0.010732
0.006196
0.000000
0.000000
0.012391
0.000000
0.000000
0.000000
0.013534
0.00000
0.00000
0.00000
GLY A 95 - GLY A 96 OMEGA = 359.57 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
GLY B 95 - GLY B 96 OMEGA = 1.14 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
Yennawar, H.P.
Farber, G.K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
93.181
93.185
73.886
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
Ca 2
40.078
CALCIUM ION
non-polymer
Cl -1
35.453
CHLORIDE ION
non-polymer
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
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C20 H22 N8 O5
454.439
METHOTREXATE
non-polymer
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
C H4 N2 O
60.055
UREA
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
CA
N
75
N
CL
N
76
N
N
N
77
R
C
N
78
N
C
N
79
N
O
N
80
N
C
N
81
N
S
N
82
N
O
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
N
N
91
S
C
N
92
N
C
N
93
N
O
N
94
N
C
N
95
N
C
N
96
N
C
N
97
N
O
N
98
N
N
N
99
N
O
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
H
N
109
N
H
N
110
N
N
N
111
S
C
N
112
N
C
N
113
N
O
N
114
N
C
N
115
N
C
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
O
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
N
N
130
N
C
N
131
N
C
N
132
N
O
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
N
N
140
S
C
N
141
N
C
N
142
N
O
N
143
N
C
Y
144
N
C
Y
145
N
N
Y
146
N
C
Y
147
N
C
Y
148
N
N
N
149
N
O
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
H
N
159
N
H
N
160
N
O
N
161
N
H
N
162
N
H
N
163
N
N
N
164
S
C
N
165
N
C
N
166
N
O
N
167
S
C
N
168
N
C
N
169
N
C
N
170
N
C
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
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
N
N
186
S
C
N
187
N
C
N
188
N
O
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
C
N
193
N
O
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
N
205
N
H
N
206
N
H
N
207
N
N
N
208
S
C
N
209
N
C
N
210
N
O
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
C
N
215
N
N
N
216
N
O
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
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
N
N
233
S
C
N
234
N
C
N
235
N
O
N
236
N
C
N
237
N
C
N
238
N
S
N
239
N
C
N
240
N
O
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
Y
252
N
N
Y
253
N
C
N
254
N
N
Y
255
N
N
Y
256
N
C
N
257
N
N
Y
258
N
C
Y
259
N
N
Y
260
N
C
Y
261
N
C
Y
262
N
N
Y
263
N
C
N
264
N
C
N
265
N
N
N
266
N
C
Y
267
N
C
Y
268
N
C
Y
269
N
C
Y
270
N
C
Y
271
N
C
Y
272
N
C
N
273
N
C
N
274
N
O
N
275
N
N
N
276
S
C
N
277
N
C
N
278
N
O
N
279
N
O
N
280
N
C
N
281
N
C
N
282
N
C
N
283
N
O
N
284
N
O
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
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
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
N
318
N
O
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
H
N
328
N
H
N
329
N
H
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
C
N
430
N
O
N
431
N
N
N
432
N
N
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
N
N
438
S
C
N
439
N
C
N
440
N
O
N
441
N
C
N
442
N
C
N
443
N
C
N
444
N
O
N
445
N
H
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
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
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
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
sing
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
doub
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
sing
N
236
N
sing
Y
237
N
doub
Y
238
N
sing
N
239
N
sing
Y
240
N
sing
N
241
N
sing
N
242
N
sing
Y
243
N
doub
N
244
N
sing
Y
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
sing
Y
249
N
doub
Y
250
N
doub
Y
251
N
sing
N
252
N
sing
Y
253
N
doub
N
254
N
sing
Y
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
Y
264
N
doub
Y
265
N
sing
N
266
N
sing
Y
267
N
sing
N
268
N
sing
Y
269
N
doub
N
270
N
sing
Y
271
N
sing
Y
272
N
doub
N
273
N
sing
N
274
N
sing
N
275
N
doub
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
doub
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
doub
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
sing
N
300
N
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
Y
305
N
doub
Y
306
N
sing
Y
307
N
sing
N
308
N
sing
Y
309
N
doub
N
310
N
sing
Y
311
N
doub
N
312
N
sing
Y
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
sing
N
323
N
doub
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
sing
N
340
N
doub
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
sing
N
353
N
doub
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
sing
N
369
N
doub
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
Y
374
N
doub
Y
375
N
sing
Y
376
N
sing
N
377
N
sing
Y
378
N
doub
Y
379
N
sing
Y
380
N
sing
N
381
N
sing
Y
382
N
sing
Y
383
N
doub
N
384
N
sing
Y
385
N
doub
N
386
N
sing
Y
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
sing
N
397
N
doub
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
Y
402
N
doub
Y
403
N
sing
Y
404
N
sing
N
405
N
sing
Y
406
N
doub
N
407
N
sing
Y
408
N
doub
N
409
N
sing
Y
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
doub
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
doub
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
US
Protein Sci.
PRCIEI
0795
0961-8368
6
1727
1733
9260285
The effect of denaturants on protein structure.
