0.011478
0.006627
0.000000
0.000000
0.013254
0.000000
0.000000
0.000000
0.012985
0.00000
0.00000
0.00000
Cody, V.
Galitsky, N.
Luft, J.R.
Pangborn, W.
Blakley, R.L.
Gangjee, A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
9
90.00
90.00
120.00
87.120
87.120
77.014
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
UK
Anti-Cancer Drug Des.
ACDDEA
0807
0266-9536
13
307
315
9627670
Comparison of ternary crystal complexes of F31 variants of human dihydrofolate reductase with NADPH and a classical antitumor furopyrimidine.
1998
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
53
638
Comparison of Ternary Complexes of Pneumocystis Carinii and Wild-Type Human Dihydrofolate Reductase with a Novel Classical Antitumor Furo[2,3-D]Pyrimidine Antifolate
1997
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
270
5057
Methotrexate-Resistant Variants of Human Dihydrofolate Reductase with Substitutions of Leucine 22. Kinetics, Crystallography, and Potential as Selectable Markers
1995
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
269
9547
Methotrexate-Resistant Variants of Human Dihydrofolate Reductase. Effects of Phe31 Substitutions
1994
UK
Anti-Cancer Drug Des.
ACDDEA
0807
0266-9536
7
483
Crystal Structure Determination at 2.3 A of Recombinant Human Dihydrofolate Reductase Ternary Complex with Nadph and Methotrexate-Gamma-Tetrazole
1992
10.2210/pdb1hfq/pdb
pdb_00001hfq
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
1993-05-10
RIGAKU
x-ray
1
1.5418
1.0
1.5418
COMPLEXED WITH NADPH AND FURO[2,3D]FUROPYRIMIDINE
21289.430
DIHYDROFOLATE REDUCTASE
1.5.1.3
F31S
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
51
nat
water
DHFR
no
no
VGSLNCIVAVSQNMGIGKNGDLPWPPLRNESRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
EYPGVLSDVQEEKGIKYKFEVYEKND
VGSLNCIVAVSQNMGIGKNGDLPWPPLRNESRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
EYPGVLSDVQEEKGIKYKFEVYEKND
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
human
Homo
Escherichia
sample
POTENTIAL
9606
Homo sapiens
562
Escherichia coli
JM107, F31S MUTANT
2.54
48.
database_2
pdbx_database_status
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Non-polymer description
Database references
Derived calculations
Other
Data collection
1
0
1998-01-28
1
1
2008-03-03
1
2
2011-07-13
1
3
2013-12-11
1
4
2021-11-03
1
5
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1997-11-04
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
NAP
187
2
NDP
NDP
187
A
MOT
187
3
MOT
MOT
188
A
HOH
188
4
HOH
HOH
189
A
HOH
189
4
HOH
HOH
190
A
HOH
190
4
HOH
HOH
191
A
HOH
191
4
HOH
