0.026903
0.000000
0.002283
0.000000
0.023205
0.000000
0.000000
0.000000
0.016439
0.00000
0.00000
0.00000
Cody, V.
Galitsky, N.
Luft, J.R.
Pangborn, W.
Gangjee, A.
Devraj, R.
Queener, S.F.
Blakley, R.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
94.85
90.00
37.171
43.094
61.049
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
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 N6 O6
442.425
N-[4-[(2,4-DIAMINOFURO[2,3D]PYRIMIDIN-5-YL)METHYL]METHYLAMINO]-BENZOYL]-L-GLUTAMATE
non-polymer
C21 H30 N7 O17 P3
745.421
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
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
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
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
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
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
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
Y
250
N
N
Y
251
N
C
N
252
N
N
Y
253
N
N
Y
254
N
C
N
255
N
N
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
O
Y
260
N
C
N
261
N
C
N
262
N
N
N
263
N
C
Y
264
N
C
Y
265
N
C
Y
266
N
C
Y
267
N
C
Y
268
N
C
Y
269
N
C
N
270
N
C
N
271
N
O
N
272
N
N
N
273
S
C
N
274
N
C
N
275
N
O
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
O
N
282
N
H
N
283
N
H
N
284
N
H
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
S
P
N
305
N
O
N
306
N
O
N
307
N
O
N
308
N
C
N
309
R
C
N
310
N
O
N
311
R
C
N
312
N
O
N
313
R
C
N
314
N
O
N
315
R
C
Y
316
N
N
Y
317
N
C
Y
318
N
N
Y
319
N
C
Y
320
N
C
N
321
N
N
Y
322
N
N
Y
323
N
C
Y
324
N
N
Y
325
N
C
N
326
N
O
N
327
S
P
N
328
N
O
N
329
N
O
N
330
N
O
N
331
N
C
N
332
R
C
N
333
N
O
N
334
S
C
N
335
N
O
N
336
R
C
N
337
N
O
N
338
R
C
N
339
N
N
N
340
N
C
N
341
N
C
N
342
N
C
N
343
N
O
N
344
N
N
N
345
N
C
N
346
N
C
N
347
N
C
N
348
N
P
N
349
N
O
N
350
N
O
N
351
N
O
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
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
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
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
N
N
383
S
C
N
384
N
C
N
385
N
O
N
386
N
C
Y
387
N
C
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
Y
392
N
C
N
393
N
O
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
N
410
N
C
N
411
N
C
N
412
N
O
N
413
N
H
N
414
N
H
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
N
N
423
S
C
N
424
N
C
N
425
N
O
N
426
N
C
N
427
N
O
N
428
N
O
N
429
N
H
N
430
N
H
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
N
N
437
S
C
N
438
N
C
N
439
N
O
N
440
R
C
N
441
N
O
N
442
N
C
N
443
N
O
N
444
N
H
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
N
N
454
S
C
N
455
N
C
N
456
N
O
N
457
N
C
Y
458
N
C
Y
459
N
C
Y
460
N
C
Y
461
N
N
Y
462
N
C
Y
463
N
C
Y
464
N
C
Y
465
N
C
Y
466
N
C
N
467
N
O
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
478
N
H
N
479
N
H
N
480
N
N
N
481
S
C
N
482
N
C
N
483
N
O
N
484
N
C
Y
485
N
C
Y
486
N
C
Y
487
N
C
Y
488
N
C
Y
489
N
C
Y
490
N
C
N
491
N
O
N
492
N
O
N
493
N
H
N
494
N
H
N
495
N
H
N
496
N
H
N
497
N
H
N
498
N
H
N
499
N
H
N
500
N
H
N
501
N
H
N
502
N
H
N
503
