0.014676
-0.003901
0.000102
0.000000
0.014860
-0.004783
0.000000
0.000000
0.014244
0.00000
0.00000
0.00000
Sayre, P.H.
Finer-Moore, J.S.
Fritz, T.A.
Biermann, D.
Gates, S.B.
MacKellar, W.C.
Patel, V.F.
Stroud, R.M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
71.67
85.72
75.11
68.138
69.633
73.958
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C20 H21 N5 O6
427.411
2-{4-[2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYLAMINO}-PENTANEDIOIC ACID
LY231514
non-polymer
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
O4 P -3
94.971
PHOSPHATE ION
non-polymer
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C9 H13 N2 O8 P
308.182
2'-DEOXYURIDINE 5'-MONOPHOSPHATE
DUMP
non-polymer
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
Y
205
N
C
Y
206
N
C
Y
207
N
C
Y
208
N
C
Y
209
N
C
Y
210
N
C
N
211
N
C
N
212
N
C
Y
213
N
C
Y
214
N
C
Y
215
N
N
Y
216
N
C
Y
217
N
C
Y
218
N
C
N
219
N
O
Y
220
N
N
Y
221
N
C
Y
222
N
N
N
223
N
N
N
224
N
C
N
225
N
O
N
226
N
N
N
227
S
C
N
228
N
C
N
229
N
C
N
230
N
C
N
231
N
O
N
232
N
O
N
233
N
C
N
234
N
O
N
235
N
O
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
N
N
258
S
C
N
259
N
C
N
260
N
O
N
261
N
C
N
262
N
C
N
263
N
C
N
264
N
C
N
265
N
N
N
266
N
O
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
N
N
283
S
C
N
284
N
C
N
285
N
O
N
286
N
C
N
287
N
C
N
288
N
S
N
289
N
C
N
290
N
O
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
N
N
303
S
C
N
304
N
C
N
305
N
O
N
306
N
C
Y
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
C
Y
311
N
C
Y
312
N
C
N
313
N
O
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
P
N
326
N
O
N
327
N
O
N
328
N
O
N
329
N
O
N
330
N
N
N
331
S
C
N
332
N
C
N
333
N
O
N
334
N
C
N
335
N
C
N
336
N
C
N
337
N
O
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
N
N
348
S
C
N
349
N
C
N
350
N
O
N
351
N
C
N
352
N
O
N
353
N
O
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
N
N
362
S
C
N
363
N
C
N
364
N
O
N
365
R
C
N
366
N
O
N
367
N
C
N
368
N
O
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
N
N
379
S
C
N
380
N
C
N
381
N
O
N
382
N
C
Y
383
N
C
Y
384
N
C
Y
385
N
C
Y
386
N
N
Y
387
N
C
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
N
392
N
O
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
N
N
406
S
C
N
407
N
C
N
408
N
O
N
409
N
C
Y
410
N
C
Y
411
N
C
Y
412
N
C
Y
413
N
C
Y
414
N
C
Y
415
N
C
N
416
N
O
N
417
N
O
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
N
N
430
N
C
N
431
N
N
N
432
N
C
N
433
N
C
N
434
N
C
N
435
N
O
N
436
N
O
N
437
R
C
N
438
N
C
N
439
S
C
N
440
R
C
N
441
N
O
N
442
N
O
N
443
N
C
N
444
N
O
N
445
N
P
N
446
N
O
N
447
N
O
N
448
N
O
N
449
N
H
N
450
N
H
N
451
N
H
N
452
N
H
N
453
N
H
N
454
N
H
N
455
N
H
N
456
N
H
N
457
N
H
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
N
N
463
S
C
N
464
N
C
N
465
N
O
N
466
N
C
N
467
N
C
N
468
N
C
N
469
N
O
N
470
N
H
N
471
N
H
N
472
N
H
N
473
N
H
N
474
N
H
N
475
N
H
N
476
N
H
N
477
N
H
N
478
N
H
N
479
N
H
N
480
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
Y
194
N
doub
Y
195
N
sing
N
196
N
sing
Y
197
N
sing
N
198
N
sing
Y
199
N
doub
N
200
N
sing
Y
201
N
sing
N
202
N
sing
Y
203
N
doub
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
Y
212
N
doub
Y
213
N
sing
Y
214
N
sing
N
215
N
sing
Y
216
N
sing
N
217
N
sing
Y
218
N
doub
Y
219
N
sing
Y
220
N
sing
N
221
N
doub
Y
222
N
sing
Y
223
N
doub
Y
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
doub
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
doub
N
243
N
sing
N
244
N
sing
N
245
N
doub
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
doub
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
doub
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
doub
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
Y
302
N
doub
Y
303
N
sing
Y
304
N
sing
N
305
N
sing
Y
306
N
doub
N
307
N
sing
Y
308
N
doub
N
309
N
sing
Y
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
doub
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
doub
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
doub
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
doub
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
Y
375
N
doub
Y
376
N
sing
Y
377
N
sing
N
378
N
sing
Y
379
N
doub
Y
380
N
sing
Y
381
N
sing
N
382
N
sing
Y
383
N
sing
Y
384
N
doub
N
385
N
sing
Y
386
N
doub
N
387
N
sing
Y
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
doub
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
Y
403
N
doub
Y
404
N
sing
Y
405
N
sing
N
406
N
sing
Y
407
N
doub
N
408
N
sing
Y
409
N
doub
N
410
N
sing
Y
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
doub
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
doub
N
425
N
doub
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
sing
N
445
N
doub
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
doub
N
457
N
sing
N
458
N
sing
N
459
N
sing
N
460
N
sing
N
461
N
sing
N
462
N
sing
N
463
N
sing
N
464
N
sing
N
465
N
sing
N
466
N
sing
N
467
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
313
813
829
10.1006/jmbi.2001.5074
11697906
Multi-targeted antifolates aimed at avoiding drug resistance form covalent closed inhibitory complexes with human and Escherichia coli thymidylate synthases.
2001
US
Biochemistry
BICHAW
0033
0006-2960
34
16279
16287
Crystal Structure of Human Thymidylate Synthase: A Structural Mechanism for Guiding Substrates into the Active Site
1995
10.2210/pdb1ju6/pdb
pdb_00001ju6
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
103.2
1
103.2
1
IMAGE PLATE
1997-09-01
RIGAKU RAXIS IV
IMAGE PLATE
1997-09-02
RIGAKU RAXIS IV
graphite
SINGLE WAVELENGTH
M
x-ray
1
graphite
SINGLE WAVELENGTH
M
x-ray
1
1.54178
1.0
1.54178
ROTATING ANODE
RIGAKU
35734.859
THYMIDYLATE SYNTHASE
2.1.1.45
R46E
4
man
polymer
94.971
PHOSPHATE ION
1
syn
non-polymer
308.182
2'-DEOXYURIDINE 5'-MONOPHOSPHATE
4
syn
non-polymer
427.411
2-{4-[2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYLAMINO}-PENTANEDIOIC ACID
4
syn
non-polymer
18.015
water
48
nat
water
TS
no
no
MPVAGSELPRRPLPPAAQERDAEPRPPHGELQYLGQIQHILRCGVEKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVF
WKGVLEELLWFIKGSTNAKELSSKGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQ
LQRVIDTIKTNPDDRRIIMCAWNPRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHI
TGLKPGDFIHTLGDAHIYLNHIEPLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
MPVAGSELPRRPLPPAAQERDAEPRPPHGELQYLGQIQHILRCGVEKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVF
WKGVLEELLWFIKGSTNAKELSSKGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQ
