0.011150
0.006437
0.000000
0.000000
0.012874
0.000000
0.000000
0.000000
0.007036
0.00000
0.00000
0.00000
Almog, R.A.
Waddling, C.A.
Maley, F.
Maley, G.F.
Van Roey, P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.
90.
120.
89.689
89.689
142.129
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
C21 H22 N4 O6 S
458.488
TOMUDEX
ZD1694; Raltitrexed
non-polymer
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
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
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
N
C
N
90
N
C
N
91
N
N
N
92
N
C
N
93
N
O
Y
94
N
C
Y
95
N
C
Y
96
N
C
Y
97
N
C
Y
98
N
C
Y
99
N
C
N
100
N
C
N
101
N
N
Y
102
N
C
Y
103
N
S
Y
104
N
C
Y
105
N
C
Y
106
N
C
N
107
N
C
N
108
N
O
N
109
N
N
N
110
S
C
N
111
N
C
N
112
N
C
N
113
N
C
N
114
N
O
N
115
N
O
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
C
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
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
N
N
143
S
C
N
144
N
C
N
145
N
O
N
146
N
C
N
147
N
C
N
148
N
C
N
149
N
O
N
150
N
N
N
151
N
O
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
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
O
N
171
N
O
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
N
N
182
N
C
N
183
N
C
N
184
N
O
N
185
N
O
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
N
C
Y
196
N
C
Y
197
N
N
Y
198
N
C
Y
199
N
C
Y
200
N
N
N
201
N
O
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
O
N
213
N
H
N
214
N
H
N
215
N
N
N
216
S
C
N
217
N
C
N
218
N
O
N
219
S
C
N
220
N
C
N
221
N
C
N
222
N
C
N
223
N
O
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
N
N
238
S
C
N
239
N
C
N
240
N
O
N
241
N
C
N
242
N
C
N
243
N
C
N
244
N
C
N
245
N
O
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
H
N
258
N
H
N
259
N
N
N
260
S
C
N
261
N
C
N
262
N
O
N
263
N
C
N
264
N
C
N
265
N
C
N
266
N
C
N
267
N
N
N
268
N
O
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
H
N
283
N
H
N
284
N
N
N
285
S
C
N
286
N
C
N
287
N
O
N
288
N
C
N
289
N
C
N
290
N
S
N
291
N
C
N
292
N
O
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
H
N
303
N
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
N
C
Y
309
N
C
Y
310
N
C
Y
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
N
315
N
O
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
H
N
326
N
H
N
327
N
N
N
328
S
C
N
329
N
C
N
330
N
O
N
331
N
C
N
332
N
C
N
333
N
C
N
334
N
O
N
335
N
H
N
336
N
H
N
337
N
H
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
N
N
345
S
C
N
346
N
C
N
347
N
O
N
348
N
C
N
349
N
O
N
350
N
O
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
N
N
359
S
C
N
360
N
C
N
361
N
O
N
362
R
C
N
363
N
O
N
364
N
C
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
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
N
N
376
S
C
N
377
N
C
N
378
N
O
N
379
N
C
Y
380
N
C
Y
381
N
C
Y
382
N
C
Y
383
N
N
Y
384
N
C
Y
385
N
C
Y
386
N
C
Y
387
N
C
Y
388
N
C
N
389
N
O
N
390
N
H
N
391
N
H
N
392
N
H
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
N
N
403
S
C
N
404
N
C
N
405
N
O
N
406
N
C
Y
407
N
C
Y
408
N
C
Y
409
N
C
Y
410
N
C
Y
411
N
C
Y
412
N
C
N
413
N
O
N
414
N
O
N
415
N
H
N
416
N
H
N
417
N
H
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
N
N
427
N
C
N
428
N
N
N
429
N
C
N
430
N
C
N
431
N
C
N
432
N
O
N
433
N
O
N
434
R
C
N
435
N
C
N
436
S
C
N
437
R
C
N
438
N
O
N
439
N
O
N
440
N
C
N
441
N
O
N
442
N
P
N
443
N
O
N
444
N
O
N
445
N
O
N
446
N
H
N
447
N
H
N
448
N
H
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
N
N
460
S
C
N
461
N
C
N
462
N
O
N
463
N
C
N
464
N
C
N
465
N
C
N
466
N
O
N
467
N
H
N
468
N
H
N
469
N
H
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
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
doub
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
doub
N
93
N
sing
Y
94
N
doub
Y
95
N
sing
Y
96
N
sing
N
97
N
sing
Y
98
N
doub
N
99
N
sing
Y
100
N
sing
N
101
N
sing
Y
102
N
doub
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
Y
109
N
sing
Y
110
N
doub
N
111
N
sing
Y
112
N
sing
Y
113
N
doub
Y
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
doub
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
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
doub
N
131
N
sing
N
132
N
sing
N
133
N
doub
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
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
doub
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
doub
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
doub
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
sing
N
180
N
sing
N
181
N
sing
N
182
N
doub
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
doub
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
Y
196
N
sing
Y
197
N
doub
Y
198
N
doub
N
199
N
sing
Y
200
N
sing
N
201
N
sing
Y
202
N
sing
N
203
N
sing
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
N
212
N
sing
N
213
N
sing
N
214
N
doub
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
doub
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
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
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
sing
N
255
N
sing
N
256
N
doub
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
sing
N
279
N
sing
N
280
N
doub
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
sing
N
298
N
sing
N
299
N
doub
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
Y
304
N
doub
Y
305
N
sing
Y
306
N
sing
N
307
N
sing
Y
308
N
doub
N
309
N
sing
Y
310
N
doub
N
311
N
sing
Y
312
N
sing
N
313
N
sing
N
314
N
sing
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
doub
N
323
N
sing
N
324
N
sing
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
doub
N
340
N
sing
N
341
N
sing
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
doub
N
353
N
sing
N
354
N
sing
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
doub
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
Y
373
N
doub
Y
374
N
sing
Y
375
N
sing
N
376
N
sing
Y
377
N
doub
Y
378
N
sing
Y
379
N
sing
N
380
N
sing
Y
381
N
sing
Y
382
N
doub
N
383
N
sing
Y
384
N
doub
N
385
N
sing
Y
386
N
sing
N
387
N
sing
N
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
doub
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
Y
401
N
doub
Y
402
N
sing
Y
403
N
sing
N
404
N
sing
Y
405
N
doub
N
406
N
sing
Y
407
N
doub
N
408
N
sing
Y
409
N
sing
N
410
N
sing
N
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
doub
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
doub
N
423
N
doub
N
424
N
sing
N
425
N
sing
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
doub
N
444
N
sing
N
445
N
sing
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
doub
N
455
N
sing
N
456
N
sing
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
US
Protein Sci.