N
H
N
504
N
N
N
505
S
C
N
506
N
C
N
507
N
O
N
508
N
C
N
509
N
C
N
510
N
C
N
511
N
O
N
512
N
H
N
513
N
H
N
514
N
H
N
515
N
H
N
516
N
H
N
517
N
H
N
518
N
H
N
519
N
H
N
520
N
H
N
521
N
H
N
522
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
N
251
N
sing
Y
252
N
sing
N
253
N
sing
Y
254
N
sing
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
Y
263
N
doub
Y
264
N
sing
N
265
N
sing
Y
266
N
sing
N
267
N
sing
Y
268
N
doub
N
269
N
sing
Y
270
N
sing
Y
271
N
doub
N
272
N
sing
N
273
N
sing
N
274
N
doub
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
doub
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
doub
N
291
N
sing
N
292
N
sing
N
293
N
doub
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
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
Y
316
N
sing
Y
317
N
sing
Y
318
N
doub
N
319
N
sing
Y
320
N
sing
Y
321
N
sing
Y
322
N
doub
N
323
N
sing
Y
324
N
doub
N
325
N
sing
N
326
N
sing
Y
327
N
sing
Y
328
N
doub
N
329
N
sing
Y
330
N
sing
N
331
N
sing
N
332
N
doub
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
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
sing
N
354
N
sing
N
355
N
sing
N
356
N
doub
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
doub
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
doub
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
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
Y
386
N
doub
Y
387
N
sing
Y
388
N
sing
N
389
N
sing
Y
390
N
doub
N
391
N
sing
Y
392
N
doub
N
393
N
sing
Y
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
doub
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
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
sing
N
419
N
sing
N
420
N
sing
N
421
N
doub
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
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
doub
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
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
doub
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
Y
455
N
doub
Y
456
N
sing
Y
457
N
sing
N
458
N
sing
Y
459
N
doub
Y
460
N
sing
Y
461
N
sing
N
462
N
sing
Y
463
N
sing
Y
464
N
doub
N
465
N
sing
Y
466
N
doub
N
467
N
sing
Y
468
N
sing
N
469
N
sing
N
470
N
sing
N
471
N
sing
N
472
N
sing
N
473
N
sing
N
474
N
sing
N
475
N
sing
N
476
N
sing
N
477
N
sing
N
478
N
doub
N
479
N
sing
N
480
N
sing
N
481
N
sing
N
482
N
sing
Y
483
N
doub
Y
484
N
sing
Y
485
N
sing
N
486
N
sing
Y
487
N
doub
N
488
N
sing
Y
489
N
doub
N
490
N
sing
Y
491
N
sing
N
492
N
sing
N
493
N
sing
N
494
N
sing
N
495
N
sing
N
496
N
sing
N
497
N
sing
N
498
N
sing
N
499
N
sing
N
500
N
sing
N
501
N
sing
N
502
N
doub
N
503
N
sing
N
504
N
sing
N
505
N
sing
N
506
N
sing
N
507
N
sing
N
508
N
sing
N
509
N
sing
N
510
N
sing
N
511
N
sing
N
512
N
sing
N
513
N
sing
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
53
638
649
10.1107/S090744499700509X
15299851
Comparison of ternary complexes of Pneumocystis carinii and wild-type human dihydrofolate reductase with coenzyme NADPH and a novel classical antitumor furo[2,3-d]pyrimidine antifolate.
