0.007548
0.000000
0.000000
0.000000
0.007548
0.000000
0.000000
0.000000
0.007548
0.00000
0.00000
0.00000
Phan, J.
Mahdavian, E.
Nivens, M.C.
0000-0001-7075-7090
Minor, W.
Berger, S.
Spencer, H.T.
Dunlap, R.B.
Lebioda, L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
24
90.00
90.00
90.00
132.491
132.491
132.491
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
C5 H11 N O3 S2
197.276
n
S,S-(2-HYDROXYETHYL)THIOCYSTEINE
L-peptide linking
C6 H11 N O4 S
193.221
n
N-CARBOXYMETHIONINE
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
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
US
Biochemistry
BICHAW
0033
0006-2960
39
6969
6978
10.1021/bi000367g
10841779
Catalytic cysteine of thymidylate synthase is activated upon substrate binding.
2000
0000-0001-7075-7090
10.2210/pdb1evf/pdb
pdb_00001evf
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
138
1
CCD
1998-11-25
APS-1
SINGLE WAVELENGTH
M
x-ray
1
0.9793
1.0
19-ID
APS
0.9793
SYNCHROTRON
APS BEAMLINE 19-ID
30878.158
THYMIDYLATE SYNTHASE
2.1.1.45
S167T
1
man
polymer
96.063
SULFATE ION
3
syn
non-polymer
18.015
water
306
nat
water
no
yes
(CXM)KQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKR(CME)HLRSIIHELLWFLQGDTNIAYL
HENNVTIWDEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAP(CME)HA
FFQFYVADGKLSCQLYQRT(CME)DVFLGLPFNIASYALLVHMMAQQ(CME)DLEVGDFVWTGGDTHLYSNHMDQTHLQL
SREPRPLPKLIIKRKPESIFDYRFEDFEIEGYDPHPGIKAPVAI
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQRTCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
DYRFEDFEIEGYDPHPGIKAPVAI
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Escherichia
Escherichia
sample
562
Escherichia coli
562
Escherichia coli
PBLUESCRIPT SK
1
3.14
60.79
VAPOR DIFFUSION, HANGING DROP
7.8
48% saturated ammonium sulfate, 100 mM Tris HCl, 20 mM 2-mercaptoethanol, pH 7.8, VAPOR DIFFUSION, HANGING DROP,
temperature 18K
291.0
exptl_crystal_grow
database_2
struct_conn
struct_ref_seq_dif
struct_site
audit_author
citation_author
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Experimental preparation
Database references
Derived calculations
Database references
Structure summary
1
0
2000-05-03
1
1
2008-04-27
1
2
2011-07-13
1
3
2018-01-31
1
4
2021-11-03
1
5
2022-04-13
_exptl_crystal_grow.pdbx_details
_exptl_crystal_grow.temp
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
_audit_author.identifier_ORCID
_citation_author.identifier_ORCID
S167A MUTANT of E. coli Thymidylate Synthase (modified catalytic cysteine)
