0.029446
0.000000
0.000000
0.000000
0.022310
0.000000
0.000000
0.000000
0.010178
0.00000
0.00000
0.00000
Wilson, M.A.
Wan, Q.
Bennet, B.C.
Dealwis, C.
Ringe, D.
Petsko, G.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
33.960
44.823
98.254
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 O4 S
153.157
n
3-SULFINOALANINE
S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C19 H19 N7 O6
441.397
FOLIC ACID
non-polymer
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
Mn 2
54.938
MANGANESE (II) ION
non-polymer
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
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
S
N
78
N
C
N
79
N
O
N
80
N
O
N
81
N
O
N
82
N
O
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
N
N
91
R
C
N
92
N
C
N
93
N
O
N
94
N
C
N
95
N
S
N
96
N
O
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
Y
104
N
N
Y
105
N
C
N
106
N
N
Y
107
N
N
Y
108
N
C
N
109
N
O
Y
110
N
C
Y
111
N
N
Y
112
N
C
Y
113
N
C
Y
114
N
N
Y
115
N
C
N
116
N
C
N
117
N
N
Y
118
N
C
Y
119
N
C
Y
120
N
C
Y
121
N
C
Y
122
N
C
Y
123
N
C
N
124
N
C
N
125
N
O
N
126
N
N
N
127
S
C
N
128
N
C
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
O
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
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
H
N
154
N
H
N
155
N
N
N
156
S
C
N
157
N
C
N
158
N
O
N
159
N
C
N
160
N
C
N
161
N
C
N
162
N
O
N
163
N
N
N
164
N
O
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
H
N
173
N
H
N
174
N
H
N
175
N
N
N
176
S
C
N
177
N
C
N
178
N
O
N
179
N
C
N
180
N
C
N
181
N
C
N
182
N
O
N
183
N
O
N
184
N
O
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
N
N
195
N
C
N
196
N
C
N
197
N
O
N
198
N
O
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
N
N
205
S
C
N
206
N
C
N
207
N
O
N
208
N
C
Y
209
N
C
Y
210
N
N
Y
211
N
C
Y
212
N
C
Y
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
O
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
S
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
O
N
259
N
H
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
N
N
273
S
C
N
274
N
C
N
275
N
O
N
276
N
C
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
N
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
N
N
298
S
C
N
299
N
C
N
300
N
O
N
301
N
C
N
302
N
C
N
303
N
S
N
304
N
C
N
305
N
O
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
MN
N
318
R
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
R
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
N
Y
333
N
C
Y
334
N
C
N
335
N
N
Y
336
N
N
Y
337
N
C
Y
338
N
N
Y
339
N
C
N
340
N
O
N
341
N
P
N
342
N
O
N
343
N
O
N
344
N
O
N
345
N
C
N
346
R
C
N
347
N
O
N
348
S
C
N
349
N
O
N
350
R
C
N
351
N
O
N
352
R
C
Y
353
N
N
Y
354
N
C
Y
355
N
C
N
356
N
C
N
357
N
O
N
358
N
N
Y
359
N
C
Y
360
N
C
Y
361
N
C
N
362
N
P
N
363
N
O
N
364
N
O
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
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
H
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
Y
399
N
C
Y
400
N
C
Y
401
N
C
Y
402
N
C
Y
403
N
C
Y
404
N
C
N
405
N
O
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
N
N
418
S
C
N
419
N
C
N
420
N
O
N
421
N
C
N
422
N
C
N
423
N
C
N
424
N
O
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
H
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
N
N
435
S
C
N
436
N
C
N
437
N
O
N
438
N
C
N
439
N
O
N
440
N
O
N
441
N
H
N
442
N
H
N
443
N
H
N
444
N
H
N
445
N
H
N
446
N
H
N
447
N
H
N
448
N
N
N
449
S
C
N
450
N
C
N
451
N
O
N
452
R
C
N
453
N
O
N
454
N
C
N
455
N
O
N
456
N
H
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
N
N
466
S
C
N
467
N
C
N
468
N
O
N
469
N
C
Y
470
N
C
Y
471
N
C
Y
472
N
C
Y
473
N
N
Y
474
N
C
Y
475
N
C
Y
476
N
C
Y
477
N
C
Y
478
N
C
N
479
N
O
N
480
N
H
N
481
N
H
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
N
N
493
S
C
N
494
N
C
N
495
N
O
N
496
N
C
Y
497
N
C
Y
498
N
C
Y
499
N
C
Y
500
N
C
Y
501