1997
UK
Structure
STRUE6
2005
0969-2126
2
915
The Structure of Pneumocystis Carinii Dihydrofolate Reductase to 1.9 A Resolution
1994
10.2210/pdb1daj/pdb
pdb_00001daj
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
IMAGE PLATE
1994-07-14
RIGAKU RAXIS
x-ray
1
1.5418
1.0
1.5418
23918.537
DIHYDROFOLATE REDUCTASE
1.5.1.3
1
man
polymer
745.421
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
1
syn
non-polymer
442.425
N-[4-[(2,4-DIAMINOFURO[2,3D]PYRIMIDIN-5-YL)METHYL]METHYLAMINO]-BENZOYL]-L-GLUTAMATE
1
syn
non-polymer
18.015
water
50
nat
water
no
no
MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVI
TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF
RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL
MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVI
TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF
RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL
A
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
Pneumocystis
Escherichia
sample
C-DNA PNEUMOCYSTIS CARINII DHF
4754
Pneumocystis carinii
C-DNA PNEUMOCYSTIS CARINII DHFR
562
Escherichia coli
PT7-7
2.04
39.60
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Other
1
0
1997-12-24
1
1
2008-03-03
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1997-07-29
REL
NDP
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
MOT
N-[4-[(2,4-DIAMINOFURO[2,3D]PYRIMIDIN-5-YL)METHYL]METHYLAMINO]-BENZOYL]-L-GLUTAMATE
HOH
water
NDP
207
2
NDP
NDP
207
A
COE
208
3
MOT
MOT
208
A
HOH
208
4
HOH
HOH
209
A
HOH
209
4
HOH
HOH
210
A
HOH
210
4
HOH
HOH
211
A
HOH
211
4
HOH
HOH
212
A
HOH
212
4
HOH
HOH
213
A
HOH
213
4
HOH
HOH
214
A
HOH
214
4
HOH
HOH
215
A
HOH
215
4
HOH
HOH
216
A
HOH
216
4
HOH
HOH
217
A
HOH
217
4
HOH
HOH
218
A
HOH
218
4
HOH
HOH
219
A
HOH
219
4
HOH
HOH
220
A
HOH
220
4
HOH
HOH
221
A
HOH
221
4
HOH
HOH
222
A
HOH
222
4
HOH
HOH
223
A
HOH
223
4
HOH
HOH
224
A
HOH
224
4
HOH
HOH
225
A
HOH
225
4
HOH
HOH
226
A
HOH
226
4
HOH
HOH
227
A
HOH
227
4
HOH
HOH
228
A
HOH
228
4
HOH
HOH
229
A
HOH
229
4
HOH
HOH
230
A
HOH
230
4
HOH
HOH
231
A
HOH
231
4
HOH
HOH
232
A
HOH
232
4
HOH
HOH
233
A
HOH
233
4
HOH
HOH
234
A
HOH
234
4
HOH
HOH
235
A
HOH
235
4
HOH
HOH
236
A
HOH
236
4
HOH
HOH
237
A
HOH
237
4
HOH
HOH
238
A
HOH
238
4
HOH
HOH
239
A
HOH
239
4
HOH
HOH
240
A
HOH
240
4
HOH
HOH
241
A
HOH
241
4
HOH
HOH
242
A
HOH
242
4
HOH
HOH
243
A
HOH
243
4
HOH
HOH
244
A
HOH
244
4
HOH
HOH
245
A
HOH
245
4
HOH
HOH
246
A
HOH
246
4
HOH
HOH
247
A
HOH
247
4
HOH
HOH
248
A
HOH
248
4
HOH
HOH
249
A
HOH