S167C MUTANT of E. coli Thymidylate Synthase (modified catalytic cysteine)
S167T MUTANT of E. coli Thymidylate Synthase (unmodified catalytic cysteine)
RCSB
Y
RCSB
2000-04-19
REL
REL
SO4
SULFATE ION
HOH
water
SO4
320
2
SO4
SO4
320
A
SO4
321
2
SO4
SO4
321
A
SO4
322
2
SO4
SO4
322
A
HOH
1
3
HOH
HOH
323
A
HOH
2
3
HOH
HOH
324
A
HOH
3
3
HOH
HOH
325
A
HOH
4
3
HOH
HOH
326
A
HOH
5
3
HOH
HOH
327
A
HOH
6
3
HOH
HOH
328
A
HOH
7
3
HOH
HOH
329
A
HOH
8
3
HOH
HOH
330
A
HOH
9
3
HOH
HOH
331
A
HOH
10
3
HOH
HOH
332
A
HOH
11
3
HOH
HOH
333
A
HOH
12
3
HOH
HOH
334
A
HOH
13
3
HOH
HOH
335
A
HOH
14
3
HOH
HOH
336
A
HOH
15
3
HOH
HOH
337
A
HOH
16
3
HOH
HOH
338
A
HOH
17
3
HOH
HOH
339
A
HOH
18
3
HOH
HOH
340
A
HOH
19
3
HOH
HOH
341
A
HOH
20
3
HOH
HOH
342
A
HOH
21
3
HOH
HOH
343
A
HOH
22
3
HOH
HOH
344
A
HOH
23
3
HOH
HOH
345
A
HOH
24
3
HOH
HOH
346
A
HOH
25
3
HOH
HOH
347
A
HOH
26
3
HOH
HOH
348
A
HOH
27
3
HOH
HOH
349
A
HOH
28
3
HOH
HOH
350
A
HOH
29
3
HOH
HOH
351
A
HOH
30
3
HOH
HOH
352
A
HOH
31
3
HOH
HOH
353
A
HOH
32
3
HOH
HOH
354
A
HOH
33
3
HOH
HOH
355
A
HOH
34
3
HOH
HOH
356
A
HOH
35
3
HOH
HOH
357
A
HOH
36
3
HOH
HOH
358
A
HOH
37
3
HOH
HOH
359
A
HOH
38
3
HOH
HOH
360
A
HOH
39
3
HOH
HOH
361
A
HOH
40
3
HOH
HOH
362
A
HOH
41
3
HOH
HOH
363
A
HOH
42
3
HOH
HOH
364
A
HOH
43
3
HOH
HOH
365
A
HOH
44
3
HOH
HOH
366
A
HOH
45
3
HOH
HOH
367
A
HOH
46
3
HOH
HOH
368
A
HOH
47
3
HOH
HOH
369
A
HOH
48
3
HOH
HOH
370
A
HOH
49
3
HOH
HOH
371
A
HOH
50
3
HOH
HOH
372
A
HOH
51
3
HOH
HOH
373
A
HOH
52
3
HOH
HOH
374
A
HOH
53
3
HOH
HOH
375
A
HOH
54
3
HOH
HOH
376
A
HOH
55
3
HOH
HOH
377
A
HOH
56
3
HOH
HOH
378
A
HOH
57
3
HOH
HOH
379
A
HOH
58
3
HOH
HOH
380
A
HOH
59
3
HOH
HOH
381
A
HOH
60
3
HOH
HOH
382
A
HOH
61
3
HOH
HOH
383
A
HOH
62
3
HOH
HOH
384
A
HOH
63
3
HOH
HOH
385
A
HOH
64
3
HOH
HOH
386
A
HOH
65
3
HOH
HOH
387
A
HOH
66
3
HOH
HOH
388
A
HOH
67
3
HOH
HOH
389
A
HOH
68
3
HOH
HOH
390
A
HOH
69
3
HOH
HOH
391
A
HOH
70
3
HOH
HOH
392
A
HOH
71
3
HOH
HOH
393
A
HOH
72
3
HOH
HOH
394
A
HOH
73
3
HOH
HOH
395
A
HOH
74
3
HOH
HOH
396
A
HOH
75
3
HOH
HOH
397
A
HOH
76
3
HOH
HOH
398
A
HOH
77
3
HOH
HOH
399
A
HOH
78
3
HOH
HOH
400
A
HOH
79
3
HOH
HOH
401
A
HOH
80
3
HOH
HOH
402
A
HOH
81
3
HOH
HOH
403
A
HOH
82
3
HOH
HOH
404
A
HOH
83
3
HOH
HOH
405
A
HOH
84
3
HOH
HOH
406
A
HOH
85
3
HOH
HOH
407
A
HOH
86
3
HOH
HOH
408
A
HOH
87
3
HOH
HOH
409
A
HOH
88
3
HOH
HOH
410
A
HOH
89
3
HOH
HOH
411
A
HOH
90
3
HOH
HOH
412
A
HOH
91
3
HOH
HOH
413
A
HOH
92
3
HOH
HOH
414
A
HOH
93
3
HOH
HOH
415
A
HOH
94
3
HOH
HOH
416
A
HOH
95
3
HOH
HOH
417
A
HOH
96
3
HOH
HOH
418
A
HOH
97
3
HOH
HOH
419
A
HOH
98
3
HOH
HOH
420
A
HOH