PRCIEI
0795
0961-8368
10
988
996
10.1110/ps.47601
11316879
Crystal structure of a deletion mutant of human thymidylate synthase Delta (7-29) and its ternary complex with Tomudex and dUMP.
2001
10.2210/pdb1i00/pdb
pdb_00001i00
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
MSC-Yale mirrors
IMAGE PLATE
2000-07-01
RIGAKU RAXIS IV
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
33189.070
THYMIDYLATE SYNTHASE
2.1.1.45
2
man
polymer
308.182
2'-DEOXYURIDINE 5'-MONOPHOSPHATE
2
syn
non-polymer
458.488
TOMUDEX
2
syn
non-polymer
18.015
water
110
nat
water
no
no
MPVAGSELQYLGQIQHILRCGVRKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVFWKGVLEELLWFIKGSTNAKELSS
KGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQLQRVIDTIKTNPDDRRIIMCAWN
PRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHITGLKPGDFIHTLGDAHIYLNHIE
PLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
MPVAGSELQYLGQIQHILRCGVRKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVFWKGVLEELLWFIKGSTNAKELSS
KGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQLQRVIDTIKTNPDDRRIIMCAWN
PRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHITGLKPGDFIHTLGDAHIYLNHIE
PLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
A,B
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
human
Homo
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
1
2.48
50.50
VAPOR DIFFUSION, HANGING DROP
7.4
PEG 3350, potassium phosphate DTT, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Non-polymer description
Data collection
Database references
Derived calculations
Refinement description
1
0
2001-05-09
1
1
2008-04-27
1
2
2011-07-13
1
3
2012-10-10
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
structure of uncomplex human thymidylate syntase
RCSB
Y
RCSB
2001-01-27
REL
REL
UMP
2'-DEOXYURIDINE 5'-MONOPHOSPHATE
D16
TOMUDEX
HOH
water
1HZW
human TS 1HZW
PDB
experimental model
UMP
308
2
UMP
UMP
314
A
D16
309
3
D16
D16
315
A
UMP
408
2
UMP
UMP
408
B
D16
409
3
D16
D16
409
B
WAT
502
4
HOH
HOH
502
A
WAT
503
4
HOH
HOH
503
A
WAT
504
4
HOH
HOH
504
A
WAT
505
4
HOH
HOH
505
A
WAT
507
4
HOH
HOH
507
A
WAT
509
4
HOH
HOH
509
A
WAT
510
4
HOH
HOH
510
A
WAT
511
4
HOH
HOH
511
A
WAT
512
4
HOH
HOH
512
A
WAT
515
4
HOH
HOH
515
A
WAT
516
4
HOH
HOH
516
A
WAT
517
4
HOH
HOH
517
A
WAT
518
4
HOH
HOH
518
A
WAT
520
4
HOH
HOH
520
A
WAT
521
4
HOH
HOH
521
A
WAT
523
4
HOH
HOH
523
A
WAT
524
4
HOH
HOH
524
A
WAT
525
4
HOH
HOH
525
A
WAT
527
4
HOH
HOH
527
A
WAT
528
4
HOH
HOH
528
A
WAT
529
4
HOH
HOH
529
A
WAT
532
4
HOH
HOH
532
A
WAT
533
4
HOH
HOH
533
A
WAT
534
4
HOH
HOH
534
A
WAT
538
4
HOH
HOH
538
A
WAT
539
4
HOH
HOH
539
A
WAT
543
4
HOH
HOH
543
A
WAT
547
4
HOH
HOH
547
A
WAT
548
4
HOH
HOH
548
A
WAT
549
4
HOH
HOH
549
A
WAT
550
4
HOH
HOH
550
A
WAT
553
4
HOH
HOH
553
A
WAT
555
4
HOH
HOH
555
A
WAT
557
4
HOH
HOH
557
A
WAT
560
4
HOH
HOH
560
A
WAT
561
4
HOH
HOH
561
A
WAT
563
4
HOH
HOH
563
A
WAT
564
4
HOH
HOH
564
A
WAT
567
4
HOH
HOH
567
A
WAT
568
4
HOH
HOH
568
A
WAT
570
4
HOH
HOH
570
A
WAT
571
4
HOH
HOH
571
A
WAT
572
4
HOH
HOH
572
A
WAT
573
4
HOH
HOH
573
A
WAT
574
4
HOH
HOH
574
A
WAT
575
4
HOH
HOH
575
A
WAT
576
4
HOH
HOH
576
A
WAT
578
4
HOH
HOH
578
A
WAT
579
4
HOH
HOH
579
A
WAT
580
4
HOH
HOH
580
A
WAT
581
4
HOH
HOH
581
A
WAT
584
4
HOH
HOH
584
A
WAT
585
4
HOH
HOH
585
A
WAT
586
4
HOH
HOH
586
A
WAT
587
4
HOH
HOH
587
A
WAT
588
4
HOH
HOH
588
A
WAT
591
4
HOH
HOH
591
A
WAT
592
4
HOH
HOH
592
A
WAT
593
4
HOH
HOH
593
A
WAT
595
4
HOH
HOH
595
A
WAT
596
4
HOH
HOH
596
A
WAT
599
4
HOH
HOH
599
A
WAT
603
4
HOH
HOH
603
A
WAT
604
4
HOH
HOH
604
A
WAT
605
4
HOH
HOH
605
A
WAT
606
4
HOH
HOH
606
A
WAT
607
4
HOH
HOH
607
A
WAT
608
4
HOH
HOH
608
A
WAT
609
4
HOH
HOH
609
A
WAT
501
4
HOH
HOH
501
B
WAT
506
4
HOH
HOH
506
B
WAT
508
4
HOH
HOH
508
B
WAT
513
4
HOH
HOH
513
B
WAT
514
4
HOH
HOH
514
B
WAT
519
4
HOH
HOH
519
B
WAT
522
4
HOH
HOH
522
B
WAT
526
4
HOH
HOH
526
B
WAT
530
4
HOH
HOH
530
B
WAT
531
4
HOH
HOH
531
B
WAT
535
4
HOH
HOH
535
B
WAT
536
4
HOH
HOH