LQRVIDTIKTNPDDRRIIMCAWNPRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHI
TGLKPGDFIHTLGDAHIYLNHIEPLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
A,B,C,D
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
DH5a
plasmid
pGCHTS-TAA
2
2.25
45.35
VAPOR DIFFUSION, HANGING DROP
6.5
PEG-monomethyl ether 5000, sodium cacodylate, ammonium sulfate, KCL, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
296
database_2
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Data collection
Refinement description
1
0
2001-09-19
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2024-04-03
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
E. coli TS bound to dUMP and LY341770,
a pyrrolo(23-d)pyrimidine-based antifolate
E. coli TS bound to dUMP and LY338913,
a polyglutamylated pyrrolo(2,3-d)pyrimidine-based antifolate
human thymidylate synthase bound to dUMP and LY231514,
a pyrrolo(2,3-d)pyrimidine-based antifolate
E. coli thymidylate synthase bound to dUMP and LY338529,
a pyrrolo(2,3-d)pyrimidine-based antifolate
RCSB
Y
RCSB
2001-08-23
REL
REL
PO4
PHOSPHATE ION
UMP
2'-DEOXYURIDINE 5'-MONOPHOSPHATE
LYA
2-{4-[2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYLAMINO}-PENTANEDIOIC ACID
HOH
water
thymidylate synthase portion of the Leishmania major DHFR-TS bifunctional enzyme
Other
experimental model
PO4
316
2
PO4
PO4
316
A
DUM
314
3
UMP
UMP
314
A
LYA
315
4
LYA
LYA
317
A
DUM
314
3
UMP
UMP
314
B
LYA
315
4
LYA
LYA
315
B
DUM
314
3
UMP
UMP
314
C
LYA
315
4
LYA
LYA
315
C
DUM
314
3
UMP
UMP
314
D
LYA
315
4
LYA
LYA
315
D
WAT
318
5
HOH
HOH
401
A
WAT
319
5
HOH
HOH
402
A
WAT
320
5
HOH
HOH
403
A
WAT
321
5
HOH
HOH
404
A
WAT
322
5
HOH
HOH
405
A
WAT
324
5
HOH
HOH
406
A
WAT
325
5
HOH
HOH
407
A
WAT
326
5
HOH
HOH
408
A
WAT
328
5
HOH
HOH
409
A
WAT
329
5
HOH
HOH
410
A
WAT
330
5
HOH
HOH
411
A
WAT
331
5
HOH
HOH
412
A
WAT
318
5
HOH
HOH
413
B
WAT
319
5
HOH
HOH
414
B
WAT
320
5
HOH
HOH
415
B
WAT
321
5
HOH
HOH
416
B
WAT
322
5
HOH
HOH
417
B
WAT
324
5
HOH
HOH
418
B
WAT
325
5
HOH
HOH
419
B
WAT
326
5
HOH
HOH
420
B
WAT
328
5
HOH
HOH
421
B
WAT
329
5
HOH
HOH
422
B
WAT
330
5
HOH
HOH
423
B
WAT
331
5
HOH
HOH
424
B
WAT
318
5
HOH
HOH
425
C
WAT
319
5
HOH
HOH
426
C
WAT
320
5
HOH
HOH
427
C
WAT
321
5
HOH
HOH
428
C
WAT
322
5
HOH
HOH
429
C
WAT
324
5
HOH
HOH
430
C
WAT
325
5
HOH
HOH
431
C
WAT
326
5
HOH
HOH
432
C
WAT
328
5
HOH
HOH
433
C
WAT
329
5
HOH
HOH
434
C
WAT
330
5
HOH
HOH
435
C
WAT
331
5
HOH
HOH
436
C
WAT
321
5
HOH
HOH
440
C
WAT
318
5
HOH
HOH
437
D
WAT
319
5
HOH
HOH
438
D
WAT
320
5
HOH
HOH
439
D
WAT
322
5
HOH
HOH
441
D
WAT
324
5
HOH
HOH
442
D
WAT
325
5
HOH
HOH
443
D
WAT
326
5
HOH
HOH
444
D
WAT
328
5
HOH
HOH
445
D
WAT
329
5
HOH
HOH
446
D
WAT
330
5
HOH
HOH
447
D
WAT
331
5
HOH
HOH
448
D
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
n
10
10
A
n
11
11
A
n
12
12
A
n
13
13
A
n
14
14
A
n
15
15
A
n
16
16
A
n
17
17
A
n
18
18
A
n
19
19
A
n
20
20
A
n
21
21
A
n
22
22
A
n
23
23
A
n
24
24
A
n
25
25
A
n
26
26
A
n
27
27
A
HIS
28
n
28
HIS
28
A
GLY
29
n
29
GLY
29
A
GLU
30
n
30
GLU
30
A
LEU
31
n
31
LEU
31
A
GLN
32
n
32
GLN
32
A
TYR
33
n
33
TYR
33
A
LEU
34
n
34
LEU
34
A
GLY
35
n
35
GLY
35
A
GLN
36
n
36
GLN
36
A
ILE
37
n
37
ILE
37
A
GLN
38
n
38
GLN
38
A
HIS
39
n
39
HIS
39
A
ILE
40
n
40
ILE
40
A
LEU
41
n
41
LEU
41
A
ARG
42
n
42
ARG
42
A
CYS
43
n
43
CYS
43
A
GLY
44
n
44
GLY
44
A
VAL
45
n
45
VAL
45
A
GLU
46
n
46
GLU
46
A
LYS
47
n
47
LYS
47
A
ASP
48
n
48
ASP
48
A
ASP
49
n
49
ASP
49
A
ARG
50
n
50
ARG
50
A
THR
51
n
51
THR
51
A
GLY
52
n
52
GLY
52
A
THR
53
n
53
THR
53
A
GLY
54
n
54
GLY
54
A
THR
55
n
55
THR
55
A
LEU
56
n
56
LEU
56
A
SER
57
n
57
SER
57
A
VAL
58
n
58
VAL
58
A
PHE
59
n
59
PHE
59
A
GLY
60
n
60
GLY
60
A
MET
61
n
61
MET
61
A
GLN
62
n
62
GLN
62
A
ALA
63
n
63
ALA
63
A
ARG
64
n
64
ARG
64
A
TYR
65
n
65
TYR
65
A
SER
66
n
66
SER
66
A
LEU
67
n
67
LEU
67
A
ARG
68
n
68
ARG
68
A
ASP
69
n
69
ASP
69
A
GLU
70
n
70
GLU
70
A
PHE
71
n
71
PHE
71
A
PRO
72
n
72
PRO
72
A
LEU
73
n
73
LEU
73
A
LEU
74
n
74
LEU
74
A
THR
75
n
75
THR
75
A
THR
76
n
76
THR
76
A
LYS
77
n
77
LYS
77
A
ARG
78
n
78
ARG
78
A
VAL
79
n
79
VAL
79
A
PHE
80
n
80
PHE
80
A
TRP
81
n
81
TRP
81
A
LYS
82
n
82
LYS
82
A
GLY
83
n
83
GLY
83
A
VAL
84
n
84
VAL
84
A
LEU
85
n
85
LEU
85
A
GLU
86
n
86
GLU
86
A
GLU
87
n
87
GLU
87
A
LEU
88
n
88
LEU
88
A
LEU
89
n
89
LEU
89
A
TRP
90
n
90
TRP
90
A
PHE
91
n
91
PHE
91
A
ILE
92
n
92
ILE
92
A
LYS
93
n
93
LYS
93
A
GLY
94
n
94
GLY
94
A
SER
95
n
95
SER
95
A
THR
96
n
96
THR
96
A
ASN
97
n
97
ASN
97
A
ALA
98
n
98
ALA
98
A
LYS
99
n
99
LYS
99
A
GLU
100
n
100
GLU
100
A
LEU
101
n
101
LEU
101
A
SER
102
n
102
SER
102
A
SER
103
n
103
SER
103
A
LYS
104
n
104
LYS
104
A
GLY
105
n
105
GLY
105
A
VAL
106
n
106
VAL
106
A
LYS
107
n
107
LYS
107
A
ILE
108
n
108
ILE
108
A
TRP
109
n
109
TRP
109
A
ASP
110
n
110
ASP
110
A
ALA
111
n
111
ALA
111
A
ASN
112
n
112
ASN
112
A
GLY
113
n
113
GLY
113
A
SER
114
n
114
SER
114
A
ARG
115
n
115
ARG
115
A
ASP
116
n
116
ASP
116
A
PHE
117
n
117
PHE
117
A
LEU
118
n
118
LEU
118
A
ASP
119
n
119
ASP
119
A
SER
120
n
120
SER
120
A
LEU
121
n
121
LEU
121
A
GLY
122
n
122
GLY
122
A
PHE
123
n
123
PHE
123
A
SER
124
n
124
SER
124
A
THR
125
n
125
THR
125
A
ARG
126
n
126
ARG
126
A
GLU
127
n
127
GLU
127
A
GLU
128
n
128
GLU
128
A
GLY
129
n
129
GLY
129
A
ASP
130
n
130
ASP
130
A
LEU
131
n
131
LEU
131
A
GLY
132
n
132
GLY
132
A
PRO
133
n
133
PRO
133
A
VAL
134
n
134
VAL
134
A
TYR
135
n
135
TYR
135
A
GLY
136
n
136
GLY
136
A
PHE
137
n
137
PHE
137
A
GLN
138
n
138
GLN
138
A
TRP
139
n
139
TRP
139
A
ARG
140
n
140
ARG
140
A
HIS
141
n
141
HIS
141
A
PHE
142
n
142
PHE
142
A
GLY
143
n
143
GLY
143
A
ALA
144
n
144
ALA
144
A
GLU
145
n
145
GLU
145
A
TYR
146
n
146
TYR
146
A
ARG
147
n
147
ARG
147
A
ASP
148
n
148
ASP
148
A
MET
149
n
149
MET
149
A
GLU
150
n
150
GLU
150
A
SER
151
n
151
SER
151
A
ASP
152
n
152
ASP
152
A
TYR
153
n
153
TYR
153
A
SER
154
n
154
SER
154
A
GLY
155
n
155
GLY
155
A
GLN
156
n
156
GLN
156
A
GLY
157
n
157
GLY
157
A
VAL
158
n
158
VAL
158
A
ASP
159
n
159
ASP
159
A
GLN
160
n
160
GLN
160
A
LEU
161
n
161
LEU
161
A
GLN
162
n
162
GLN
162
A
ARG
163
n
163
ARG
163
A
VAL
164
n
164
VAL
164
A
ILE
165
n
165
ILE
165
A
ASP
166
n
166
ASP
166
A
THR
167
n
167
THR
167
A
ILE
168
n
168
ILE
168
A
LYS
169
n
169
LYS
169
A
THR
170
n
170
THR
170
A
ASN
171
n
171
ASN
171
A
PRO
172
n
172
PRO
172
A
ASP
173
n
173
ASP
173
A
ASP
174
n
174
ASP
174
A
ARG
175
n
175
ARG
175
A
ARG
176
n
176
ARG
176
A
ILE
177
n
177
ILE
177
A
ILE
178
n
178
ILE
178
A
MET
179
n
179
MET
179
A
CYS
180
n
180
CYS
180
A
ALA
181
n
181
ALA
181
A
TRP
182
n
182
TRP
182
A
ASN
183
n
183
ASN
183
A
PRO
184