HOH
192
A
HOH
192
4
HOH
HOH
193
A
HOH
193
4
HOH
HOH
194
A
HOH
194
4
HOH
HOH
195
A
HOH
195
4
HOH
HOH
196
A
HOH
196
4
HOH
HOH
197
A
HOH
197
4
HOH
HOH
198
A
HOH
198
4
HOH
HOH
199
A
HOH
199
4
HOH
HOH
200
A
HOH
200
4
HOH
HOH
201
A
HOH
201
4
HOH
HOH
202
A
HOH
202
4
HOH
HOH
203
A
HOH
203
4
HOH
HOH
204
A
HOH
204
4
HOH
HOH
205
A
HOH
205
4
HOH
HOH
206
A
HOH
206
4
HOH
HOH
207
A
HOH
207
4
HOH
HOH
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
VAL
1
n
1
VAL
1
A
GLY
2
n
2
GLY
2
A
SER
3
n
3
SER
3
A
LEU
4
n
4
LEU
4
A
ASN
5
n
5
ASN
5
A
CYS
6
n
6
CYS
6
A
ILE
7
n
7
ILE
7
A
VAL
8
n
8
VAL
8
A
ALA
9
n
9
ALA
9
A
VAL
10
n
10
VAL
10
A
SER
11
n
11
SER
11
A
GLN
12
n
12
GLN
12
A
ASN
13
n
13
ASN
13
A
MET
14
n
14
MET
14
A
GLY
15
n
15
GLY
15
A
ILE
16
n
16
ILE
16
A
GLY
17
n
17
GLY
17
A
LYS
18
n
18
LYS
18
A
ASN
19
n
19
ASN
19
A
GLY
20
n
20
GLY
20
A
ASP
21
n
21
ASP
21
A
LEU
22
n
22
LEU
22
A
PRO
23
n
23
PRO
23
A
TRP
24
n
24
TRP
24
A
PRO
25
n
25
PRO
25
A
PRO
26
n
26
PRO
26
A
LEU
27
n
27
LEU
27
A
ARG
28
n
28
ARG
28
A
ASN
29
n
29
ASN
29
A
GLU
30
n
30
GLU
30
A
SER
31
n
31
SER
31
A
ARG
32
n
32
ARG
32
A
TYR
33
n
33
TYR
33
A
PHE
34
n
34
PHE
34
A
GLN
35
n
35
GLN
35
A
ARG
36
n
36
ARG
36
A
MET
37
n
37
MET
37
A
THR
38
n
38
THR
38
A
THR
39
n
39
THR
39
A
THR
40
n
40
THR
40
A
SER
41
n
41
SER
41
A
SER
42
n
42
SER
42
A
VAL
43
n
43
VAL
43
A
GLU
44
n
44
GLU
44
A
GLY
45
n
45
GLY
45
A
LYS
46
n
46
LYS
46
A
GLN
47
n
47
GLN
47
A
ASN
48
n
48
ASN
48
A
LEU
49
n
49
LEU
49
A
VAL
50
n
50
VAL
50
A
ILE
51
n
51
ILE
51
A
MET
52
n
52
MET
52
A
GLY
53
n
53
GLY
53
A
LYS
54
n
54
LYS
54
A
LYS
55
n
55
LYS
55
A
THR
56
n
56
THR
56
A
TRP
57
n
57
TRP
57
A
PHE
58
n
58
PHE
58
A
SER
59
n
59
SER
59
A
ILE
60
n
60
ILE
60
A
PRO
61
n
61
PRO
61
A
GLU
62
n
62
GLU
62
A
LYS
63
n
63
LYS
63
A
ASN
64
n
64
ASN
64
A
ARG
65
n
65
ARG
65
A
PRO
66
n
66
PRO
66
A
LEU
67
n
67
LEU
67
A
LYS
68
n
68
LYS
68
A
GLY
69
n
69
GLY
69
A
ARG
70
n
70
ARG
70
A
ILE
71
n
71
ILE
71
A
ASN
72
n
72
ASN
72
A
LEU
73
n
73
LEU
73
A
VAL
74
n
74
VAL
74
A
LEU
75
n
75
LEU
75
A
SER
76
n
76
SER
76
A
ARG
77
n
77
ARG
77
A
GLU
78
n
78
GLU
78
A
LEU
79
n
79
LEU
79
A
LYS
80
n
80
LYS
80
A
GLU
81
n
81
GLU
81
A
PRO
82
n
82
PRO
82
A
PRO
83
n
83
PRO
83
A
GLN
84
n
84
GLN
84
A
GLY
85
n
85
GLY
85
A
ALA
86
n
86
ALA
86
A
HIS
87
n
87
HIS
87
A
PHE
88
n
88
PHE
88
A
LEU
89
n
89
LEU
89
A
SER
90
n
90
SER
90
A
ARG
91
n
91
ARG
91
A
SER
92
n
92
SER
92
A
LEU
93
n
93
LEU
93
A
ASP
94
n
94
ASP
94
A
ASP
95
n
95
ASP
95
A
ALA
96
n
96
ALA
96
A
LEU
97
n
97
LEU
97
A
LYS
98
n
98
LYS
98
A
LEU
99
n
99
LEU
99
A
THR
100
n
100
THR
100
A
GLU
101
n
101
GLU
101
A
GLN
102
n
102
GLN
102
A