536
B
WAT
537
4
HOH
HOH
537
B
WAT
540
4
HOH
HOH
540
B
WAT
541
4
HOH
HOH
541
B
WAT
542
4
HOH
HOH
542
B
WAT
544
4
HOH
HOH
544
B
WAT
545
4
HOH
HOH
545
B
WAT
546
4
HOH
HOH
546
B
WAT
551
4
HOH
HOH
551
B
WAT
552
4
HOH
HOH
552
B
WAT
554
4
HOH
HOH
554
B
WAT
556
4
HOH
HOH
556
B
WAT
558
4
HOH
HOH
558
B
WAT
559
4
HOH
HOH
559
B
WAT
562
4
HOH
HOH
562
B
WAT
565
4
HOH
HOH
565
B
WAT
566
4
HOH
HOH
566
B
WAT
569
4
HOH
HOH
569
B
WAT
577
4
HOH
HOH
577
B
WAT
582
4
HOH
HOH
582
B
WAT
583
4
HOH
HOH
583
B
WAT
589
4
HOH
HOH
589
B
WAT
590
4
HOH
HOH
590
B
WAT
594
4
HOH
HOH
594
B
WAT
597
4
HOH
HOH
597
B
WAT
598
4
HOH
HOH
598
B
WAT
600
4
HOH
HOH
600
B
WAT
601
4
HOH
HOH
601
B
WAT
602
4
HOH
HOH
602
B
WAT
610
4
HOH
HOH
610
B
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
SER
6
n
6
SER
6
A
GLU
30
n
7
GLU
30
A
LEU
31
n
8
LEU
31
A
GLN
32
n
9
GLN
32
A
TYR
33
n
10
TYR
33
A
LEU
34
n
11
LEU
34
A
GLY
35
n
12
GLY
35
A
GLN
36
n
13
GLN
36
A
ILE
37
n
14
ILE
37
A
GLN
38
n
15
GLN
38
A
HIS
39
n
16
HIS
39
A
ILE
40
n
17
ILE
40
A
LEU
41
n
18
LEU
41
A
ARG
42
n
19
ARG
42
A
CYS
43
n
20
CYS
43
A
GLY
44
n
21
GLY
44
A
VAL
45
n
22
VAL
45
A
ARG
46
n
23
ARG
46
A
LYS
47
n
24
LYS
47
A
ASP
48
n
25
ASP
48
A
ASP
49
n
26
ASP
49
A
ARG
50
n
27
ARG
50
A
THR
51
n
28
THR
51
A
GLY
52
n
29
GLY
52
A
THR
53
n
30
THR
53
A
GLY
54
n
31
GLY
54
A
THR
55
n
32
THR
55
A
LEU
56
n
33
LEU
56
A
SER
57
n
34
SER
57
A
VAL
58
n
35
VAL
58
A
PHE
59
n
36
PHE
59
A
GLY
60
n
37
GLY
60
A
MET
61
n
38
MET
61
A
GLN
62
n
39
GLN
62
A
ALA
63
n
40
ALA
63
A
ARG
64
n
41
ARG
64
A
TYR
65
n
42
TYR
65
A
SER
66
n
43
SER
66
A
LEU
67
n
44
LEU
67
A
ARG
68
n
45
ARG
68
A
ASP
69
n
46
ASP
69
A
GLU
70
n
47
GLU
70
A
PHE
71
n
48
PHE
71
A
PRO
72
n
49
PRO
72
A
LEU
73
n
50
LEU
73
A
LEU
74
n
51
LEU
74
A
THR
75
n
52
THR
75
A
THR
76
n
53
THR
76
A
LYS
77
n
54
LYS
77
A
ARG
78
n
55
ARG
78
A
VAL
79
n
56
VAL
79
A
PHE
80
n
57
PHE
80
A
TRP
81
n
58
TRP
81
A
LYS
82
n
59
LYS
82
A
GLY
83
n
60
GLY
83
A
VAL
84
n
61
VAL
84
A
LEU
85
n
62
LEU
85
A
GLU
86
n
63
GLU
86
A
GLU
87
n
64
GLU
87
A
LEU
88
n
65
LEU
88
A
LEU
89
n
66
LEU
89
A
TRP
90
n
67
TRP
90
A
PHE
91
n
68
PHE
91
A
ILE
92
n
69
ILE
92
A
LYS
93
n
70
LYS
93
A
GLY
94
n
71
GLY
94
A
SER
95
n
72
SER
95
A
THR
96
n
73
THR
96
A
ASN
97
n
74
ASN
97
A
ALA
98
n
75
ALA
98
A
LYS
99
n
76
LYS
99
A
GLU
100
n
77
GLU
100
A
LEU
101
n
78
LEU
101
A
SER
102
n
79
SER
102
A
SER
103
n
80
SER
103
A
LYS
104
n
81
LYS
104
A
GLY
105
n
82
GLY
105
A
VAL
106
n
83
VAL
106
A
LYS
107
n
84
LYS
107
A
ILE
108
n
85
ILE
108
A
TRP
109
n
86
TRP
109
A
ASP
110
n
87
ASP
110
A
ALA
111
n
88
ALA
111
A
ASN
112
n
89
ASN
112
A
GLY
113
n
90
GLY
113
A
SER
114
n
91
SER
114
A
ARG
115
n
92
ARG
115
A
ASP
116
n
93
ASP
116
A
PHE
117
n
94
PHE
117
A
LEU
118
n
95
LEU
118
A
ASP
119
n
96
ASP
119
A
SER
120
n
97
SER
120
A
LEU
121
n
98
LEU
121
A
GLY
122
n
99
GLY
122
A
PHE
123
n
100
PHE
123
A
SER
124
n
101
SER
124
A
THR
125
n
102
THR
125
A
ARG
126
n
103
ARG
126
A
GLU
127
n
104
GLU
127
A
GLU
128
n
105
GLU
128
A
GLY
129
n
106
GLY
129
A
ASP
130
n
107
ASP
130
A
LEU
131
n
108
LEU
131
A
GLY
132
n
109
GLY
132
A
PRO
133
n
110
PRO
133
A
VAL
134
n
111
VAL
134
A
TYR
135
n
112
TYR
135
A
GLY
136
n
113
GLY
136
A
PHE
137
n
114
PHE
137
A
GLN
138
n
115
GLN
138
A
TRP
139
n
116
TRP
139
A
ARG
140
n
117
ARG
140
A
HIS
141
n
118
HIS
141
A
PHE
142
n
119
PHE
142
A
GLY
143
n
120
GLY
143
A
ALA
144
n
121
ALA
144
A
GLU
145
n
122
GLU
145
A
TYR
146
n
123
TYR
146
A
ARG
147
n
124
ARG
147
A
ASP
148
n
125
ASP
148
A
MET
149
n
126
MET
149
A
GLU
150
n
127
GLU
150
A
SER
151
n
128
SER
151
A
ASP
152
n
129
ASP
152
A
TYR
153
n
130
TYR
153
A
SER
154
n
131
SER
154
A
GLY
155
n
132
GLY
155
A
GLN
156
n
133
GLN
156
A
GLY
157
n
134
GLY
157
A
VAL
158
n
135
VAL
158
A
ASP
159
n
136
ASP
159
A
GLN
160
n
137
GLN
160
A
LEU
161
n
138
LEU
161
A
GLN
162
n
139
GLN
162
A
ARG
163
n
140
ARG
163
A
VAL
164
n
141
VAL
164
A
ILE
165
n
142
ILE
165
A
ASP
166
n
143
ASP
166
A
THR
167
n
144
THR
167
A
ILE
168
n
145
ILE
168
A
LYS
169
n
146
LYS
169
A