N
C
Y
502
N
C
N
503
N
O
N
504
N
O
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
512
N
H
N
513
N
H
N
514
N
H
N
515
N
H
N
516
N
N
N
517
S
C
N
518
N
C
N
519
N
O
N
520
N
C
N
521
N
C
N
522
N
C
N
523
N
O
N
524
N
H
N
525
N
H
N
526
N
H
N
527
N
H
N
528
N
H
N
529
N
H
N
530
N
H
N
531
N
H
N
532
N
H
N
533
N
H
N
534
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
sing
N
77
N
sing
N
78
N
sing
N
79
N
doub
N
80
N
sing
N
81
N
doub
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
sing
N
90
N
sing
N
91
N
doub
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
Y
98
N
sing
Y
99
N
sing
N
100
N
sing
N
101
N
sing
Y
102
N
doub
N
103
N
sing
N
104
N
sing
Y
105
N
sing
N
106
N
doub
Y
107
N
sing
Y
108
N
sing
Y
109
N
doub
Y
110
N
doub
Y
111
N
sing
N
112
N
sing
Y
113
N
doub
N
114
N
sing
Y
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
Y
121
N
doub
Y
122
N
sing
N
123
N
sing
Y
124
N
sing
N
125
N
sing
Y
126
N
doub
N
127
N
sing
Y
128
N
sing
Y
129
N
doub
N
130
N
sing
N
131
N
sing
N
132
N
doub
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
146
N
sing
N
147
N
sing
N
148
N
doub
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
doub
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
doub
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
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
doub
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
doub
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
doub
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
Y
208
N
sing
Y
209
N
doub
Y
210
N
doub
N
211
N
sing
Y
212
N
sing
N
213
N
sing
Y
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
doub
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
doub
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
doub
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
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
Y
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
sing
Y
333
N
sing
Y
334
N
doub
N
335
N
sing
Y
336
N
doub
N
337
N
sing
N
338
N
sing
Y
339
N
sing
Y
340
N
doub
N
341
N
sing
Y
342
N
sing
N
343
N
sing
N
344
N
doub
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
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
Y
365
N
sing
Y
366
N
doub
Y
367
N
doub
N
368
N
sing
N
369
N
sing
Y
370
N
sing
N
371
N
doub
N
372
N
sing
N
373
N
sing
N
374
N
sing
Y
375
N
doub
N
376
N
sing
Y
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
doub
N
381
N
sing
N
382
N
sing
N
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
doub
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
Y
396
N
doub
Y
397
N
sing
Y
398
N
sing
N
399
N
sing
Y
400
N
doub
N
401
N
sing
Y
402
N
doub
N
403
N
sing
Y
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
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
doub
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
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
doub
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
doub
N
445
N
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
sing
N
457
N
sing
N
458
N
sing
N
459
N
sing
N
460
N
doub
N
461
N
sing
N
462
N
sing
N
463
N
sing
N
464
N
sing
Y
465
N
doub
Y
466
N
sing
Y
467
N
sing
N
468
N
sing
Y
469
N
doub
Y
470
N
sing
Y
471
N
sing
N
472
N
sing
Y
473
N
sing
Y
474
N
doub
N
475
N
sing
Y
476
N
doub
N
477
N
sing
Y
478
N
sing
N
479
N
sing
N
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
doub
N
489
N
sing
N
490
N
sing
N
491
N
sing
N
492
N
sing
Y
493
N
doub
Y
494
N
sing
Y
495
N
sing
N
496
N
sing
Y
497
N
doub
N
498
N
sing
Y
499
N
doub
N
500
N
sing
Y
501
N
sing
N
502
N
sing
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
doub
N
513
N
sing
N
514
N
sing
N
515
N
sing
N
516
N
sing
N
517
N
sing
N
518
N
sing
N
519
N
sing
N
520
N
sing
N
521
N
sing
N
522
N
sing
N
523
N
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
22