249
4
HOH
HOH
250
A
HOH
250
4
HOH
HOH
251
A
HOH
251
4
HOH
HOH
252
A
HOH
252
4
HOH
HOH
253
A
HOH
253
4
HOH
HOH
254
A
HOH
254
4
HOH
HOH
255
A
HOH
255
4
HOH
HOH
256
A
HOH
256
4
HOH
HOH
257
A
HOH
257
4
HOH
HOH
258
A
MET
1
n
1
MET
1
A
ASN
2
n
2
ASN
2
A
GLN
3
n
3
GLN
3
A
GLN
4
n
4
GLN
4
A
LYS
5
n
5
LYS
5
A
SER
6
n
6
SER
6
A
LEU
7
n
7
LEU
7
A
THR
8
n
8
THR
8
A
LEU
9
n
9
LEU
9
A
ILE
10
n
10
ILE
10
A
VAL
11
n
11
VAL
11
A
ALA
12
n
12
ALA
12
A
LEU
13
n
13
LEU
13
A
THR
14
n
14
THR
14
A
THR
15
n
15
THR
15
A
SER
16
n
16
SER
16
A
TYR
17
n
17
TYR
17
A
GLY
18
n
18
GLY
18
A
ILE
19
n
19
ILE
19
A
GLY
20
n
20
GLY
20
A
ARG
21
n
21
ARG
21
A
SER
22
n
22
SER
22
A
ASN
23
n
23
ASN
23
A
SER
24
n
24
SER
24
A
LEU
25
n
25
LEU
25
A
PRO
26
n
26
PRO
26
A
TRP
27
n
27
TRP
27
A
LYS
28
n
28
LYS
28
A
LEU
29
n
29
LEU
29
A
LYS
30
n
30
LYS
30
A
LYS
31
n
31
LYS
31
A
GLU
32
n
32
GLU
32
A
ILE
33
n
33
ILE
33
A
SER
34
n
34
SER
34
A
TYR
35
n
35
TYR
35
A
PHE
36
n
36
PHE
36
A
LYS
37
n
37
LYS
37
A
ARG
38
n
38
ARG
38
A
VAL
39
n
39
VAL
39
A
THR
40
n
40
THR
40
A
SER
41
n
41
SER
41
A
PHE
42
n
42
PHE
42
A
VAL
43
n
43
VAL
43
A
PRO
44
n
44
PRO
44
A
THR
45
n
45
THR
45
A
PHE
46
n
46
PHE
46
A
ASP
47
n
47
ASP
47
A
SER
48
n
48
SER
48
A
PHE
49
n
49
PHE
49
A
GLU
50
n
50
GLU
50
A
SER
51
n
51
SER
51
A
MET
52
n
52
MET
52
A
ASN
53
n
53
ASN
53
A
VAL
54
n
54
VAL
54
A
VAL
55
n
55
VAL
55
A
LEU
56
n
56
LEU
56
A
MET
57
n
57
MET
57
A
GLY
58
n
58
GLY
58
A
ARG
59
n
59
ARG
59
A
LYS
60
n
60
LYS
60
A
THR
61
n
61
THR
61
A
TRP
62
n
62
TRP
62
A
GLU
63
n
63
GLU
63
A
SER
64
n
64
SER
64
A
ILE
65
n
65
ILE
65
A
PRO
66
n
66
PRO
66
A
LEU
67
n
67
LEU
67
A
GLN
68
n
68
GLN
68
A
PHE
69
n
69
PHE
69
A
ARG
70
n
70
ARG
70
A
PRO
71
n
71
PRO
71
A
LEU
72
n
72
LEU
72
A
LYS
73
n
73
LYS
73
A
GLY
74
n
74
GLY
74
A
ARG
75
n
75
ARG
75
A
ILE
76
n
76
ILE
76
A
ASN
77
n
77
ASN
77
A
VAL
78
n
78
VAL
78
A
VAL
79
n
79
VAL
79
A
ILE
80
n
80
ILE
80
A
THR
81
n
81
THR
81
A
ARG
82
n
82
ARG
82
A
ASN
83
n
83
ASN
83
A
GLU
84
n
84
GLU
84
A
SER
85
n
85
SER
85
A
LEU
86
n
86
LEU
86
A
ASP
87
n
87
ASP
87
A
LEU
88
n
88
LEU
88
A
GLY
89
n
89
GLY
89
A
ASN
90
n
90
ASN
90
A
GLY
91
n
91
GLY
91
A
ILE
92
n
92
ILE
92
A
HIS
93
n
93
HIS
93
A
SER
94
n
94
SER
94
A
ALA
95
n
95
ALA
95
A
LYS
96
n
96
LYS
96
A
SER
97
n
97
SER
97
A
LEU
98
n
98
LEU
98
A
ASP
99
n
99
ASP
99
A
HIS
100
n
100
HIS
100
A
ALA
101
n
101
ALA
101
A
LEU
102
n
102
LEU
102
A
GLU
103
n
103
GLU
103
A
LEU
104
n
104
LEU
104
A
LEU
105
n
105
LEU
105
A
TYR
106
n
106
TYR
106
A
ARG
107
n
107
ARG
107
A
THR