THR
170
n
147
THR
170
A
ASN
171
n
148
ASN
171
A
PRO
172
n
149
PRO
172
A
ASP
173
n
150
ASP
173
A
ASP
174
n
151
ASP
174
A
ARG
175
n
152
ARG
175
A
ARG
176
n
153
ARG
176
A
ILE
177
n
154
ILE
177
A
ILE
178
n
155
ILE
178
A
MET
179
n
156
MET
179
A
CYS
180
n
157
CYS
180
A
ALA
181
n
158
ALA
181
A
TRP
182
n
159
TRP
182
A
ASN
183
n
160
ASN
183
A
PRO
184
n
161
PRO
184
A
ARG
185
n
162
ARG
185
A
ASP
186
n
163
ASP
186
A
LEU
187
n
164
LEU
187
A
PRO
188
n
165
PRO
188
A
LEU
189
n
166
LEU
189
A
MET
190
n
167
MET
190
A
ALA
191
n
168
ALA
191
A
LEU
192
n
169
LEU
192
A
PRO
193
n
170
PRO
193
A
PRO
194
n
171
PRO
194
A
CYS
195
n
172
CYS
195
A
HIS
196
n
173
HIS
196
A
ALA
197
n
174
ALA
197
A
LEU
198
n
175
LEU
198
A
CYS
199
n
176
CYS
199
A
GLN
200
n
177
GLN
200
A
PHE
201
n
178
PHE
201
A
TYR
202
n
179
TYR
202
A
VAL
203
n
180
VAL
203
A
VAL
204
n
181
VAL
204
A
ASN
205
n
182
ASN
205
A
SER
206
n
183
SER
206
A
GLU
207
n
184
GLU
207
A
LEU
208
n
185
LEU
208
A
SER
209
n
186
SER
209
A
CYS
210
n
187
CYS
210
A
GLN
211
n
188
GLN
211
A
LEU
212
n
189
LEU
212
A
TYR
213
n
190
TYR
213
A
GLN
214
n
191
GLN
214
A
ARG
215
n
192
ARG
215
A
SER
216
n
193
SER
216
A
GLY
217
n
194
GLY
217
A
ASP
218
n
195
ASP
218
A
MET
219
n
196
MET
219
A
GLY
220
n
197
GLY
220
A
LEU
221
n
198
LEU
221
A
GLY
222
n
199
GLY
222
A
VAL
223
n
200
VAL
223
A
PRO
224
n
201
PRO
224
A
PHE
225
n
202
PHE
225
A
ASN
226
n
203
ASN
226
A
ILE
227
n
204
ILE
227
A
ALA
228
n
205
ALA
228
A
SER
229
n
206
SER
229
A
TYR
230
n
207
TYR
230
A
ALA
231
n
208
ALA
231
A
LEU
232
n
209
LEU
232
A
LEU
233
n
210
LEU
233
A
THR
234
n
211
THR
234
A
TYR
235
n
212
TYR
235
A
MET
236
n
213
MET
236
A
ILE
237
n
214
ILE
237
A
ALA
238
n
215
ALA
238
A
HIS
239
n
216
HIS
239
A
ILE
240
n
217
ILE
240
A
THR
241
n
218
THR
241
A
GLY
242
n
219
GLY
242
A
LEU
243
n
220
LEU
243
A
LYS
244
n
221
LYS
244
A
PRO
245
n
222
PRO
245
A
GLY
246
n
223
GLY
246
A
ASP
247
n
224
ASP
247
A
PHE
248
n
225
PHE
248
A
ILE
249
n
226
ILE
249
A
HIS
250
n
227
HIS
250
A
THR
251
n
228
THR
251
A
LEU
252
n
229
LEU
252
A
GLY
253
n
230
GLY
253
A
ASP
254
n
231
ASP
254
A
ALA
255
n
232
ALA
255
A
HIS
256
n
233
HIS
256
A
ILE
257
n
234
ILE
257
A
TYR
258
n
235
TYR
258
A
LEU
259
n
236
LEU
259
A
ASN
260
n
237
ASN
260
A
HIS
261
n
238
HIS
261
A
ILE
262
n
239
ILE
262
A
GLU
263
n
240
GLU
263
A
PRO
264
n
241
PRO
264
A
LEU
265
n
242
LEU
265
A
LYS
266
n
243
LYS
266
A
ILE
267
n
244
ILE
267
A
GLN
268
n
245
GLN
268
A
LEU
269
n
246
LEU
269
A
GLN
270
n
247
GLN
270
A
ARG
271
n
248
ARG
271
A
GLU
272
n
249
GLU
272
A
PRO
273
n
250
PRO
273
A
ARG
274
n
251
ARG
274
A
PRO
275
n
252
PRO
275
A
PHE
276
n
253
PHE
276
A
PRO
277
n
254
PRO
277
A
LYS
278
n
255
LYS
278
A
LEU
279
n
256
LEU
279
A
ARG
280
n
257
ARG
280
A
ILE
281
n
258
ILE
281
A
LEU
282
n
259
LEU
282
A
ARG
283
n
260
ARG
283
A
LYS
284
n
261
LYS
284
A
VAL
285
n
262
VAL
285
A
GLU
286
n
263
GLU
286
A
LYS
287
n
264
LYS
287
A
ILE
288
n
265
ILE
288
A
ASP
289
n
266
ASP
289
A
ASP
290
n
267
ASP
290
A
PHE
291
n
268
PHE
291
A
LYS
292
n
269
LYS
292
A
ALA
293
n
270
ALA
293
A
GLU
294
n
271
GLU
294
A
ASP
295
n
272
ASP
295
A
PHE
296
n
273
PHE
296
A
GLN
297
n
274
GLN
297
A
ILE
298
n
275
ILE
298
A
GLU
299
n
276
GLU
299
A
GLY
300
n
277
GLY
300
A
TYR
301
n
278
TYR
301
A
ASN
302
n
279
ASN
302
A
PRO
303
n
280
PRO
303
A
HIS
304
n
281
HIS
304
A
PRO
305
n
282
PRO
305
A
THR
306
n
283
THR
306
A
n
284
307
A
n
285
308
A
n
286
309
A
n
287
310
A
n
288
311
A
n
289
312
A
n
290
313
A
n
1
1
B
n
2
2
B
n
3
3
B
n
4
4
B
n
5
5
B
SER
6
n
6
SER
6
B
GLU
30
n
7
GLU
30
B
LEU
31
n
8
LEU
31
B
GLN
32
n
9
GLN
32
B
TYR
33
n
10
TYR
33
B
LEU
34
n
11
LEU
34
B
GLY
35
n
12
GLY
35
B
GLN
36
n
13
GLN
36
B
ILE
37
n
14
ILE
37
B
GLN
38
n
15
GLN
38
B
HIS
39
n
16
HIS
39
B
ILE
40
n
17
ILE
40
B
LEU
41
n
18
LEU
41
B
ARG
42
n
19
ARG
42
B
CYS
43
n
20
CYS
43
B
GLY
44
n
21
GLY
44
B
VAL
45
n
22
VAL
45
B
ARG
46
n
23
ARG
46
B
LYS
47
n
24
LYS
47
B
ASP
48
n
25
ASP
48
B
ASP
49
n
26
ASP
49
B
ARG
50
n
27
ARG
50
B
THR
51
n
28
THR
51
B
GLY
52
n
29
