0.026993
0.000000
0.002172
0.000000
0.023187
0.000000
0.000000
0.000000
0.016520
0.00000
0.00000
0.00000
Cody, V.
Galitsky, N.
Luft, J.R.
Pangborn, W.
Queener, S.F.
Gangjee, A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
94.60
90.00
37.047
43.128
60.730
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
C17 H20 N6 O2
340.380
2,4-DIAMINO-6-[N-(3',5'-DIMETHOXYBENZYL)-N-METHYLAMINO]PYRIDO[2,3-D]PYRIMIDINE
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
C21 H28 N7 O17 P3
743.405
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE
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
Y
74
N
C
Y
75
N
C
Y
76
N
C
Y
77
N
C
Y
78
N
C
Y
79
N
C
Y
80
N
C
N
81
N
C
Y
82
N
C
Y
83
N
C
Y
84
N
C
Y
85
N
C
Y
86
N
C
Y
87
N
C
N
88
N
C
N
89
N
C
N
90
N
C
Y
91
N
N
N
92
N
N
Y
93
N
N
N
94
N
N
Y
95
N
N
N
96
N
N
N
97
N
O
N
98
N
O
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
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
N
N
120
R
C
N
121
N
C
N
122
N
O
N
123
N
C
N
124
N
S
N
125
N
O
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
N
N
134
S
C
N
135
N
C
N
136
N
O
N
137
N
C
N
138
N
C
N
139
N
C
N
140
N
O
N
141
N
N
N
142
N
O
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
N
N
154
S
C
N
155
N
C
N
156
N
O
N
157
N
C
N
158
N
C
N
159
N
C
N
160
N
O
N
161
N
O
N
162
N
O
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
N
N
173
N
C
N
174
N
C
N
175
N
O
N
176
N
O
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
N
N
183
S
C
N
184
N
C
N
185
N
O
N
186
N
C
Y
187
N
C
Y
188
N
N
Y
189
N
C
Y
190
N
C
Y
191
N
N
N
192
N
O
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
O
N
204
N
H
N
205
N
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
S
C
N
211
N
C
N
212
N
C
N
213
N
C
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
N
N
229
S
C
N
230
N
C
N
231
N
O
N
232
N
C
N
233
N
C
N
234
N
C
N
235
N
C
N
236
N
O
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
N
255
N
C
N
256
N
C
N
257
N
C
N
258
N
N
N
259
N
O
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
N
N
276
S
C
N
277
N
C
N
278
N
O
N
279
N
C
N
280
N
C
N
281
N
S
N
282
N
C
N
283
N
O
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
R
P
N
296
N
O
N
297
N
O
N
298
N
O
N
299
N
C
N
300
R
C
N
301
N
O
N
302
R
C
N
303
N
O
N
304
R
C
N
305
N
O
N
306
R
C
Y
307
N
N
Y
308
N
C
Y
309
N
N
Y
310
N
C
Y
311
N
C
N
312
N
N
Y
313
N
N
Y
314
N
C
Y
315
N
N
Y
316
N
C
N
317
N
O
N
318
N
P
N
319
N
O
N
320
N
O
N
321
N
O
N
322
N
C
N
323
R
C
N
324
N
O
N
325
S
C
N
326
N
O
N
327
R
C
N
328
N
O
N
329
R
C
Y
330
N
N
Y
331
N
C
Y
332
N
C
N
333
N
C
N
334
N
O
N
335
N
N
Y
336
N
C
Y
337
N
C
Y
338
N
C
N
339
N
P
N
340
N
O
N
341
N
O
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
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
N
N
372
S
C
N
373
N
C
N
374
N
O
N
375
N
C
Y
376
N
C
Y
377
N
C
Y
378
N
C
Y
379
N
C
Y
380
N
C
Y
381
N
C
N
382
N
O
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
N
N
395
S
C
N
396
N
C
N
397
N
O
N
398
N
C
N
399
N
C
N
400
N
C
N
401
N
O
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
N
N
412
S
C
N
413
N
C
N
414
N
O
N
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
N
N
426
S
C
N
427
N
C
N
428
N
O
N
429
R
C
N
430
N
O
N
431
N
C
N
432
N
O
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
H
N
438
N
H
N
439
N
H
N
440
N
H
N
441
N
H
N
442
N
N
N
443
S
C
N
444
N
C
N
445
N
O
N
446
N
C
Y
447
N
C
Y
448
N
C
Y
449
N
C
Y
450
N
N
Y
451
N
C
Y
452
N
C
Y
453
N
C
Y
454
N
C
Y
455
N
C
N
456
N
O
N
457
N
H
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
N
H
N
468
N
H
N
469
N
N
N
470
S
C
N
471
N
C
N
472
N
O
N
473
N
C
Y
474
N
C
Y
475
N
C
Y
476
N
C
Y
477
N
C
Y
478
N
C
Y
479
N
C
N
480
N
O
N
481
N
O
N
482
N
H
N
483
N
H
N
484
N
H
N
485
N
H
N
486
N
H
N
487
N
H
N
488
N
H
N
489
N
H
N
490
N
H
N
491
N
H
N
492
N
H
N
493
N
N
N
494
S
C
N
495
N
C
N
496
N
O
N
497
N
C
N
498
N
C
N