99
3
HOH
HOH
421
A
HOH
100
3
HOH
HOH
422
A
HOH
101
3
HOH
HOH
423
A
HOH
102
3
HOH
HOH
424
A
HOH
103
3
HOH
HOH
425
A
HOH
104
3
HOH
HOH
426
A
HOH
105
3
HOH
HOH
427
A
HOH
106
3
HOH
HOH
428
A
HOH
107
3
HOH
HOH
429
A
HOH
108
3
HOH
HOH
430
A
HOH
109
3
HOH
HOH
431
A
HOH
110
3
HOH
HOH
432
A
HOH
111
3
HOH
HOH
433
A
HOH
112
3
HOH
HOH
434
A
HOH
113
3
HOH
HOH
435
A
HOH
114
3
HOH
HOH
436
A
HOH
115
3
HOH
HOH
437
A
HOH
116
3
HOH
HOH
438
A
HOH
117
3
HOH
HOH
439
A
HOH
118
3
HOH
HOH
440
A
HOH
119
3
HOH
HOH
441
A
HOH
120
3
HOH
HOH
442
A
HOH
121
3
HOH
HOH
443
A
HOH
122
3
HOH
HOH
444
A
HOH
123
3
HOH
HOH
445
A
HOH
124
3
HOH
HOH
446
A
HOH
125
3
HOH
HOH
447
A
HOH
126
3
HOH
HOH
448
A
HOH
127
3
HOH
HOH
449
A
HOH
128
3
HOH
HOH
450
A
HOH
129
3
HOH
HOH
451
A
HOH
130
3
HOH
HOH
452
A
HOH
131
3
HOH
HOH
453
A
HOH
132
3
HOH
HOH
454
A
HOH
133
3
HOH
HOH
455
A
HOH
134
3
HOH
HOH
456
A
HOH
135
3
HOH
HOH
457
A
HOH
136
3
HOH
HOH
458
A
HOH
137
3
HOH
HOH
459
A
HOH
138
3
HOH
HOH
460
A
HOH
139
3
HOH
HOH
461
A
HOH
140
3
HOH
HOH
462
A
HOH
141
3
HOH
HOH
463
A
HOH
142
3
HOH
HOH
464
A
HOH
143
3
HOH
HOH
465
A
HOH
144
3
HOH
HOH
466
A
HOH
145
3
HOH
HOH
467
A
HOH
146
3
HOH
HOH
468
A
HOH
147
3
HOH
HOH
469
A
HOH
148
3
HOH
HOH
470
A
HOH
149
3
HOH
HOH
471
A
HOH
150
3
HOH
HOH
472
A
HOH
151
3
HOH
HOH
473
A
HOH
152
3
HOH
HOH
474
A
HOH
153
3
HOH
HOH
475
A
HOH
154
3
HOH
HOH
476
A
HOH
155
3
HOH
HOH
477
A
HOH
156
3
HOH
HOH
478
A
HOH
157
3
HOH
HOH
479
A
HOH
158
3
HOH
HOH
480
A
HOH
159
3
HOH
HOH
481
A
HOH
160
3
HOH
HOH
482
A
HOH
161
3
HOH
HOH
483
A
HOH
162
3
HOH
HOH
484
A
HOH
163
3
HOH
HOH
485
A
HOH
164
3
HOH
HOH
486
A
HOH
165
3
HOH
HOH
487
A
HOH
166
3
HOH
HOH
488
A
HOH
167
3
HOH
HOH
489
A
HOH
168
3
HOH
HOH
490
A
HOH
169
3
HOH
HOH
491
A
HOH
170
3
HOH
HOH
492
A
HOH
171
3
HOH
HOH
493
A
HOH
172
3
HOH
HOH
494
A
HOH
173
3
HOH
HOH
495
A
HOH
174
3
HOH
HOH
496
A
HOH
175
3
HOH
HOH
497
A
HOH
176
3
HOH
HOH
498
A
HOH
177
3
HOH
HOH
499
A
HOH
178
3
HOH
HOH
500
A
HOH
179
3
HOH
HOH
501
A
HOH
180
3
HOH
HOH
502
A
HOH
181
3
HOH
HOH
503
A
HOH
182
3
HOH
HOH
504
A
HOH
183
3
HOH
HOH
505
A
HOH
184
3
HOH
HOH
506
A
HOH
185
3
HOH
HOH
507
A
HOH
186
3
HOH
HOH
508
A
HOH
187
3
HOH
HOH
509
A
HOH
188
3
HOH
HOH
510
A
HOH
189
3
HOH
HOH
511
A
HOH
190
3
HOH
HOH
512
A
HOH
191
3
HOH
HOH
513
A
HOH
192
3
HOH
HOH
514
A
HOH
193
3
HOH
HOH
515
A
HOH
194
3
HOH
HOH
516
A
HOH
195
3
HOH
HOH
517
A
HOH
196
3
HOH
HOH
518
A
HOH
197
3
HOH
HOH
519
A
HOH
198
3
HOH
HOH
520
A
HOH
199
3
HOH
HOH
521
A
HOH
200
3
HOH
HOH
522
A
HOH
201
3
HOH
HOH
523
A
HOH
202
3
HOH
HOH
524
A
HOH