PRO
103
n
103
PRO
103
A
GLU
104
n
104
GLU
104
A
LEU
105
n
105
LEU
105
A
ALA
106
n
106
ALA
106
A
ASN
107
n
107
ASN
107
A
LYS
108
n
108
LYS
108
A
VAL
109
n
109
VAL
109
A
ASP
110
n
110
ASP
110
A
MET
111
n
111
MET
111
A
VAL
112
n
112
VAL
112
A
TRP
113
n
113
TRP
113
A
ILE
114
n
114
ILE
114
A
VAL
115
n
115
VAL
115
A
GLY
116
n
116
GLY
116
A
GLY
117
n
117
GLY
117
A
SER
118
n
118
SER
118
A
SER
119
n
119
SER
119
A
VAL
120
n
120
VAL
120
A
TYR
121
n
121
TYR
121
A
LYS
122
n
122
LYS
122
A
GLU
123
n
123
GLU
123
A
ALA
124
n
124
ALA
124
A
MET
125
n
125
MET
125
A
ASN
126
n
126
ASN
126
A
HIS
127
n
127
HIS
127
A
PRO
128
n
128
PRO
128
A
GLY
129
n
129
GLY
129
A
HIS
130
n
130
HIS
130
A
LEU
131
n
131
LEU
131
A
LYS
132
n
132
LYS
132
A
LEU
133
n
133
LEU
133
A
PHE
134
n
134
PHE
134
A
VAL
135
n
135
VAL
135
A
THR
136
n
136
THR
136
A
ARG
137
n
137
ARG
137
A
ILE
138
n
138
ILE
138
A
MET
139
n
139
MET
139
A
GLN
140
n
140
GLN
140
A
ASP
141
n
141
ASP
141
A
PHE
142
n
142
PHE
142
A
GLU
143
n
143
GLU
143
A
SER
144
n
144
SER
144
A
ASP
145
n
145
ASP
145
A
THR
146
n
146
THR
146
A
PHE
147
n
147
PHE
147
A
PHE
148
n
148
PHE
148
A
PRO
149
n
149
PRO
149
A
GLU
150
n
150
GLU
150
A
ILE
151
n
151
ILE
151
A
ASP
152
n
152
ASP
152
A
LEU
153
n
153
LEU
153
A
GLU
154
n
154
GLU
154
A
LYS
155
n
155
LYS
155
A
TYR
156
n
156
TYR
156
A
LYS
157
n
157
LYS
157
A
LEU
158
n
158
LEU
158
A
LEU
159
n
159
LEU
159
A
PRO
160
n
160
PRO
160
A
GLU
161
n
161
GLU
161
A
TYR
162
n
162
TYR
162
A
PRO
163
n
163
PRO
163
A
GLY
164
n
164
GLY
164
A
VAL
165
n
165
VAL
165
A
LEU
166
n
166
LEU
166
A
SER
167
n
167
SER
167
A
ASP
168
n
168
ASP
168
A
VAL
169
n
169
VAL
169
A
GLN
170
n
170
GLN
170
A
GLU
171
n
171
GLU
171
A
GLU
172
n
172
GLU
172
A
LYS
173
n
173
LYS
173
A
GLY
174
n
174
GLY
174
A
ILE
175
n
175
ILE
175
A
LYS
176
n
176
LYS
176
A
TYR
177
n
177
TYR
177
A
LYS
178
n
178
LYS
178
A
PHE
179
n
179
PHE
179
A
GLU
180
n
180
GLU
180
A
VAL
181
n
181
VAL
181
A
TYR
182
n
182
TYR
182
A
GLU
183
n
183
GLU
183
A
LYS
184
n
184
LYS
184
A
ASN
185
n
185
ASN
185
A
ASP
186
n
186
ASP
186
A
0.1750000
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
GLN
170
A
O
GLN
170
A
N
TYR
177
A
N
TYR
177
A
O
LYS
178
A
O
LYS
178
A
N
ARG
137
A
N
ARG
137
A
O
LYS
132
A
O
LYS
132
A
N
CYS
6
A
N
CYS
6
A
O
ASN
5
A
O
ASN
5
A
N
VAL
112
A
N
VAL
112
A
O
TRP
113
A
O
TRP
113
A
N
LEU
49
A
N
LEU
49
A
O
VAL
50
A
O
VAL
50
A
N
ILE
71
A
N
ILE
71
A
O
VAL
74
A
O
VAL
74
A
N
PHE
88
A
N
PHE
88
1
A
A
OG
OD2
SER
ASP
42
110
2.07
1
A
ARG
65
0.081
SIDE CHAIN
1
A
TYR
156
0.072
SIDE CHAIN
1
12.72
1.50
110.80
123.52
A
A
A
N
CA
CB
CYS
CYS
CYS
6
6
6
N
1
8.92
1.40
110.10
119.02