899
910
10.1073/pnas.1415856111
25453083
Toward resolving the catalytic mechanism of dihydrofolate reductase using neutron and ultrahigh-resolution X-ray crystallography.
2014
10.2210/pdb4psy/pdb
pdb_00004psy
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2005-04-25
ADSC QUANTUM 315
Si(111)
SINGLE WAVELENGTH
M
x-ray
1
0.9
1.0
BL11-1
SSRL
0.9
SYNCHROTRON
SSRL BEAMLINE BL11-1
18051.338
Dihydrofolate reductase
1
man
polymer
441.397
FOLIC ACID
1
syn
non-polymer
743.405
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
1
syn
non-polymer
54.938
MANGANESE (II) ION
2
syn
non-polymer
18.015
water
356
nat
water
no
yes
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSY(CSD)FEIL
ERR
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
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
sample
BN896_0046, folA
1403831
Escherichia coli
562
Escherichia coli
BL21(DE3)
PLASMID
pET22b
1
2.07
40.62
VAPOR DIFFUSION, HANGING DROP
7.0
17% PEG 400, 20 mM imidazole pH 7.0, 125 mM MnCl2, VAPOR DIFFUSION, HANGING DROP
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_conn_type
struct_site
repository
Initial release
Database references
Database references
Non-polymer description
Database references
Data collection
Database references
Derived calculations
Refinement description
1
0
2014-05-14
1
1
2014-07-16
1
2
2014-10-15
1
3
2014-11-19
1
4
2014-12-17
1
5
2023-09-20
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_alt_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_alt_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.pdbx_ptnr1_label_alt_id
_struct_conn.pdbx_ptnr2_label_alt_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn_type.id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Multiconformer qFit model refined against same dataset
RCSB
Y
RCSB
2014-03-08
REL
REL
FOL
FOLIC ACID
NAP
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
MN
MANGANESE (II) ION
HOH
water
1RX2
PDB
experimental model
FOL
1
2
FOL
FOL
201
A
NAP
1
3
NAP
NAP
202
A
MN
1
4
MN
MN
203
A
MN
2
4
MN
MN
204
A
HOH
1
5
HOH
HOH
301
A
HOH
2
5
HOH
HOH
302
A
HOH
3
5
HOH
HOH
303
A
HOH
4
5
HOH
HOH
304
A
HOH
5
5
HOH
HOH
305
A
HOH
6
5
HOH
HOH
306
A
HOH
7
5
HOH
HOH
307
A
HOH
8
5
HOH
HOH
308
A
HOH
9
5
HOH
HOH
309
A
HOH
10
5
HOH
HOH
310
A
HOH
11
5
HOH
HOH
311
A
HOH
12
5
HOH
HOH
312
A
HOH
13
5
HOH
HOH
313
A
HOH
14
5
HOH
HOH
314
A
HOH
15
5
HOH
HOH
315
A
HOH
16
5
HOH
HOH
316
A
HOH
17
5
HOH
HOH
317
A
HOH
18
5
HOH
HOH
318
A
HOH
19
5
HOH
HOH
319
A
HOH
20
5
HOH
HOH
320
A
HOH
21
5
HOH
HOH
321
A
HOH
22
5
HOH
HOH
322
A
HOH
23
5
HOH
HOH
323
A
HOH
24
5
HOH
HOH
324
A
HOH
25
5
HOH
HOH
325
A
HOH
26
5
HOH
HOH
326
A
HOH
27
5
HOH
HOH
327
A
HOH
28
5
HOH
HOH
328
A
HOH
29
5
HOH
HOH
329
A
HOH
30
5
HOH
HOH
330
A
HOH
31
5
HOH
HOH
331
A
HOH
32
5
HOH
HOH
332
A
HOH
33
5
HOH
HOH
333
A
HOH
34
5
HOH
HOH
334
A
HOH
35
5
HOH
HOH
335
A
HOH
36
5
HOH
HOH
336
A
HOH
37
5
HOH
HOH
337
A
HOH
38
5
HOH
HOH
338
A
HOH
39
5
HOH
HOH
339
A
HOH
40
5
HOH
HOH
340
A
HOH
41
5
HOH
HOH
341
A
HOH
42
5
HOH
HOH
342
A
HOH
43
5
HOH
HOH
343
A
HOH
44
5
HOH
HOH
344
A
HOH
45
5
HOH
HOH
345
A
HOH
46
5
HOH
HOH
346
A
HOH
47
5
HOH
HOH
347
A
HOH
48
5
HOH
HOH
348
A
HOH
49
5
HOH
HOH
349
A
HOH
50
5
HOH
HOH
350
A
HOH
51
5
HOH
HOH
351
A
HOH
52
5
HOH
HOH
352
A
HOH
53
5
HOH
HOH
353
A
HOH
54
5
HOH
HOH
354
A
HOH
55
5
HOH
HOH
355
A
HOH
56
5
HOH
HOH
356
A
HOH
57
5
HOH
HOH
357
A
HOH
58
5
HOH
HOH
358
A
HOH
59
5
HOH
HOH
359
A
HOH
60
5
HOH
HOH
360
A
HOH
61
5
HOH
HOH
361
A
HOH
62
5
HOH
HOH
362
A
HOH
63
5
HOH
HOH
363
A
HOH
64
5
HOH
HOH
364
A
HOH
65
5
HOH
HOH
365
A
HOH
66
5
HOH
HOH
366
A
HOH
67
5
HOH
HOH
367
A
HOH
68
5
HOH
HOH
368
A
HOH
69
5
HOH
HOH
369
A
HOH
70
5
HOH
HOH
370
A
HOH
71
5
HOH
HOH
371
A
HOH
72
5
HOH
HOH
372
A
HOH
73
5
HOH
HOH
373
A
HOH
74
5
HOH
HOH
374
A
HOH
75
5
HOH
HOH
375
A
HOH
76
5
HOH
HOH
376
A
HOH
77
5
HOH
HOH
377
A
HOH
78