203
3
HOH
HOH
525
A
HOH
204
3
HOH
HOH
526
A
HOH
205
3
HOH
HOH
527
A
HOH
206
3
HOH
HOH
528
A
HOH
207
3
HOH
HOH
529
A
HOH
208
3
HOH
HOH
530
A
HOH
209
3
HOH
HOH
531
A
HOH
210
3
HOH
HOH
532
A
HOH
211
3
HOH
HOH
533
A
HOH
212
3
HOH
HOH
534
A
HOH
213
3
HOH
HOH
535
A
HOH
214
3
HOH
HOH
536
A
HOH
215
3
HOH
HOH
537
A
HOH
216
3
HOH
HOH
538
A
HOH
217
3
HOH
HOH
539
A
HOH
218
3
HOH
HOH
540
A
HOH
219
3
HOH
HOH
541
A
HOH
220
3
HOH
HOH
542
A
HOH
221
3
HOH
HOH
543
A
HOH
222
3
HOH
HOH
544
A
HOH
223
3
HOH
HOH
545
A
HOH
224
3
HOH
HOH
546
A
HOH
225
3
HOH
HOH
547
A
HOH
226
3
HOH
HOH
548
A
HOH
227
3
HOH
HOH
549
A
HOH
228
3
HOH
HOH
550
A
HOH
229
3
HOH
HOH
551
A
HOH
230
3
HOH
HOH
552
A
HOH
231
3
HOH
HOH
553
A
HOH
232
3
HOH
HOH
554
A
HOH
233
3
HOH
HOH
555
A
HOH
234
3
HOH
HOH
556
A
HOH
235
3
HOH
HOH
557
A
HOH
236
3
HOH
HOH
558
A
HOH
237
3
HOH
HOH
559
A
HOH
238
3
HOH
HOH
560
A
HOH
239
3
HOH
HOH
561
A
HOH
240
3
HOH
HOH
562
A
HOH
241
3
HOH
HOH
563
A
HOH
242
3
HOH
HOH
564
A
HOH
243
3
HOH
HOH
565
A
HOH
244
3
HOH
HOH
566
A
HOH
245
3
HOH
HOH
567
A
HOH
246
3
HOH
HOH
568
A
HOH
247
3
HOH
HOH
569
A
HOH
248
3
HOH
HOH
570
A
HOH
249
3
HOH
HOH
571
A
HOH
250
3
HOH
HOH
572
A
HOH
251
3
HOH
HOH
573
A
HOH
252
3
HOH
HOH
574
A
HOH
253
3
HOH
HOH
575
A
HOH
254
3
HOH
HOH
576
A
HOH
255
3
HOH
HOH
577
A
HOH
256
3
HOH
HOH
578
A
HOH
257
3
HOH
HOH
579
A
HOH
258
3
HOH
HOH
580
A
HOH
259
3
HOH
HOH
581
A
HOH
260
3
HOH
HOH
582
A
HOH
261
3
HOH
HOH
583
A
HOH
262
3
HOH
HOH
584
A
HOH
263
3
HOH
HOH
585
A
HOH
264
3
HOH
HOH
586
A
HOH
265
3
HOH
HOH
587
A
HOH
266
3
HOH
HOH
588
A
HOH
267
3
HOH
HOH
589
A
HOH
268
3
HOH
HOH
590
A
HOH
269
3
HOH
HOH
591
A
HOH
270
3
HOH
HOH
592
A
HOH
271
3
HOH
HOH
593
A
HOH
272
3
HOH
HOH
594
A
HOH
273
3
HOH
HOH
595
A
HOH
274
3
HOH
HOH
596
A
HOH
275
3
HOH
HOH
597
A
HOH
276
3
HOH
HOH
598
A
HOH
277
3
HOH
HOH
599
A
HOH
278
3
HOH
HOH
600
A
HOH
279
3
HOH
HOH
601
A
HOH
280
3
HOH
HOH
602
A
HOH
281
3
HOH
HOH
603
A
HOH
282
3
HOH
HOH
604
A
HOH
283
3
HOH
HOH
605
A
HOH
284
3
HOH
HOH
606
A
HOH
285
3
HOH
HOH
607
A
HOH
286
3
HOH
HOH
608
A
HOH
287
3
HOH
HOH
609
A
HOH
288
3
HOH
HOH
610
A
HOH
289
3
HOH
HOH
611
A
HOH
290
3
HOH
HOH
612
A
HOH
291
3
HOH
HOH
613
A
HOH
292
3
HOH
HOH
614
A
HOH
293
3
HOH
HOH
615
A
HOH
294
3
HOH
HOH
616
A
HOH
295
3
HOH
HOH
617
A
HOH
296
3
HOH
HOH
618
A
HOH
297
3
HOH
HOH
619
A
HOH
298
3
HOH
HOH
620
A
HOH
299
3
HOH
HOH
621
A
HOH
300
3
HOH
HOH
622
A
HOH
301
3
HOH
HOH
623
A
HOH
302
3
HOH
HOH
624
A
HOH
303
3
HOH
HOH
625
A
HOH
304
3
HOH
HOH
626
A
HOH
305
3
HOH
HOH
627
A
HOH
306
3
HOH
HOH
628
A
CXM