108
n
108
THR
108
A
TYR
109
n
109
TYR
109
A
GLY
110
n
110
GLY
110
A
SER
111
n
111
SER
111
A
GLU
112
n
112
GLU
112
A
SER
113
n
113
SER
113
A
SER
114
n
114
SER
114
A
VAL
115
n
115
VAL
115
A
GLN
116
n
116
GLN
116
A
ILE
117
n
117
ILE
117
A
ASN
118
n
118
ASN
118
A
ARG
119
n
119
ARG
119
A
ILE
120
n
120
ILE
120
A
PHE
121
n
121
PHE
121
A
VAL
122
n
122
VAL
122
A
ILE
123
n
123
ILE
123
A
GLY
124
n
124
GLY
124
A
GLY
125
n
125
GLY
125
A
ALA
126
n
126
ALA
126
A
GLN
127
n
127
GLN
127
A
LEU
128
n
128
LEU
128
A
TYR
129
n
129
TYR
129
A
LYS
130
n
130
LYS
130
A
ALA
131
n
131
ALA
131
A
ALA
132
n
132
ALA
132
A
MET
133
n
133
MET
133
A
ASP
134
n
134
ASP
134
A
HIS
135
n
135
HIS
135
A
PRO
136
n
136
PRO
136
A
LYS
137
n
137
LYS
137
A
LEU
138
n
138
LEU
138
A
ASP
139
n
139
ASP
139
A
ARG
140
n
140
ARG
140
A
ILE
141
n
141
ILE
141
A
MET
142
n
142
MET
142
A
ALA
143
n
143
ALA
143
A
THR
144
n
144
THR
144
A
ILE
145
n
145
ILE
145
A
ILE
146
n
146
ILE
146
A
TYR
147
n
147
TYR
147
A
LYS
148
n
148
LYS
148
A
ASP
149
n
149
ASP
149
A
ILE
150
n
150
ILE
150
A
HIS
151
n
151
HIS
151
A
CYS
152
n
152
CYS
152
A
ASP
153
n
153
ASP
153
A
VAL
154
n
154
VAL
154
A
PHE
155
n
155
PHE
155
A
PHE
156
n
156
PHE
156
A
PRO
157
n
157
PRO
157
A
LEU
158
n
158
LEU
158
A
LYS
159
n
159
LYS
159
A
PHE
160
n
160
PHE
160
A
ARG
161
n
161
ARG
161
A
ASP
162
n
162
ASP
162
A
LYS
163
n
163
LYS
163
A
GLU
164
n
164
GLU
164
A
TRP
165
n
165
TRP
165
A
SER
166
n
166
SER
166
A
SER
167
n
167
SER
167
A
VAL
168
n
168
VAL
168
A
TRP
169
n
169
TRP
169
A
LYS
170
n
170
LYS
170
A
LYS
171
n
171
LYS
171
A
GLU
172
n
172
GLU
172
A
LYS
173
n
173
LYS
173
A
HIS
174
n
174
HIS
174
A
SER
175
n
175
SER
175
A
ASP
176
n
176
ASP
176
A
LEU
177
n
177
LEU
177
A
GLU
178
n
178
GLU
178
A
SER
179
n
179
SER
179
A
TRP
180
n
180
TRP
180
A
VAL
181
n
181
VAL
181
A
GLY
182
n
182
GLY
182
A
THR
183
n
183
THR
183
A
LYS
184
n
184
LYS
184
A
VAL
185
n
185
VAL
185
A
PRO
186
n
186
PRO
186
A
HIS
187
n
187
HIS
187
A
GLY
188
n
188
GLY
188
A
LYS
189
n
189
LYS
189
A
ILE
190
n
190
ILE
190
A
ASN
191
n
191
ASN
191
A
GLU
192
n
192
GLU
192
A
ASP
193
n
193
ASP
193
A
GLY
194
n
194
GLY
194
A
PHE
195
n
195
PHE
195
A
ASP
196
n
196
ASP
196
A
TYR
197
n
197
TYR
197
A
GLU
198
n
198
GLU
198
A
PHE
199
n
199
PHE
199
A
GLU
200
n
200
GLU
200
A
MET
201
n
201
MET
201
A
TRP
202
n
202
TRP
202
A
THR
203
n
203
THR
203
A
ARG
204
n
204
ARG
204
A
ASP
205
n
205
ASP
205
A
LEU
206
n
206
LEU
206
A
author_defined_assembly
1
monomeric
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