n
184
PRO
184
A
ARG
185
n
185
ARG
185
A
ASP
186
n
186
ASP
186
A
LEU
187
n
187
LEU
187
A
PRO
188
n
188
PRO
188
A
LEU
189
n
189
LEU
189
A
MET
190
n
190
MET
190
A
ALA
191
n
191
ALA
191
A
LEU
192
n
192
LEU
192
A
PRO
193
n
193
PRO
193
A
PRO
194
n
194
PRO
194
A
CYS
195
n
195
CYS
195
A
HIS
196
n
196
HIS
196
A
ALA
197
n
197
ALA
197
A
LEU
198
n
198
LEU
198
A
CYS
199
n
199
CYS
199
A
GLN
200
n
200
GLN
200
A
PHE
201
n
201
PHE
201
A
TYR
202
n
202
TYR
202
A
VAL
203
n
203
VAL
203
A
VAL
204
n
204
VAL
204
A
ASN
205
n
205
ASN
205
A
SER
206
n
206
SER
206
A
GLU
207
n
207
GLU
207
A
LEU
208
n
208
LEU
208
A
SER
209
n
209
SER
209
A
CYS
210
n
210
CYS
210
A
GLN
211
n
211
GLN
211
A
LEU
212
n
212
LEU
212
A
TYR
213
n
213
TYR
213
A
GLN
214
n
214
GLN
214
A
ARG
215
n
215
ARG
215
A
SER
216
n
216
SER
216
A
GLY
217
n
217
GLY
217
A
ASP
218
n
218
ASP
218
A
MET
219
n
219
MET
219
A
GLY
220
n
220
GLY
220
A
LEU
221
n
221
LEU
221
A
GLY
222
n
222
GLY
222
A
VAL
223
n
223
VAL
223
A
PRO
224
n
224
PRO
224
A
PHE
225
n
225
PHE
225
A
ASN
226
n
226
ASN
226
A
ILE
227
n
227
ILE
227
A
ALA
228
n
228
ALA
228
A
SER
229
n
229
SER
229
A
TYR
230
n
230
TYR
230
A
ALA
231
n
231
ALA
231
A
LEU
232
n
232
LEU
232
A
LEU
233
n
233
LEU
233
A
THR
234
n
234
THR
234
A
TYR
235
n
235
TYR
235
A
MET
236
n
236
MET
236
A
ILE
237
n
237
ILE
237
A
ALA
238
n
238
ALA
238
A
HIS
239
n
239
HIS
239
A
ILE
240
n
240
ILE
240
A
THR
241
n
241
THR
241
A
GLY
242
n
242
GLY
242
A
LEU
243
n
243
LEU
243
A
LYS
244
n
244
LYS
244
A
PRO
245
n
245
PRO
245
A
GLY
246
n
246
GLY
246
A
ASP
247
n
247
ASP
247
A
PHE
248
n
248
PHE
248
A
ILE
249
n
249
ILE
249
A
HIS
250
n
250
HIS
250
A
THR
251
n
251
THR
251
A
LEU
252
n
252
LEU
252
A
GLY
253
n
253
GLY
253
A
ASP
254
n
254
ASP
254
A
ALA
255
n
255
ALA
255
A
HIS
256
n
256
HIS
256
A
ILE
257
n
257
ILE
257
A
TYR
258
n
258
TYR
258
A
LEU
259
n
259
LEU
259
A
ASN
260
n
260
ASN
260
A
HIS
261
n
261
HIS
261
A
ILE
262
n
262
ILE
262
A
GLU
263
n
263
GLU
263
A
PRO
264
n
264
PRO
264
A
LEU
265
n
265
LEU
265
A
LYS
266
n
266
LYS
266
A
ILE
267
n
267
ILE
267
A
GLN
268
n
268
GLN
268
A
LEU
269
n
269
LEU
269
A
GLN
270
n
270
GLN
270
A
ARG
271
n
271
ARG
271
A
GLU
272
n
272
GLU
272
A
PRO
273
n
273
PRO
273
A
ARG
274
n
274
ARG
274
A
PRO
275
n
275
PRO
275
A
PHE
276
n
276
PHE
276
A
PRO
277
n
277
PRO
277
A
LYS
278
n
278
LYS
278
A
LEU
279
n
279
LEU
279
A
ARG
280
n
280
ARG
280
A
ILE
281
n
281
ILE
281
A
LEU
282
n
282
LEU
282
A
ARG
283
n
283
ARG
283
A
LYS
284
n
284
LYS
284
A
VAL
285
n
285
VAL
285
A
GLU
286
n
286
GLU
286
A
LYS
287
n
287
LYS
287
A
ILE
288
n
288
ILE
288
A
ASP
289
n
289
ASP
289
A
ASP
290
n
290
ASP
290
A
PHE
291
n
291
PHE
291
A
LYS
292
n
292
LYS
292
A
ALA
293
n
293
ALA
293
A
GLU
294
n
294
GLU
294
A
ASP
295
n
295
ASP
295
A
PHE
296
n
296
PHE
296
A
GLN
297
n
297
GLN
297
A
ILE
298
n
298
ILE
298
A
GLU
299
n
299
GLU
299
A
GLY
300
n
300
GLY
300
A
TYR
301
n
301
TYR
301
A
ASN
302
n
302
ASN
302
A
PRO
303
n
303
PRO
303
A
HIS
304
n
304
HIS
304
A
PRO
305
n
305
PRO
305
A
THR
306
n
306
THR
306
A
ILE
307
n
307
ILE
307
A
LYS
308
n
308
LYS
308
A
MET
309
n
309
MET
309
A
GLU
310
n
310
GLU
310
A
MET
311
n
311
MET
311
A
ALA
312
n
312
ALA
312
A
VAL
313
n
313
VAL
313
A
n
1
1
B
n
2
2
B
n
3
3
B
n
4
4
B
n
5
5
B
n
6
6
B
n
7
7
B
n
8
8
B
n
9
9
B
n
10
10
B
n
11
11
B
n
12
12
B
n
13
13
B
n
14
14
B
n
15
15
B
n
16
16
B
n
17
17
B
n
18
18
B
n
19
19
B
n
20
20
B
n
21
21
B
n
22
22
B
n
23
23
B
n
24
24
B
n
25
25
B
n
26
26
B
n
27
27
B
HIS
28
n
28
HIS
28
B
GLY
29
n
29
GLY
29
B
GLU
30
n
30
GLU
30
B
LEU
31
n
31
LEU
31
B
GLN
32
n
32
GLN
32
B
TYR
33
n
33
TYR
33
B
LEU
34
n
34
LEU
34
B
GLY
35
n
35
GLY
35
B
GLN
36
n
36
GLN
36
B
ILE
37
n
37
ILE
37
B
GLN
38
n
38
GLN
38
B
HIS
39
n
39
HIS
39
B
ILE
40
n
40
ILE
40
B
LEU
41
n
41
LEU
41
B
ARG
42
n
42
ARG
42
B
CYS
43
n
43
CYS
43
B
GLY
44
n
44
GLY
44
B
VAL
45
n
45
VAL
45
B
GLU
46
n
46
GLU
46
B
LYS
47
n
47
LYS
47
B
ASP
48
n
48
ASP
48
B
ASP
49
n
49
ASP
49
B
ARG
50
n
50
ARG
50
B
THR
51
n
51
THR
51
B
GLY
52
n
52
GLY
52
B
THR
53
n
53
THR
53
B
GLY
54
n
54
GLY
54
B
THR
55
n
55
THR
55
B
LEU
56
n
56
LEU
56
B
SER
57
n
57
SER
57
B
VAL
58
n
58
VAL
58
B
PHE
59
n
59
PHE
59
B
GLY
60
n
60
GLY
60
B
MET
61
n
61
MET
61
B
GLN
62
n
62
GLN
62
B
ALA
63
n
63
ALA
63
B
ARG
64
n
64
ARG
64
B
TYR
65
n
65
TYR
65
B
SER
66
n
66
SER
66
B
LEU
67
n
67
LEU
67
B
ARG
68
n
68
ARG
68
B
ASP
69
n
69
ASP
69
B
GLU
70
n
70
GLU
70
B
PHE
71
n
71
PHE
71
B
PRO
72
n
72
PRO
72
B
LEU
73
n
73
LEU
73
B
LEU
74
n
74
LEU
74
B
THR
75
n
75
THR
75
B
THR
76
n
76
THR
76
B
LYS
77
n
77
LYS
77
B
ARG
78
n
78
ARG
78
B
VAL
79
n
79
VAL
79
B
PHE
80
n
80
PHE
80
B
TRP
81
n
81
TRP
81
B
LYS
82
n
82
LYS
82
B
GLY
83
n
83
GLY
83
B
VAL
84
n
84
VAL
84
B
LEU
85
n
85
LEU
85
B
GLU
86
n
86
GLU
86
B
GLU
87
n
87
GLU
87
B
LEU
88
n
88
LEU
88
B
LEU
89
n
89
LEU
89
B
TRP
90
n
90
TRP
90
B
PHE
91
n
91
PHE
91
B
ILE
92
n
92
ILE
92
B
LYS
93
n
93
LYS
93
B
GLY
94
n
94
GLY
94
B
SER
95
n
95
SER
95
B
THR
96
n
96
THR
96
B
ASN
97
n
97
ASN
97
B
ALA
98
n
98
ALA
98
B
LYS
99
n
99
LYS
99
B
GLU
100
n
100
GLU
100
B
LEU
101
n
101
LEU
101
B
SER
102
n
102
SER
102
B
SER
103
n
103
SER
103
B
LYS
104
n
104
LYS
104
B
GLY
105
n
105
GLY
105
B
VAL
106
n
106
VAL
106
B
LYS
107
n
107
LYS
107
B
ILE
108
n
108
ILE
108
B
TRP
109
n
109
TRP
109
B
ASP
110
n
110
ASP
110
B
ALA
111
n
111
ALA
111
B
ASN
112
n
112
ASN
112
B
GLY
113
n
113
GLY
113
B
SER
114
n
114
SER
114
B
ARG
115
n
115
ARG
115
B
ASP
116
n
116
ASP
116
B
PHE
117
n
117
PHE
117
B
LEU
118
n
118
LEU
118
B
ASP
119
n
119
ASP
119
B
SER
120
n
120
SER
120
B
LEU
121
n
121
LEU
121
B
GLY
122
n
122
GLY
122
B
PHE
123
n
123
PHE
123
B
SER
124
n
124
SER
124
B
THR
125
n
125
THR
125
B
ARG
126
n
126
ARG
126
B
GLU
127
n
127
GLU
127
B
GLU
128
n
128
GLU
128
B
GLY
129
n
129
GLY
129
B
ASP
130
n
130
ASP
130
B
LEU
131
n
131
LEU
131
B
GLY
132
n
132
GLY
132
B
PRO
133
n
133
PRO
133
B
VAL
134
n
134
VAL
134
B
TYR
135
n
135
TYR
135
B
GLY
136
n
136
GLY
136
B
PHE
137
n
137
PHE
137
B
GLN
138
n
138
GLN
138
B
TRP
139
n
139
TRP
139
B
ARG
140
n
140
ARG
140
B
HIS
141
n
141
HIS
141
B
PHE
142
n
142
PHE
142
B
GLY
143
n
143
GLY
143
B
ALA
144
n
144
ALA
144
B
GLU
145
n
145
GLU
145
B
TYR
146
n
146
TYR
146
B
ARG
147
n
147
ARG
147
B
ASP
148
n
148
ASP
148
B
MET
149
n
149
MET
149
B
GLU
150
n
150
GLU
150
B
SER
151
n
151
SER
151
B
ASP
152
n
152
ASP
152
B
TYR
153
n
153
TYR
153
B
SER
154
n
154
SER
154
B
GLY
155
n
155
GLY
155
B
GLN
156
n
156
GLN
156
B
GLY
157
n
157
GLY
157
B
VAL
158
n
158
VAL
158
B
ASP
159
n
159
ASP
159
B
GLN
160
n
160
GLN
160
B
LEU
161
n
161
LEU
161
B
GLN
162
n
162
GLN
162
B
ARG
163
n
163
ARG
163
B
VAL
164
n
164
VAL
164
B
ILE
165
n
165
ILE