A
A
A
N
CA
CB
ALA
ALA
ALA
9
9
9
N
1
17.48
2.20
117.20
134.68
A
A
A
CA
C
N
ALA
ALA
VAL
9
9
10
Y
1
-10.96
1.60
122.70
111.74
A
A
A
O
C
N
ALA
ALA
VAL
9
9
10
Y
1
17.60
2.50
121.70
139.30
A
A
A
C
N
CA
ALA
VAL
VAL
9
10
10
Y
1
-10.33
1.60
110.90
100.57
A
A
A
CG1
CB
CG2
VAL
VAL
VAL
10
10
10
N
1
14.18
1.50
110.90
125.08
A
A
A
CA
CB
CG2
VAL
VAL
VAL
10
10
10
N
1
12.90
2.00
116.20
129.10
A
A
A
CA
C
N
ILE
ILE
GLY
16
16
17
Y
1
-11.25
1.60
122.70
111.45
A
A
A
O
C
N
LYS
LYS
ASN
18
18
19
Y
1
-20.56
2.30
121.90
101.34
A
A
A
OD1
CG
ND2
ASN
ASN
ASN
19
19
19
N
1
18.21
2.40
116.70
134.91
A
A
A
CB
CG
ND2
ASN
ASN
ASN
19
19
19
N
1
6.05
0.90
118.30
124.35
A
A
A
CB
CG
OD1
ASP
ASP
ASP
21
21
21
N
1
15.89
1.70
111.00
126.89
A
A
A
CB
CG
CD1
LEU
LEU
LEU
22
22
22
N
1
-13.78
1.70
111.00
97.22
A
A
A
CB
CG
CD2
LEU
LEU
LEU
22
22
22
N
1
15.87
2.10
111.70
127.57
A
A
A
CB
CA
C
PRO
PRO
PRO
25
25
25
N
1
11.34
1.50
119.30
130.64
A
A
A
C
N
CA
PRO
PRO
PRO
25
26
26
Y
1
-12.62
2.10
120.10
107.48
A
A
A
CA
C
O
LEU
LEU
LEU
27
27
27
N
1
12.11
1.80
110.60
122.71
A
A
A
N
CA
CB
ARG
ARG
ARG
28
28
28
N
1
5.56
0.50
120.30
125.86
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
28
28
28
N
1
-4.44
0.50
120.30
115.86
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
28
28
28
N
1
-11.75
1.90
110.10
98.35
A
A
A
CB
CA
C
SER
SER
SER
31
31
31
N
1
13.59
1.50
110.50
124.09
A
A
A
N
CA
CB
SER
SER
SER
31
31
31
N
1
9.43
1.40
123.60
133.03
A
A
A
CD
NE
CZ
ARG
ARG
ARG
32
32
32
N
1
3.64
0.50
120.30
123.94
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
32
32
32
N
1
-12.08
1.60
122.70
110.62
A
A
A
O
C
N
ARG
ARG
TYR
32
32
33
Y
1
11.69
1.60
122.70
134.39
A
A
A
O
C
N
TYR
TYR
PHE
33
33
34
Y
1
-8.31
0.70
120.80
112.49
A
A
A
CB
CG
CD2
PHE
PHE
PHE
34
34
34
N
1
12.96
2.10
111.80
124.76
A
A
A
CG
CD
NE
ARG
ARG
ARG
36
36
36
N
1
5.86
0.50
120.30
126.16
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
36
36
36
N
1
-12.77
2.00
110.40
97.63
A
A
A
CB
CA
C
GLU
GLU
GLU
44
44
44
N
1
15.83
2.20
113.40
129.23
A
A
A
CA
CB
CG
GLU
GLU
GLU
44
44
44
N
1
7.59
1.20
123.30
130.89
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
44
44
44
N
1
-12.18
2.00
118.30
106.12
A
A
A
CG
CD
OE2
GLU
GLU
GLU
44
44
44
N
1
-12.97
2.10
120.10
107.13
A
A
A
CA
C
O
GLU
GLU
GLU
44
44
44
N
1
13.24
1.70
123.20
136.44
A
A
A
O
C
N
GLU
GLU
GLY
44
44
45
Y
1
-10.82
1.70
111.00
100.18
A
A
A
CB
CG
CD2
LEU
LEU
LEU
49
49
49
N
1
16.09
1.80
120.60
136.69
A
A
A
CA
C
O
GLY
GLY
GLY
53
53
53
N
1
-11.22
1.60
122.70
111.48
A
A
A
O
C
N
GLY
GLY
LYS
53
53
54
Y
1
16.63
2.30
111.70
128.33
A
A
A
CD
CE
NZ
LYS
LYS
LYS
54
54
54
N
1
-13.43
2.10