499
N
C
N
500
N
O
N
501
N
H
N
502
N
H
N
503
N
H
N
504
N
H
N
505
N
H
N
506
N
H
N
507
N
H
N
508
N
H
N
509
N
H
N
510
N
H
N
511
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
Y
70
N
doub
N
71
N
sing
Y
72
N
sing
Y
73
N
sing
Y
74
N
doub
N
75
N
sing
Y
76
N
doub
Y
77
N
sing
Y
78
N
sing
N
79
N
sing
Y
80
N
doub
N
81
N
sing
Y
82
N
sing
N
83
N
sing
Y
84
N
sing
Y
85
N
doub
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
Y
90
N
doub
Y
91
N
sing
Y
92
N
sing
N
93
N
sing
Y
94
N
doub
N
95
N
sing
Y
96
N
sing
N
97
N
sing
Y
98
N
doub
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
sing
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
sing
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
doub
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
doub
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
doub
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
doub
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
doub
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
doub
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
doub
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
Y
187
N
sing
Y
188
N
doub
Y
189
N
doub
N
190
N
sing
Y
191
N
sing
N
192
N
sing
Y
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
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
doub
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
sing
N
225
N
sing
N
226
N
doub
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
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
doub
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
doub
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
doub
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
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
Y
307
N
sing
Y
308
N
sing
Y
309
N
doub
N
310
N
sing
Y
311
N
sing
Y
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
doub
N
316
N
sing
N
317
N
sing
Y
318
N
sing
Y
319
N
doub
N
320
N
sing
Y
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
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
Y
344
N
sing
Y
345
N
doub
Y
346
N
doub
N
347
N
sing
N
348
N
sing
Y
349
N
sing
N
350
N
doub
N
351
N
sing
N
352
N
sing
N
353
N
sing
Y
354
N
doub
N
355
N
sing
Y
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
doub
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
doub
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
Y
375
N
doub
Y
376
N
sing
Y
377
N
sing
N
378
N
sing
Y
379
N
doub
N
380
N
sing
Y
381
N
doub
N
382
N
sing
Y
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
doub
N
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
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
doub
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
sing
N
422
N
sing
N
423
N
doub
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
doub
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
Y
444
N
doub
Y
445
N
sing
Y
446
N
sing
N
447
N
sing
Y
448
N
doub
Y
449
N
sing
Y
450
N
sing
N
451
N
sing
Y
452
N
sing
Y
453
N
doub
N
454
N
sing
Y
455
N
doub
N
456
N
sing
Y
457
N
sing
N
458
N
sing
N
459
N
sing
N
460
N
sing
N
461
N
sing
N
462
N
sing
N
463
N
sing
N
464
N
sing
N
465
N
sing
N
466
N
sing
N
467
N
doub
N
468
N
sing
N
469
N
sing
N
470
N
sing
N
471
N
sing
Y
472
N
doub
Y
473
N
sing
Y
474
N
sing
N
475
N
sing
Y
476
N
doub
N
477
N
sing
Y
478
N
doub
N
479
N
sing
Y
480
N
sing
N
481
N
sing
N
482
N
sing
N
483
N
sing
N
484
N
sing
N
485
N
sing
N
486
N
sing
N
487
N
sing
N
488
N
sing
N
489
N
sing
N
490
N
sing
N
491
N
doub
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
sing
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
58
1393
1399
10.1107/S0907444902010442
12198294
Analysis of quinazoline and pyrido[2,3-d]pyrimidine N9-C10 reversed-bridge antifolates in complex with NADP+ and Pneumocystis carinii dihydrofolate reductase.