165
B
ASP
166
n
166
ASP
166
B
THR
167
n
167
THR
167
B
ILE
168
n
168
ILE
168
B
LYS
169
n
169
LYS
169
B
THR
170
n
170
THR
170
B
ASN
171
n
171
ASN
171
B
PRO
172
n
172
PRO
172
B
ASP
173
n
173
ASP
173
B
ASP
174
n
174
ASP
174
B
ARG
175
n
175
ARG
175
B
ARG
176
n
176
ARG
176
B
ILE
177
n
177
ILE
177
B
ILE
178
n
178
ILE
178
B
MET
179
n
179
MET
179
B
CYS
180
n
180
CYS
180
B
ALA
181
n
181
ALA
181
B
TRP
182
n
182
TRP
182
B
ASN
183
n
183
ASN
183
B
PRO
184
n
184
PRO
184
B
ARG
185
n
185
ARG
185
B
ASP
186
n
186
ASP
186
B
LEU
187
n
187
LEU
187
B
PRO
188
n
188
PRO
188
B
LEU
189
n
189
LEU
189
B
MET
190
n
190
MET
190
B
ALA
191
n
191
ALA
191
B
LEU
192
n
192
LEU
192
B
PRO
193
n
193
PRO
193
B
PRO
194
n
194
PRO
194
B
CYS
195
n
195
CYS
195
B
HIS
196
n
196
HIS
196
B
ALA
197
n
197
ALA
197
B
LEU
198
n
198
LEU
198
B
CYS
199
n
199
CYS
199
B
GLN
200
n
200
GLN
200
B
PHE
201
n
201
PHE
201
B
TYR
202
n
202
TYR
202
B
VAL
203
n
203
VAL
203
B
VAL
204
n
204
VAL
204
B
ASN
205
n
205
ASN
205
B
SER
206
n
206
SER
206
B
GLU
207
n
207
GLU
207
B
LEU
208
n
208
LEU
208
B
SER
209
n
209
SER
209
B
CYS
210
n
210
CYS
210
B
GLN
211
n
211
GLN
211
B
LEU
212
n
212
LEU
212
B
TYR
213
n
213
TYR
213
B
GLN
214
n
214
GLN
214
B
ARG
215
n
215
ARG
215
B
SER
216
n
216
SER
216
B
GLY
217
n
217
GLY
217
B
ASP
218
n
218
ASP
218
B
MET
219
n
219
MET
219
B
GLY
220
n
220
GLY
220
B
LEU
221
n
221
LEU
221
B
GLY
222
n
222
GLY
222
B
VAL
223
n
223
VAL
223
B
PRO
224
n
224
PRO
224
B
PHE
225
n
225
PHE
225
B
ASN
226
n
226
ASN
226
B
ILE
227
n
227
ILE
227
B
ALA
228
n
228
ALA
228
B
SER
229
n
229
SER
229
B
TYR
230
n
230
TYR
230
B
ALA
231
n
231
ALA
231
B
LEU
232
n
232
LEU
232
B
LEU
233
n
233
LEU
233
B
THR
234
n
234
THR
234
B
TYR
235
n
235
TYR
235
B
MET
236
n
236
MET
236
B
ILE
237
n
237
ILE
237
B
ALA
238
n
238
ALA
238
B
HIS
239
n
239
HIS
239
B
ILE
240
n
240
ILE
240
B
THR
241
n
241
THR
241
B
GLY
242
n
242
GLY
242
B
LEU
243
n
243
LEU
243
B
LYS
244
n
244
LYS
244
B
PRO
245
n
245
PRO
245
B
GLY
246
n
246
GLY
246
B
ASP
247
n
247
ASP
247
B
PHE
248
n
248
PHE
248
B
ILE
249
n
249
ILE
249
B
HIS
250
n
250
HIS
250
B
THR
251
n
251
THR
251
B
LEU
252
n
252
LEU
252
B
GLY
253
n
253
GLY
253
B
ASP
254
n
254
ASP
254
B
ALA
255
n
255
ALA
255
B
HIS
256
n
256
HIS
256
B
ILE
257
n
257
ILE
257
B
TYR
258
n
258
TYR
258
B
LEU
259
n
259
LEU
259
B
ASN
260
n
260
ASN
260
B
HIS
261
n
261
HIS
261
B
ILE
262
n
262
ILE
262
B
GLU
263
n
263
GLU
263
B
PRO
264
n
264
PRO
264
B
LEU
265
n
265
LEU
265
B
LYS
266
n
266
LYS
266
B
ILE
267
n
267
ILE
267
B
GLN
268
n
268
GLN
268
B
LEU
269
n
269
LEU
269
B
GLN
270
n
270
GLN
270
B
ARG
271
n
271
ARG
271
B
GLU
272
n
272
GLU
272
B
PRO
273
n
273
PRO
273
B
ARG
274
n
274
ARG
274
B
PRO
275
n
275
PRO
275
B
PHE
276
n
276
PHE
276
B
PRO
277
n
277
PRO
277
B
LYS
278
n
278
LYS
278
B
LEU
279
n
279
LEU
279
B
ARG
280
n
280
ARG
280
B
ILE
281
n
281
ILE
281
B
LEU
282
n
282
LEU
282
B
ARG
283
n
283
ARG
283
B
LYS
284
n
284
LYS
284
B
VAL
285
n
285
VAL
285
B
GLU
286
n
286
GLU
286
B
LYS
287
n
287
LYS
287
B
ILE
288
n
288
ILE
288
B
ASP
289
n
289
ASP
289
B
ASP
290
n
290
ASP
290
B
PHE
291
n
291
PHE
291
B
LYS
292
n
292
LYS
292
B
ALA
293
n
293
ALA
293
B
GLU
294
n
294
GLU
294
B
ASP
295
n
295
ASP
295
B
PHE
296
n
296
PHE
296
B
GLN
297
n
297
GLN
297
B
ILE
298
n
298
ILE
298
B
GLU
299
n
299
GLU
299
B
GLY
300
n
300
GLY
300
B
TYR
301
n
301
TYR
301
B
ASN
302
n
302
ASN
302
B
PRO
303
n
303
PRO
303
B
HIS
304
n
304
HIS
304
B
PRO
305
n
305
PRO
305
B
THR
306
n
306
THR
306
B
ILE
307
n
307
ILE
307
B
LYS
308
n
308
LYS
308
B
MET
309
n
309
MET
309
B
GLU
310
n
310
GLU
310
B
MET
311
n
311
MET
311
B
ALA
312
n
312
ALA
312
B
VAL
313
n
313
VAL
313
B
n
1
1
C
n
2
2
C
n
3
3
C
n
4
4
C
n
5
5
C
n
6
6
C
n
7
7
C
n
8
8
C
n
9
9
C
n
10
10
C
n
11
11
C
n
12
12
C
n
13
13
C
n
14
14
C
n
15
15
C
n
16
16
C
n
17
17
C
n
18
18
C
n
19
19
C
n
20
20
C
n
21
21
C
n
22
22
C
n
23
23
C
n
24
24
C
n
25
25
C
n
26
26
C
n
27
27
C
HIS
28
n
28
HIS
28
C
GLY
29
n
29
GLY
29
C
GLU
30
n
30
GLU
30
C
LEU
31
n
31
LEU
31
C
GLN
32
n
32
GLN
32
C
TYR
33
n
33
TYR
33
C
LEU
34
n
34
LEU
34
C
GLY
35
n
35
GLY
35
C
GLN
36
n
36
GLN
36
C
ILE
37
n
37
ILE
37
C
GLN
38
n
38
GLN
38
C
HIS
39
n
39
HIS
39
C
ILE
40
n
40
ILE
40
C
LEU
41
n
41
LEU
41
C
ARG
42
n
42
ARG
42
C
CYS
43
n
43
CYS
43
C
GLY
44
n
44
GLY
44
C
VAL
45
n
45
VAL
45
C
GLU
46
n
46
GLU
46
C
LYS
47
n
47
LYS
47
C
ASP
48
n
48
ASP
48
C
ASP
49
n
49
ASP
49
C
ARG
50
n
50
ARG
50
C
THR
51
n
51
THR
51
C
GLY
52
n
52
GLY
52
C
THR
53
n
53
THR
53
C
GLY
54
n
54
GLY
54
C
THR
55
n
55
THR
55
C
LEU
56
n
56
LEU
56
C
SER
57
n
57
SER
57
C
VAL
58
n
58
VAL
58
C
PHE
59
n
59
PHE
59
C
GLY
60
n
60
GLY
60
C
MET
61
n
61
MET
61
C
GLN
62
n
62
GLN
62
C
ALA
63
n
63
ALA
63
C
ARG
64
n
64
ARG
64
C
TYR
65
n
65
TYR
65
C
SER
66
n
66
SER
66
C
LEU
67
n
67
LEU
67
C
ARG
68
n
68
ARG
68
C
ASP
69
n
69
ASP
69
C
GLU
70
n
70
GLU
70
C
PHE
71
n
71
PHE
71
C
PRO
72
n
72
PRO
72
C
LEU
73
n
73
LEU
73
C
LEU
74
n
74
LEU
74
C
THR
75
n
75
THR
75
C
THR
76
n
76
THR
76
C
LYS
77
n
77
LYS
77
C
ARG
78
n
78
ARG
78
C
VAL
79
n
79
VAL
79
C
PHE
80
n
80
PHE
80
C
TRP
81
n
81
TRP
81
C
LYS
82
n
82
LYS
82
C
GLY
83
n
83
GLY
83
C
VAL
84
n
84
VAL
84
C
LEU
85
n
85
LEU
85
C
GLU
86
n
86
GLU
86
C
GLU
87
n
87
GLU
87
C
LEU
88
n
88
LEU
88
C
LEU
89
n
89
LEU
89
C
TRP
90
n
90
TRP
90
C
PHE
91
n
91
PHE
91
C
ILE
92
n
92
ILE
92
C
LYS
93
n
93
LYS
93
C
GLY
94
n
94
GLY
94
C
SER
95
n
95
SER
95
C
THR
96
n
96
THR
96
C
ASN
97
n
97
ASN
97
C
ALA
98
n
98
ALA
98
C
LYS
99
n
99
LYS
99
C
GLU
100
n
100
GLU
100
C
LEU
101
n
101
LEU
101
C
SER
102
n
102
SER
102
C
SER
103
n
103
SER
103
C
LYS
104
n
104
LYS
104
C
GLY
105
n
105
GLY
105
C
VAL
106
n
106
VAL
106
C
LYS
107
n
107
LYS
107
C
ILE
108
n
108
ILE
108
C
TRP
109
n
109
TRP
109
C
ASP
110
n
110
ASP
110
C
ALA
111
n
111
ALA
111
C
ASN
112
n
112
ASN
112
C
GLY
113
n
113
GLY
113
C
SER
114
n
114
SER
114
C
ARG
115
n
115
ARG
115
C
ASP
116
n
116
ASP
116
C
PHE
117
n
117
PHE
117
C
LEU
118
n
118
LEU
118
C
ASP
119
n
119
ASP
119
C
SER
120
n
120
SER
120
C
LEU
121
n
121
LEU
121
C
GLY
122
n
122
GLY
122
C
PHE
123
n
123
PHE
123
C
SER
124
n
124
SER
124
C
THR
125
n
125
THR
125
C
ARG
126
n
126
ARG
126
C
GLU
127
n
127
GLU
127
C
GLU
128
n
128
GLU
128
C
GLY
129
n
129
GLY
129
C
ASP
130
n
130
ASP
130
C
LEU
131
n
131
LEU
131
C
GLY
132
n
132
GLY
132
C
PRO
133
n
133
PRO
133
C
VAL
134
n
134
VAL
134
C
TYR
135
n
135
TYR
135
C
GLY
136
n
136
GLY
136
C
PHE
137
n
137
PHE
137
C
GLN
138
n
138
GLN
138
C
TRP
139
n
139
TRP
139
C
ARG
140
n
140
ARG
140
C
HIS
141
n
141
HIS
141
C
PHE
142
n
142
PHE
142
C
GLY
143
n
143
GLY
143
C
ALA
144
n
144
ALA
144
C
GLU
145
n
145
GLU
145
C
TYR
146
n
146
TYR
146
C
ARG