1997
10.2210/pdb1ddr/pdb
pdb_00001ddr
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
DIFFRACTOMETER
1994-01-11
RIGAKU AFC-6R
M
x-ray
1
1.54
1.0
1.54
18019.340
DIHYDROFOLATE REDUCTASE
1.5.1.3
2
nat
polymer
35.453
CHLORIDE ION
2
syn
non-polymer
454.439
METHOTREXATE
2
syn
non-polymer
60.055
UREA
5
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
179
nat
water
no
no
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
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
Escherichia
sample
37762
Escherichia coli
Escherichia coli
B
2.57
52.10
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
pdbx_struct_conn_angle
struct_conn
struct_keywords
struct_site
repository
Initial release
Version format compliance
Source and taxonomy
Version format compliance
Data collection
Database references
Derived calculations
Other
Structure summary
1
0
1995-10-15
1
1
2008-03-24
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr1_symmetry
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn.ptnr2_symmetry
_struct_keywords.text
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1995-06-29
REL
REL
CL
CHLORIDE ION
MTX
METHOTREXATE
URE
UREA
CA
CALCIUM ION
HOH
water
CL
201
2
CL
CL
201
A
MTX
200
3
MTX
MTX
200
A
URE
211
4
URE
URE
211
A
URE
212
4
URE
URE
212
A
URE
213
4
URE
URE
213
A
CL
202
2
CL
CL
202
B
CA
203
5
CA
CA
203
B
MTX
200
3
MTX
MTX
200
B
URE
214
4
URE
URE
214
B
URE
215
4
URE
URE
215
B
HOH
701
6
HOH
HOH
701
A
HOH
702
6
HOH
HOH
702
A
HOH
703
6
HOH
HOH
703
A
HOH
704
6
HOH
HOH
704
A
HOH
705
6
HOH
HOH
705
A
HOH
706
6
HOH
HOH
706
A
HOH
707
6
HOH
HOH
707
A
HOH
708
6
HOH
HOH
708
A
HOH
709
6
HOH
HOH
709
A
HOH
710
6
HOH
HOH
710
A
HOH
711
6
HOH
HOH
711
A
HOH
712
6
HOH
HOH
712
A
HOH
713
6
HOH
HOH
713
A
HOH
714
6
HOH
HOH
714
A
HOH
715
6
HOH
HOH
715
A
HOH
716
6
HOH
HOH
716
A
HOH
717
6
HOH
HOH
717
A
HOH
718
6
HOH
HOH
718
A
HOH
719
6
HOH
HOH
719
A
HOH
720
6
HOH
HOH
720
A
HOH
721
6
HOH
HOH
721
A
HOH
722
6
HOH
HOH
722
A
HOH
723
6
HOH
HOH
723
A
HOH
724
6
HOH
HOH
724
A
HOH
725
6
HOH
HOH
725
A
HOH
727
6
HOH
HOH
727
A
HOH
728
6
HOH
HOH
728
A
HOH
729
6
HOH
HOH
729
A
HOH
730
6
HOH
HOH
730
A
HOH
731
6
HOH
HOH
731
A
HOH
732
6
HOH
HOH
732
A
HOH
734
6
HOH
HOH
734
A
HOH
735
6
HOH
HOH
735
A
HOH
736
6
HOH
HOH
736
A
HOH
737
6
HOH
HOH
737
A
HOH
738
6
HOH
HOH
738
A
HOH
739
6
HOH
HOH
739
A
HOH
740
6
HOH
HOH
740
A
HOH
741
6
HOH
HOH
741
A
HOH
742
6
HOH
HOH
742
A
HOH
753
6
HOH
HOH
753
A
HOH
780
6
HOH
HOH
780
A
HOH
781
6
HOH
HOH
781
A
HOH
782
6
HOH
HOH
782
A
HOH
783
6
HOH
HOH
783
A
HOH
788
6
HOH
HOH
788
A
HOH
794
6
HOH
HOH
794
A
HOH
795
6
HOH
HOH
795
A
HOH
796
6
HOH
HOH
796
A
HOH
797
6
HOH
HOH
797
A
HOH
798
6
HOH
HOH
798
A
HOH
799
6
HOH
HOH
799
A
HOH
800
6
HOH
HOH
800
A
HOH
801
6
HOH
HOH
801
A
HOH
802
6
HOH
HOH
802
A
HOH
804
6
HOH
HOH
804
A
HOH
805
6
HOH
HOH
805
A
HOH
806
6
HOH
HOH
806
A
HOH
807
6
HOH
HOH
807
A
HOH
809
6
HOH
HOH
809
A
HOH
810
6
HOH
HOH