2002
UK
Structure
STRUE6
2005
0969-2126
2
915
924
The structure of Pneumocystis carinii dihydrofolate reductase to 1.9 A resolution
1994
US
Biochemistry
BICHAW
0033
0006-2960
38
4303
4312
10.1021/bi982728m
Ligand-induced conformational changes in the crystal structures of Pneumocystis carinii dihydrofolate reductase complexes with folate and NADP+
1999
10.2210/pdb1ly4/pdb
pdb_00001ly4
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298
1
mirrors
IMAGE PLATE
1998-02-09
RIGAKU RAXIS IV
graphite
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5621
1.0
1.7321
1.0
1.5418,1.5621,1.7321
ROTATING ANODE
RIGAKU RU200
23918.537
DIHYDROFOLATE REDUCTASE
1.5.1.3
1
man
polymer
743.405
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
1
syn
non-polymer
340.380
2,4-DIAMINO-6-[N-(3',5'-DIMETHOXYBENZYL)-N-METHYLAMINO]PYRIDO[2,3-D]PYRIMIDINE
1
syn
non-polymer
18.015
water
33
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
4754
Pneumocystis carinii
562
Escherichia coli
Bl21c
plasmid
pEt11b
1
2.02
39.16
VAPOR DIFFUSION
6.0
MES/KCl, PEG 2000, pH 6.0, VAPOR DIFFUSION, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2002-08-28
1
1
2008-04-28
1
2
2011-07-13
1
3
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
ANALYSIS OF QUINAZOLINE AND PYRIDOPYRIMIDINE N9-C10 REVERSED BRIDGE ANTIFOLATES IN COMPLEX WITH NADP+ AND PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE
LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+
STRUCTURAL STUDIES ON BIO-ACTIVE COMPOUNDS. CRYSTAL STRUCTURE AND MOLECULAR MODELING STUDIES ON THE PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COFACTOR COMPLEX WITH TAB, A HIGHLY SELECTIVE ANTIFOLATE
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
RCSB
Y
RCSB
2002-06-06
REL
REL
NAP
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
COQ
2,4-DIAMINO-6-[N-(3',5'-DIMETHOXYBENZYL)-N-METHYLAMINO]PYRIDO[2,3-D]PYRIMIDINE
HOH
water
1CD2
PDB ENTRY 1CD2
PDB
experimental model
NDP
207
2
NAP
NAP
207
A
COE
207
3
COQ
COQ
307
A
WAT
208
4
HOH
HOH
208
A
WAT
209
4
HOH
HOH
209
A
WAT
210
4
HOH
HOH
210
A
WAT
211
4
HOH
HOH
211
A
WAT
212
4
HOH
HOH
212
A
WAT
213
4
HOH
HOH
213
A
WAT
214
4
HOH
HOH
214
A
WAT
215
4
HOH
HOH
215
A
WAT
216
4
HOH
HOH
216
A
WAT
217
4
HOH
HOH
217
A
WAT
218
4
HOH
HOH
218
A
WAT
219
4
HOH
HOH
219
A
WAT
220
4
HOH
HOH