5
HOH
HOH
378
A
HOH
79
5
HOH
HOH
379
A
HOH
80
5
HOH
HOH
380
A
HOH
81
5
HOH
HOH
381
A
HOH
82
5
HOH
HOH
382
A
HOH
83
5
HOH
HOH
383
A
HOH
84
5
HOH
HOH
384
A
HOH
85
5
HOH
HOH
385
A
HOH
86
5
HOH
HOH
386
A
HOH
87
5
HOH
HOH
387
A
HOH
88
5
HOH
HOH
388
A
HOH
89
5
HOH
HOH
389
A
HOH
90
5
HOH
HOH
390
A
HOH
91
5
HOH
HOH
391
A
HOH
92
5
HOH
HOH
392
A
HOH
93
5
HOH
HOH
393
A
HOH
94
5
HOH
HOH
394
A
HOH
95
5
HOH
HOH
395
A
HOH
96
5
HOH
HOH
396
A
HOH
97
5
HOH
HOH
397
A
HOH
98
5
HOH
HOH
398
A
HOH
99
5
HOH
HOH
399
A
HOH
100
5
HOH
HOH
400
A
HOH
101
5
HOH
HOH
401
A
HOH
102
5
HOH
HOH
402
A
HOH
103
5
HOH
HOH
403
A
HOH
104
5
HOH
HOH
404
A
HOH
105
5
HOH
HOH
405
A
HOH
106
5
HOH
HOH
406
A
HOH
107
5
HOH
HOH
407
A
HOH
108
5
HOH
HOH
408
A
HOH
109
5
HOH
HOH
409
A
HOH
110
5
HOH
HOH
410
A
HOH
111
5
HOH
HOH
411
A
HOH
112
5
HOH
HOH
412
A
HOH
113
5
HOH
HOH
413
A
HOH
114
5
HOH
HOH
414
A
HOH
115
5
HOH
HOH
415
A
HOH
116
5
HOH
HOH
416
A
HOH
117
5
HOH
HOH
417
A
HOH
118
5
HOH
HOH
418
A
HOH
119
5
HOH
HOH
419
A
HOH
120
5
HOH
HOH
420
A
HOH
121
5
HOH
HOH
421
A
HOH
122
5
HOH
HOH
422
A
HOH
123
5
HOH
HOH
423
A
HOH
124
5
HOH
HOH
424
A
HOH
125
5
HOH
HOH
425
A
HOH
126
5
HOH
HOH
426
A
HOH
127
5
HOH
HOH
427
A
HOH
128
5
HOH
HOH
428
A
HOH
129
5
HOH
HOH
429
A
HOH
130
5
HOH
HOH
430
A
HOH
131
5
HOH
HOH
431
A
HOH
132
5
HOH
HOH
432
A
HOH
133
5
HOH
HOH
433
A
HOH
134
5
HOH
HOH
434
A
HOH
135
5
HOH
HOH
435
A
HOH
136
5
HOH
HOH
436
A
HOH
137
5
HOH
HOH
437
A
HOH
138
5
HOH
HOH
438
A
HOH
139
5
HOH
HOH
439
A
HOH
140
5
HOH
HOH
440
A
HOH
141
5
HOH
HOH
441
A
HOH
142
5
HOH
HOH
442
A
HOH
143
5
HOH
HOH
443
A
HOH
144
5
HOH
HOH
444
A
HOH
145
5
HOH
HOH
445
A
HOH
146
5
HOH
HOH
446
A
HOH
147
5
HOH
HOH
447
A
HOH
148
5
HOH
HOH
448
A
HOH
149
5
HOH
HOH
449
A
HOH
150
5
HOH
HOH
450
A
HOH
151
5
HOH
HOH
451
A
HOH
152
5
HOH
HOH
452
A
HOH
153
5
HOH
HOH
453
A
HOH
154
5
HOH
HOH
454
A
HOH
155
5
HOH
HOH
455
A
HOH
156
5
HOH
HOH
456
A
HOH
157
5
HOH
HOH
457
A
HOH
158
5
HOH
HOH
458
A
HOH
159
5
HOH
HOH
459
A
HOH
160
5
HOH
HOH
460
A
HOH
161
5
HOH
HOH
461
A
HOH
162
5
HOH
HOH
462
A
HOH
163
5
HOH
HOH
463
A
HOH
164
5
HOH
HOH
464
A
HOH
165
5
HOH
HOH
465
A
HOH
166
5
HOH
HOH
466
A
HOH
167
5
HOH
HOH
467
A
HOH
168
5
HOH
HOH
468
A
HOH
169
5
HOH
HOH
469
A
HOH
170
5
HOH
HOH
470
A
HOH
171
5
HOH
HOH
471
A
HOH
172
5
HOH
HOH
472
A
HOH
173
5
HOH
HOH
473
A
HOH
174
5
HOH
HOH
474
A
HOH
175
5
HOH
HOH
475
A
HOH
176
5
HOH
HOH
476
A
HOH
177
5
HOH
HOH
477
A
HOH
178
5
HOH
HOH
478
A
HOH
179
5
HOH
HOH
479
A
HOH
180
5
HOH
HOH
480
A
HOH
181
5
HOH
HOH
481
A
HOH
183
5
HOH
HOH
482
A
HOH
184
5
HOH
HOH
483
A
HOH
185
5
HOH
HOH
484
A
HOH
186
5
HOH
HOH
485
A
HOH
187
5
HOH
HOH
486
A
HOH
188
5
HOH
HOH
487
A
HOH
189
5
HOH
HOH
488
A
HOH
190
5
HOH
HOH
489
A
HOH
191
5
HOH
HOH
490
A
HOH
192
5
HOH
HOH
491
A
HOH
193
5
HOH
HOH
492
A
HOH
194
5
HOH
HOH
493
A
HOH
195
5
HOH
HOH
494
A
HOH
196
5
HOH
HOH
495
A
HOH
197
5
HOH
HOH
496
A
HOH
198
5
HOH
HOH
497
A
HOH
199
5
HOH
HOH
498
A
HOH
200
5
HOH
HOH
499
A
HOH
201
5
HOH
HOH
500
A
HOH
202
5
HOH
HOH
501
A
HOH
203
5
HOH
HOH
502
A
HOH
204
5
HOH
HOH
503
A
HOH
205
5
HOH
HOH
504
A
HOH
206
5
HOH
HOH
505
A
HOH
207
5
HOH
HOH
506
A
HOH
208
5
HOH
HOH
507
A
HOH
209
5
HOH
HOH
508
A
HOH
210
5
HOH
HOH
509
A
HOH
211
5
HOH
HOH
510
A
HOH
212
5
HOH
HOH
511
A
HOH
213
5
HOH
HOH
512
A
HOH
214
5
HOH
HOH
513
A
HOH
215
5
HOH
HOH
514
A
HOH
216
5
HOH
HOH
515
A
HOH
217
5
HOH
HOH
516
A
HOH
218
5
HOH
HOH
517
A
HOH
219
5
HOH
HOH
518
A
HOH
220
5
HOH
HOH
519
A
HOH
221
5
HOH
HOH
520
A
HOH
222
5
HOH
HOH
521
A
HOH
223
5
HOH
HOH
522
A
HOH
224
5
HOH
HOH
523
A
HOH
225
5
HOH
HOH
524
A
HOH
226
5
HOH
HOH
525
A
HOH
227
5
HOH
HOH
526
A
HOH
228
5
HOH
HOH
527
A
HOH
229
5
HOH
HOH
528
A
HOH
230
5
HOH
HOH
529
A
HOH
231
5
HOH
HOH
530
A
HOH
232
5
HOH
HOH
531
A
HOH
233
5
HOH
HOH
532
A
HOH
234
5
HOH
HOH
533
A
HOH
235
5
HOH
HOH
534
A
HOH
236
5
HOH
HOH
535
A
HOH
237
5
HOH
HOH
536
A
HOH
238
5