109.00
95.57
A
A
A
CA
CB
OG1
THR
THR
THR
56
56
56
N
1
-4.63
0.70
120.80
116.17
A
A
A
CB
CG
CD1
PHE
PHE
PHE
58
58
58
N
1
-13.32
2.10
120.10
106.78
A
A
A
CA
C
O
PHE
PHE
PHE
58
58
58
N
1
10.02
1.60
122.70
132.72
A
A
A
O
C
N
PHE
PHE
SER
58
58
59
Y
1
9.36
1.40
123.60
132.96
A
A
A
CD
NE
CZ
ARG
ARG
ARG
65
65
65
N
1
-10.12
1.10
119.40
109.28
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
65
65
65
N
1
11.05
0.50
120.30
131.35
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
65
65
65
N
1
-5.19
0.50
120.30
115.11
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
70
70
70
N
1
10.33
1.50
110.90
121.23
A
A
A
CA
CB
CG2
VAL
VAL
VAL
74
74
74
N
1
-22.36
2.10
111.80
89.44
A
A
A
CG
CD
NE
ARG
ARG
ARG
77
77
77
N
1
-11.47
1.40
123.60
112.13
A
A
A
CD
NE
CZ
ARG
ARG
ARG
77
77
77
N
1
-12.88
0.50
120.30
107.42
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
77
77
77
N
1
9.02
0.50
120.30
129.32
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
77
77
77
N
1
13.90
2.20
113.40
127.30
A
A
A
CA
CB
CG
GLU
GLU
GLU
78
78
78
N
1
-23.98
1.20
123.30
99.32
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
78
78
78
N
1
12.45
2.00
118.30
130.75
A
A
A
CG
CD
OE1
GLU
GLU
GLU
78
78
78
N
1
15.57
2.20
113.40
128.97
A
A
A
CA
CB
CG
GLU
GLU
GLU
81
81
81
N
1
8.83
1.40
110.10
118.93
A
A
A
N
CA
CB
ALA
ALA
ALA
86
86
86
N
1
-10.37
1.10
108.50
98.13
A
A
A
ND1
CE1
NE2
HIS
HIS
HIS
87
87
87
N
1
11.33
0.70
109.00
120.33
A
A
A
CE1
NE2
CD2
HIS
HIS
HIS
87
87
87
N
1
8.31
0.70
120.80
129.11
A
A
A
CB
CG
CD2
PHE
PHE
PHE
88
88
88
N
1
-6.98
0.70
120.80
113.82
A
A
A
CB
CG
CD1
PHE
PHE
PHE
88
88
88
N
1
15.13
1.50
110.50
125.63
A
A
A
N
CA
CB
SER
SER
SER
90
90
90
N
1
-13.38
1.70
111.00
97.62
A
A
A
CB
CG
CD2
LEU
LEU
LEU
93
93
93
N
1
-6.31
0.90
118.30
111.99
A
A
A
CB
CG
OD2
ASP
ASP
ASP
94
94
94
N
1
7.95
0.90
118.30
126.25
A
A
A
CB
CG
OD1
ASP
ASP
ASP
95
95
95
N
1
16.19
2.30
115.30
131.49
A
A
A
CA
CB
CG
LEU
LEU
LEU
99
99
99
N
1
17.32
2.20
113.40
130.72
A
A
A
CA
CB
CG
GLU
GLU
GLU
101
101
101
N
1
12.54
2.00
118.30
130.84
A
A
A
CG
CD
OE1
GLU
GLU
GLU
101
101
101
N
1
-15.92
2.00
110.40
94.48
A
A
A
CB
CA
C
LYS
LYS
LYS
108
108
108
N
1
13.60
1.60
122.70
136.30
A
A
A
O
C
N
VAL
VAL
ASP
109
109
110
Y
1
-6.03
0.90
118.30
112.27
A
A
A
CB
CG
OD1
ASP
ASP
ASP
110
110
110
N
1
11.93
0.90
118.30
130.23
A
A
A
CB
CG
OD2
ASP
ASP
ASP
110
110
110
N
1
-11.45
1.60
122.70
111.25
A
A
A
O
C
N
ASP
ASP
MET
110
110
111
Y
1
-9.95
1.50
110.90
100.95
A
A
A
CA
CB
CG1
VAL
VAL
VAL
112
112
112
N
1
-7.43
1.10
121.20
113.77
A
A
A
CE3
CZ3
CH2
TRP
TRP
TRP
113
113
113
N
1
8.35
1.20
121.60
129.95
A
A
A
CZ3
CH2
CZ2