220
A
WAT
221
4
HOH
HOH
221
A
WAT
222
4
HOH
HOH
222
A
WAT
223
4
HOH
HOH
223
A
WAT
224
4
HOH
HOH
224
A
WAT
225
4
HOH
HOH
225
A
WAT
226
4
HOH
HOH
226
A
WAT
227
4
HOH
HOH
227
A
WAT
228
4
HOH
HOH
228
A
WAT
229
4
HOH
HOH
229
A
WAT
230
4
HOH
HOH
230
A
WAT
231
4
HOH
HOH
231
A
WAT
232
4
HOH
HOH
232
A
WAT
233
4
HOH
HOH
233
A
WAT
234
4
HOH
HOH
234
A
WAT
235
4
HOH
HOH
235
A
WAT
236
4
HOH
HOH
236
A
WAT
237
4
HOH
HOH
237
A
WAT
238
4
HOH
HOH
238
A
WAT
239
4
HOH
HOH
239
A
WAT
240
4
HOH
HOH
240
A
n
1
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
ALA
95
A
O
ALA
95
A
N
VAL
79
A
N
VAL
79
A
O
ILE
80
A
O
ILE
80
A
N
MET
57
A
N
MET
57
A
N
VAL
54
A
N
VAL
54
A
O
PHE
121
A
O
PHE
121
A
O
ILE
120
A
O
ILE
120
A
N
THR
8
A
N
THR
8
A
N
VAL
11
A
N
VAL
11
A
O
THR
144
A
O
THR
144
A
N
ILE
141
A
N
ILE
141
A
O
TRP
202
A
O
TRP
202
A
O
THR
203
A
O
THR
203
A
N
LYS
170
A
N
LYS
170
A
O
ALA
95
A
O
ALA
95
A
N
VAL
79
A
N
VAL
79
A
O
ILE
80
A
O
ILE
80
A
N
MET
57
A
N
MET
57
A
N
VAL
54
A
N
VAL
54
A
O
PHE
121
A
O
PHE
121
A
O
ILE
120
A
O
ILE
120
A
N
THR
8
A
N
THR
8
A
N
VAL
11
A
N
VAL
11
A
O
THR
144
A
O
THR
144
A
N
ILE
141
A
N
ILE
141
A
O
TRP
202
A
O
TRP
202
A
O
TYR
197
A
O
TYR
197
A
N
ILE
190
A
N
ILE
190
A
O
GLY
20
A
O
GLY
20
A
N
VAL
154
A
N
VAL
154
1
A
MET
1
A
MET
1
1
Y
1
A
A
O
O
HOH
HOH
216
219
1.80
1
A
A
OE1
O
GLU
HOH
50
238
2.06
1
A
A
O
OG1
LEU
THR
104
108
2.08
1
A
A
C
O
VAL
HOH
43
215
2.09
1
A
A
O
OG
THR
SER
45
48
2.15
1
A
A
O
O
HOH
HOH
210
234
2.17
1
A
A
O
N
ASN
SER
83
85
2.19
1
A
ARG
204
0.094
SIDE CHAIN
1
13.38
2.20
113.40
126.78
A
A
A
CA
CB
CG
ASN
ASN
ASN
2
2
2
N
1
-13.24
2.20
117.20
103.96
A
A
A
CA
C
N
GLN
GLN
GLN
3
3
4
Y
1
10.89
1.60
122.70
133.59
A
A
A
O
C
N
SER
SER
LEU
6
6
7
Y
1
-12.24
1.70
111.00
98.76
A
A
A
CB
CG
CD2
LEU
LEU
LEU
9
9
9
N
1
-14.57
2.10
120.10
105.53
A
A
A
CA
C
O
LEU
LEU
LEU
9
9
9
N
1
14.46
2.30
115.30
129.76
A
A
A
CA
CB
CG
LEU
LEU
LEU
13
13
13
N
1
13.12
1.70
111.00
124.12
A
A
A
CB
CG
CD2
LEU
LEU
LEU
13
13
13
N
1
10.80
1.10
119.40
130.20
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
21
21
21
N
1
-6.25
0.50
120.30
114.05
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
21
21
21
N
1
-4.55
0.50
120.30
115.75
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
21
21
21
N
1
23.92
2.50
121.70
145.62
A
A
A
C
N
CA
TRP
LYS
LYS
27
28
28
Y
1
13.66
2.00
118.30
131.96