147
n
147
ARG
147
C
ASP
148
n
148
ASP
148
C
MET
149
n
149
MET
149
C
GLU
150
n
150
GLU
150
C
SER
151
n
151
SER
151
C
ASP
152
n
152
ASP
152
C
TYR
153
n
153
TYR
153
C
SER
154
n
154
SER
154
C
GLY
155
n
155
GLY
155
C
GLN
156
n
156
GLN
156
C
GLY
157
n
157
GLY
157
C
VAL
158
n
158
VAL
158
C
ASP
159
n
159
ASP
159
C
GLN
160
n
160
GLN
160
C
LEU
161
n
161
LEU
161
C
GLN
162
n
162
GLN
162
C
ARG
163
n
163
ARG
163
C
VAL
164
n
164
VAL
164
C
ILE
165
n
165
ILE
165
C
ASP
166
n
166
ASP
166
C
THR
167
n
167
THR
167
C
ILE
168
n
168
ILE
168
C
LYS
169
n
169
LYS
169
C
THR
170
n
170
THR
170
C
ASN
171
n
171
ASN
171
C
PRO
172
n
172
PRO
172
C
ASP
173
n
173
ASP
173
C
ASP
174
n
174
ASP
174
C
ARG
175
n
175
ARG
175
C
ARG
176
n
176
ARG
176
C
ILE
177
n
177
ILE
177
C
ILE
178
n
178
ILE
178
C
MET
179
n
179
MET
179
C
CYS
180
n
180
CYS
180
C
ALA
181
n
181
ALA
181
C
TRP
182
n
182
TRP
182
C
ASN
183
n
183
ASN
183
C
PRO
184
n
184
PRO
184
C
ARG
185
n
185
ARG
185
C
ASP
186
n
186
ASP
186
C
LEU
187
n
187
LEU
187
C
PRO
188
n
188
PRO
188
C
LEU
189
n
189
LEU
189
C
MET
190
n
190
MET
190
C
ALA
191
n
191
ALA
191
C
LEU
192
n
192
LEU
192
C
PRO
193
n
193
PRO
193
C
PRO
194
n
194
PRO
194
C
CYS
195
n
195
CYS
195
C
HIS
196
n
196
HIS
196
C
ALA
197
n
197
ALA
197
C
LEU
198
n
198
LEU
198
C
CYS
199
n
199
CYS
199
C
GLN
200
n
200
GLN
200
C
PHE
201
n
201
PHE
201
C
TYR
202
n
202
TYR
202
C
VAL
203
n
203
VAL
203
C
VAL
204
n
204
VAL
204
C
ASN
205
n
205
ASN
205
C
SER
206
n
206
SER
206
C
GLU
207
n
207
GLU
207
C
LEU
208
n
208
LEU
208
C
SER
209
n
209
SER
209
C
CYS
210
n
210
CYS
210
C
GLN
211
n
211
GLN
211
C
LEU
212
n
212
LEU
212
C
TYR
213
n
213
TYR
213
C
GLN
214
n
214
GLN
214
C
ARG
215
n
215
ARG
215
C
SER
216
n
216
SER
216
C
GLY
217
n
217
GLY
217
C
ASP
218
n
218
ASP
218
C
MET
219
n
219
MET
219
C
GLY
220
n
220
GLY
220
C
LEU
221
n
221
LEU
221
C
GLY
222
n
222
GLY
222
C
VAL
223
n
223
VAL
223
C
PRO
224
n
224
PRO
224
C
PHE
225
n
225
PHE
225
C
ASN
226
n
226
ASN
226
C
ILE
227
n
227
ILE
227
C
ALA
228
n
228
ALA
228
C
SER
229
n
229
SER
229
C
TYR
230
n
230
TYR
230
C
ALA
231
n
231
ALA
231
C
LEU
232
n
232
LEU
232
C
LEU
233
n
233
LEU
233
C
THR
234
n
234
THR
234
C
TYR
235
n
235
TYR
235
C
MET
236
n
236
MET
236
C
ILE
237
n
237
ILE
237
C
ALA
238
n
238
ALA
238
C
HIS
239
n
239
HIS
239
C
ILE
240
n
240
ILE
240
C
THR
241
n
241
THR
241
C
GLY
242
n
242
GLY
242
C
LEU
243
n
243
LEU
243
C
LYS
244
n
244
LYS
244
C
PRO
245
n
245
PRO
245
C
GLY
246
n
246
GLY
246
C
ASP
247
n
247
ASP
247
C
PHE
248
n
248
PHE
248
C
ILE
249
n
249
ILE
249
C
HIS
250
n
250
HIS
250
C
THR
251
n
251
THR
251
C
LEU
252
n
252
LEU
252
C
GLY
253
n
253
GLY
253
C
ASP
254
n
254
ASP
254
C
ALA
255
n
255
ALA
255
C
HIS
256
n
256
HIS
256
C
ILE
257
n
257
ILE
257
C
TYR
258
n
258
TYR
258
C
LEU
259
n
259
LEU
259
C
ASN
260
n
260
ASN
260
C
HIS
261
n
261
HIS
261
C
ILE
262
n
262
ILE
262
C
GLU
263
n
263
GLU
263
C
PRO
264
n
264
PRO
264
C
LEU
265
n
265
LEU
265
C
LYS
266
n
266
LYS
266
C
ILE
267
n
267
ILE
267
C
GLN
268
n
268
GLN
268
C
LEU
269
n
269
LEU
269
C
GLN
270
n
270
GLN
270
C
ARG
271
n
271
ARG
271
C
GLU
272
n
272
GLU
272
C
PRO
273
n
273
PRO
273
C
ARG
274
n
274
ARG
274
C
PRO
275
n
275
PRO
275
C
PHE
276
n
276
PHE
276
C
PRO
277
n
277
PRO
277
C
LYS
278
n
278
LYS
278
C
LEU
279
n
279
LEU
279
C
ARG
280
n
280
ARG
280
C
ILE
281
n
281
ILE
281
C
LEU
282
n
282
LEU
282
C
ARG
283
n
283
ARG
283
C
LYS
284
n
284
LYS
284
C
VAL
285
n
285
VAL
285
C
GLU
286
n
286
GLU
286
C
LYS
287
n
287
LYS
287
C
ILE
288
n
288
ILE
288
C
ASP
289
n
289
ASP
289
C
ASP
290
n
290
ASP
290
C
PHE
291
n
291
PHE
291
C
LYS
292
n
292
LYS
292
C
ALA
293
n
293
ALA
293
C
GLU
294
n
294
GLU
294
C
ASP
295
n
295
ASP
295
C
PHE
296
n
296
PHE
296
C
GLN
297
n
297
GLN
297
C
ILE
298
n
298
ILE
298
C
GLU
299
n
299
GLU
299
C
GLY
300
n
300
GLY
300
C
TYR
301
n
301
TYR
301
C
ASN
302
n
302
ASN
302
C
PRO
303
n
303
PRO
303
C
HIS
304
n
304
HIS
304
C
PRO
305
n
305
PRO
305
C
THR
306
n
306
THR
306
C
ILE
307
n
307
ILE
307
C
LYS
308
n
308
LYS
308
C
MET
309
n
309
MET
309
C
GLU
310
n
310
GLU
310
C
MET
311
n
311
MET
311
C
ALA
312
n
312
ALA
312
C
VAL
313
n
313
VAL
313
C
n
1
1
D
n
2
2
D
n
3
3
D
n
4
4
D
n
5
5
D
n
6
6
D
n
7
7
D
n
8
8
D
n
9
9
D
n
10
10
D
n
11
11
D
n
12
12
D
n
13
13
D
n
14
14
D
n
15
15
D
n
16
16
D
n
17
17
D
n
18
18
D
n
19
19
D
n
20
20
D
n
21
21
D
n
22
22
D
n
23
23
D
n
24
24
D
n
25
25
D
n
26
26
D
n
27
27
D
HIS
28
n
28
HIS
28
D
GLY
29
n
29
GLY
29
D
GLU
30
n
30
GLU
30
D
LEU
31
n
31
LEU
31
D
GLN
32
n
32
GLN
32
D
TYR
33
n
33
TYR
33
D
LEU
34
n
34
LEU
34
D
GLY
35
n
35
GLY
35
D
GLN
36
n
36
GLN
36
D
ILE
37
n
37
ILE
37
D
GLN
38
n
38
GLN
38
D
HIS
39
n
39
HIS
39
D
ILE
40
n
40
ILE
40
D
LEU
41
n
41
LEU
41
D
ARG
42
n
42
ARG
42
D
CYS
43
n
43
CYS
43
D
GLY
44
n
44
GLY
44
D
VAL
45
n
45
VAL
45
D
GLU
46
n
46
GLU
46
D
LYS
47
n
47
LYS
47
D
ASP
48
n
48
ASP
48
D
ASP
49
n
49
ASP
49
D
ARG
50
n
50
ARG
50
D
THR
51
n
51
THR
51
D
GLY
52
n
52
GLY
52
D
THR
53
n
53
THR
53
D
GLY
54
n
54
GLY
54
D
THR
55
n
55
THR
55
D
LEU
56
n
56
LEU
56
D
SER
57
n
57
SER
57
D
VAL
58
n
58
VAL
58
D
PHE
59
n
59
PHE
59
D
GLY
60
n
60
GLY
60
D
MET
61
n
61
MET
61
D
GLN
62
n
62
GLN
62
D
ALA
63
n
63
ALA
63
D
ARG
64
n
64
ARG
64
D
TYR
65
n
65
TYR
65
D
SER
66
n
66
SER
66
D
LEU
67
n
67
LEU
67
D
ARG
68
n
68
ARG
68
D
ASP
69
n
69
ASP
69
D
GLU
70
n
70
GLU
70
D
PHE
71
n
71
PHE
71
D
PRO
72
n
72
PRO
72
D
LEU
73
n
73
LEU
73
D
LEU
74
n
74
LEU
74
D
THR
75
n
75
THR
75
D
THR
76
n
76
THR
76
D
LYS
77
n
77
LYS
77
D
ARG
78
n
78
ARG
78
D
VAL
79
n
79
VAL
79
D
PHE
80
n
80
PHE
80
D
TRP
81
n
81
TRP
81
D
LYS
82
n
82
LYS
82
D
GLY
83
n
83
GLY
83
D
VAL
84
n
84
VAL
84
D
LEU
85
n
85
LEU
85
D
GLU
86
n
86
GLU
86
D
GLU
87
n
87
GLU
87
D
LEU
88
n
88
LEU
88
D
LEU
89
n
89
LEU
89
D
TRP
90
n
90
TRP
90
D
PHE
91
n
91
PHE
91
D
ILE
92
n
92
ILE
92
D
LYS
93
n
93
LYS
93
D
GLY
94
n
94
GLY
94
D
SER
95
n
95
SER
95
D
THR
96
n
96
THR
96
D
ASN
97
n
97
ASN
97
D
ALA
98
n
98
ALA
98
D
LYS
99
n
99
LYS
99
D
GLU
100
n
100
GLU
100
D
LEU
101
n
101
LEU
101
D
SER
102
n
102
SER
102
D
SER
103
n
103
SER
103
D
LYS
104
n
104
LYS
104
D
GLY
105
n
105
GLY
105
D
VAL
106
n
106
VAL
106
D
LYS
107
n
107
LYS
107
D
ILE
108
n
108
ILE
108
D
TRP
109
n
109
TRP
109
D
ASP
110
n
110
ASP
110
D
ALA
111
n
111
ALA
111
D
ASN
112
n
112
ASN
112
D
GLY
113
n
113
GLY
113
D
SER
114
n
114
SER
114
D
ARG
115
n
115
ARG
115
D
ASP
116
n
116
ASP
116
D
PHE
117
n
117
PHE
117
D
LEU
118
n
118
LEU
118
D
ASP
119
n
119
ASP
119
D
SER
120
n
120
SER
120
D
LEU
121
n
121
LEU
121
D
GLY
122
n
122
GLY
122
D
PHE
123
n
123
PHE
123
D
SER
124
n
124
SER
124
D
THR
125
n
125
THR
125
D
ARG
126
n
126
ARG
126
D
GLU
127
n
127
GLU
127
D
GLU
128
n
128