1
n
1
CXM
1
A
LYS
2
n
2
LYS
2
A
GLN
3
n
3
GLN
3
A
TYR
4
n
4
TYR
4
A
LEU
5
n
5
LEU
5
A
GLU
6
n
6
GLU
6
A
LEU
7
n
7
LEU
7
A
MET
8
n
8
MET
8
A
GLN
9
n
9
GLN
9
A
LYS
10
n
10
LYS
10
A
VAL
11
n
11
VAL
11
A
LEU
12
n
12
LEU
12
A
ASP
13
n
13
ASP
13
A
GLU
14
n
14
GLU
14
A
GLY
15
n
15
GLY
15
A
THR
16
n
16
THR
16
A
GLU
17
n
17
GLN
17
A
LYS
18
n
18
LYS
18
A
ASN
19
n
19
ASN
19
A
ASP
20
n
20
ASP
20
A
ARG
21
n
21
ARG
21
A
THR
22
n
22
THR
22
A
GLY
23
n
23
GLY
23
A
THR
24
n
24
THR
24
A
GLY
25
n
25
GLY
25
A
THR
26
n
26
THR
26
A
LEU
27
n
27
LEU
27
A
SER
28
n
28
SER
28
A
ILE
29
n
29
ILE
29
A
PHE
30
n
30
PHE
30
A
GLY
31
n
31
GLY
31
A
HIS
32
n
32
HIS
32
A
GLN
33
n
33
GLN
33
A
MET
34
n
34
MET
34
A
ARG
35
n
35
ARG
35
A
PHE
36
n
36
PHE
36
A
ASN
37
n
37
ASN
37
A
LEU
38
n
38
LEU
38
A
GLN
39
n
39
GLN
39
A
ASP
40
n
40
ASP
40
A
GLY
41
n
41
GLY
41
A
PHE
42
n
42
PHE
42
A
PRO
43
n
43
PRO
43
A
LEU
44
n
44
LEU
44
A
VAL
45
n
45
VAL
45
A
THR
46
n
46
THR
46
A
THR
47
n
47
THR
47
A
LYS
48
n
48
LYS
48
A
ARG
49
n
49
ARG
49
A
CBM
50
n
50
CME
50
A
HIS
51
n
51
HIS
51
A
LEU
52
n
52
LEU
52
A
ARG
53
n
53
ARG
53
A
SER
54
n
54
SER
54
A
ILE
55
n
55
ILE
55
A
ILE
56
n
56
ILE
56
A
HIS
57
n
57
HIS
57
A
GLU
58
n
58
GLU
58
A
LEU
59
n
59
LEU
59
A
LEU
60
n
60
LEU
60
A
TRP
61
n
61
TRP
61
A
PHE
62
n
62
PHE
62
A
LEU
63
n
63
LEU
63
A
GLN
64
n
64
GLN
64
A
GLY
65
n
65
GLY
65
A
ASP
66
n
66
ASP
66
A
THR
67
n
67
THR
67
A
ASN
68
n
68
ASN
68
A
ILE
69
n
69
ILE
69
A
ALA
70
n
70
ALA
70
A
TYR
71
n
71
TYR
71
A
LEU
72
n
72
LEU
72
A
HIS
73
n
73
HIS
73
A
GLU
74
n
74
GLU
74
A
ASN
75
n
75
ASN
75
A
ASN
76
n
76
ASN
76
A
VAL
77
n
77
VAL
77
A
THR
78
n
78
THR
78
A
ILE
79
n
79
ILE
79
A
TRP
80
n
80
TRP
80
A
ASP
81
n
81
ASP
81
A
GLU
82
n
82
GLU
82
A
TRP
83
n
83
TRP
83
A
ALA
84
n
84
ALA
84
A
ASP
85
n
85
ASP
85
A
GLU
86
n
86
GLU
86
A
ASN
87
n
87
ASN
87
A
GLY
88
n
88
GLY
88
A
ASP
89
n
89
ASP
89
A
LEU
90
n
90
LEU
90
A
GLY
91
n
91
GLY
91
A
PRO
92
n
92
PRO
92
A
VAL
93
n
93
VAL
93
A
TYR
94
n
94
TYR
94
A
GLY
95
n
95
GLY
95
A
LYS
96
n
96
LYS
96
A
GLN
97
n
97
GLN
97
A
TRP
98
n
98
TRP
98
A
ARG
99
n
99
ARG
99
A
ALA
100
n
100
ALA
100
A
TRP
101
n
101
TRP
101
A
PRO
102
n
102
PRO
102
A
THR
103
n
103
THR
103
A
PRO
104
n
104
PRO
104
A
ASP
105
n
105
ASP
105
A
GLY
106
n
106
GLY
106
A
ARG
107
n
107
ARG
107
A
HIS
108
n
108
HIS
108
A
ILE
109
n
109
ILE
109
A
ASP
110
n
110
ASP
110
A
GLN
111
n
111
GLN
111
A
ILE
112
n
112
ILE
112
A
THR
113
n
113
THR
113
A
THR
114
n
114
THR
114
A
VAL
115
n
115
VAL
115
A
LEU
116
n
116
LEU
116
A
ASN
117
n
117
ASN
117
A
GLN
118
n
118
GLN