A
A
A
CG
CD
OE1
GLU
GLU
GLU
32
32
32
N
1
12.24
2.00
110.40
122.64
A
A
A
CB
CA
C
PHE
PHE
PHE
36
36
36
N
1
13.59
1.80
110.60
124.19
A
A
A
N
CA
CB
ARG
ARG
ARG
38
38
38
N
1
-9.86
1.10
119.40
109.54
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
38
38
38
N
1
8.00
0.50
120.30
128.30
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
38
38
38
N
1
15.00
2.00
110.40
125.40
A
A
A
CB
CA
C
MET
MET
MET
52
52
52
N
1
17.87
1.70
113.30
131.17
A
A
A
CA
CB
CG
MET
MET
MET
52
52
52
N
1
-9.50
1.50
110.90
101.40
A
A
A
CA
CB
CG2
VAL
VAL
VAL
55
55
55
N
1
13.47
2.20
113.40
126.87
A
A
A
CA
CB
CG
ARG
ARG
ARG
59
59
59
N
1
-14.55
1.40
123.60
109.05
A
A
A
CD
NE
CZ
ARG
ARG
ARG
59
59
59
N
1
7.06
0.50
120.30
127.36
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
59
59
59
N
1
-9.30
0.50
120.30
111.00
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
59
59
59
N
1
-10.35
1.20
123.30
112.95
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
63
63
63
N
1
8.73
1.40
123.60
132.33
A
A
A
CD
NE
CZ
ARG
ARG
ARG
75
75
75
N
1
4.79
0.50
120.30
125.09
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
75
75
75
N
1
-7.57
0.50
120.30
112.73
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
75
75
75
N
1
-3.23
0.50
120.30
117.07
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
82
82
82
N
1
10.20
0.90
118.30
128.50
A
A
A
CB
CG
OD1
ASP
ASP
ASP
87
87
87
N
1
13.96
1.50
110.10
124.06
A
A
A
CB
CA
C
ALA
ALA
ALA
95
95
95
N
1
14.43
2.00
110.40
124.83
A
A
A
CB
CA
C
LYS
LYS
LYS
96
96
96
N
1
-12.41
1.80
110.60
98.19
A
A
A
N
CA
CB
LYS
LYS
LYS
96
96
96
N
1
19.71
2.20
113.40
133.11
A
A
A
CA
CB
CG
LYS
LYS
LYS
96
96
96
N
1
-10.25
1.70
111.00
100.75
A
A
A
CB
CG
CD2
LEU
LEU
LEU
98
98
98
N
1
-7.06
0.90
118.30
111.24
A
A
A
CB
CG
OD1
ASP
ASP
ASP
99
99
99
N
1
11.49
1.80
110.60
122.09
A
A
A
N
CA
CB
HIS
HIS
HIS
100
100
100
N
1
-11.22
1.70
113.60
102.38
A
A
A
CA
CB
CG
HIS
HIS
HIS
100
100
100
N
1
12.72
1.60
122.70
135.42
A
A
A
O
C
N
HIS
HIS
ALA
100
100
101
Y
1
-8.05
1.20
123.30
115.25
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
103
103
103
N
1
-12.68
2.10
120.10
107.42
A
A
A
CA
C
O
GLU
GLU
GLU
103
103
103
N
1
3.78
0.60
121.00
124.78
A
A
A
CB
CG
CD2
TYR
TYR
TYR
106
106
106
N
1
-3.67
0.60
121.00
117.33
A
A
A
CB
CG
CD1
TYR
TYR
TYR
106
106
106
N
1
9.41
1.10
119.40
128.81