810
A
HOH
811
6
HOH
HOH
811
A
HOH
812
6
HOH
HOH
812
A
HOH
814
6
HOH
HOH
814
A
HOH
815
6
HOH
HOH
815
A
HOH
816
6
HOH
HOH
816
A
HOH
817
6
HOH
HOH
817
A
HOH
818
6
HOH
HOH
818
A
HOH
819
6
HOH
HOH
819
A
HOH
820
6
HOH
HOH
820
A
HOH
821
6
HOH
HOH
821
A
HOH
822
6
HOH
HOH
822
A
HOH
823
6
HOH
HOH
823
A
HOH
824
6
HOH
HOH
824
A
HOH
825
6
HOH
HOH
825
A
HOH
826
6
HOH
HOH
826
A
HOH
827
6
HOH
HOH
827
A
HOH
828
6
HOH
HOH
828
A
HOH
829
6
HOH
HOH
829
A
HOH
830
6
HOH
HOH
830
A
HOH
833
6
HOH
HOH
833
A
HOH
834
6
HOH
HOH
834
A
HOH
835
6
HOH
HOH
835
A
HOH
836
6
HOH
HOH
836
A
HOH
837
6
HOH
HOH
837
A
HOH
838
6
HOH
HOH
838
A
HOH
839
6
HOH
HOH
839
A
HOH
840
6
HOH
HOH
840
A
HOH
860
6
HOH
HOH
860
A
HOH
861
6
HOH
HOH
861
A
HOH
862
6
HOH
HOH
862
A
HOH
863
6
HOH
HOH
863
A
HOH
864
6
HOH
HOH
864
A
HOH
868
6
HOH
HOH
868
A
HOH
875
6
HOH
HOH
875
A
HOH
876
6
HOH
HOH
876
A
HOH
877
6
HOH
HOH
877
A
HOH
878
6
HOH
HOH
878
A
HOH
879
6
HOH
HOH
879
A
HOH
880
6
HOH
HOH
880
A
HOH
881
6
HOH
HOH
881
A
HOH
882
6
HOH
HOH
882
A
HOH
733
6
HOH
HOH
733
B
HOH
743
6
HOH
HOH
743
B
HOH
744
6
HOH
HOH
744
B
HOH
745
6
HOH
HOH
745
B
HOH
746
6
HOH
HOH
746
B
HOH
747
6
HOH
HOH
747
B
HOH
748
6
HOH
HOH
748
B
HOH
749
6
HOH
HOH
749
B
HOH
750
6
HOH
HOH
750
B
HOH
751
6
HOH
HOH
751
B
HOH
752
6
HOH
HOH
752
B
HOH
754
6
HOH
HOH
754
B
HOH
756
6
HOH
HOH
756
B
HOH
757
6
HOH
HOH
757
B
HOH
758
6
HOH
HOH
758
B
HOH
759
6
HOH
HOH
759
B
HOH
760
6
HOH
HOH
760
B
HOH
761
6
HOH
HOH
761
B
HOH
762
6
HOH
HOH
762
B
HOH
763
6
HOH
HOH
763
B
HOH
764
6
HOH
HOH
764
B
HOH
765
6
HOH
HOH
765
B
HOH
766
6
HOH
HOH
766
B
HOH
767
6
HOH
HOH
767
B
HOH
768
6
HOH
HOH
768
B
HOH
769
6
HOH
HOH
769
B
HOH
770
6
HOH
HOH
770
B
HOH
771
6
HOH
HOH
771
B
HOH
772
6
HOH
HOH
772
B
HOH
773
6
HOH
HOH
773
B
HOH
774
6
HOH
HOH
774
B
HOH
775
6
HOH
HOH
775
B
HOH
776
6
HOH
HOH
776
B
HOH
777
6
HOH
HOH
777
B
HOH
778
6
HOH
HOH
778
B
HOH
779
6
HOH
HOH
779
B
HOH
784
6
HOH
HOH
784
B
HOH
785
6
HOH
HOH
785
B
HOH
786
6
HOH
HOH
786
B
HOH
787
6
HOH
HOH
787
B
HOH
789
6
HOH
HOH
789
B
HOH
790
6
HOH
HOH
790
B
HOH
791
6
HOH
HOH
791
B
HOH
792
6
HOH
HOH
792
B
HOH
793
6
HOH
HOH
793
B
HOH
803
6
HOH
HOH
803
B
HOH
808
6
HOH
HOH
808
B
HOH
813
6
HOH
HOH
813
B
HOH
831
6
HOH
HOH
831
B
HOH
832
6
HOH
HOH
832
B
HOH
841
6
HOH
HOH
841
B
HOH
842
6
HOH
HOH
842
B
HOH
843
6
HOH
HOH
843
B
HOH
844
6
HOH
HOH
844
B
HOH
845
6
HOH
HOH
845
B
HOH
846
6
HOH
HOH
846
B
HOH
847
6
HOH
HOH
847
B
HOH
848
6
HOH
HOH
848
B
HOH
849
6
HOH
HOH
849
B
HOH
850
6
HOH
HOH
850
B
HOH
851
6
HOH
HOH
851
B
HOH
852
6
HOH
HOH
852
B
HOH
854
6
HOH
HOH
854
B
HOH
855
6
HOH
HOH
855
B
HOH
856
6
HOH
HOH
856
B
HOH
857
6
HOH
HOH
857
B
HOH
858
6
HOH
HOH
858
B
HOH
859
6
HOH
HOH
859
B
HOH
865
6
HOH
HOH
865
B
HOH
866
6
HOH
HOH
866
B
HOH
867
6
HOH
HOH
867
B
HOH
869
6
HOH
HOH
869
B
HOH
870
6
HOH
HOH
870
B
HOH
871
6
HOH
HOH
871
B
HOH
872
6
HOH
HOH
872
B
HOH
873
6
HOH
HOH
873
B
HOH
874
6
HOH
HOH
874
B
MET
1
n
1
MET
1
A
ILE
2
n
2
ILE