118
A
LEU
119
n
119
LEU
119
A
LYS
120
n
120
LYS
120
A
ASN
121
n
121
ASN
121
A
ASP
122
n
122
ASP
122
A
PRO
123
n
123
PRO
123
A
ASP
124
n
124
ASP
124
A
SER
125
n
125
SER
125
A
ARG
126
n
126
ARG
126
A
ARG
127
n
127
ARG
127
A
ILE
128
n
128
ILE
128
A
ILE
129
n
129
ILE
129
A
VAL
130
n
130
VAL
130
A
SER
131
n
131
SER
131
A
ALA
132
n
132
ALA
132
A
TRP
133
n
133
TRP
133
A
ASN
134
n
134
ASN
134
A
VAL
135
n
135
VAL
135
A
GLY
136
n
136
GLY
136
A
GLU
137
n
137
GLU
137
A
LEU
138
n
138
LEU
138
A
ASP
139
n
139
ASP
139
A
LYS
140
n
140
LYS
140
A
MET
141
n
141
MET
141
A
ALA
142
n
142
ALA
142
A
LEU
143
n
143
LEU
143
A
ALA
144
n
144
ALA
144
A
PRO
145
n
145
PRO
145
A
CBM
146
n
146
CME
146
A
HIS
147
n
147
HIS
147
A
ALA
148
n
148
ALA
148
A
PHE
149
n
149
PHE
149
A
PHE
150
n
150
PHE
150
A
GLN
151
n
151
GLN
151
A
PHE
152
n
152
PHE
152
A
TYR
153
n
153
TYR
153
A
VAL
154
n
154
VAL
154
A
ALA
155
n
155
ALA
155
A
ASP
156
n
156
ASP
156
A
GLY
157
n
157
GLY
157
A
LYS
158
n
158
LYS
158
A
LEU
159
n
159
LEU
159
A
SER
160
n
160
SER
160
A
CYS
161
n
161
CYS
161
A
GLN
162
n
162
GLN
162
A
LEU
163
n
163
LEU
163
A
TYR
164
n
164
TYR
164
A
GLN
165
n
165
GLN
165
A
ARG
166
n
166
ARG
166
A
THR
167
n
167
THR
167
A
CBM
168
n
168
CME
168
A
ASP
169
n
169
ASP
169
A
VAL
170
n
170
VAL
170
A
PHE
171
n
171
PHE
171
A
LEU
172
n
172
LEU
172
A
GLY
173
n
173
GLY
173
A
LEU
174
n
174
LEU
174
A
PRO
175
n
175
PRO
175
A
PHE
176
n
176
PHE
176
A
ASN
177
n
177
ASN
177
A
ILE
178
n
178
ILE
178
A
ALA
179
n
179
ALA
179
A
SER
180
n
180
SER
180
A
TYR
181
n
181
TYR
181
A
ALA
182
n
182
ALA
182
A
LEU
183
n
183
LEU
183
A
LEU
184
n
184
LEU
184
A
VAL
185
n
185
VAL
185
A
HIS
186
n
186
HIS
186
A
MET
187
n
187
MET
187
A
MET
188
n
188
MET
188
A
ALA
189
n
189
ALA
189
A
GLN
190
n
190
GLN
190
A
GLN
191
n
191
GLN
191
A
CBM
192
n
192
CME
192
A
ASP
193
n
193
ASP
193
A
LEU
194
n
194
LEU
194
A
GLU
195
n
195
GLU
195
A
VAL
196
n
196
VAL
196
A
GLY
197
n
197
GLY
197
A
ASP
198
n
198
ASP
198
A
PHE
199
n
199
PHE
199
A
VAL
200
n
200
VAL
200
A
TRP
201
n
201
TRP
201
A
THR
202
n
202
THR
202
A
GLY
203
n
203
GLY
203
A
GLY
204
n
204
GLY
204
A
ASP
205
n
205
ASP
205
A
THR
206
n
206
THR
206
A
HIS
207
n
207
HIS
207
A
LEU
208
n
208
LEU
208
A
TYR
209
n
209
TYR
209
A
SER
210
n
210
SER
210
A
ASN
211
n
211
ASN
211
A
HIS
212
n
212
HIS
212
A
MET
213
n
213
MET
213
A
ASP
214
n
214
ASP
214
A
GLN
215
n
215
GLN
215
A
THR
216
n
216
THR
216
A
HIS
217
n
217
HIS
217
A
LEU
218
n
218
LEU
218
A
GLN
219
n
219
GLN
219
A
LEU
220
n
220
LEU
220
A
SER
221
n
221
SER
221
A
ARG
222
n
222
ARG