HOH
HOH
537
A
HOH
239
5
HOH
HOH
538
A
HOH
240
5
HOH
HOH
539
A
HOH
241
5
HOH
HOH
540
A
HOH
242
5
HOH
HOH
541
A
HOH
243
5
HOH
HOH
542
A
HOH
244
5
HOH
HOH
543
A
HOH
245
5
HOH
HOH
544
A
HOH
246
5
HOH
HOH
545
A
HOH
247
5
HOH
HOH
546
A
HOH
248
5
HOH
HOH
547
A
HOH
249
5
HOH
HOH
548
A
HOH
250
5
HOH
HOH
549
A
HOH
251
5
HOH
HOH
550
A
HOH
252
5
HOH
HOH
551
A
HOH
253
5
HOH
HOH
552
A
HOH
254
5
HOH
HOH
553
A
HOH
255
5
HOH
HOH
554
A
HOH
256
5
HOH
HOH
555
A
HOH
257
5
HOH
HOH
556
A
HOH
258
5
HOH
HOH
557
A
HOH
259
5
HOH
HOH
558
A
HOH
260
5
HOH
HOH
559
A
HOH
261
5
HOH
HOH
560
A
HOH
262
5
HOH
HOH
561
A
HOH
263
5
HOH
HOH
562
A
HOH
264
5
HOH
HOH
563
A
HOH
265
5
HOH
HOH
564
A
HOH
266
5
HOH
HOH
565
A
HOH
267
5
HOH
HOH
566
A
HOH
268
5
HOH
HOH
567
A
HOH
269
5
HOH
HOH
568
A
HOH
270
5
HOH
HOH
569
A
HOH
271
5
HOH
HOH
570
A
HOH
272
5
HOH
HOH
571
A
HOH
273
5
HOH
HOH
572
A
HOH
274
5
HOH
HOH
573
A
HOH
275
5
HOH
HOH
574
A
HOH
276
5
HOH
HOH
575
A
HOH
277
5
HOH
HOH
576
A
HOH
278
5
HOH
HOH
577
A
HOH
279
5
HOH
HOH
578
A
HOH
280
5
HOH
HOH
579
A
HOH
281
5
HOH
HOH
580
A
HOH
282
5
HOH
HOH
581
A
HOH
283
5
HOH
HOH
582
A
HOH
284
5
HOH
HOH
583
A
HOH
285
5
HOH
HOH
584
A
HOH
286
5
HOH
HOH
585
A
HOH
287
5
HOH
HOH
586
A
HOH
288
5
HOH
HOH
587
A
HOH
289
5
HOH
HOH
588
A
HOH
290
5
HOH
HOH
589
A
HOH
291
5
HOH
HOH
590
A
HOH
292
5
HOH
HOH
591
A
HOH
293
5
HOH
HOH
592
A
HOH
294
5
HOH
HOH
593
A
HOH
295
5
HOH
HOH
594
A
HOH
296
5
HOH
HOH
595
A
HOH
297
5
HOH
HOH
596
A
HOH
298
5
HOH
HOH
597
A
HOH
299
5
HOH
HOH
598
A
HOH
300
5
HOH
HOH
599
A
HOH
301
5
HOH
HOH
600
A
HOH
302
5
HOH
HOH
601
A
HOH
303
5
HOH
HOH
602
A
HOH
304
5
HOH
HOH
603
A
HOH
305
5
HOH
HOH
604
A
HOH
306
5
HOH
HOH
605
A
HOH
307
5
HOH
HOH
606
A
HOH
308
5
HOH
HOH
607
A
HOH
309
5
HOH
HOH
608
A
HOH
310
5
HOH
HOH
609
A
HOH
311
5
HOH
HOH
610
A
HOH
312
5
HOH
HOH
611
A
HOH
313
5
HOH
HOH
612
A
HOH
314
5
HOH
HOH
613
A
HOH
315
5
HOH
HOH
614
A
HOH
316
5
HOH
HOH
615
A
HOH
317
5
HOH
HOH
616
A
HOH
318
5
HOH
HOH
617
A
HOH
319
5
HOH
HOH
618
A
HOH
320
5
HOH
HOH
619
A
HOH
321
5
HOH
HOH
620
A
HOH
322
5
HOH
HOH
621
A
HOH
323
5
HOH
HOH
622
A
HOH
324
5
HOH
HOH
623
A
HOH
325
5
HOH
HOH
624
A
HOH
326
5
HOH
HOH
625
A
HOH
327
5
HOH
HOH
626
A
HOH
328
5
HOH
HOH
627
A
HOH
329
5
HOH
HOH
628
A
HOH
330
5
HOH
HOH
629
A
HOH
331
5
HOH
HOH
630
A
HOH
332
5
HOH
HOH
631
A
HOH
333
5
HOH
HOH
632
A
HOH
334
5
HOH
HOH
633
A
HOH
335
5
HOH
HOH
634
A
HOH
336
5
HOH
HOH
635
A
HOH
337
5
HOH
HOH
636
A
HOH
338
5
HOH
HOH
637
A
HOH
339
5
HOH
HOH
638
A
HOH
340
5
HOH
HOH
639
A
HOH
341
5
HOH
HOH
640
A
HOH
342
5
HOH
HOH
641
A
HOH
343
5
HOH
HOH
642
A
HOH
344
5
HOH
HOH
643
A
HOH
345
5
HOH
HOH
644
A
HOH
346
5
HOH
HOH
645
A
HOH
347
5
HOH
HOH
646
A
HOH
348
5
HOH
HOH
647
A
HOH
349
5
HOH
HOH
648
A
HOH
350
5
HOH
HOH
649
A
HOH
351
5
HOH
HOH
650
A
HOH
352
5
HOH
HOH
651
A
HOH
353
5
HOH
HOH
652
A
HOH
354
5
HOH
HOH
653
A
HOH
355
5
HOH
HOH
654
A
HOH
356
5
HOH
HOH
655
A
HOH
357
5
HOH
HOH
656
A
MET
1
n
1
MET
1
A
ILE
2
n
2
ILE
2
A
SER
3
n
3
SER
3
A
LEU
4
n
4
LEU
4
A
ILE
5
n
5
ILE
5
A
ALA
6
n
6
ALA
6
A
ALA
7
n
7
ALA
7
A
LEU
8
n
8
LEU
8
A
ALA
9
n
9
ALA
9
A
VAL
10
n
10
VAL
10
A
ASP
11
n
11
ASP
11
A
ARG
12
n
12
ARG
12
A
VAL
13
n
13
VAL
13
A
ILE
14
n
14
ILE
14
A
GLY
15
n
15
GLY
15
A
MET
16
n
16
MET
16
A
GLU
17
n
17
GLU
17
A
ASN
18
n
18
ASN
18
A
ALA
19
n
19
ALA
19
A
MET
20
n
20
MET
20
A
PRO
21
n
21
PRO
21
A
TRP
22
n
22
TRP
22
A
ASN
23
n
23
ASN
23
A
LEU
24
n
24
LEU
24
A
PRO
25
n
25
PRO
25
A
ALA
26
n
26
ALA
26
A
ASP
27
n
27
ASP
27
A
LEU
28
n
28
LEU
28
A
ALA
29
n
29
ALA
29
A
TRP
30
n
30
TRP
30
A
PHE
31
n
31
PHE
31
A
LYS
32
n
32
LYS
32
A
ARG
33
n
33
ARG
33
A
ASN
34
n
34
ASN
34
A
THR
35
n
35
THR
35
A
LEU
36
n
36
LEU
36
A
ASN
37
n
37
ASN
37
A
LYS
38
n
38
LYS
38
A
PRO
39
n
39
PRO
39
A
VAL
40
n
40
VAL
40
A
ILE
41
n
41
ILE
41
A
MET
42
n
42
MET
42
A
GLY
43
n
43
GLY
43
A
ARG
44
n
44
ARG
44
A
HIS
45
n
45
HIS
45
A
THR
46