ILE
190
A
O
ILE
190
A
N
TYR
197
A
N
TYR
197
A
O
GLU
198
A
O
GLU
198
A
N
ILE
145
A
N
ILE
145
A
O
ASP
139
A
O
ASP
139
A
N
LEU
7
A
N
LEU
7
A
O
THR
8
A
O
THR
8
A
N
ILE
120
A
N
ILE
120
A
O
PHE
121
A
O
PHE
121
A
N
VAL
54
A
N
VAL
54
A
O
VAL
55
A
O
VAL
55
A
N
ILE
76
A
N
ILE
76
A
O
VAL
79
A
O
VAL
79
A
N
HIS
93
A
N
HIS
93
1
A
A
N
OD1
SER
ASP
22
153
2.10
1
A
A
OG1
O
THR
HOH
8
236
2.11
1
10.79
1.40
123.60
134.39
A
A
A
CD
NE
CZ
ARG
ARG
ARG
21
21
21
N
1
3.71
0.50
120.30
124.01
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
21
21
21
N
1
9.37
1.40
123.60
132.97
A
A
A
CD
NE
CZ
ARG
ARG
ARG
38
38
38
N
1
4.31
0.50
120.30
124.61
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
59
59
59
N
1
14.52
1.40
123.60
138.12
A
A
A
CD
NE
CZ
ARG
ARG
ARG
75
75
75
N
1
6.40
0.50
120.30
126.70
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
75
75
75
N
1
-4.07
0.50
120.30
116.23
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
75
75
75
N
1
-3.07
0.50
120.30
117.23
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
107
107
107
N
1
3.74
0.50
120.30
124.04
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
119
119
119
N
1
5.93
0.90
118.30
124.23
A
A
A
CB
CG
OD1
ASP
ASP
ASP
153
153
153
N
1
3.24
0.50
120.30
123.54
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
161
161
161
N
1
11.12
0.90
118.30
129.42
A
A
A
CB
CG
OD1
ASP
ASP
ASP
162
162
162
N
1
-7.93
0.90
118.30
110.37
A
A
A
CB
CG
OD2
ASP
ASP
ASP
162
162
162
N
1
7.39
1.20
123.30
130.69
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
198
198
198
N
1
14.08
1.90
110.30
124.38
A
A
A
N
CA
CB
THR
THR
THR
203
203
203
N
1
A
ASN
2
-168.02
-51.52
1
A
GLN
4
-122.88
-59.70
1
A
ARG
21
-160.25
117.92
1
A
PRO
26
-79.04
41.70
1
A
TRP
27
-172.50
139.93
1
A
SER
48
-49.64
-7.42
1
A
LEU
86
-169.77
113.00
1
A
SER
111
-23.04
-30.59
1
A
ASN
118
-103.17
-70.85
1
A
TYR
147
-81.71
47.46
1
A
VAL
168
-93.87
-80.12
26.72
0.1810000
2.30
8.0
5631
1
2.30
8.0
42
1808
80
0
1686
0.012
0.020
0.038
0.030
0.033
0.045
1.327
1.750
2.112
2.500
1.212
1.750
1.768
2.500
0.010
0.020
0.136
0.150
0.213
0.500
0.284
0.500
0.273
0.500
1.8
3.0
20.4
15.0
27.3
15.0
1DAJ
5958
2.0
0.0700000
1
3.09
65.5
refinement
PROFFT
data reduction
R-AXIS
II
COMPARISON OF TERNARY COMPLEXES OF PNEUMOCYSTIS CARINII AND WILD TYPE HUMAN DIHYDROFOLATE REDUCTASE WITH COENZYME NADPH AND A NOVEL CLASSICAL ANTITUMOR FURO[2,3D]PYRIMIDINE ANTIFOLATE
1
N
N
2
N
N
3
N
N
4
N
N
A
LYS
30
A
LYS
30
HELX_P
A
SER
41
A
SER
41
1
1
12
A
PHE
46
A
PHE
46
HELX_P
A