GLU
128
D
GLY
129
n
129
GLY
129
D
ASP
130
n
130
ASP
130
D
LEU
131
n
131
LEU
131
D
GLY
132
n
132
GLY
132
D
PRO
133
n
133
PRO
133
D
VAL
134
n
134
VAL
134
D
TYR
135
n
135
TYR
135
D
GLY
136
n
136
GLY
136
D
PHE
137
n
137
PHE
137
D
GLN
138
n
138
GLN
138
D
TRP
139
n
139
TRP
139
D
ARG
140
n
140
ARG
140
D
HIS
141
n
141
HIS
141
D
PHE
142
n
142
PHE
142
D
GLY
143
n
143
GLY
143
D
ALA
144
n
144
ALA
144
D
GLU
145
n
145
GLU
145
D
TYR
146
n
146
TYR
146
D
ARG
147
n
147
ARG
147
D
ASP
148
n
148
ASP
148
D
MET
149
n
149
MET
149
D
GLU
150
n
150
GLU
150
D
SER
151
n
151
SER
151
D
ASP
152
n
152
ASP
152
D
TYR
153
n
153
TYR
153
D
SER
154
n
154
SER
154
D
GLY
155
n
155
GLY
155
D
GLN
156
n
156
GLN
156
D
GLY
157
n
157
GLY
157
D
VAL
158
n
158
VAL
158
D
ASP
159
n
159
ASP
159
D
GLN
160
n
160
GLN
160
D
LEU
161
n
161
LEU
161
D
GLN
162
n
162
GLN
162
D
ARG
163
n
163
ARG
163
D
VAL
164
n
164
VAL
164
D
ILE
165
n
165
ILE
165
D
ASP
166
n
166
ASP
166
D
THR
167
n
167
THR
167
D
ILE
168
n
168
ILE
168
D
LYS
169
n
169
LYS
169
D
THR
170
n
170
THR
170
D
ASN
171
n
171
ASN
171
D
PRO
172
n
172
PRO
172
D
ASP
173
n
173
ASP
173
D
ASP
174
n
174
ASP
174
D
ARG
175
n
175
ARG
175
D
ARG
176
n
176
ARG
176
D
ILE
177
n
177
ILE
177
D
ILE
178
n
178
ILE
178
D
MET
179
n
179
MET
179
D
CYS
180
n
180
CYS
180
D
ALA
181
n
181
ALA
181
D
TRP
182
n
182
TRP
182
D
ASN
183
n
183
ASN
183
D
PRO
184
n
184
PRO
184
D
ARG
185
n
185
ARG
185
D
ASP
186
n
186
ASP
186
D
LEU
187
n
187
LEU
187
D
PRO
188
n
188
PRO
188
D
LEU
189
n
189
LEU
189
D
MET
190
n
190
MET
190
D
ALA
191
n
191
ALA
191
D
LEU
192
n
192
LEU
192
D
PRO
193
n
193
PRO
193
D
PRO
194
n
194
PRO
194
D
CYS
195
n
195
CYS
195
D
HIS
196
n
196
HIS
196
D
ALA
197
n
197
ALA
197
D
LEU
198
n
198
LEU
198
D
CYS
199
n
199
CYS
199
D
GLN
200
n
200
GLN
200
D
PHE
201
n
201
PHE
201
D
TYR
202
n
202
TYR
202
D
VAL
203
n
203
VAL
203
D
VAL
204
n
204
VAL
204
D
ASN
205
n
205
ASN
205
D
SER
206
n
206
SER
206
D
GLU
207
n
207
GLU
207
D
LEU
208
n
208
LEU
208
D
SER
209
n
209
SER
209
D
CYS
210
n
210
CYS
210
D
GLN
211
n
211
GLN
211
D
LEU
212
n
212
LEU
212
D
TYR
213
n
213
TYR
213
D
GLN
214
n
214
GLN
214
D
ARG
215
n
215
ARG
215
D
SER
216
n
216
SER
216
D
GLY
217
n
217
GLY
217
D
ASP
218
n
218
ASP
218
D
MET
219
n
219
MET
219
D
GLY
220
n
220
GLY
220
D
LEU
221
n
221
LEU
221
D
GLY
222
n
222
GLY
222
D
VAL
223
n
223
VAL
223
D
PRO
224
n
224
PRO
224
D
PHE
225
n
225
PHE
225
D
ASN
226
n
226
ASN
226
D
ILE
227
n
227
ILE
227
D
ALA
228
n
228
ALA
228
D
SER
229
n
229
SER
229
D
TYR
230
n
230
TYR
230
D
ALA
231
n
231
ALA
231
D
LEU
232
n
232
LEU
232
D
LEU
233
n
233
LEU
233
D
THR
234
n
234
THR
234
D
TYR
235
n
235
TYR
235
D
MET
236
n
236
MET
236
D
ILE
237
n
237
ILE
237
D
ALA
238
n
238
ALA
238
D
HIS
239
n
239
HIS
239
D
ILE
240
n
240
ILE
240
D
THR
241
n
241
THR
241
D
GLY
242
n
242
GLY
242
D
LEU
243
n
243
LEU
243
D
LYS
244
n
244
LYS
244
D
PRO
245
n
245
PRO
245
D
GLY
246
n
246
GLY
246
D
ASP
247
n
247
ASP
247
D
PHE
248
n
248
PHE
248
D
ILE
249
n
249
ILE
249
D
HIS
250
n
250
HIS
250
D
THR
251
n
251
THR
251
D
LEU
252
n
252
LEU
252
D
GLY
253
n
253
GLY
253
D
ASP
254
n
254
ASP
254
D
ALA
255
n
255
ALA
255
D
HIS
256
n
256
HIS
256
D
ILE
257
n
257
ILE
257
D
TYR
258
n
258
TYR
258
D
LEU
259
n
259
LEU
259
D
ASN
260
n
260
ASN
260
D
HIS
261
n
261
HIS
261
D
ILE
262
n
262
ILE
262
D
GLU
263
n
263
GLU
263
D
PRO
264
n
264
PRO
264
D
LEU
265
n
265
LEU
265
D
LYS
266
n
266
LYS
266
D
ILE
267
n
267
ILE
267
D
GLN
268
n
268
GLN
268
D
LEU
269
n
269
LEU
269
D
GLN
270
n
270
GLN
270
D
ARG
271
n
271
ARG
271
D
GLU
272
n
272
GLU
272
D
PRO
273
n
273
PRO
273
D
ARG
274
n
274
ARG
274
D
PRO
275
n
275
PRO
275
D
PHE
276
n
276
PHE
276
D
PRO
277
n
277
PRO
277
D
LYS
278
n
278
LYS
278
D
LEU
279
n
279
LEU
279
D
ARG
280
n
280
ARG
280
D
ILE
281
n
281
ILE
281
D
LEU
282
n
282
LEU
282
D
ARG
283
n
283
ARG
283
D
LYS
284
n
284
LYS
284
D
VAL
285
n
285
VAL
285
D
GLU
286
n
286
GLU
286
D
LYS
287
n
287
LYS
287
D
ILE
288
n
288
ILE
288
D
ASP
289
n
289
ASP
289
D
ASP
290
n
290
ASP
290
D
PHE
291
n
291
PHE
291
D
LYS
292
n
292
LYS
292
D
ALA
293
n
293
ALA
293
D
GLU
294
n
294
GLU
294
D
ASP
295
n
295
ASP
295
D
PHE
296
n
296
PHE
296
D
GLN
297
n
297
GLN
297
D
ILE
298
n
298
ILE
298
D
GLU
299
n
299
GLU
299
D
GLY
300
n
300
GLY
300
D
TYR
301
n
301
TYR
301
D
ASN
302
n
302
ASN
302
D
PRO
303
n
303
PRO
303
D
HIS
304
n
304
HIS
304
D
PRO
305
n
305
PRO
305
D
THR
306
n
306
THR
306
D
ILE
307
n
307
ILE
307
D
LYS
308
n
308
LYS
308
D
MET
309
n
309
MET
309
D
GLU
310
n
310
GLU
310
D
MET
311
n
311
MET
311
D
ALA
312
n
312
ALA
312
D
VAL
313
n
313
VAL
313
D
author_and_software_defined_assembly
PISA
2
dimeric
author_and_software_defined_assembly
PISA
2
dimeric
7880
-33
20890
7610
-28
20910
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
LYS
47
A
N
LYS
47
A
O
THR
55
A
O
THR
55
A
N
TYR
65
A
N
TYR
65
A
O
PHE
248
A
O
PHE
248
A
O
GLY
246
A
O
GLY
246
A
N
LEU
208
A
N
LEU
208
A
O
TYR
213
A
O
TYR
213
A
N
LEU
198
A
N
LEU
198
A
O
CYS
199
A
O
CYS
199
A
N
MET
179
A
N
MET
179
A
N
ARG
280
A
N
ARG
280
A
O
GLN
297
A
O
GLN
297
B
N
LYS
47
B
N
LYS
47
B
O
THR
55
B
O
THR
55
B
N
TYR
65
B
N
TYR
65
B
O
PHE
248
B
O
PHE
248
B
O
GLY
246
B
O
GLY
246
B
N
LEU
208
B
N
LEU
208
B
O
TYR
213
B
O
TYR
213
B
N
LEU
198
B
N
LEU
198
B
O
CYS
199
B
O
CYS
199
B
N
MET
179
B
N
MET
179
B
N
ARG
280
B
N
ARG
280
B
O
GLN
297
B
O
GLN
297
C
N
LYS
47
C
N
LYS
47
C
O
THR
55
C
O
THR
55
C
N
TYR
65
C
N
TYR
65
C
O
PHE
248
C
O
PHE
248
C
O
GLY
246
C
O
GLY
246
C
N
LEU
208
C
N
LEU
208
C
O
TYR
213
C
O
TYR
213
C
N
LEU
198
C
N
LEU
198
C
O
CYS
199
C
O
CYS
199
C
N
MET
179
C
N
MET
179
C
N
ARG
280
C
N
ARG
280
C
O
GLN
297
C
O
GLN
297
D
N
LYS
47
D
N
LYS
47
D
O
THR
55
D
O
THR
55
D
N
TYR
65
D
N
TYR
65
D
O
PHE
248
D
O
PHE
248
D
O
GLY
246
D
O
GLY
246
D
N
LEU
208
D
N
LEU
208
D
O
TYR
213
D
O
TYR
213
D
N
LEU
198
D
N
LEU
198
D
O
CYS
199
D
O
CYS
199
D
N
MET
179
D
N
MET
179
D
N
ARG
280
D
N
ARG
280
D
O
GLN
297
D
O
GLN
297
1
A
MET
1
A
MET
1
1
Y
1
A
PRO
2
A
PRO
2
1
Y
1
A
VAL
3
A
VAL
3
1
Y
1
A
ALA
4
A
ALA
4
1
Y
1
A
GLY
5
A
GLY
5
1
Y
1
A
SER
6
A
SER
6
1
Y
1
A
GLU
7
A
GLU
7
1
Y
1
A
LEU
8
A
LEU
8
1
Y
1
A
PRO
9
A
PRO
9
1
Y
1
A
ARG
10
A
ARG
10
1
Y
1
A
ARG
11
A
ARG
11
1
Y
1
A
PRO
12
A
PRO
12
1
Y
1
A
LEU
13
A
LEU
13
1
Y
1
A
PRO
14
A
PRO
14
1
Y
1
A
PRO
15
A
PRO
15
1
Y
1
A
ALA
16
A
ALA
16
1
Y
1
A
ALA
17
A
ALA
17
1
Y
1
A
GLN
18
A
GLN
18
1
Y
1
A
GLU
19
A
GLU
19
1
Y
1
A
ARG
20
A
ARG
20
1
Y
1
A
ASP
21
A
ASP
21
1
Y
1
A
ALA
22
A
ALA
22
1
Y
1
A
GLU
23
A
GLU
23
1
Y
1
A
PRO
24
A
PRO
24
1
Y
1
A
ARG
25
A
ARG
25
1
Y
1
A
PRO
26
A
PRO
26
1
Y
1
A
PRO
27
A
PRO
27
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
PRO
2
B
PRO
2