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
107
107
107
N
1
-8.61
0.50
120.30
111.69
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
107
107
107
N
1
18.09
2.70
114.20
132.29
A
A
A
CB
CG
CD
GLU
GLU
GLU
112
112
112
N
1
3.60
0.50
120.30
123.90
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
119
119
119
N
1
-3.21
0.50
120.30
117.09
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
119
119
119
N
1
14.21
2.10
122.30
136.51
A
A
A
C
N
CA
GLY
GLY
GLY
124
125
125
Y
1
10.04
1.60
122.70
132.74
A
A
A
O
C
N
GLN
GLN
LEU
127
127
128
Y
1
-10.30
1.60
122.70
112.40
A
A
A
O
C
N
ALA
ALA
MET
132
132
133
Y
1
13.27
2.20
113.40
126.67
A
A
A
CA
CB
CG
ASP
ASP
ASP
134
134
134
N
1
7.01
0.90
118.30
125.31
A
A
A
CB
CG
OD2
ASP
ASP
ASP
134
134
134
N
1
4.23
0.70
109.00
113.23
A
A
A
CE1
NE2
CD2
HIS
HIS
HIS
135
135
135
N
1
9.07
0.90
118.30
127.37
A
A
A
CB
CG
OD1
ASP
ASP
ASP
139
139
139
N
1
11.88
0.50
120.30
132.18
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
140
140
140
N
1
-8.08
0.50
120.30
112.22
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
140
140
140
N
1
20.79
2.20
113.40
134.19
A
A
A
CA
CB
CG
LYS
LYS
LYS
148
148
148
N
1
9.83
1.60
122.70
132.53
A
A
A
O
C
N
CYS
CYS
ASP
152
152
153
Y
1
7.33
0.90
118.30
125.63
A
A
A
CB
CG
OD1
ASP
ASP
ASP
153
153
153
N
1
-6.72
1.10
119.40
112.68
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
161
161
161
N
1
3.46
0.50
120.30
123.76
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
161
161
161
N
1
3.24
0.50
120.30
123.54
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
161
161
161
N
1
20.54
2.20
113.40
133.94
A
A
A
CA
CB
CG
ASP
ASP
ASP
162
162
162
N
1
-18.76
1.90
123.30
104.54
A
A
A
OD1
CG
OD2
ASP
ASP
ASP
162
162
162
N
1
21.53
0.90
118.30
139.83
A
A
A
CB
CG
OD1
ASP
ASP
ASP
162
162
162
N
1
14.06
2.00
118.30
132.36
A
A
A
CG
CD
OE1
GLU
GLU
GLU
164
164
164
N
1
-14.62
2.00
118.30
103.68
A
A
A
CG
CD
OE2
GLU
GLU
GLU
164
164
164
N
1
14.37
1.50
110.90
125.27
A
A
A
CA
CB
CG2
VAL
VAL
VAL
168
168
168
N
1
24.72
2.00
110.40
135.12
A
A
A
CB
CA
C
ASP
ASP
ASP
176
176
176
N
1
24.57
2.20
113.40
137.97
A
A
A
CA
CB
CG
ASP
ASP
ASP
176
176
176
N
1
-9.99
1.20
123.30
113.31
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
178
178
178
N
1
15.26
2.00
118.30
133.56
A
A
A
CG
CD
OE1
GLU
GLU
GLU
178
178
178
N
1
15.32
2.10
120.10
135.42
A
A
A
CA