2
A
SER
3
n
3
SER
3
A
LEU
4
n
4
LEU
4
A
ILE
5
n
5
ILE
5
A
ALA
6
n
6
ALA
6
A
ALA
7
n
7
ALA
7
A
LEU
8
n
8
LEU
8
A
ALA
9
n
9
ALA
9
A
VAL
10
n
10
VAL
10
A
ASP
11
n
11
ASP
11
A
ARG
12
n
12
ARG
12
A
VAL
13
n
13
VAL
13
A
ILE
14
n
14
ILE
14
A
GLY
15
n
15
GLY
15
A
MET
16
n
16
MET
16
A
GLU
17
n
17
GLU
17
A
ASN
18
n
18
ASN
18
A
ALA
19
n
19
ALA
19
A
MET
20
n
20
MET
20
A
PRO
21
n
21
PRO
21
A
TRP
22
n
22
TRP
22
A
ASN
23
n
23
ASN
23
A
LEU
24
n
24
LEU
24
A
PRO
25
n
25
PRO
25
A
ALA
26
n
26
ALA
26
A
ASP
27
n
27
ASP
27
A
LEU
28
n
28
LEU
28
A
ALA
29
n
29
ALA
29
A
TRP
30
n
30
TRP
30
A
PHE
31
n
31
PHE
31
A
LYS
32
n
32
LYS
32
A
ARG
33
n
33
ARG
33
A
ASN
34
n
34
ASN
34
A
THR
35
n
35
THR
35
A
LEU
36
n
36
LEU
36
A
ASN
37
n
37
ASN
37
A
LYS
38
n
38
LYS
38
A
PRO
39
n
39
PRO
39
A
VAL
40
n
40
VAL
40
A
ILE
41
n
41
ILE
41
A
MET
42
n
42
MET
42
A
GLY
43
n
43
GLY
43
A
ARG
44
n
44
ARG
44
A
HIS
45
n
45
HIS
45
A
THR
46
n
46
THR
46
A
TRP
47
n
47
TRP
47
A
GLU
48
n
48
GLU
48
A
SER
49
n
49
SER
49
A
ILE
50
n
50
ILE
50
A
GLY
51
n
51
GLY
51
A
ARG
52
n
52
ARG
52
A
PRO
53
n
53
PRO
53
A
LEU
54
n
54
LEU
54
A
PRO
55
n
55
PRO
55
A
GLY
56
n
56
GLY
56
A
ARG
57
n
57
ARG
57
A
LYS
58
n
58
LYS
58
A
ASN
59
n
59
ASN
59
A
ILE
60
n
60
ILE
60
A
ILE
61
n
61
ILE
61
A
LEU
62
n
62
LEU
62
A
SER
63
n
63
SER
63
A
SER
64
n
64
SER
64
A
GLN
65
n
65
GLN
65
A
PRO
66
n
66
PRO
66
A
GLY
67
n
67
GLY
67
A
THR
68
n
68
THR
68
A
ASP
69
n
69
ASP
69
A
ASP
70
n
70
ASP
70
A
ARG
71
n
71
ARG
71
A
VAL
72
n
72
VAL
72
A
THR
73
n
73
THR
73
A
TRP
74
n
74
TRP
74
A
VAL
75
n
75
VAL
75
A
LYS
76
n
76
LYS
76
A
SER
77
n
77
SER
77
A
VAL
78
n
78
VAL
78
A
ASP
79
n
79
ASP
79
A
GLU
80
n
80
GLU
80
A
ALA
81
n
81
ALA
81
A
ILE
82
n
82
ILE
82
A
ALA
83
n
83
ALA
83
A
ALA
84
n
84
ALA
84
A
CYS
85
n
85
CYS
85
A
GLY
86
n
86
GLY
86
A
ASP
87
n
87
ASP
87
A
VAL
88
n
88
VAL
88
A
PRO
89
n
89
PRO
89
A
GLU
90
n
90
GLU
90
A
ILE
91
n
91
ILE
91
A
MET
92
n
92
MET
92
A
VAL
93
n
93
VAL
93
A
ILE
94
n
94
ILE
94
A
GLY
95
n
95
GLY
95
A
GLY
96
n
96
GLY
96
A
GLY
97
n
97
GLY
97
A
ARG
98
n
98
ARG
98
A
VAL
99
n
99
VAL
99
A
TYR
100
n
100
TYR
100
A
GLU
101
n
101
GLU
101
A
GLN
102
n
102
GLN
102
A
PHE
103
n
103
PHE
103
A
LEU
104
n
104
LEU
104
A
PRO
105
n
105
PRO
105
A
LYS
106
n
106
LYS
106
A
ALA
107
n
107
ALA
107
A
GLN
108
n
108
GLN
108
A
LYS
109
n
109
LYS
109
A
LEU
110
n
110
LEU
110
A
TYR
111
n
111
TYR
111
A
LEU
112
n
112
LEU
112
A
THR
113
n
113
THR
113
A
HIS
114
n
114
HIS
114
A
ILE
115
n
115
ILE
115
A
ASP
116
n
116
ASP
116
A
ALA
117
n
117
ALA
117
A
GLU
118
n
118
GLU
118
A
VAL
119
n
119
VAL
119
A
GLU
120
n
120
GLU
120
A
GLY
121
n
121
GLY
121
A
ASP
122
n
122
ASP
122
A
THR
123
n
123
THR
123
A
HIS
124
n
124
HIS
124
A
PHE
125
n
125
PHE
125
A
PRO
126
n
126
PRO
126
A
ASP
127
n
127
ASP
127
A
TYR
128
n
128
TYR
128
A
GLU
129
n
129
GLU
129
A
PRO
130
n
130
PRO
130
A
ASP
131
n
131
ASP
131
A
ASP
132
n
132
ASP
132
A
TRP
133
n
133
TRP
133
A
GLU
134
n
134
GLU
134
A
SER
135
n