GLY
52
B
THR
53
n
30
THR
53
B
GLY
54
n
31
GLY
54
B
THR
55
n
32
THR
55
B
LEU
56
n
33
LEU
56
B
SER
57
n
34
SER
57
B
VAL
58
n
35
VAL
58
B
PHE
59
n
36
PHE
59
B
GLY
60
n
37
GLY
60
B
MET
61
n
38
MET
61
B
GLN
62
n
39
GLN
62
B
ALA
63
n
40
ALA
63
B
ARG
64
n
41
ARG
64
B
TYR
65
n
42
TYR
65
B
SER
66
n
43
SER
66
B
LEU
67
n
44
LEU
67
B
ARG
68
n
45
ARG
68
B
ASP
69
n
46
ASP
69
B
GLU
70
n
47
GLU
70
B
PHE
71
n
48
PHE
71
B
PRO
72
n
49
PRO
72
B
LEU
73
n
50
LEU
73
B
LEU
74
n
51
LEU
74
B
THR
75
n
52
THR
75
B
THR
76
n
53
THR
76
B
LYS
77
n
54
LYS
77
B
ARG
78
n
55
ARG
78
B
VAL
79
n
56
VAL
79
B
PHE
80
n
57
PHE
80
B
TRP
81
n
58
TRP
81
B
LYS
82
n
59
LYS
82
B
GLY
83
n
60
GLY
83
B
VAL
84
n
61
VAL
84
B
LEU
85
n
62
LEU
85
B
GLU
86
n
63
GLU
86
B
GLU
87
n
64
GLU
87
B
LEU
88
n
65
LEU
88
B
LEU
89
n
66
LEU
89
B
TRP
90
n
67
TRP
90
B
PHE
91
n
68
PHE
91
B
ILE
92
n
69
ILE
92
B
LYS
93
n
70
LYS
93
B
GLY
94
n
71
GLY
94
B
SER
95
n
72
SER
95
B
THR
96
n
73
THR
96
B
ASN
97
n
74
ASN
97
B
ALA
98
n
75
ALA
98
B
LYS
99
n
76
LYS
99
B
GLU
100
n
77
GLU
100
B
LEU
101
n
78
LEU
101
B
SER
102
n
79
SER
102
B
SER
103
n
80
SER
103
B
LYS
104
n
81
LYS
104
B
GLY
105
n
82
GLY
105
B
VAL
106
n
83
VAL
106
B
LYS
107
n
84
LYS
107
B
ILE
108
n
85
ILE
108
B
TRP
109
n
86
TRP
109
B
ASP
110
n
87
ASP
110
B
ALA
111
n
88
ALA
111
B
ASN
112
n
89
ASN
112
B
GLY
113
n
90
GLY
113
B
SER
114
n
91
SER
114
B
ARG
115
n
92
ARG
115
B
ASP
116
n
93
ASP
116
B
PHE
117
n
94
PHE
117
B
LEU
118
n
95
LEU
118
B
ASP
119
n
96
ASP
119
B
SER
120
n
97
SER
120
B
LEU
121
n
98
LEU
121
B
GLY
122
n
99
GLY
122
B
PHE
123
n
100
PHE
123
B
SER
124
n
101
SER
124
B
THR
125
n
102
THR
125
B
ARG
126
n
103
ARG
126
B
GLU
127
n
104
GLU
127
B
GLU
128
n
105
GLU
128
B
GLY
129
n
106
GLY
129
B
ASP
130
n
107
ASP
130
B
LEU
131
n
108
LEU
131
B
GLY
132
n
109
GLY
132
B
PRO
133
n
110
PRO
133
B
VAL
134
n
111
VAL
134
B
TYR
135
n
112
TYR
135
B
GLY
136
n
113
GLY
136
B
PHE
137
n
114
PHE
137
B
GLN
138
n
115
GLN
138
B
TRP
139
n
116
TRP
139
B
ARG
140
n
117
ARG
140
B
HIS
141
n
118
HIS
141
B
PHE
142
n
119
PHE
142
B
GLY
143
n
120
GLY
143
B
ALA
144
n
121
ALA
144
B
GLU
145
n
122
GLU
145
B
TYR
146
n
123
TYR
146
B
ARG
147
n
124
ARG
147
B
ASP
148
n
125
ASP
148
B
MET
149
n
126
MET
149
B
GLU
150
n
127
GLU
150
B
SER
151
n
128
SER
151
B
ASP
152
n
129
ASP
152
B
TYR
153
n
130
TYR
153
B
SER
154
n
131
SER
154
B
GLY
155
n
132
GLY
155
B
GLN
156
n
133
GLN
156
B
GLY
157
n
134
GLY
157
B
VAL
158
n
135
VAL
158
B
ASP
159
n
136
ASP
159
B
GLN
160
n
137
GLN
160
B
LEU
161
n
138
LEU
161
B
GLN
162
n
139
GLN
162
B
ARG
163
n
140
ARG
163
B
VAL
164
n
141
VAL
164
B
ILE
165
n
142
ILE
165
B
ASP
166
n
143
ASP
166
B
THR
167
n
144
THR
167
B
ILE
168
n
145
ILE
168
B
LYS
169
n
146
LYS
169
B
THR
170
n
147
THR
170
B
ASN
171
n
148
ASN
171
B
PRO
172
n
149
PRO
172
B
ASP
173
n
150
ASP
173
B
ASP
174
n
151
ASP
174
B
ARG
175
n
152
ARG
175
B
ARG
176
n
153
ARG
176
B
ILE
177
n
154
ILE
177
B
ILE
178
n
155
ILE
178
B
MET
179
n
156
MET
179
B
CYS
180
n
157
CYS
180
B
ALA
181
n
158
ALA
181
B
TRP
182
n
159
TRP
182
B
ASN
183
n
160
ASN
183
B
PRO
184
n
161
PRO
184
B
ARG
185
n
162
ARG
185
B
ASP
186
n
163
ASP
186
B
LEU
187
n
164
LEU
187
B
PRO
188
n
165
PRO
188
B
LEU
189
n
166
LEU
189
B
MET
190
n
167
MET
190
B
ALA
191
n
168
ALA
191
B
LEU
192
n
169
LEU
192
B
PRO
193
n
170
PRO
193
B
PRO
194
n
171
PRO
194
B
CYS
195
n
172
CYS
195
B
HIS
196
n
173
HIS
196
B
ALA
197
n
174
ALA
197
B
LEU
198
n
175
LEU
198
B
CYS
199
n
176
CYS
199
B
GLN
200
n
177
GLN
200
B
PHE
201
n
178
PHE
201
B
TYR
202
n
179
TYR
202
B
VAL
203
n
180
VAL
203
B
VAL
204
n
181
VAL
204
B
ASN
205
n
182
ASN
205
B
SER
206
n
183
SER
206
B
GLU
207
n
184
GLU
207
B
LEU
208
n
185
LEU
208
B
SER
209
n
186
SER
209
B
CYS
210
n
187
CYS
210
B
GLN
211
n
188
GLN
211
B
LEU
212
n
189
LEU
212
B
TYR
213
n
190
TYR
213
B
GLN
214
n
191
GLN
214
B
ARG
215
n
192
ARG
215
B
SER
216
n
193
SER
216
B
GLY
217
n
194
GLY
217
B
ASP
218
n
195
ASP
218
B
MET
219
n
196
MET
219
B
GLY
220
n
197
GLY
220
B
LEU
221
n
198
LEU
221