TRP
TRP
TRP
113
113
113
N
1
-6.77
1.00
117.40
110.63
A
A
A
CH2
CZ2
CE2
TRP
TRP
TRP
113
113
113
N
1
-10.30
1.60
122.70
112.40
A
A
A
O
C
N
ILE
ILE
VAL
114
114
115
Y
1
-11.79
1.50
110.50
98.71
A
A
A
N
CA
CB
SER
SER
SER
119
119
119
N
1
14.01
1.60
122.70
136.71
A
A
A
O
C
N
VAL
VAL
TYR
120
120
121
Y
1
-8.14
0.60
121.00
112.86
A
A
A
CB
CG
CD2
TYR
TYR
TYR
121
121
121
N
1
10.77
1.60
119.80
130.57
A
A
A
CE1
CZ
CE2
TYR
TYR
TYR
121
121
121
N
1
-10.48
0.90
119.80
109.32
A
A
A
CZ
CE2
CD2
TYR
TYR
TYR
121
121
121
N
1
-11.12
1.80
110.60
99.48
A
A
A
N
CA
CB
GLU
GLU
GLU
123
123
123
N
1
20.48
2.20
113.40
133.88
A
A
A
CA
CB
CG
GLU
GLU
GLU
123
123
123
N
1
-10.26
1.70
113.30
103.04
A
A
A
CA
CB
CG
MET
MET
MET
125
125
125
N
1
18.92
2.00
121.60
140.52
A
A
A
CB
CG
OD1
ASN
ASN
ASN
126
126
126
N
1
-9.83
1.60
122.70
112.87
A
A
A
O
C
N
ASN
ASN
HIS
126
126
127
Y
1
14.28
2.10
111.70
125.98
A
A
A
CB
CA
C
PRO
PRO
PRO
128
128
128
N
1
14.90
2.40
120.20
135.10
A
A
A
CA
C
O
PRO
PRO
PRO
128
128
128
N
1
-14.47
2.10
122.30
107.83
A
A
A
C
N
CA
PRO
GLY
GLY
128
129
129
Y
1
11.60
1.60
122.70
134.30
A
A
A
O
C
N
GLY
GLY
HIS
129
129
130
Y
1
18.78
2.30
115.30
134.08
A
A
A
CA
CB
CG
LEU
LEU
LEU
133
133
133
N
1
13.18
1.70
111.00
124.18
A
A
A
CB
CG
CD2
LEU
LEU
LEU
133
133
133
N
1
12.30
1.80
110.60
122.90
A
A
A
N
CA
CB
PHE
PHE
PHE
134
134
134
N
1
3.56
0.50
120.30
123.86
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
137
137
137
N
1
14.82
1.90
111.00
125.82
A
A
A
CA
CB
CG1
ILE
ILE
ILE
138
138
138
N
1
19.90
2.80
113.90
133.80
A
A
A
CB
CG1
CD1
ILE
ILE
ILE
138
138
138
N
1
14.17
1.80
110.60
124.77
A
A
A
N
CA
CB
GLN
GLN
GLN
140
140
140
N
1
10.41
1.60
122.70
133.11
A
A
A
O
C
N
GLN
GLN
ASP
140
140
141
Y
1
-11.96
0.90
118.30
106.34
A
A
A
CB
CG
OD1
ASP
ASP
ASP
141
141
141
N
1
13.73
0.90
118.30
132.03
A
A
A
CB
CG
OD2
ASP
ASP
ASP
141
141
141
N
1
-20.34
1.90
123.30
102.96
A
A
A
OD1
CG
OD2
ASP
ASP
ASP
145
145
145
N
1
20.84
0.90
118.30
139.14
A
A
A
CB
CG
OD1
ASP
ASP
ASP
145
145
145
N
1
4.37
0.70
120.80
125.17
A
A
A
CB
CG
CD1
PHE
PHE
PHE
148
148
148
N
1
10.31
1.50
119.30
129.61
A
A
A
C
N
CA
PHE
PRO
PRO
148
149
149
Y
1
-12.14
1.70
111.00
98.86
A
A
A
CB
CG
CD1
LEU
LEU
LEU
153
153
153
N
1
-12.61
2.00
118.30
105.69
A
A
A
CG
CD
OE2
GLU
GLU
GLU
154
154
154
N
1
-5.76
0.60
121.00
115.24
A
A
A
CB
CG
CD2
TYR
TYR
TYR
156
156
156
N
1
-5.07
0.80
121.30
116.23
A
A
A
CG
CD1
CE1
TYR
TYR
TYR
156
156
156
N
1
-4.60
0.60
121.00
116.40
A
A
A
CB
CG
CD2
TYR
TYR
TYR
162
162
162
N
1
-5.34
0.80
121.30
115.96
A
A
A
CG
CD2
CE2
TYR
TYR
TYR
162
162
162
N
1
16.32
1.60
110.90
127.22
A
A
A
CG1
CB
CG2
VAL
VAL
VAL
165