135
SER
135
A
VAL
136
n
136
VAL
136
A
PHE
137
n
137
PHE
137
A
SER
138
n
138
SER
138
A
GLU
139
n
139
GLU
139
A
PHE
140
n
140
PHE
140
A
HIS
141
n
141
HIS
141
A
ASP
142
n
142
ASP
142
A
ALA
143
n
143
ALA
143
A
ASP
144
n
144
ASP
144
A
ALA
145
n
145
ALA
145
A
GLN
146
n
146
GLN
146
A
ASN
147
n
147
ASN
147
A
SER
148
n
148
SER
148
A
HIS
149
n
149
HIS
149
A
SER
150
n
150
SER
150
A
TYR
151
n
151
TYR
151
A
CYS
152
n
152
CYS
152
A
PHE
153
n
153
PHE
153
A
GLU
154
n
154
GLU
154
A
ILE
155
n
155
ILE
155
A
LEU
156
n
156
LEU
156
A
GLU
157
n
157
GLU
157
A
ARG
158
n
158
ARG
158
A
ARG
159
n
159
ARG
159
A
MET
1
n
1
MET
1
B
ILE
2
n
2
ILE
2
B
SER
3
n
3
SER
3
B
LEU
4
n
4
LEU
4
B
ILE
5
n
5
ILE
5
B
ALA
6
n
6
ALA
6
B
ALA
7
n
7
ALA
7
B
LEU
8
n
8
LEU
8
B
ALA
9
n
9
ALA
9
B
VAL
10
n
10
VAL
10
B
ASP
11
n
11
ASP
11
B
ARG
12
n
12
ARG
12
B
VAL
13
n
13
VAL
13
B
ILE
14
n
14
ILE
14
B
GLY
15
n
15
GLY
15
B
MET
16
n
16
MET
16
B
GLU
17
n
17
GLU
17
B
ASN
18
n
18
ASN
18
B
ALA
19
n
19
ALA
19
B
MET
20
n
20
MET
20
B
PRO
21
n
21
PRO
21
B
TRP
22
n
22
TRP
22
B
ASN
23
n
23
ASN
23
B
LEU
24
n
24
LEU
24
B
PRO
25
n
25
PRO
25
B
ALA
26
n
26
ALA
26
B
ASP
27
n
27
ASP
27
B
LEU
28
n
28
LEU
28
B
ALA
29
n
29
ALA
29
B
TRP
30
n
30
TRP
30
B
PHE
31
n
31
PHE
31
B
LYS
32
n
32
LYS
32
B
ARG
33
n
33
ARG
33
B
ASN
34
n
34
ASN
34
B
THR
35
n
35
THR
35
B
LEU
36
n
36
LEU
36
B
ASN
37
n
37
ASN
37
B
LYS
38
n
38
LYS
38
B
PRO
39
n
39
PRO
39
B
VAL
40
n
40
VAL
40
B
ILE
41
n
41
ILE
41
B
MET
42
n
42
MET
42
B
GLY
43
n
43
GLY
43
B
ARG
44
n
44
ARG
44
B
HIS
45
n
45
HIS
45
B
THR
46
n
46
THR
46
B
TRP
47
n
47
TRP
47
B
GLU
48
n
48
GLU
48
B
SER
49
n
49
SER
49
B
ILE
50
n
50
ILE
50
B
GLY
51
n
51
GLY
51
B
ARG
52
n
52
ARG
52
B
PRO
53
n
53
PRO
53
B
LEU
54
n
54
LEU
54
B
PRO
55
n
55
PRO
55
B
GLY
56
n
56
GLY
56
B
ARG
57
n
57
ARG
57
B
LYS
58
n
58
LYS
58
B
ASN
59
n
59
ASN
59
B
ILE
60
n
60
ILE
60
B
ILE
61
n
61
ILE
61
B
LEU
62
n
62
LEU
62
B
SER
63
n
63
SER
63
B
SER
64
n
64
SER
64
B
GLN
65
n
65
GLN
65
B
PRO
66
n
66
PRO
66
B
GLY
67
n
67
GLY
67
B
THR
68
n
68
THR
68
B
ASP
69
n
69
ASP
69
B
ASP
70
n
70
ASP
70
B
ARG
71
n
71
ARG
71
B
VAL
72
n
72
VAL
72
B
THR
73
n
73
THR
73
B
TRP
74
n
74
TRP
74
B
VAL
75
n
75
VAL
75
B
LYS
76
n
76
LYS
76
B
SER
77
n
77
SER
77
B
VAL
78
n
78
VAL
78
B
ASP
79
n
79
ASP
79
B
GLU
80
n
80
GLU
80
B
ALA
81
n
81
ALA
81
B
ILE
82
n
82
ILE
82
B
ALA
83
n
83
ALA
83
B
ALA
84
n
84
ALA
84
B
CYS
85
n
85
CYS
85
B
GLY
86
n
86
GLY
86
B
ASP
87
n
87
ASP
87
B
VAL
88
n
88
VAL
88
B
PRO
89
n
89
PRO
89
B
GLU
90
n
90
GLU
90
B
ILE
91
n
91
ILE
91
B
MET
92
n
92
MET
92
B
VAL
93
n
93
VAL
93
B
ILE
94
n
94
ILE
94
B
GLY
95
n
95
GLY
95
B
GLY
96
n
96
GLY
96
B
GLY
97
n
97
GLY
97
B
ARG
98
n
98
ARG
98
B
VAL
99
n
99
VAL
99
B
TYR
100
n
100
TYR
100
B
GLU
101
n
101
GLU
101
B
GLN
102
n
102
GLN
102
B
PHE
103
n
103
PHE
103
B
LEU
104
n
104
LEU
104
B
PRO
105
n
105
PRO
105
B
LYS
106
n
106
LYS
106
B
ALA
107
n
107
ALA
107
B
GLN
108
n
108
GLN
108
B
LYS
109
n
109