B
GLY
222
n
199
GLY
222
B
VAL
223
n
200
VAL
223
B
PRO
224
n
201
PRO
224
B
PHE
225
n
202
PHE
225
B
ASN
226
n
203
ASN
226
B
ILE
227
n
204
ILE
227
B
ALA
228
n
205
ALA
228
B
SER
229
n
206
SER
229
B
TYR
230
n
207
TYR
230
B
ALA
231
n
208
ALA
231
B
LEU
232
n
209
LEU
232
B
LEU
233
n
210
LEU
233
B
THR
234
n
211
THR
234
B
TYR
235
n
212
TYR
235
B
MET
236
n
213
MET
236
B
ILE
237
n
214
ILE
237
B
ALA
238
n
215
ALA
238
B
HIS
239
n
216
HIS
239
B
ILE
240
n
217
ILE
240
B
THR
241
n
218
THR
241
B
GLY
242
n
219
GLY
242
B
LEU
243
n
220
LEU
243
B
LYS
244
n
221
LYS
244
B
PRO
245
n
222
PRO
245
B
GLY
246
n
223
GLY
246
B
ASP
247
n
224
ASP
247
B
PHE
248
n
225
PHE
248
B
ILE
249
n
226
ILE
249
B
HIS
250
n
227
HIS
250
B
THR
251
n
228
THR
251
B
LEU
252
n
229
LEU
252
B
GLY
253
n
230
GLY
253
B
ASP
254
n
231
ASP
254
B
ALA
255
n
232
ALA
255
B
HIS
256
n
233
HIS
256
B
ILE
257
n
234
ILE
257
B
TYR
258
n
235
TYR
258
B
LEU
259
n
236
LEU
259
B
ASN
260
n
237
ASN
260
B
HIS
261
n
238
HIS
261
B
ILE
262
n
239
ILE
262
B
GLU
263
n
240
GLU
263
B
PRO
264
n
241
PRO
264
B
LEU
265
n
242
LEU
265
B
LYS
266
n
243
LYS
266
B
ILE
267
n
244
ILE
267
B
GLN
268
n
245
GLN
268
B
LEU
269
n
246
LEU
269
B
GLN
270
n
247
GLN
270
B
ARG
271
n
248
ARG
271
B
GLU
272
n
249
GLU
272
B
PRO
273
n
250
PRO
273
B
ARG
274
n
251
ARG
274
B
PRO
275
n
252
PRO
275
B
PHE
276
n
253
PHE
276
B
PRO
277
n
254
PRO
277
B
LYS
278
n
255
LYS
278
B
LEU
279
n
256
LEU
279
B
ARG
280
n
257
ARG
280
B
ILE
281
n
258
ILE
281
B
LEU
282
n
259
LEU
282
B
ARG
283
n
260
ARG
283
B
LYS
284
n
261
LYS
284
B
VAL
285
n
262
VAL
285
B
GLU
286
n
263
GLU
286
B
LYS
287
n
264
LYS
287
B
ILE
288
n
265
ILE
288
B
ASP
289
n
266
ASP
289
B
ASP
290
n
267
ASP
290
B
PHE
291
n
268
PHE
291
B
LYS
292
n
269
LYS
292
B
ALA
293
n
270
ALA
293
B
GLU
294
n
271
GLU
294
B
ASP
295
n
272
ASP
295
B
PHE
296
n
273
PHE
296
B
GLN
297
n
274
GLN
297
B
ILE
298
n
275
ILE
298
B
GLU
299
n
276
GLU
299
B
GLY
300
n
277
GLY
300
B
TYR
301
n
278
TYR
301
B
ASN
302
n
279
ASN
302
B
PRO
303
n
280
PRO
303
B
HIS
304
n
281
HIS
304
B
PRO
305
n
282
PRO
305
B
THR
306
n
283
THR
306
B
n
284
307
B
n
285
308
B
n
286
309
B
n
287
310
B
n
288
311
B
n
289
312
B
n
290
313
B
author_and_software_defined_assembly
PISA
2
dimeric
7370
-33
20840
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
24
A
O
THR
55
A
O
THR
32
A
O
TYR
65
A
O
TYR
42
A
N
PHE
248
A
N
PHE
225
A
N
GLY
246
A
N
GLY
223
A
O
LEU
208
A
O
LEU
185
A
O
TYR
213
A
O
TYR
190
A
N
ALA
197
A
N
ALA
174
A
O
CYS
199
A
O
CYS
176
A
N
MET
179
A
N
MET
156
A
N
ARG
280
A
N
ARG
257
A
O
GLN
297
A
O
GLN
274
B
N
LYS
47
B
N
LYS
24
B
O
THR
55
B
O
THR
32
B
N
TYR
65
B
N
TYR
42
B
O
PHE
248
B
O
PHE
225
B
O
LYS
244
B
O
LYS
221
B
N
LEU
208
B
N
LEU
185
B
O
TYR
213
B
O
TYR
190
B
N
ALA
197
B
N
ALA
174
B
O
CYS
199
B
O
CYS
176
B
N
MET
179
B
N
MET
156
B
N
ARG
280
B
N
ARG
257
B
O
GLN
297
B
O
GLN
274
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
ILE
307
A
ILE
284
1
Y
1
A
LYS
308
A
LYS
285
1
Y
1
A
MET
309
A
MET
286
1
Y
1
A
GLU
310
A
GLU
287
1
Y
1
A
MET
311
A
MET
288
1
Y
1
A
ALA
312
A
ALA
289
1
Y
1
A
VAL
313
A
VAL
290
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
ILE
307
B
ILE
284
1
Y
1
B
LYS
308
B
LYS
285
1
Y
1
B
MET
309
B
MET
286
1
Y
1
B
GLU
310
B
GLU
287
1
Y
1
B
MET
311
B
MET
288
1
Y
1
B
ALA
312
B
ALA
289
1
Y
1
B
VAL
313
B
VAL
290
1
Y
1
A
ARG
42
-152.97
12.96
1
A
CYS
43
-166.47
-0.65
1
A
THR
51
-67.25
-98.92
1
A
GLU
70
-174.93
147.28
1
A
LEU
74
-35.36
135.52
1
A
PRO
133
-65.02
70.75
1
A
TYR
135
-23.17
-72.17
1
A
HIS
141
-140.61
39.07
1
A
ARG
147
-111.61
-76.08
1
A
ALA
191
-80.88
30.56
1
A
LEU
192
152.02
137.94
1
A
LEU
221
-132.05
-75.88
1
A
ASN
302
-114.45
70.74
1
A
PRO
305
-57.33
-179.07
1
B
PRO
72
-69.30
61.06
1
B
PHE
80
-65.83
74.72
1
B
PHE
123
-93.79
38.10
1
B
ARG
147
-108.29
-74.21
1
B
ASN
171
-154.86
69.88
1
B
HIS
196
-102.27
74.95
1
B
LEU
221
-128.47
-76.39
1
B
PRO
277
-71.97
-168.40
1
B
ASN
302
-100.36
70.73
1
B
PRO
305
-48.82
151.24
0.2620000
0.2070000
2.5
30.