165
165
N
1
13.01
1.70
111.00
124.01
A
A
A
CB
CG
CD1
LEU
LEU
LEU
166
166
166
N
1
-11.13
1.70
111.00
99.87
A
A
A
CB
CG
CD2
LEU
LEU
LEU
166
166
166
N
1
5.76
0.90
118.30
124.06
A
A
A
CB
CG
OD1
ASP
ASP
ASP
168
168
168
N
1
14.13
1.20
123.30
137.43
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
171
171
171
N
1
12.43
1.60
122.70
135.13
A
A
A
O
C
N
GLU
GLU
GLU
171
171
172
Y
1
15.24
2.00
110.40
125.64
A
A
A
CB
CA
C
GLU
GLU
GLU
172
172
172
N
1
10.22
1.20
123.30
133.52
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
172
172
172
N
1
-13.04
2.00
118.30
105.26
A
A
A
CG
CD
OE2
GLU
GLU
GLU
172
172
172
N
1
-12.46
2.00
110.40
97.94
A
A
A
CB
CA
C
LYS
LYS
LYS
173
173
173
N
1
-15.09
2.30
111.70
96.61
A
A
A
CD
CE
NZ
LYS
LYS
LYS
173
173
173
N
1
12.12
1.60
122.70
134.82
A
A
A
O
C
N
ILE
ILE
LYS
175
175
176
Y
1
14.44
2.20
117.20
131.64
A
A
A
CA
C
N
PHE
PHE
GLU
179
179
180
Y
1
-10.91
1.60
122.70
111.79
A
A
A
O
C
N
VAL
VAL
TYR
181
181
182
Y
1
-5.22
0.60
121.00
115.78
A
A
A
CB
CG
CD1
TYR
TYR
TYR
182
182
182
N
1
-5.65
0.90
119.80
114.15
A
A
A
CD1
CE1
CZ
TYR
TYR
TYR
182
182
182
N
1
-5.98
0.90
119.80
113.82
A
A
A
CZ
CE2
CD2
TYR
TYR
TYR
182
182
182
N
1
12.17
2.00
118.30
130.47
A
A
A
CG
CD
OE2
GLU
GLU
GLU
183
183
183
N
1
-16.93
2.00
110.40
93.47
A
A
A
CB
CA
C
LYS
LYS
LYS
184
184
184
N
1
14.24
1.80
110.60
124.84
A
A
A
N
CA
CB
ASN
ASN
ASN
185
185
185
N
1
8.32
0.90
118.30
126.62
A
A
A
CB
CG
OD1
ASP
ASP
ASP
186
186
186
N
1
-5.69
0.90
118.30
112.61
A
A
A
CB
CG
OD2
ASP
ASP
ASP
186
186
186
N
1
A
A
C
O
ALA
ALA
9
9
0.161
0.019
1.229
1.390
N
1
A
A
CB
CG1
ILE
ILE
16
16
0.173
0.028
1.536
1.709
N
1
A
A
CA
CB
SER
SER
31
31
0.117
0.015
1.525
1.642
N
1
A
A
N
CA
PHE
PHE
34
34
0.138
0.020
1.459
1.597
N
1
A
A
CB
OG
SER
SER
59
59
-0.079
0.013
1.418
1.339
N
1
A
A
CZ
NH1
ARG
ARG
91
91
0.097
0.013
1.326
1.423
N
1
A
A
CZ
NH2
ARG
ARG
91
91
0.089
0.013
1.326
1.415
N
1
A
A
CB
OG
SER
SER
119
119
0.196
0.013
1.418
1.614
N
1
A
A
CD1
CE1
TYR
TYR
121
121
0.103
0.015
1.389
1.492
N
1
A
A
CG
CD2
PHE
PHE
134
134
0.101
0.015
1.383
1.484
N
1
A
A
C
O
THR
THR
136
136
0.117
0.019
1.229
1.346
N
1
A
A
CD
OE2
GLU
GLU
172
172
0.084
0.011
1.252
1.336
N
1
A
A
CD
OE2
GLU
GLU
183
183
-0.088
0.011
1.252
1.164
N
1
A
A
CG
OD1
ASN
ASN
185
185
0.133
0.022
1.235
1.368
N
1
A
SER
76
-173.80
144.02
1
A
GLU
104
-53.21
-70.73
1
A
ASP
110
-90.85
-95.63
1
A
ASN
185
-164.59
101.83
30.42
0.1750000
2.1
1
2.1
51
1628
80
0
1497
0.025
0.020
0.058
0.040
0.062
0.050
1.539
1.500
2.003
1.500
1.609
1.000
2.399
1.500
0.021
0.020
0.218
0.150
0.197
0.500
0.277
0.500
0.224
0.500
3.6
3.0
18.4
15.0
21.6
20.0
1.90
8.0