C
O
THR
THR
THR
183
183
183
N
1
16.77
2.00
110.40
127.17
A
A
A
CB
CA
C
LYS
LYS
LYS
184
184
184
N
1
-12.05
1.80
110.60
98.55
A
A
A
N
CA
CB
LYS
LYS
LYS
184
184
184
N
1
-13.71
2.20
113.40
99.69
A
A
A
CA
CB
CG
LYS
LYS
LYS
184
184
184
N
1
15.95
1.80
120.60
136.55
A
A
A
CA
C
O
GLY
GLY
GLY
188
188
188
N
1
16.14
2.00
110.40
126.54
A
A
A
CB
CA
C
LYS
LYS
LYS
189
189
189
N
1
15.45
2.40
113.90
129.35
A
A
A
CA
CB
CG
PHE
PHE
PHE
195
195
195
N
1
10.25
0.90
118.30
128.55
A
A
A
CB
CG
OD1
ASP
ASP
ASP
196
196
196
N
1
-9.55
1.20
123.30
113.75
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
200
200
200
N
1
20.06
2.00
118.30
138.36
A
A
A
CG
CD
OE1
GLU
GLU
GLU
200
200
200
N
1
22.03
1.40
112.40
134.43
A
A
A
CA
CB
CG2
THR
THR
THR
203
203
203
N
1
30.81
1.40
123.60
154.41
A
A
A
CD
NE
CZ
ARG
ARG
ARG
204
204
204
N
1
3.76
0.50
120.30
124.06
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
204
204
204
N
1
7.41
0.90
118.30
125.71
A
A
A
CB
CG
OD1
ASP
ASP
ASP
205
205
205
N
1
10.92
1.60
122.70
133.62
A
A
A
O
C
N
ASP
ASP
LEU
205
205
206
Y
1
A
GLN
4
-150.90
-68.57
1
A
THR
15
-57.48
-9.78
1
A
TYR
17
84.18
12.15
1
A
PRO
26
-36.93
15.17
1
A
THR
45
-25.90
-47.52
1
A
PRO
66
-35.74
136.48
1
A
ARG
82
-39.49
-37.67
1
A
ASN
83
-113.78
57.45
1
A
GLU
84
-48.80
94.14
1
A
SER
85
-63.53
-78.54
1
A
LEU
86
-143.36
-154.45
1
A
ASP
87
-176.72
121.43
1
A
TYR
109
-109.59
-142.66
1
A
SER
111
-64.60
-124.58
1
A
GLU
112
-73.96
45.76
1
A
ASN
118
-104.45
-90.60
1
A
ASP
149
-99.47
57.84
1
A
VAL
181
-74.08
-97.51
1
A
THR
183
-27.70
151.53
30.2
0.193
2.1
8.0
8544
8544
1
2.0
2.0
MOLECULAR REPLACEMENT
PDB ENTRY 1CD2
2.1
8.0
33
1784
73
0
1678
0.020
0.063
2.1
30.2
2.1
8.0
1LY4
10692
8544
-3.0
1
94.2
2.0
2.1
69.1
data reduction
DENZO
data scaling
SCALEPACK
model building
PROTEIN
refinement
PROLSQ
phasing
PROTEIN
Analysis of quinazoline and PYRIDO[2,3D]PYRIMIDINE N9-C10 reversed bridge antifolates in complex with NADP+ and Pneumocystis carinii dihydrofolate reductase
1
N
N
2
N
N
3
N
N
4
N
N
A
LYS
31
A
LYS
31
HELX_P
A
PHE
42
A
PHE
42
1
1
12
A
ARG
59
A
ARG
59
HELX_P
A
ILE
65
A
ILE
65
1
2
7
A
SER
97
A
SER
97
HELX_P
A
TYR
109
A
TYR
109
1
3
13
A
GLY
125
A
GLY
125
HELX_P
A
MET
133
A
MET
133
1
4
9
A
ASP
162
A
ASP
162
HELX_P
A
SER
166
A
SER
166
5
5
5
A
LYS
173
A
LYS
173
HELX_P
A
VAL
181
A
VAL
181
1
6
9
OXIDOREDUCTASE