SER
48
A
SER
48
5
2
3
A
ARG
59
A
ARG
59
HELX_P
A
SER
64
A
SER
64
1
3
6
A
LEU
98
A
LEU
98
HELX_P
A
THR
108
A
THR
108
1
4
11
A
ALA
126
A
ALA
126
HELX_P
A
MET
133
A
MET
133
1
5
8
A
LYS
163
A
LYS
163
HELX_P
A
TRP
165
A
TRP
165
5
6
3
A
HIS
174
A
HIS
174
HELX_P
A
VAL
181
A
VAL
181
1
7
8
OXIDOREDUCTASE
OXIDOREDUCTASE
A
ARG
70
A
ARG
70
1
A
PRO
71
A
PRO
71
-1.70
A
GLY
124
A
GLY
124
1
A
GLY
125
A
GLY
125
0.05
DYR_PNECA
UNP
1
1
P16184
MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVI
TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF
RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL
1
206
1DAJ
1
206
P16184
A
1
1
206
8
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
A
ILE
190
A
ILE
190
A
GLU
192
A
GLU
192
A
PHE
195
A
PHE
195
A
THR
203
A
THR
203
A
LEU
138
A
LEU
138
A
ILE
146
A
ILE
146
A
LEU
7
A
LEU
7
A
THR
14
A
THR
14
A
ILE
120
A
ILE
120
A
GLY
124
A
GLY
124
A
VAL
54
A
VAL
54
A
GLY
58
A
GLY
58
A
ILE
76
A
ILE
76
A
ILE
80
A
ILE
80
A
HIS
93
A
HIS
93
A
ALA
95
A
ALA
95
DESCRIPTION NOT PROVIDED
Unknown
11
BINDING SITE FOR RESIDUE NDP A 207
A
NDP
207
Software
23
BINDING SITE FOR RESIDUE MOT A 208
A
MOT
208
Software
14
A
ILE
10
A
ILE
10
11
1_555
A
LEU
25
A
LEU
25
11
1_555
A
TRP
27
A
TRP
27
11
1_555
A
GLU
32
A
GLU
32
11
1_555
A
ILE
33
A
ILE
33
11
1_555
A
PHE
36
A
PHE
36
11
1_555
A
ILE
65
A
ILE
65
11
1_555
A
PRO
66
A
PRO
66
11
1_555
A
ILE
123
A
ILE
123
11
1_555
A
TYR
129
A
TYR
129
11
1_555
A
THR
144
A
THR
144
11
1_555
A
ALA
12
A
ALA
12
23
1_555
A
ILE
19
A
ILE
19
23
1_555
A
GLY
20
A
GLY
20
23
1_555
A
ASN
23
A
ASN
23
23
1_555
A
SER
24
A
SER
24
23
1_555
A
GLY
58
A
GLY
58
23
1_555
A
ARG
59
A
ARG
59
23
1_555
A
LYS
60
A
LYS
60
23
1_555
A
THR
61
A
THR
61
23
1_555
A
ILE
80
A
ILE
80
23
1_555
A
THR
81
A
THR
81
23
1_555
A
ARG
82
A
ARG
82
23
1_555
A
ASN
83
A
ASN
83
23
1_555
A
LYS
96
A
LYS
96
23
1_555
A
ILE
123
A
ILE
123
23
1_555
A
GLY
125
A
GLY
125
23
1_555
A
ALA
126
A
ALA
126
23
1_555
A
GLN
127
A
GLN
127
23
1_555
A
LEU
128
A
LEU
128
23
1_555
A
TYR
129
A
TYR
129
23
1_555
A
VAL
154
A
VAL
154
23
1_555
A
MOT
208
C
MOT
23
1_555
A
HOH
240
D
HOH
23
1_555
A
ILE
10
A
ILE
10
14
1_555
A
VAL
11
A
VAL
11
14
1_555
A
LEU
25
A
LEU
25
14
1_555
A
GLU
32
A
GLU
32
14
1_555
A
ILE
33
A
ILE
33
14
1_555
A
PHE
36
A
PHE
36
14
1_555
A
LYS
37
A
LYS
37
14
1_555
A
PHE
69
A
PHE
69
14
1_555
A
LEU
72
A
LEU
72
14
1_555
A
ARG
75
A
ARG
75
14
1_555
A
ILE
123
A
ILE
123
14
1_555
A
TYR
129
A
TYR
129
14
1_555
A
NDP
207
B
NDP
14
1_555
A
HOH
246
D
HOH
14
1_555
4
P 1 21 1