1HFQ
13350
2.0
0.0410000
1
3.09
78.0
refinement
PROFFT
data reduction
R-AXIS
II
COMPARISON OF TERNARY CRYSTAL COMPLEXES OF HUMAN DIHYDROFOLATE REDUCTASE WITH NADPH AND A CLASSICAL ANTITUMOR FUROPYRIMDINE
1
N
N
2
N
N
3
N
N
4
N
N
A
ARG
28
A
ARG
28
HELX_P
A
THR
39
A
THR
39
1
1
12
A
LYS
54
A
LYS
54
HELX_P
A
SER
59
A
SER
59
1
2
6
A
GLU
62
A
GLU
62
HELX_P
A
ASN
64
A
ASN
64
5
3
3
A
LEU
93
A
LEU
93
HELX_P
A
GLU
101
A
GLU
101
1
4
9
A
PRO
103
A
PRO
103
HELX_P
A
ALA
106
A
ALA
106
1
5
4
A
SER
118
A
SER
118
HELX_P
A
ALA
124
A
ALA
124
1
6
7
OXIDOREDUCTASE
OXIDOREDUCTASE, ONE-CARBON METABOLISM
A
ARG
65
A
ARG
65
1
A
PRO
66
A
PRO
66
-4.34
A
GLY
116
A
GLY
116
1
A
GLY
117
A
GLY
117
0.03
DYR_HUMAN
UNP
1
1
P00374
VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
EYPGVLSDVQEEKGIKYKFEVYEKND
1
186
1HFQ
1
186
P00374
A
1
1
186
1
PHE
engineered mutation
SER
31
1HFQ
A
P00374
UNP
31
31
8
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
A
GLN
170
A
GLN
170
A
GLU
172
A
GLU
172
A
ILE
175
A
ILE
175
A
ASN
185
A
ASN
185
A
HIS
130
A
HIS
130
A
ILE
138
A
ILE
138
A
LEU
4
A
LEU
4
A
VAL
10
A
VAL
10
A
VAL
112
A
VAL
112
A
ILE
114
A
ILE
114
A
LEU
49
A
LEU
49
A
GLY
53
A
GLY
53
A
ILE
71
A
ILE
71
A
LEU
75
A
LEU
75
A
PHE
88
A
PHE
88
A
SER
90
A
SER
90
BINDING SITE FOR RESIDUE NDP A 187
A
NDP
187
Software
28
BINDING SITE FOR RESIDUE MOT A 188
A
MOT
188
Software
17
A
VAL
8
A
VAL
8
28
1_555
A
ALA
9
A
ALA
9
28
1_555
A
ILE
16
A
ILE
16
28
1_555
A
GLY
17
A
GLY
17
28
1_555
A
GLY
20
A
GLY
20
28
1_555
A
ASP
21
A
ASP
21
28
1_555
A
LEU
22
A
LEU
22
28
1_555
A
GLY
53
A
GLY
53
28
1_555
A
LYS
54
A
LYS
54
28
1_555
A
LYS
55
A
LYS
55
28
1_555
A
THR
56
A
THR
56
28
1_555
A
SER
59
A
SER
59
28
1_555
A
LEU
75
A
LEU
75
28
1_555
A
SER
76
A
SER
76
28
1_555
A
ARG
77
A
ARG
77
28
1_555
A
GLU
78
A
GLU
78
28
1_555
A
ARG
91
A
ARG
91
28
1_555
A
SER
92
A
SER
92
28
1_555
A
VAL
115
A
VAL
115
28
1_555
A
GLY
117
A
GLY
117
28
1_555
A
SER
118
A
SER
118
28
1_555
A
SER
119
A
SER
119
28
1_555
A
VAL
120
A
VAL
120
28
1_555
A
TYR
121
A
TYR
121
28
1_555
A
THR
146
A
THR
146
28
1_555
A
MOT
188
C
MOT
28
1_555
A
HOH
195
D
HOH
28
1_555
A
HOH
219
D
HOH
28
1_555
A
ILE
7
A
ILE
7
17
1_555
A
VAL
8
A
VAL
8
17
1_555
A
ALA
9
A
ALA
9
17
1_555
A
GLU
30
A
GLU
30
17
1_555
A
SER
31
A
SER
31
17
1_555
A
PHE
34
A
PHE
34
17
1_555
A
GLN
35
A
GLN
35
17
1_555
A
ILE
60
A
ILE
60
17
1_555
A
ASN
64
A
ASN
64
17
1_555
A
LEU
67
A
LEU
67
17
1_555
A
ARG
70
A
ARG
70
17
1_555
A
VAL
115
A
VAL
115
17
1_555
A
TYR
121
A
TYR
121
17
1_555
A
THR
136
A
THR
136
17
1_555
A
NDP
187
B
NDP
17
1_555
A
HOH
193
D
HOH
17
1_555
A
HOH
203
D
HOH
17
1_555
146
H 3