LYS
109
B
LEU
110
n
110
LEU
110
B
TYR
111
n
111
TYR
111
B
LEU
112
n
112
LEU
112
B
THR
113
n
113
THR
113
B
HIS
114
n
114
HIS
114
B
ILE
115
n
115
ILE
115
B
ASP
116
n
116
ASP
116
B
ALA
117
n
117
ALA
117
B
GLU
118
n
118
GLU
118
B
VAL
119
n
119
VAL
119
B
GLU
120
n
120
GLU
120
B
GLY
121
n
121
GLY
121
B
ASP
122
n
122
ASP
122
B
THR
123
n
123
THR
123
B
HIS
124
n
124
HIS
124
B
PHE
125
n
125
PHE
125
B
PRO
126
n
126
PRO
126
B
ASP
127
n
127
ASP
127
B
TYR
128
n
128
TYR
128
B
GLU
129
n
129
GLU
129
B
PRO
130
n
130
PRO
130
B
ASP
131
n
131
ASP
131
B
ASP
132
n
132
ASP
132
B
TRP
133
n
133
TRP
133
B
GLU
134
n
134
GLU
134
B
SER
135
n
135
SER
135
B
VAL
136
n
136
VAL
136
B
PHE
137
n
137
PHE
137
B
SER
138
n
138
SER
138
B
GLU
139
n
139
GLU
139
B
PHE
140
n
140
PHE
140
B
HIS
141
n
141
HIS
141
B
ASP
142
n
142
ASP
142
B
ALA
143
n
143
ALA
143
B
ASP
144
n
144
ASP
144
B
ALA
145
n
145
ALA
145
B
GLN
146
n
146
GLN
146
B
ASN
147
n
147
ASN
147
B
SER
148
n
148
SER
148
B
HIS
149
n
149
HIS
149
B
SER
150
n
150
SER
150
B
TYR
151
n
151
TYR
151
B
CYS
152
n
152
CYS
152
B
PHE
153
n
153
PHE
153
B
GLU
154
n
154
GLU
154
B
ILE
155
n
155
ILE
155
B
LEU
156
n
156
LEU
156
B
GLU
157
n
157
GLU
157
B
ARG
158
n
158
ARG
158
B
ARG
159
n
159
ARG
159
B
author_and_software_defined_assembly
PISA
2
dimeric
3900
-31
15630
A
ASN
18
A
OD1
ASN
18
2_665
B
CA
203
I
CA
CA
1_555
B
SER
135
B
O
SER
135
1_555
106.0
A
ASN
18
A
OD1
ASN
18
2_665
B
CA
203
I
CA
CA
1_555
B
ALA
143
B
O
ALA
143
2_665
83.1
B
SER
135
B
O
SER
135
1_555
B
CA
203
I
CA
CA
1_555
B
ALA
143
B
O
ALA
143
2_665
150.9
A
ASN
18
A
OD1
ASN
18
2_665
B
CA
203
I
CA
CA
1_555
B
HOH
808
N
O
HOH
1_555
148.0
B
SER
135
B
O
SER
135
1_555
B
CA
203
I
CA
CA
1_555
B
HOH
808
N
O
HOH
1_555
54.7
B
ALA
143
B
O
ALA
143
2_665
B
CA
203
I
CA
CA
1_555
B
HOH
808
N
O
HOH
1_555
126.8
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
O
GLU
134
A
O
GLU
134
A
N
GLU
157
A
N
GLU
157
A
O
CYS
152
A
O
CYS
152
A
N
HIS
114
A
N
HIS
114
A
O
GLN
108
A
O
GLN
108
A
N
ILE
2
A
N
ILE
2
A
O
SER
3
A
O
SER
3
A
N
ILE
91
A
N
ILE
91
A
O
MET
92
A
O
MET
92
A
N
PRO
39
A
N
PRO
39
A
O
VAL
40
A
O
VAL
40
A
N
LYS
58
A
N
LYS
58
A
O
ILE
61
A
O
ILE
61
A
N
THR
73
A
N
THR
73
A
O
GLU
139
A
O
GLU
139
A
N
PHE
153
A
N
PHE
153
B
O
GLU
134
B
O
GLU
134
B
N
GLU
157
B
N
GLU
157
B
O
CYS
152
B
O
CYS
152
B
N
HIS
114
B
N
HIS
114
B
O
GLN
108
B
O
GLN
108
B
N
ILE
2
B
N
ILE
2
B
O
SER
3
B
O
SER
3
B
N
ILE
91
B
N
ILE
91
B
O
MET
92
B
O
MET
92
B
N
PRO
39
B
N
PRO
39
B
O
VAL
40
B
O
VAL
40
B
N
LYS
58
B
N
LYS
58
B
O
ILE
61
B
O
ILE
61
B
N
THR
73
B
N
THR
73
1
A
CB
PRO
66
A
CB
PRO
66
1
Y
1
A
CG
PRO
66
A
CG
PRO
66
1
Y
1
A
CD
PRO
66
A
CD
PRO
66
1
Y
1
A
OG1
THR
68
A
OG1
THR
68
1
Y
1
A
CG2
THR
68
A
CG2
THR
68
1
Y
1
A
CG
LYS
76
A
CG
LYS
76
1
Y
1
A
CD
LYS
76
A
CD
LYS
76
1
Y
1
A
CE
LYS
76
A
CE
LYS
76
1
Y
1
A
NZ
LYS
76
A
NZ
LYS
76
1
Y
1
A
CG
LYS
106
A
CG
LYS
106
1
Y
1
A
CD
LYS
106
A
CD
LYS
106
1
Y
1
A
CE
LYS
106
A
CE
LYS
106
1