n
46
THR
46
A
TRP
47
n
47
TRP
47
A
GLU
48
n
48
GLU
48
A
SER
49
n
49
SER
49
A
ILE
50
n
50
ILE
50
A
GLY
51
n
51
GLY
51
A
ARG
52
n
52
ARG
52
A
PRO
53
n
53
PRO
53
A
LEU
54
n
54
LEU
54
A
PRO
55
n
55
PRO
55
A
GLY
56
n
56
GLY
56
A
ARG
57
n
57
ARG
57
A
LYS
58
n
58
LYS
58
A
ASN
59
n
59
ASN
59
A
ILE
60
n
60
ILE
60
A
ILE
61
n
61
ILE
61
A
LEU
62
n
62
LEU
62
A
SER
63
n
63
SER
63
A
SER
64
n
64
SER
64
A
GLN
65
n
65
GLN
65
A
PRO
66
n
66
PRO
66
A
GLY
67
n
67
GLY
67
A
THR
68
n
68
THR
68
A
ASP
69
n
69
ASP
69
A
ASP
70
n
70
ASP
70
A
ARG
71
n
71
ARG
71
A
VAL
72
n
72
VAL
72
A
THR
73
n
73
THR
73
A
TRP
74
n
74
TRP
74
A
VAL
75
n
75
VAL
75
A
LYS
76
n
76
LYS
76
A
SER
77
n
77
SER
77
A
VAL
78
n
78
VAL
78
A
ASP
79
n
79
ASP
79
A
GLU
80
n
80
GLU
80
A
ALA
81
n
81
ALA
81
A
ILE
82
n
82
ILE
82
A
ALA
83
n
83
ALA
83
A
ALA
84
n
84
ALA
84
A
CYS
85
n
85
CYS
85
A
GLY
86
n
86
GLY
86
A
ASP
87
n
87
ASP
87
A
VAL
88
n
88
VAL
88
A
PRO
89
n
89
PRO
89
A
GLU
90
n
90
GLU
90
A
ILE
91
n
91
ILE
91
A
MET
92
n
92
MET
92
A
VAL
93
n
93
VAL
93
A
ILE
94
n
94
ILE
94
A
GLY
95
n
95
GLY
95
A
GLY
96
n
96
GLY
96
A
GLY
97
n
97
GLY
97
A
ARG
98
n
98
ARG
98
A
VAL
99
n
99
VAL
99
A
TYR
100
n
100
TYR
100
A
GLU
101
n
101
GLU
101
A
GLN
102
n
102
GLN
102
A
PHE
103
n
103
PHE
103
A
LEU
104
n
104
LEU
104
A
PRO
105
n
105
PRO
105
A
LYS
106
n
106
LYS
106
A
ALA
107
n
107
ALA
107
A
GLN
108
n
108
GLN
108
A
LYS
109
n
109
LYS
109
A
LEU
110
n
110
LEU
110
A
TYR
111
n
111
TYR
111
A
LEU
112
n
112
LEU
112
A
THR
113
n
113
THR
113
A
HIS
114
n
114
HIS
114
A
ILE
115
n
115
ILE
115
A
ASP
116
n
116
ASP
116
A
ALA
117
n
117
ALA
117
A
GLU
118
n
118
GLU
118
A
VAL
119
n
119
VAL
119
A
GLU
120
n
120
GLU
120
A
GLY
121
n
121
GLY
121
A
ASP
122
n
122
ASP
122
A
THR
123
n
123
THR
123
A
HIS
124
n
124
HIS
124
A
PHE
125
n
125
PHE
125
A
PRO
126
n
126
PRO
126
A
ASP
127
n
127
ASP
127
A
TYR
128
n
128
TYR
128
A
GLU
129
n
129
GLU
129
A
PRO
130
n
130
PRO
130
A
ASP
131
n
131
ASP
131
A
ASP
132
n
132
ASP
132
A
TRP
133
n
133
TRP
133
A
GLU
134
n
134
GLU
134
A
SER
135
n
135
SER
135
A
VAL
136
n
136
VAL
136
A
PHE
137
n
137
PHE
137
A
SER
138
n
138
SER
138
A
GLU
139
n
139
GLU
139
A
PHE
140
n
140
PHE
140
A
HIS
141
n
141
HIS
141
A
ASP
142
n
142
ASP
142
A
ALA
143
n
143
ALA
143
A
ASP
144
n
144
ASP
144
A
ALA
145
n
145
ALA
145
A
GLN
146
n
146
GLN
146
A
ASN
147
n
147
ASN
147
A
SER
148
n
148
SER
148
A
HIS
149
n
149
HIS
149
A
SER
150
n
150
SER
150
A
TYR
151
n
151
TYR
151
A
CSD
152
n
152
CSD
152
A
PHE
153
n
153
PHE
153
A
GLU
154
n
154
GLU
154
A
ILE
155
n
155
ILE
155
A
LEU
156
n
156
LEU
156
A
GLU
157
n
157
GLU
157
A
ARG
158
n
158
ARG
158
A
ARG
159
n
159
ARG
159
A
0.1184
0.1128
0.1026
0.1125
0.1184
0.1280
5478
6501
5
5
109326
author_and_software_defined_assembly
PISA
1
monomeric
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
A
HIS
149
B
A
ND1
HIS
149
1_555
95.3
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
A
HIS
149
A
A
ND1
HIS
149
1_555
87.4
A
HIS
149
B
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HIS
149
A
A
ND1
HIS
149
1_555
11.7
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
568
F
O
HOH
1_555
79.3
A
HIS
149
B
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
568
F
O
HOH
1_555
93.8
A
HIS
149
A
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
568
F
O
HOH
1_555
100.7
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
569
F
O
HOH
1_555
94.6
A
HIS
149
B
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
569
F
O
HOH
1_555
169.8
A
HIS
149
A
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
569
F
O
HOH
1_555
173.5
A
HOH
568
F
O
HOH
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
569
F
O
HOH
1_555
85.8
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
158.8
A
HIS
149
B
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
94.3
A
HIS
149
A
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
104.5
A
HOH
568
F
O
HOH