1
Y
1
B
VAL
3
B
VAL
3
1
Y
1
B
ALA
4
B
ALA
4
1
Y
1
B
GLY
5
B
GLY
5
1
Y
1
B
SER
6
B
SER
6
1
Y
1
B
GLU
7
B
GLU
7
1
Y
1
B
LEU
8
B
LEU
8
1
Y
1
B
PRO
9
B
PRO
9
1
Y
1
B
ARG
10
B
ARG
10
1
Y
1
B
ARG
11
B
ARG
11
1
Y
1
B
PRO
12
B
PRO
12
1
Y
1
B
LEU
13
B
LEU
13
1
Y
1
B
PRO
14
B
PRO
14
1
Y
1
B
PRO
15
B
PRO
15
1
Y
1
B
ALA
16
B
ALA
16
1
Y
1
B
ALA
17
B
ALA
17
1
Y
1
B
GLN
18
B
GLN
18
1
Y
1
B
GLU
19
B
GLU
19
1
Y
1
B
ARG
20
B
ARG
20
1
Y
1
B
ASP
21
B
ASP
21
1
Y
1
B
ALA
22
B
ALA
22
1
Y
1
B
GLU
23
B
GLU
23
1
Y
1
B
PRO
24
B
PRO
24
1
Y
1
B
ARG
25
B
ARG
25
1
Y
1
B
PRO
26
B
PRO
26
1
Y
1
B
PRO
27
B
PRO
27
1
Y
1
C
MET
1
C
MET
1
1
Y
1
C
PRO
2
C
PRO
2
1
Y
1
C
VAL
3
C
VAL
3
1
Y
1
C
ALA
4
C
ALA
4
1
Y
1
C
GLY
5
C
GLY
5
1
Y
1
C
SER
6
C
SER
6
1
Y
1
C
GLU
7
C
GLU
7
1
Y
1
C
LEU
8
C
LEU
8
1
Y
1
C
PRO
9
C
PRO
9
1
Y
1
C
ARG
10
C
ARG
10
1
Y
1
C
ARG
11
C
ARG
11
1
Y
1
C
PRO
12
C
PRO
12
1
Y
1
C
LEU
13
C
LEU
13
1
Y
1
C
PRO
14
C
PRO
14
1
Y
1
C
PRO
15
C
PRO
15
1
Y
1
C
ALA
16
C
ALA
16
1
Y
1
C
ALA
17
C
ALA
17
1
Y
1
C
GLN
18
C
GLN
18
1
Y
1
C
GLU
19
C
GLU
19
1
Y
1
C
ARG
20
C
ARG
20
1
Y
1
C
ASP
21
C
ASP
21
1
Y
1
C
ALA
22
C
ALA
22
1
Y
1
C
GLU
23
C
GLU
23
1
Y
1
C
PRO
24
C
PRO
24
1
Y
1
C
ARG
25
C
ARG
25
1
Y
1
C
PRO
26
C
PRO
26
1
Y
1
C
PRO
27
C
PRO
27
1
Y
1
D
MET
1
D
MET
1
1
Y
1
D
PRO
2
D
PRO
2
1
Y
1
D
VAL
3
D
VAL
3
1
Y
1
D
ALA
4
D
ALA
4
1
Y
1
D
GLY
5
D
GLY
5
1
Y
1
D
SER
6
D
SER
6
1
Y
1
D
GLU
7
D
GLU
7
1
Y
1
D
LEU
8
D
LEU
8
1
Y
1
D
PRO
9
D
PRO
9
1
Y
1
D
ARG
10
D
ARG
10
1
Y
1
D
ARG
11
D
ARG
11
1
Y
1
D
PRO
12
D
PRO
12
1
Y
1
D
LEU
13
D
LEU
13
1
Y
1
D
PRO
14
D
PRO
14
1
Y
1
D
PRO
15
D
PRO
15
1
Y
1
D
ALA
16
D
ALA
16
1
Y
1
D
ALA
17
D
ALA
17
1
Y
1
D
GLN
18
D
GLN
18
1
Y
1
D
GLU
19
D
GLU
19
1
Y
1
D
ARG
20
D
ARG
20
1
Y
1
D
ASP
21
D
ASP
21
1
Y
1
D
ALA
22
D
ALA
22
1
Y
1
D
GLU
23
D
GLU
23
1
Y
1
D
PRO
24
D
PRO
24
1
Y
1
D
ARG
25
D
ARG
25
1
Y
1
D
PRO
26
D
PRO
26
1
Y
1
D
PRO
27
D
PRO
27
1
Y
1
D
D
OH
O
TYR
HOH
135
444
2.19
1
A
GLU
70
-173.27
145.14
1
A
LEU
74
-36.08
140.00
1
A
SER
114
-56.34
172.84
1
A
PHE
123
-92.01
42.09
1
A
TYR
135
-16.65
-73.23
1
A
HIS
141
-142.29
43.88
1
A
ARG
147
-122.53
-86.63
1
A
MET
149
-56.82
-0.80
1
A
ASN
171
-156.80
76.35
1
A
LEU
192
-169.59
105.32
1
A
PRO
193
-47.09
150.93
1
A
VAL
204
-170.75
132.45
1
A
LEU
221
-114.02
-70.54
1
A
LEU
282
-59.38
0.39
1
B
GLU
70
-173.73
146.51
1
B
PRO
72
-69.68
77.72
1
B
LEU
74
-34.84
139.83
1
B
SER
114
-56.85
172.25
1
B
PHE
123
-91.92
42.91
1
B
TYR
135
-17.46
-72.77
1
B
HIS
141
-141.20
42.17
1
B
ARG
147
-122.67
-85.87
1
B
MET
149
-56.63
-2.55
1
B
ASN
171
-156.51
75.77
1
B
LEU
192
-169.48
106.86
1
B
LEU
221
-113.72
-70.78
1
B
LEU
282
-59.83
-0.23
1
C
GLU
70
-173.04
145.30
1
C
PRO
72
-68.62
75.44
1
C
LEU
74
-36.76
138.48
1
C
SER
114
-56.31
172.47
1
C
PHE
123
-92.69
42.13
1
C
TYR
135
-18.26
-74.25
1
C
HIS
141
-142.43
43.75
1
C
ARG
147
-121.76
-87.90
1
C
MET
149
-57.36
-0.44
1
C
ASN
171
-157.16
75.76
1
C
ILE
177
-69.62
84.82
1
C
LEU
192
-170.61
104.43
1
C
PRO
193
-46.62
151.24
1
C
LEU
221
-113.19
-72.38
1
C
LEU
282
-60.46
1.10
1
D
GLU
70
-173.82
144.87
1
D
LEU
74
-36.22
139.77
1
D
SER
114
-57.70
172.73
1
D
PHE
123
-91.61
41.98
1
D
TYR
135
-17.70
-71.97
1
D
HIS
141
-142.57
43.00
1
D
ARG
147
-123.88
-87.36
1
D
MET
149
-56.41
-1.66
1
D
ASN
171
-156.21
74.79
1
D
PRO
172
-59.97
-6.13
1
D
LEU
192
-170.67
107.40
1
D
PRO
193
-49.11
150.28
1
D
LEU
221
-113.44
-70.19
1
D
LEU
282
-59.46
-0.59
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARAM
WATER.TOP
LY231514.PAR
LY231514.TOP
PARAMED.LIG
TOPO_COVALENT.DUMP
ION.PARAM
23.8
1.65
-1.99
6.33
-4.36
-1.09
2.71
Residues 1 through 27 in each chain are disordered and were not included in refinement.
All four monomers in the asymmetric unit were initially constrained to have equivalent structures.
NCS constraints were relaxed to restraints in the final cycles of refinement.
0.2640000
0.005
0.2360000
0.2390000
2.89
22.95
2315
23376
23376
9.9
83.8
RANDOM
173248.96
0.000000
1
RESTRAINED
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
thymidylate synthase portion of the Leishmania major DHFR-TS bifunctional enzyme
Engh & Huber
FLAT MODEL
33.305
0.361834
0.43
0.39
5.00
0.51
0.52
2.89
22.95
48
9493
209
0
9236
0.008
1.5
23.3
0.83
1
CONSTR
1
X-RAY DIFFRACTION
0.3160000
0.018
0.3240000
3.07
323
2826
6
10.3
67.7
41.9
2.8
23
1JU6
24659
24659
0
-3
0.1380000
1,2
7.4
1.9
88
0.3330000
2.8
2.88
2.0
74
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
Human Thymidylate Synthase Complex with dUMP and LY231514, A Pyrrolo(2,3-d)pyrimidine-based Antifolate
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
3
N
N
4
N
N
3
N
N
4
N
N
3
N
N
4
N
N
5
N
N
5
N
N
5
N
N
5
N
N
A
GLY
29
A
GLY
29
HELX_P
A
CYS
43
A
CYS
43
1
1
15
A
PHE
80
A
PHE
80
HELX_P
A
LYS
93
A
LYS
93
1
2
14
A
ASN
97
A
ASN
97
HELX_P
A
SER
103
A
SER
103
1
3
7
A
TRP
109
A
TRP
109
HELX_P
A
SER
114
A
SER
114
1
4
6
A
SER
114
A
SER
114
HELX_P
A
LEU
121
A
LEU
121
1
5
8
A
VAL
134
A
VAL
134
HELX_P
A
PHE
142
A
PHE
142
1
6
9
A
ASP
159
A
ASP
159
HELX_P
A
ASN
171
A
ASN
171
1
7
13
A
ASP
186
A
ASP
186
HELX_P
A
MET
190
A
MET
190
5
8
5
A
LEU
221
A
LEU
221
HELX_P
A
GLY
242
A
GLY
242
1
9
22
A
HIS
261
A
HIS
261
HELX_P
A
LEU
269
A
LEU
269
1
10
9
A
LYS
292
A
LYS
292
HELX_P
A
GLU
294
A
GLU
294
5
11
3
B
GLY
29
B
GLY
29
HELX_P
B
GLY
44
B
GLY
44
1
12
16
B
PHE
80
B
PHE
80
HELX_P
B
LYS
93
B
LYS
93
1
13
14
B
ASN
97
B
ASN
97
HELX_P
B
SER
103
B
SER
103
1
14
7
B
TRP
109
B
TRP
109
HELX_P
B
SER
114
B
SER
114
1
15
6
B
SER
114
B
SER
114
HELX_P
B
LEU
121
B
LEU
121
1
16
8
B
VAL
134
B
VAL
134
HELX_P
B
PHE
142
B
PHE
142
1
17
9
B
ASP
159
B
ASP
159
HELX_P
B
ASN
171
B
ASN
171
1
18
13
B
ASP
186
B
ASP
186
HELX_P
B
MET
190
B
MET
190
5
19
5
B
LEU
221
B
LEU
221
HELX_P
B
GLY
242
B
GLY
242
1
20
22
B
HIS
261
B
HIS
261
HELX_P
B
LEU
269
B
LEU
269
1
21
9
B
LYS
292
B
LYS
292
HELX_P
B
GLU
294
B
GLU
294
5
22
3
C
GLY
29
C
GLY
29
HELX_P
C
GLY
44
C
GLY
44
1
23
16
C
PHE
80
C
PHE
80
HELX_P
C
LYS
93
C
LYS
93
1
24
14
C
ASN
97
C
ASN
97
HELX_P
C
SER
103
C
SER
103
1
25
7
C
TRP
109
C
TRP
109
HELX_P
C
SER
114
C
SER
114
1
26
6
C
SER
114
C
SER
114
HELX_P
C
LEU
121
C
LEU
121
1
27
8
C
VAL
134
C
VAL
134
HELX_P
C
PHE
142
C
PHE
142
1
28
9
C
ASP
159
C
ASP
159
HELX_P
C
ASN
171
C
ASN
171
1
29
13
C
ASP
186
C
ASP
186
HELX_P
C
MET
190
C
MET
190
5
30
5
C
LEU
221
C
LEU
221
HELX_P
C
GLY
242
C
GLY
242
1
31
22
C
HIS
261
C
HIS
261
HELX_P
C
LEU
269
C
LEU
269
1
32
9
C
LYS
292
C
LYS
292
HELX_P
C
GLU
294
C
GLU
294
5
33
3
D
GLY
29
D
GLY
29
HELX_P
D
GLY
44
D
GLY
44
1
34
16
D
PHE
80
D
PHE
80
HELX_P
D
LYS
93
D
LYS
93
1
35
14
D
ASN
97
D
ASN
97
HELX_P
D
SER
103