Y
1
A
NZ
LYS
106
A
NZ
LYS
106
1
Y
1
A
CG
GLU
129
A
CG
GLU
129
1
Y
1
A
CD
GLU
129
A
CD
GLU
129
1
Y
1
A
OE1
GLU
129
A
OE1
GLU
129
1
Y
1
A
OE2
GLU
129
A
OE2
GLU
129
1
Y
1
A
CG
ASP
131
A
CG
ASP
131
1
Y
1
A
OD1
ASP
131
A
OD1
ASP
131
1
Y
1
A
OD2
ASP
131
A
OD2
ASP
131
1
Y
1
A
CG
ARG
159
A
CG
ARG
159
1
Y
1
A
CD
ARG
159
A
CD
ARG
159
1
Y
1
A
NE
ARG
159
A
NE
ARG
159
1
Y
1
A
CZ
ARG
159
A
CZ
ARG
159
1
Y
1
A
NH1
ARG
159
A
NH1
ARG
159
1
Y
1
A
NH2
ARG
159
A
NH2
ARG
159
1
Y
1
B
CG
GLU
129
B
CG
GLU
129
1
Y
1
B
CD
GLU
129
B
CD
GLU
129
1
Y
1
B
OE1
GLU
129
B
OE1
GLU
129
1
Y
1
B
OE2
GLU
129
B
OE2
GLU
129
1
Y
1
B
CG
ASP
131
B
CG
ASP
131
1
Y
1
B
OD1
ASP
131
B
OD1
ASP
131
1
Y
1
B
OD2
ASP
131
B
OD2
ASP
131
1
Y
1
A
CA
MTX
200
WRONG HAND
1
B
CA
MTX
200
WRONG HAND
1
10.41
1.50
119.30
129.71
A
A
A
C
N
CA
MET
PRO
PRO
20
21
21
Y
1
11.35
1.50
119.30
130.65
A
A
A
C
N
CA
LEU
PRO
PRO
24
25
25
Y
1
14.67
2.30
115.30
129.97
B
B
B
CA
CB
CG
LEU
LEU
LEU
4
4
4
N
1
9.65
1.50
119.30
128.95
B
B
B
C
N
CA
GLU
PRO
PRO
129
130
130
Y
1
A
MET
16
-139.65
-32.80
1
A
GLU
17
-161.57
-72.22
1
A
PRO
21
-67.32
64.68
1
A
PRO
66
-22.96
117.38
1
A
THR
68
-79.36
36.46
1
A
ARG
71
-154.94
-29.22
1
A
GLN
108
-141.51
-8.94
1
A
ASP
116
-84.74
33.44
1
A
ASP
132
-160.98
-7.54
1
A
VAL
136
-109.25
-77.33
1
A
SER
138
-164.95
111.23
1
A
ALA
145
-63.03
3.37
1
B
ARG
12
59.01
18.20
1
B
ASN
18
-115.21
-168.42
1
B
TRP
22
178.83
157.41
1
B
ASN
37
70.82
31.25
1
B
SER
63
-179.74
128.64
1
B
ASP
127
-57.10
104.66
1
B
PRO
130
-66.13
5.35
1
B
ASP
131
-144.86
14.79
11.00
0.171
0.156
0.156
2.45
10.0
6948
33.0
1
2.0
2.45
10.0
179
2771
89
0
2503
0.013
2.067
26.15
1.770
2.45
30.0
1DDR
15448
0.11
1
1.0
100.0
model building
X-PLOR
3.1
refinement
X-PLOR
3.1
data reduction
TEXSAN
phasing
X-PLOR
3.1
MOLECULE: DIHYDROFOLATE REDUCTASE (E.C.1.5.1.3) COMPLEXED WITH METHOTREXATE AND UREA
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
4
N
N
2
N
N
5
N
N
3
N
N
4
N
N
4
N
N
6
N
N
6
N
N
A
VAL
10
A
VAL
10
HELX_P
A
ARG
12
A
ARG
12
5
1
3
A
PRO
25
A
PRO
25
HELX_P
A
THR
35
A
THR
35
1
2
11
A
ARG
44
A
ARG
44
HELX_P
A
ILE
50
A
ILE
50
1
3
7
A
VAL
78
A
VAL
78
HELX_P
A
CYS
85
A
CYS
85
1
4
8
A
GLY
97
A
GLY
97
HELX_P
A
LYS
106
A
LYS
106
1
5
10
B
VAL
10
B
VAL
10
HELX_P
B
ARG
12
B
ARG
12
5
6
3
B
PRO
25
B
PRO
25
HELX_P
B
THR
35
B
THR
35
1
7
11
B
ARG
44
B
ARG
44
HELX_P
B
ILE
50
B
ILE
50
1
8
7
B
VAL
78
B
VAL
78
HELX_P
B
CYS
85
B
CYS
85
1
9
8
B
GLY
97
B
GLY
97
HELX_P
B
LYS
106
B
LYS
106
1
10
10
metalc
2.200
A
ASN
18
A
OD1
ASN
18
2_665
B
CA
203
I
CA
CA
1_555
metalc
3.098
B
SER
135
B
O
SER
135
1_555
B
CA
203
I
CA
CA
1_555
metalc
2.145
B
ALA
143
B
O
ALA
143
2_665
B
CA
203
I
CA
CA
1_555
metalc
2.183
B
CA
203
I
CA
CA
1_555
B
HOH
808
N
O
HOH
1_555
OXIDOREDUCTASE
OXIDO-REDUCTASE, OXIDOREDUCTASE
A
GLY
95
A
GLY
95
1
A
GLY
96
A
GLY
96
1.77
B
GLY
95
B
GLY
95
1
B
GLY
96
B
GLY
96
0.79
DYR_ECOLI
UNP
1
1
P0ABQ4
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