2109
23071
21436
random
1
isotropic
THROUGHOUT
0.
0.
MOLECULAR REPLACEMENT
human TS 1HZW
Engh & Huber
2.5
30.
110
4710
104
0
4496
0.007
1.34
22.7
2.5
30.
1I00
0.
0.
0.0830000
1
5.6
92.8
0.4900000
2.5
2.6
1
48.5
phasing
AMoRE
refinement
CNS
0.9
data reduction
DENZO
data scaling
SCALEPACK
CRYSTAL STRUCTURE OF HUMAN THYMIDYLATE SYNTHASE, TERNARY COMPLEX WITH DUMP AND TOMUDEX
1
N
N
1
N
N
2
N
N
3
N
N
2
N
N
3
N
N
4
N
N
4
N
N
A
SER
6
A
SER
6
HELX_P
A
LEU
41
A
LEU
18
1
1
13
A
PHE
80
A
PHE
57
HELX_P
A
GLY
94
A
GLY
71
1
2
15
A
ALA
98
A
ALA
75
HELX_P
A
SER
103
A
SER
80
1
3
6
A
ASP
110
A
ASP
87
HELX_P
A
GLY
113
A
GLY
90
5
4
4
A
SER
114
A
SER
91
HELX_P
A
LEU
121
A
LEU
98
1
5
8
A
VAL
134
A
VAL
111
HELX_P
A
PHE
142
A
PHE
119
1
6
9
A
ASP
159
A
ASP
136
HELX_P
A
ASN
171
A
ASN
148
1
7
13
A
ASP
186
A
ASP
163
HELX_P
A
MET
190
A
MET
167
5
8
5
A
LEU
221
A
LEU
198
HELX_P
A
THR
241
A
THR
218
1
9
21
A
ASN
260
A
ASN
237
HELX_P
A
ILE
262
A
ILE
239
5
10
3
A
GLU
263
A
GLU
240
HELX_P
A
GLN
270
A
GLN
247
1
11
8
A
LYS
287
A
LYS
264
HELX_P
A
PHE
291
A
PHE
268
5
12
5
A
LYS
292
A
LYS
269
HELX_P
A
GLU
294
A
GLU
271
5
13
3
B
SER
6
B
SER
6
HELX_P
B
GLY
44
B
GLY
21
1
14
16
B
PHE
80
B
PHE
57
HELX_P
B
LYS
93
B
LYS
70
1
15
14
B
ASN
97
B
ASN
74
HELX_P
B
SER
103
B
SER
80
1
16
7
B
TRP
109
B
TRP
86
HELX_P
B
SER
114
B
SER
91
1
17
6
B
SER
114
B
SER
91
HELX_P
B
SER
120
B
SER
97
1
18
7
B
VAL
134
B
VAL
111
HELX_P
B
PHE
142
B
PHE
119
1
19
9
B
ASP
159
B
ASP
136
HELX_P
B
ASN
171
B
ASN
148
1
20
13
B
ASP
186
B
ASP
163
HELX_P
B
MET
190
B
MET
167
5
21
5
B
LEU
221
B
LEU
198
HELX_P
B
THR
241
B
THR
218
1
22
21
B
HIS
261
B
HIS
238
HELX_P
B
LEU
269
B
LEU
246
1
23
9
B
LYS
287
B
LYS
264
HELX_P
B
PHE
291
B
PHE
268
5
24
5
B
LYS
292
B
LYS
269
HELX_P
B
GLU
294
B
GLU
271
5
25
3
TRANSFERASE
thymidylate synthase, human, ternary complex, dUMP, Tomudex, open conformation, TRANSFERASE
TYSY_HUMAN
UNP
1
0
P04818
MPVAGSELPRRPLPPAAQERDAEPRPPHGELQYLGQIQHILRCGVRKDDRTGTGTLSVFGMQARYSLRDEFPLLTTKRVF
WKGVLEELLWFIKGSTNAKELSSKGVKIWDANGSRDFLDSLGFSTREEGDLGPVYGFQWRHFGAEYRDMESDYSGQGVDQ
LQRVIDTIKTNPDDRRIIMCAWNPRDLPLMALPPCHALCQFYVVNSELSCQLYQRSGDMGLGVPFNIASYALLTYMIAHI
TGLKPGDFIHTLGDAHIYLNHIEPLKIQLQREPRPFPKLRILRKVEKIDDFKAEDFQIEGYNPHPTIKMEMAV
1
313
1I00
1
313
P04818
A
1
1
290
1
313
1I00
1
313
P04818
B
1
1
290
1
GLU
deletion
1I00
A
P04818
UNP
6
1
LEU
deletion
1I00
A
P04818
UNP
7
1
PRO
deletion
1I00
A
P04818
UNP
8
1
ARG
deletion
1I00
A
P04818
UNP
9
1
ARG
deletion
1I00
A
P04818
UNP
10
1
PRO
deletion
1I00
A
P04818
UNP
11
1
LEU
deletion
1I00
A
P04818
UNP
12
1
PRO
deletion
1I00
A
P04818
UNP
13
1
PRO
deletion
1I00
A
P04818
UNP
14
1
ALA
deletion
1I00
A
P04818
UNP
15
1
ALA
deletion
1I00
A
P04818
UNP
16
1
GLN
deletion
1I00
A
P04818
UNP
17
1
GLU
deletion
1I00
A
P04818
UNP
18
1
ARG
deletion
1I00
A
P04818
UNP
19
1
ASP
deletion
1I00
A
P04818
UNP
20
1
ALA
deletion
1I00
A
P04818
UNP
21
1
GLU
deletion
1I00
A
P04818
UNP
22
1
PRO
deletion
1I00
A
P04818
UNP
23
1
ARG
deletion
1I00
A
P04818
UNP
24
1
PRO
deletion
1I00
A
P04818
UNP
25
1
PRO
deletion
1I00
A
P04818
UNP
26
1
HIS
deletion
1I00
A
P04818
UNP
27
1
GLY
deletion
1I00
A