222
A
GLU
223
n
223
GLU
223
A
PRO
224
n
224
PRO
224
A
ARG
225
n
225
ARG
225
A
PRO
226
n
226
PRO
226
A
LEU
227
n
227
LEU
227
A
PRO
228
n
228
PRO
228
A
LYS
229
n
229
LYS
229
A
LEU
230
n
230
LEU
230
A
ILE
231
n
231
ILE
231
A
ILE
232
n
232
ILE
232
A
LYS
233
n
233
LYS
233
A
ARG
234
n
234
ARG
234
A
LYS
235
n
235
LYS
235
A
PRO
236
n
236
PRO
236
A
ALA
237
n
237
GLU
237
A
SER
238
n
238
SER
238
A
ILE
239
n
239
ILE
239
A
PHE
240
n
240
PHE
240
A
ASP
241
n
241
ASP
241
A
TYR
242
n
242
TYR
242
A
ARG
243
n
243
ARG
243
A
PHE
244
n
244
PHE
244
A
GLU
245
n
245
GLU
245
A
ASP
246
n
246
ASP
246
A
PHE
247
n
247
PHE
247
A
GLU
248
n
248
GLU
248
A
ILE
249
n
249
ILE
249
A
GLU
250
n
250
GLU
250
A
GLY
251
n
251
GLY
251
A
TYR
252
n
252
TYR
252
A
ASP
253
n
253
ASP
253
A
PRO
254
n
254
PRO
254
A
HIS
255
n
255
HIS
255
A
PRO
256
n
256
PRO
256
A
GLY
257
n
257
GLY
257
A
ILE
258
n
258
ILE
258
A
LYS
259
n
259
LYS
259
A
ALA
260
n
260
ALA
260
A
PRO
261
n
261
PRO
261
A
VAL
262
n
262
VAL
262
A
ALA
263
n
263
ALA
263
A
ILE
264
n
264
ILE
264
A
author_and_software_defined_assembly
PISA,PQS
2
dimeric
5530
-103
21170
A
CXM
1
N-CARBOXYMETHIONINE
A
CXM
1
MET
A
CME
50
S,S-(2-HYDROXYETHYL)THIOCYSTEINE
A
CME
50
CYS
A
CME
146
S,S-(2-HYDROXYETHYL)THIOCYSTEINE
A
CME
146
CYS
A
CME
168
S,S-(2-HYDROXYETHYL)THIOCYSTEINE
A
CME
168
CYS
A
CME
192
S,S-(2-HYDROXYETHYL)THIOCYSTEINE
A
CME
192
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
15_656
-x+3/2,y,-z+1
crystal symmetry operation
198.7365000000
0.0000000000
132.4910000000
A
N
LYS
18
A
N
LYS
18
A
O
THR
26
A
O
THR
26
A
N
PHE
36
A
N
PHE
36
A
O
PHE
199
A
O
PHE
199
A
N
GLY
197
A
N
GLY
197
A
O
LEU
159
A
O
LEU
159
A
N
TYR
164
A
N
TYR
164
A
O
PHE
149
A
O
PHE
149
A
O
PHE
150
A
O
PHE
150
A
N
VAL
130
A
N
VAL
130
A
O
TRP
101
A
O
TRP
101
A
N
ILE
109
A
N
ILE
109
A
N
ILE
231
A
N
ILE
231
A
O
GLU
248
A
O
GLU
248
1
A
HOH
353
E
HOH
1
A
HOH
517
E
HOH
1
A
HOH
540
E
HOH
1
A
NZ
LYS
2
A
NZ
LYS
2
1
Y
1
A
CG
GLU
237
A
CG
GLU
237
1
Y
1
A
CD
GLU
237
A
CD
GLU
237
1
Y
1
A
OE1
GLU
237
A
OE1
GLU
237
1
Y
1
A
OE2
GLU
237
A
OE2
GLU
237
1
Y
1
A
A
NH2
NH2
ARG
ARG
53
53
1.78
1_555
14_755
1
A
LYS
18
-159.82
-140.35
1
A
ASP
20
-101.37
-131.95
1
A
ARG
21
-69.92
32.37
1
A
THR
22
66.99
98.39
1
A
PRO
43
-68.67
64.61
1
A
TYR
94
-18.77
-71.51
1
A
ALA
100
-151.44
52.55
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARAM
WATER.TOP
ION.PARAM
ION.TOP
19.5
0.00
0.00
0.00
0.00
0.00
0.00
0.2120000
0.006
0.1900000
0.1900000
1.70
6.00
1142
41527
37912
3.0
91.3
RANDOM
3204074.16
0.00
1
RESTRAINED
THROUGHOUT