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
81.2
A
HOH
569
F
O
HOH
1_555
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
75.6
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
562
F
O
HOH
1_555
97.1
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
563
F
O
HOH
1_555
84.4
A
HOH
562
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
563
F
O
HOH
1_555
87.1
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
564
F
O
HOH
1_555
171.3
A
HOH
562
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
564
F
O
HOH
1_555
84.5
A
HOH
563
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
564
F
O
HOH
1_555
104.2
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
565
F
O
HOH
1_555
88.6
A
HOH
562
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
565
F
O
HOH
1_555
95.6
A
HOH
563
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
565
F
O
HOH
1_555
172.7
A
HOH
564
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
565
F
O
HOH
1_555
82.8
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
87.9
A
HOH
562
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
174.6
A
HOH
563
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
95.7
A
HOH
564
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
90.2
A
HOH
565
F
O
HOH
1_555
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
82.2
A
CSD
152
3-SULFINOALANINE
A
CSD
152
CYS
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
THR
73
A
O
THR
73
A
N
ILE
61
A
N
ILE
61
A
O
ILE
60
A
O
ILE
60
A
N
VAL
40
A
N
VAL
40
A
N
ILE
41
A
N
ILE
41
A
O
MET
92
A
O
MET
92
A
O
VAL
93
A
O
VAL
93
A
N
SER
3
A
N
SER
3
A
N
LEU
8
A
N
LEU
8
A
O
THR
113
A
O
THR
113
A
N
HIS
114
A
N
HIS
114
A
O
CSD
152
A
O
CSD
152
A
O
TYR
151
A
O
TYR
151
A
N
HIS
141
A
N
HIS
141
A
N
ILE
14
A
N
ILE
14
A
O
THR
123
A
O
THR
123
1
7.50
0.50
120.30
127.80
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
33
33
33
B
B
B
N
1
15.19
2.10
111.80
126.99
A
A
A
CG
CD
NE
ARG
ARG
ARG
52
52
52
A
A
A
N
1
9.30
1.40
123.60
132.90
A
A
A
CD
NE
CZ
ARG
ARG
ARG
52
52
52
A
A
A
N
1
11.33
1.40
123.60
134.93
A
A
A
CD
NE
CZ
ARG
ARG
ARG
52
52
52
B
B
B
N
1
-4.31
0.50
120.30
115.99
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
52
52
52
A
A
A
N
1
11.14
1.20
123.30
134.44
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
120
120
120
N
1
-3.17
0.50
120.30
117.13
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
158
158
158
N
1
-4.48
0.50
120.30
115.82
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
159
159
159
N
1
5.83
0.50
120.30
126.13
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
159
159
159
N
1
A
ASP
69
-168.65
113.29
0.1280
0.1125
0.1128
0.1125
0.85
40.8
20095
6501
130053
130053
33787
5
98.3
RANDOM
1
FREE R
0.0
MOLECULAR REPLACEMENT
1RX2
Engh & Huber
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228
89
1193.00
1673.94
0.85
40.8
356
1708
82
0
1270
0.0116
0.3150
0.0000
0.3760
0.0902
0.0996
0.0311
0.0000
0.0431
0.1394
0.254
0.88
13235
95.74
7.68
0.85
40.8
4PSY
130200
130200
-3
-3
0.049
1
36.3
5.5
98.2
0.550
0.85
0.88
2.3
12715
1
4.0
97.2
data collection
ADSC
Quantum
model building
SHELX
refinement
SHELXL-97
data reduction
HKL-2000
data scaling
HKL-2000
phasing
SHELX
100K crystal structure of Escherichia coli dihydrofolate reductase
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
5
N
N
A
ALA
9
A
ALA
9
HELX_P
A
ASP
11
A
ASP
11
5
1
3
A
LEU
24
A
LEU
24
HELX_P
A
LEU
36
A
LEU
36
1
2
13
A
ARG
44
A
ARG
44
HELX_P
A
GLY
51
A
GLY
51
1
3
8
A
SER
77
A
SER
77
HELX_P
A
GLY
86
A
GLY
86
1
4
10
A
GLY
96
A
GLY
96
HELX_P
A
LEU
104
A
LEU
104
1
5
9
A
PRO
105
A
PRO
105
HELX_P
A
ALA
107
A
ALA
107
5
6
3
A
GLU
129
A
GLU
129
HELX_P
A
ASP
131
A
ASP
131
5
7
3
covale
1.336
both
A
A
TYR
151
A
C
TYR
151
1_555
A
CSD
152
A
N
CSD
152
1_555
covale
1.343
both
B
A
TYR
151
A
C
TYR
151
1_555
A
CSD
152
A
N
CSD
152
1_555
covale
1.342