1
159
1DDR
1
159
P0ABQ4
A
1
1
159
1
159
1DDR
1
159
P0ABQ4
B
1
1
159
8
2
8
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
A
TRP
133
A
TRP
133
A
SER
135
A
SER
135
A
TYR
151
A
TYR
151
A
ARG
158
A
ARG
158
A
ALA
107
A
ALA
107
A
ILE
115
A
ILE
115
A
ILE
2
A
ILE
2
A
ILE
5
A
ILE
5
A
ILE
91
A
ILE
91
A
GLY
95
A
GLY
95
A
PRO
39
A
PRO
39
A
GLY
43
A
GLY
43
A
LYS
58
A
LYS
58
A
LEU
62
A
LEU
62
A
THR
73
A
THR
73
A
VAL
75
A
VAL
75
A
SER
138
A
SER
138
A
HIS
141
A
HIS
141
A
TYR
151
A
TYR
151
A
GLU
154
A
GLU
154
B
TRP
133
B
TRP
133
B
HIS
141
B
HIS
141
B
TYR
151
B
TYR
151
B
ARG
158
B
ARG
158
B
ALA
107
B
ALA
107
B
ILE
115
B
ILE
115
B
ILE
2
B
ILE
2
B
LEU
8
B
LEU
8
B
ILE
91
B
ILE
91
B
GLY
95
B
GLY
95
B
PRO
39
B
PRO
39
B
GLY
43
B
GLY
43
B
LYS
58
B
LYS
58
B
LEU
62
B
LEU
62
B
THR
73
B
THR
73
B
VAL
75
B
VAL
75
BINDING SITE FOR RESIDUE CL A 201
A
CL
201
Software
3
BINDING SITE FOR RESIDUE CL B 202
B
CL
202
Software
4
BINDING SITE FOR RESIDUE CA B 203
B
CA
203
Software
4
BINDING SITE FOR RESIDUE MTX A 200
A
MTX
200
Software
12
BINDING SITE FOR RESIDUE MTX B 200
B
MTX
200
Software
14
BINDING SITE FOR RESIDUE URE A 211
A
URE
211
Software
6
BINDING SITE FOR RESIDUE URE A 212
A
URE
212
Software
1
BINDING SITE FOR RESIDUE URE A 213
A
URE
213
Software
1
BINDING SITE FOR RESIDUE URE B 214
B
URE
214
Software
5
BINDING SITE FOR RESIDUE URE B 215
B
URE
215
Software
6
A
GLY
43
A
GLY
43
3
1_555
A
ARG
44
A
ARG
44
3
1_555
A
HIS
45
A
HIS
45
3
1_555
B
GLY
43
B
GLY
43
4
1_555
B
ARG
44
B
ARG
44
4
1_555
B
HIS
45
B
HIS
45
4
1_555
B
THR
46
B
THR
46
4
1_555
A
ASN
18
A
ASN
18
4
2_665
B
SER
135
B
SER
135
4
1_555
B
ALA
143
B
ALA
143
4
2_665
B
HOH
808
N
HOH
4
1_555
A
ILE
5
A
ILE
5
12
1_555
A
ALA
6
A
ALA
6
12
1_555
A
ASP
27
A
ASP
27
12
1_555
A
PHE
31
A
PHE
31
12
1_555
A
LYS
32
A
LYS
32
12
1_555
A
THR
46
A
THR
46
12
1_555
A
ARG
52
A
ARG
52
12
1_555
A
LEU
54
A
LEU
54
12
1_555
A
ARG
57
A
ARG
57
12
1_555
A
ILE
94
A
ILE
94
12
1_555
A
TYR
100
A
TYR
100
12
1_555
A
THR
113
A
THR
113
12
1_555
B
ILE
5
B
ILE
5
14
1_555
B
ALA
6
B
ALA
6
14
1_555
B
ASP
27
B
ASP
27
14
1_555
B
LEU
28
B
LEU
28
14
1_555
B
TRP
30
B
TRP
30
14
1_555
B
PHE
31
B
PHE
31
14
1_555
B
LYS
32
B
LYS
32
14
1_555
B
ILE
50
B
ILE
50
14
1_555
B
ARG
52
B
ARG
52
14
1_555
B
LEU
54
B
LEU
54
14
1_555
B
ARG
57
B
ARG
57
14
1_555
B
ILE
94
B
ILE
94
14
1_555
B
TYR
100
B
TYR
100
14
1_555
B
THR
113
B
THR
113
14
1_555
A
ARG
44
A
ARG
44
6
1_555
A
SER
63
A
SER
63
6
1_555
A
GLN
65
A
GLN
65
6
1_555
A
HOH
800
M
HOH
6
1_555
B
GLU
139
B
GLU
139
6
3_564
B
PHE
140
B
PHE
140
6
3_564
A
ARG
52
A
ARG
52
1
1_555
A
LYS
76
A
LYS
76
1
1_555
B
GLY
56
B
GLY
56
5
6_655
B
ASP
122
B
ASP
122
5
1_555
B
THR
123
B
THR
123
5
1_555
B
HIS
124
B
HIS
124
5
1_555
B
HOH
803
N
HOH
5
6_655
B
ARG
57
B
ARG
57
6
1_555
B
LYS
58
B
LYS
58
6
1_555
B
ASN
59
B
ASN
59
6
1_555
B
ARG
71
B
ARG
71
6
1_555
B
VAL
72
B
VAL
72
6
1_555
B
ARG
98
B
ARG
98
6
5_564
169
P 61