P04818
UNP
28
2
GLU
deletion
1I00
B
P04818
UNP
6
2
LEU
deletion
1I00
B
P04818
UNP
7
2
PRO
deletion
1I00
B
P04818
UNP
8
2
ARG
deletion
1I00
B
P04818
UNP
9
2
ARG
deletion
1I00
B
P04818
UNP
10
2
PRO
deletion
1I00
B
P04818
UNP
11
2
LEU
deletion
1I00
B
P04818
UNP
12
2
PRO
deletion
1I00
B
P04818
UNP
13
2
PRO
deletion
1I00
B
P04818
UNP
14
2
ALA
deletion
1I00
B
P04818
UNP
15
2
ALA
deletion
1I00
B
P04818
UNP
16
2
GLN
deletion
1I00
B
P04818
UNP
17
2
GLU
deletion
1I00
B
P04818
UNP
18
2
ARG
deletion
1I00
B
P04818
UNP
19
2
ASP
deletion
1I00
B
P04818
UNP
20
2
ALA
deletion
1I00
B
P04818
UNP
21
2
GLU
deletion
1I00
B
P04818
UNP
22
2
PRO
deletion
1I00
B
P04818
UNP
23
2
ARG
deletion
1I00
B
P04818
UNP
24
2
PRO
deletion
1I00
B
P04818
UNP
25
2
PRO
deletion
1I00
B
P04818
UNP
26
2
HIS
deletion
1I00
B
P04818
UNP
27
2
GLY
deletion
1I00
B
P04818
UNP
28
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
A
VAL
45
A
VAL
22
A
ASP
48
A
ASP
25
A
GLY
54
A
GLY
31
A
SER
66
A
SER
43
A
LYS
244
A
LYS
221
A
TYR
258
A
TYR
235
A
GLU
207
A
GLU
184
A
ASP
218
A
ASP
195
A
HIS
196
A
HIS
173
A
VAL
204
A
VAL
181
A
ILE
178
A
ILE
155
A
CYS
180
A
CYS
157
A
LYS
278
A
LYS
255
A
ILE
281
A
ILE
258
A
PHE
296
A
PHE
273
A
GLU
299
A
GLU
276
B
VAL
45
B
VAL
22
B
LYS
47
B
LYS
24
B
THR
55
B
THR
32
B
SER
66
B
SER
43
B
LYS
244
B
LYS
221
B
TYR
258
B
TYR
235
B
GLU
207
B
GLU
184
B
ASP
218
B
ASP
195
B
HIS
196
B
HIS
173
B
VAL
204
B
VAL
181
B
ILE
178
B
ILE
155
B
CYS
180
B
CYS
157
B
LYS
278
B
LYS
255
B
ILE
281
B
ILE
258
B
PHE
296
B
PHE
273
B
GLU
299
B
GLU
276
BINDING SITE FOR RESIDUE UMP A 314
A
UMP
314
Software
14
BINDING SITE FOR RESIDUE UMP B 408
B
UMP
408
Software
16
BINDING SITE FOR RESIDUE D16 A 315
A
D16
315
Software
9
BINDING SITE FOR RESIDUE D16 B 409
B
D16
409
Software
8
A
ARG
50
A
ARG
27
14
1_555
A
CYS
195
A
CYS
172
14
1_555
A
HIS
196
A
HIS
173
14
1_555
A
GLN
214
A
GLN
191
14
1_555
A
ARG
215
A
ARG
192
14
1_555
A
SER
216
A
SER
193
14
1_555
A
ASP
218
A
ASP
195
14
1_555
A
GLY
222
A
GLY
199
14
1_555
A
ASN
226
A
ASN
203
14
1_555
A
HIS
256
A
HIS
233
14
1_555
A
TYR
258
A
TYR
235
14
1_555
A
D16
315
D
D16
14
1_555
B
ARG
175
B
ARG
152
14
1_555
B
ARG
176
B
ARG
153
14
1_555
A
ARG
175
A
ARG
152
16
1_555
A
ARG
176
A
ARG
153
16
1_555
B
ARG
50
B
ARG
27
16
1_555
B
CYS
195
B
CYS
172
16
1_555
B
HIS
196
B
HIS
173
16
1_555
B
GLN
214
B
GLN
191
16
1_555
B
ARG
215
B
ARG
192
16
1_555
B
SER
216
B
SER
193
16
1_555
B
ASP
218
B
ASP
195
16
1_555
B
GLY
222
B
GLY
199
16
1_555
B
VAL
223
B
VAL
200
16
1_555
B
ASN
226
B
ASN
203
16
1_555
B
HIS
256
B
HIS
233
16
1_555
B
TYR
258
B
TYR
235
16
1_555
B
D16
409
F
D16
16
1_555
B
HOH
542
H
HOH
16
1_555
A
PHE
80
A
PHE
57
9
1_555
A
ILE
108
A
ILE
85
9
1_555
A
TRP
109
A
TRP
86
9
1_555
A
ASP
218
A
ASP
195
9
1_555
A
LEU
221
A
LEU
198
9
1_555
A
GLY
222
A
GLY
199
9
1_555
A
PHE
225
A
PHE
202
9
1_555
A
TYR
258
A
TYR
235
9
1_555
A
UMP
314
C
UMP
9
1_555
B
PHE
80
B
PHE
57
8
1_555
B
TRP
109
B
TRP
86
8
1_555
B
ASP
218
B
ASP
195
8
1_555
B
LEU
221
B
LEU
198
8
1_555
B
GLY
222
B
GLY
199
8
1_555
B
PHE
225
B
PHE
202
8
1_555
B
TYR
258
B
TYR
235
8
1_555
B
UMP
408
E
UMP
8
1_555
152
P 31 2 1