both
A
A
CSD
152
A
C
CSD
152
1_555
A
PHE
153
A
N
PHE
153
1_555
covale
1.334
both
B
A
CSD
152
A
C
CSD
152
1_555
A
PHE
153
A
N
PHE
153
1_555
metalc
2.105
A
ASP
116
A
O
ASP
116
1_555
A
MN
203
D
MN
MN
1_555
metalc
1.913
B
A
HIS
149
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
metalc
2.432
A
A
HIS
149
A
ND1
HIS
149
1_555
A
MN
203
D
MN
MN
1_555
metalc
2.244
A
GLU
154
A
OE2
GLU
154
1_555
A
MN
204
E
MN
MN
1_555
metalc
2.331
A
MN
203
D
MN
MN
1_555
A
HOH
568
F
O
HOH
1_555
metalc
1.976
A
MN
203
D
MN
MN
1_555
A
HOH
569
F
O
HOH
1_555
metalc
1.884
A
MN
203
D
MN
MN
1_555
A
HOH
583
F
O
HOH
1_555
metalc
2.122
A
MN
204
E
MN
MN
1_555
A
HOH
562
F
O
HOH
1_555
metalc
2.122
A
MN
204
E
MN
MN
1_555
A
HOH
563
F
O
HOH
1_555
metalc
2.234
A
MN
204
E
MN
MN
1_555
A
HOH
564
F
O
HOH
1_555
metalc
2.295
A
MN
204
E
MN
MN
1_555
A
HOH
565
F
O
HOH
1_555
metalc
2.214
A
MN
204
E
MN
MN
1_555
A
HOH
566
F
O
HOH
1_555
OXIDOREDUCTASE
reductase, oxidoreductase
A
GLY
95
A
GLY
95
1
A
GLY
96
A
GLY
96
7.05
U6N356_ECOLI
UNP
1
1
U6N356
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDE
AIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
1
159
4PSY
1
159
U6N356
A
1
1
159
8
2
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
73
A
THR
73
A
VAL
75
A
VAL
75
A
ASN
59
A
ASN
59
A
LEU
62
A
LEU
62
A
VAL
40
A
VAL
40
A
GLY
43
A
GLY
43
A
ILE
91
A
ILE
91
A
VAL
93
A
VAL
93
A
ILE
2
A
ILE
2
A
LEU
8
A
LEU
8
A
LYS
109
A
LYS
109
A
ILE
115
A
ILE
115
A
TYR
151
A
TYR
151
A
ARG
158
A
ARG
158
A
TRP
133
A
TRP
133
A
HIS
141
A
HIS
141
A
VAL
13
A
VAL
13
A
GLY
15
A
GLY
15
A
THR
123
A
THR
123
A
HIS
124
A
HIS
124
BINDING SITE FOR RESIDUE FOL A 201
A
FOL
201
Software
25
BINDING SITE FOR RESIDUE NAP A 202
A
NAP
202
Software
39
BINDING SITE FOR RESIDUE MN A 203
A
MN
203
Software
6
BINDING SITE FOR RESIDUE MN A 204
A
MN
204
Software
6
A
ILE
5
A
ILE
5
25
1_555
A
ALA
6
A
ALA
6
25
1_555
A
ALA
7
A
ALA
7
25
1_555
A
MET
20
A
MET
20
25
1_555
A
ASP
27
A
ASP
27
25
1_555
A
LEU
28
A
LEU
28
25
1_555
A
ALA
29
A
ALA
29
25
1_555
A
PHE
31
A
PHE
31
25
1_555
A
LYS
32
A
LYS
32
25
1_555
A
ILE
50
A
ILE
50
25
1_555
A
ARG
57
A
ARG
57
25
1_555
A
ILE
94
A
ILE
94
25
1_555
A
THR
113
A
THR
113
25
1_555
A
NAP
202
C
NAP
25
1_555
A
HOH
307
F
HOH
25
1_555
A
HOH
326
F
HOH
25
1_555
A
HOH
335
F
HOH
25
1_555
A
HOH
351
F
HOH
25
1_555
A
HOH
428
F
HOH
25
1_555
A
HOH
469
F
HOH
25
1_555
A
HOH
470
F
HOH
25
1_555
A
HOH
481
F
HOH
25
1_555
A
HOH
522
F
HOH
25
1_555
A
HOH
591
F
HOH
25
1_555
A
HOH
593
F
HOH
25
1_555
A
ALA
6
A
ALA
6
39
1_555
A
ALA
7
A
ALA
7
39
1_555
A
ILE
14
A
ILE
14
39
1_555
A
GLY
15
A
GLY
15
39
1_555
A
ASN
18
A
ASN
18
39
1_555
A
ALA
19
A
ALA
19
39
1_555
A
MET
20
A
MET
20
39
1_555
A
TRP
22
A
TRP
22
39
1_555
A
GLY
43
A
GLY
43
39
1_555
A
ARG
44
A
ARG
44
39
1_555
A
HIS
45
A
HIS
45
39
1_555
A
THR
46
A
THR
46
39
1_555
A
SER
49
A
SER
49
39
1_555
A
LEU
62
A
LEU
62
39
1_555
A
SER
63
A
SER
63
39
1_555
A
SER
64
A
SER
64
39
1_555
A
GLN
65
A
GLN
65
39
1_555
A
LYS
76
A
LYS
76
39
1_555
A
ILE
94
A
ILE
94
39
1_555
A
GLY
96
A
GLY
96
39
1_555
A
GLY
97
A
GLY
97
39
1_555
A
ARG
98
A
ARG
98
39
1_555
A
VAL
99
A
VAL
99
39
1_555
A
TYR
100
A
TYR
100
39
1_555
A
GLN
102
A
GLN
102
39
1_555
A
THR
123
A
THR
123
39
1_555
A
ASP
131
A
ASP
131
39
3_655
A
FOL
201
B
FOL
39
1_555
A
HOH
314
F
HOH
39
1_555
A
HOH
334
F
HOH
39
1_555
A
HOH
339
F
HOH
39
3_755
A
HOH
347
F
HOH
39
1_555
A
HOH
351
F
HOH
39
1_555
A
HOH
357
F
HOH
39
1_555
A
HOH
385
F
HOH
39
3_655
A
HOH
508
F
HOH
39
1_555
A
HOH
537
F
HOH
39
1_555
A
HOH
548
F
HOH
39
1_555
A
HOH
587
F
HOH
39
3_755
A
ASP
116
A
ASP
116
6
1_555
A
HIS
149
A
HIS
149
6
1_555
A
ARG
159
A
ARG
159
6
1_655
A
HOH
568
F
HOH
6
1_555
A
HOH
569
F
HOH
6
1_555
A
HOH
583
F
HOH
6
1_555
A
GLU
154
A
GLU
154
6
1_555
A
HOH
562
F
HOH
6
1_555
A
HOH
563
F
HOH
6
1_555
A
HOH
564
F
HOH
6
1_555
A
HOH
565
F
HOH
6
1_555
A
HOH
566
F
HOH
6
1_555
19
P 21 21 21