pcDHFR, N9-C10 reversed bridge pyridopyrimidine antifolate, OXIDOREDUCTASE
A
ARG
70
A
ARG
70
1
A
PRO
71
A
PRO
71
-5.08
A
GLY
124
A
GLY
124
1
A
GLY
125
A
GLY
125
3.39
DYR_PNECA
UNP
1
1
P16184
MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVI
TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF
RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL
1
206
1LY4
1
206
P16184
A
1
1
206
8
8
2
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
HIS
93
A
HIS
93
A
ALA
95
A
ALA
95
A
ARG
75
A
ARG
75
A
ILE
80
A
ILE
80
A
SER
51
A
SER
51
A
GLY
58
A
GLY
58
A
GLN
116
A
GLN
116
A
GLY
124
A
GLY
124
A
LEU
7
A
LEU
7
A
THR
14
A
THR
14
A
LEU
138
A
LEU
138
A
TYR
147
A
TYR
147
A
PHE
195
A
PHE
195
A
THR
203
A
THR
203
A
LYS
170
A
LYS
170
A
LYS
171
A
LYS
171
A
HIS
93
A
HIS
93
A
ALA
95
A
ALA
95
A
ARG
75
A
ARG
75
A
ILE
80
A
ILE
80
A
SER
51
A
SER
51
A
GLY
58
A
GLY
58
A
GLN
116
A
GLN
116
A
GLY
124
A
GLY
124
A
LEU
7
A
LEU
7
A
THR
14
A
THR
14
A
LEU
138
A
LEU
138
A
TYR
147
A
TYR
147
A
PHE
195
A
PHE
195
A
THR
203
A
THR
203
A
ILE
190
A
ILE
190
A
GLU
192
A
GLU
192
A
GLY
18
A
GLY
18
A
GLY
20
A
GLY
20
A
VAL
154
A
VAL
154
A
PHE
155
A
PHE
155
BINDING SITE FOR RESIDUE NAP A 207
A
NAP
207
Software
25
BINDING SITE FOR RESIDUE COQ A 307
A
COQ
307
Software
13
A
ALA
12
A
ALA
12
25
1_555
A
ILE
19
A
ILE
19
25
1_555
A
GLY
20
A
GLY
20
25
1_555
A
ASN
23
A
ASN
23
25
1_555
A
SER
24
A
SER
24
25
1_555
A
TRP
27
A
TRP
27
25
1_555
A
GLY
58
A
GLY
58
25
1_555
A
ARG
59
A
ARG
59
25
1_555
A
LYS
60
A
LYS
60
25
1_555
A
THR
61
A
THR
61
25
1_555
A
SER
64
A
SER
64
25
1_555
A
ILE
80
A
ILE
80
25
1_555
A
THR
81
A
THR
81
25
1_555
A
ARG
82
A
ARG
82
25
1_555
A
ASN
83
A
ASN
83
25
1_555
A
LYS
96
A
LYS
96
25
1_555
A
ILE
123
A
ILE
123
25
1_555
A
GLY
125
A
GLY
125
25
1_555
A
ALA
126
A
ALA
126
25
1_555
A
GLN
127
A
GLN
127
25
1_555
A
LEU
128
A
LEU
128
25
1_555
A
TYR
129
A
TYR
129
25
1_555
A
ALA
131
A
ALA
131
25
1_555
A
HOH
222
D
HOH
25
1_555
A
COQ
307
C
COQ
25
1_555
A
ILE
10
A
ILE
10
13
1_555
A
LEU
25
A
LEU
25
13
1_555
A
GLU
32
A
GLU
32
13
1_555
A
ILE
33
A
ILE
33
13
1_555
A
PHE
36
A
PHE
36
13
1_555
A
ILE
65
A
ILE
65
13
1_555
A
PRO
66
A
PRO
66
13
1_555
A
PHE
69
A
PHE
69
13
1_555
A
LEU
72
A
LEU
72
13
1_555
A
ILE
123
A
ILE
123
13
1_555
A
TYR
129
A
TYR
129
13
1_555
A
THR
144
A
THR
144
13
1_555
A
NAP
207
B
NAP
13
1_555
4
P 1 21 1