D
SER
103
1
36
7
D
TRP
109
D
TRP
109
HELX_P
D
SER
114
D
SER
114
1
37
6
D
SER
114
D
SER
114
HELX_P
D
LEU
121
D
LEU
121
1
38
8
D
VAL
134
D
VAL
134
HELX_P
D
PHE
142
D
PHE
142
1
39
9
D
ASP
159
D
ASP
159
HELX_P
D
ASN
171
D
ASN
171
1
40
13
D
ASP
186
D
ASP
186
HELX_P
D
MET
190
D
MET
190
5
41
5
D
LEU
221
D
LEU
221
HELX_P
D
GLY
242
D
GLY
242
1
42
22
D
HIS
261
D
HIS
261
HELX_P
D
LEU
269
D
LEU
269
1
43
9
D
LYS
292
D
LYS
292
HELX_P
D
GLU
294
D
GLU
294
5
44
3
covale
1.823
none
A
CYS
195
A
SG
CYS
195
1_555
A
UMP
314
F
C6
UMP
1_555
covale
1.832
none
B
CYS
195
B
SG
CYS
195
1_555
B
UMP
314
H
C6
UMP
1_555
covale
1.840
none
C
CYS
195
C
SG
CYS
195
1_555
C
UMP
314
J
C6
UMP
1_555
covale
1.811
none
D
CYS
195
D
SG
CYS
195
1_555
D
UMP
314
L
C6
UMP
1_555
TRANSFERASE
antifolate, dTMP synthesis, drug resistance, cancer, TRANSFERASE
TYSY_HUMAN
UNP
1
1
P04818
MPVAGSELPRRPLPPAAQERDAEPRPPHGELQYLGQIQHILRCGVRKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVF
WKGVLEELLWFIKGSTNAKELSSKGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQ
LQRVIDTIKTNPDDRRIIMCAWNPRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHI
TGLKPGDFIHTLGDAHIYLNHIEPLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
1
313
1JU6
1
313
P04818
A
1
1
313
1
313
1JU6
1
313
P04818
B
1
1
313
1
313
1JU6
1
313
P04818
C
1
1
313
1
313
1JU6
1
313
P04818
D
1
1
313
1
ARG
engineered mutation
GLU
46
1JU6
A
P04818
UNP
46
46
2
ARG
engineered mutation
GLU
46
1JU6
B
P04818
UNP
46
46
3
ARG
engineered mutation
GLU
46
1JU6
C
P04818
UNP
46
46
4
ARG
engineered mutation
GLU
46
1JU6
D
P04818
UNP
46
46
6
2
6
2
6
2
6
2
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
VAL
45
A
VAL
45
A
ASP
48
A
ASP
48
A
GLY
54
A
GLY
54
A
SER
66
A
SER
66
A
LYS
244
A
LYS
244
A
TYR
258
A
TYR
258
A
GLU
207
A
GLU
207
A
ASP
218
A
ASP
218
A
HIS
196
A
HIS
196
A
VAL
204
A
VAL
204
A
ILE
178
A
ILE
178
A
CYS
180
A
CYS
180
A
LYS
278
A
LYS
278
A
ILE
281
A
ILE
281
A
PHE
296
A
PHE
296
A
GLU
299
A
GLU
299
B
VAL
45
B
VAL
45
B
ASP
48
B
ASP
48
B
GLY
54
B
GLY
54
B
SER
66
B
SER
66
B
LYS
244
B
LYS
244
B
TYR
258
B
TYR
258
B
GLU
207
B
GLU
207
B
ASP
218
B
ASP
218
B
HIS
196
B
HIS
196
B
VAL
204
B
VAL
204
B
ILE
178
B
ILE
178
B
CYS
180
B
CYS
180
B
LYS
278
B
LYS
278
B
ILE
281
B
ILE
281
B
PHE
296
B
PHE
296
B
GLU
299
B
GLU
299
C
VAL
45
C
VAL
45
C
ASP
48
C
ASP
48
C
GLY
54
C
GLY
54
C
SER
66
C
SER
66
C
LYS
244
C
LYS
244
C
TYR
258
C
TYR
258
C
GLU
207
C
GLU
207
C
ASP
218
C
ASP
218
C
HIS
196
C
HIS
196
C
VAL
204
C
VAL
204
C
ILE
178
C
ILE
178
C
CYS
180
C
CYS
180
C
LYS
278
C
LYS
278
C
ILE
281
C
ILE
281
C
PHE
296
C
PHE
296
C
GLU
299
C
GLU
299
D
VAL
45
D
VAL
45
D
ASP
48
D
ASP
48
D
GLY
54
D
GLY
54
D
SER
66
D
SER
66
D
LYS
244
D
LYS
244
D
TYR
258
D
TYR
258
D
GLU
207
D
GLU
207
D
ASP
218
D
ASP
218
D
HIS
196
D
HIS
196
D
VAL
204
D
VAL
204
D
ILE
178
D
ILE
178
D
CYS
180
D
CYS
180
D
LYS
278
D
LYS
278
D
ILE
281
D
ILE
281
D
PHE
296
D
PHE
296
D
GLU
299
D
GLU
299
BINDING SITE FOR RESIDUE PO4 A 316
A
PO4
316
Software
7
BINDING SITE FOR RESIDUE UMP A 314
A
UMP
314
Software
15
BINDING SITE FOR RESIDUE LYA A 317
A
LYA
317
Software
10
BINDING SITE FOR RESIDUE UMP B 314
B
UMP
314
Software
17
BINDING SITE FOR RESIDUE LYA B 315
B
LYA
315
Software
10
BINDING SITE FOR RESIDUE UMP C 314
C
UMP
314
Software
15
BINDING SITE FOR RESIDUE LYA C 315
C
LYA
315
Software
9
BINDING SITE FOR RESIDUE UMP D 314
D
UMP
314
Software
15
BINDING SITE FOR RESIDUE LYA D 315
D
LYA
315
Software
11
A
GLN
156
A
GLN
156
7
1_555
A
GLY
157
A
GLY
157
7
1_555
B
ARG
185
B
ARG
185
7
1_555
C
GLY
155
C
GLY
155
7
1_454
C
GLN
156
C
GLN
156
7
1_454
C
GLY
157
C
GLY
157
7
1_454
D
ARG
185
D
ARG
185
7
1_454
A
ARG
50
A
ARG
50
15
1_555
A
LEU
192
A
LEU
192
15
1_555
A
CYS
195
A
CYS
195
15
1_555
A
HIS
196
A
HIS
196
15
1_555
A
GLN
214
A
GLN
214
15
1_555
A
ARG
215
A
ARG
215
15
1_555
A
SER
216
A
SER
216
15
1_555
A
ASP
218
A
ASP
218
15
1_555
A
ASN
226
A
ASN
226
15
1_555
A
HIS
256
A
HIS
256
15
1_555
A
TYR
258
A
TYR
258
15
1_555
A
LYA
317
G
LYA
15
1_555
A
HOH
404
N
HOH
15
1_555
B
ARG
175
B
ARG
175
15
1_555
B
ARG
176
B
ARG
176
15
1_555
A
PHE
80
A
PHE
80
10
1_555
A
TRP
109
A
TRP
109
10
1_555
A
ASN
112
A
ASN
112
10
1_555
A
ASP
218
A
ASP
218
10
1_555
A
GLY
222
A
GLY
222
10
1_555
A
PHE
225
A
PHE
225
10
1_555
A
MET
311
A
MET
311
10
1_555
A
ALA
312
A
ALA
312
10
1_555
A
UMP
314
F
UMP
10
1_555
A
HOH
411
N
HOH
10
1_555
A
ARG
175
A
ARG
175
17
1_555
A
ARG
176
A
ARG
176
17
1_555
B
ARG
50
B
ARG
50
17
1_555
B
TYR
135
B
TYR
135
17
1_555
B
LEU
192
B
LEU
192
17
1_555
B
CYS
195
B
CYS
195
17
1_555
B
HIS
196
B
HIS
196
17
1_555
B
GLN
214
B
GLN
214
17
1_555
B
ARG
215
B
ARG
215
17
1_555
B
SER
216
B
SER
216
17
1_555
B
ASP
218
B
ASP
218
17
1_555
B
GLY
222
B
GLY
222
17
1_555
B
ASN
226
B
ASN
226
17
1_555
B
HIS
256
B
HIS
256
17
1_555
B
TYR
258
B
TYR
258
17
1_555
B
LYA
315
I
LYA
17
1_555
B
HOH
416
O
HOH
17
1_555
B
PHE
80
B
PHE
80
10
1_555
B
ILE
108
B
ILE
108
10
1_555
B
TRP
109
B
TRP
109
10
1_555
B
ASN
112
B
ASN
112
10
1_555
B
ASP
218
B
ASP
218
10
1_555
B
LEU
221
B
LEU
221
10
1_555
B
GLY
222
B
GLY
222
10
1_555
B
MET
311
B
MET
311
10
1_555
B
ALA
312
B
ALA
312
10
1_555
B
UMP
314
H
UMP
10
1_555
C
ARG
50
C
ARG
50
15
1_555
C
CYS
195
C
CYS
195
15
1_555
C
HIS
196
C
HIS
196
15
1_555
C
GLN
214
C
GLN
214
15
1_555
C
ARG
215
C
ARG
215
15
1_555
C
SER
216
C
SER
216
15
1_555
C
ASP
218
C
ASP
218
15
1_555
C
GLY
222
C
GLY
222
15
1_555
C
ASN
226
C
ASN
226
15
1_555
C
HIS
256
C
HIS
256
15
1_555
C
TYR
258
C
TYR
258
15
1_555
C
LYA
315
K
LYA
15
1_555
C
HOH
428
P
HOH
15
1_555
D
ARG
175
D
ARG
175
15
1_555
D
ARG
176
D
ARG
176
15
1_555
C
PHE
80
C
PHE
80
9
1_555
C
ILE
108
C
ILE
108
9
1_555
C
ASN
112
C
ASN
112
9
1_555
C
ASP
218
C
ASP
218
9
1_555
C
GLY
222
C
GLY
222
9
1_555
C
MET
311
C
MET
311
9
1_555
C
ALA
312
C
ALA
312
9
1_555
C
UMP
314
J
UMP
9
1_555
C
HOH
435
P
HOH
9
1_555
C
ARG
175
C
ARG
175
15
1_555
C
ARG
176
C
ARG
176
15
1_555
D
ARG
50
D
ARG
50
15
1_555
D
TYR
135
D
TYR
135
15
1_555
D
LEU
192
D
LEU
192
15
1_555
D
CYS
195
D
CYS
195
15
1_555
D
HIS
196
D
HIS
196
15
1_555
D
GLN
214
D
GLN
214
15
1_555
D
ARG
215
D
ARG
215
15
1_555
D
SER
216
D
SER
216
15
1_555
D
ASP
218
D
ASP
218
15
1_555
D
ASN
226
D
ASN
226
15
1_555
D
HIS
256
D
HIS
256
15
1_555
D
TYR
258
D
TYR
258
15
1_555
D
LYA
315
M
LYA
15
1_555
D
PHE
80
D
PHE
80
11
1_555
D
ILE
108
D
ILE
108
11
1_555
D
ASN
112
D
ASN
112
11
1_555
D
ASP
218
D
ASP
218
11
1_555
D
LEU
221
D
LEU
221
11
1_555
D
GLY
222
D
GLY
222
11
1_555
D
TYR
258
D
TYR
258
11
1_555
D
MET
311
D
MET
311
11
1_555
D
ALA
312
D
ALA
312
11
1_555
D
UMP
314
L
UMP
11
1_555
D
HOH
443
Q
HOH
11
1_555
1
P 1