3.0
1.0
Engh & Huber
FLAT MODEL
120.2
0.907
0.21
0.18
5.00
0.12
0.11
1.70
6.00
306
2486
15
0
2165
0.006
1.4
23.9
0.78
0.2380000
0.019
0.2070000
1.80
153
5150
6
2.9
76.7
14.3
1.7
6.0
1EVF
41533
41527
3.0
1.0
0.0850000
1
29.9
9.78
100
0.4390000
1.67
1.75
5570
1
100
phasing
AMoRE
refinement
CNS
0.5
data reduction
DENZO
data scaling
SCALEPACK
CRYSTAL STRUCTURE ANALYSIS OF CYS167 MUTANT OF ESCHERICHIA COLI
1
N
N
2
N
N
2
N
N
2
N
N
3
N
N
A
LYS
2
A
LYS
2
HELX_P
A
GLY
15
A
GLY
15
1
1
14
A
GLN
39
A
GLN
39
HELX_P
A
GLY
41
A
GLY
41
5
2
3
A
LEU
52
A
LEU
52
HELX_P
A
GLY
65
A
GLY
65
1
3
14
A
ILE
69
A
ILE
69
HELX_P
A
ASN
75
A
ASN
75
1
4
7
A
VAL
93
A
VAL
93
HELX_P
A
ALA
100
A
ALA
100
1
5
8
A
ASP
110
A
ASP
110
HELX_P
A
ASP
122
A
ASP
122
1
6
13
A
ASN
134
A
ASN
134
HELX_P
A
MET
141
A
MET
141
5
7
8
A
GLY
173
A
GLY
173
HELX_P
A
GLN
191
A
GLN
191
1
8
19
A
HIS
212
A
HIS
212
HELX_P
A
SER
221
A
SER
221
1
9
10
A
ARG
243
A
ARG
243
HELX_P
A
GLU
245
A
GLU
245
5
10
3
covale
1.331
both
A
CXM
1
A
C
CXM
1
1_555
A
LYS
2
A
N
LYS
2
1_555
covale
1.329
both
A
ARG
49
A
C
ARG
49
1_555
A
CME
50
A
N
CME
50
1_555
covale
1.327
both
A
CME
50
A
C
CME
50
1_555
A
HIS
51
A
N
HIS
51
1_555
covale
1.331
both
A
PRO
145
A
C
PRO
145
1_555
A
CME
146
A
N
CME
146
1_555
covale
1.340
both
A
CME
146
A
C
CME
146
1_555
A
HIS
147
A
N
HIS
147
1_555
covale
1.327
both
A
THR
167
A
C
THR
167
1_555
A
CME
168
A
N
CME
168
1_555
covale
1.330
both
A
CME
168
A
C
CME
168
1_555
A
ASP
169
A
N
ASP
169
1_555
covale
1.328
both
A
GLN
191
A
C
GLN
191
1_555
A
CME
192
A
N
CME
192
1_555
covale
1.329
both
A
CME
192
A
C
CME
192
1_555
A
ASP
193
A
N
ASP
193
1_555
TRANSFERASE
Thr167 E. coli Thymidylate Synthase, TRANSFERASE
TYSY_ECOLI
UNP
1
1
P0A884
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
DYRFEDFEIEGYDPHPGIKAPVAI
1
264
1EVF
1
264
P0A884
A
1
1
264
1
MET
modified residue
CXM
1
1EVF
A
P0A884
UNP
1
1
1
CYS
modified residue
CME
50
1EVF
A
P0A884
UNP
50
50
1
CYS
modified residue
CME
146
1EVF
A
P0A884
UNP
146
146
1
SER
engineered mutation
THR
167
1EVF
A
P0A884
UNP
167
167
1
CYS
modified residue
CME
168
1EVF
A
P0A884
UNP
168
168
1
CYS
modified residue
CME
192
1EVF
A
P0A884
UNP
192
192
6
2
2
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
16
A
THR
16
A
ASN
19
A
ASN
19
A
GLY
25
A
GLY
25
A
ASN
37
A
ASN
37
A
GLU
195
A
GLU
195
A
TYR
209
A
TYR
209
A
LYS
158
A
LYS
158
A
GLN
165
A
GLN
165
A
PHE
149
A
PHE
149
A
ALA
155
A
ALA
155
A
ILE
129
A
ILE
129
A
SER
131
A
SER
131
A
TRP
101
A
TRP
101
A
PRO
102
A
PRO
102
A
HIS
108
A
HIS
108
A
ILE
109
A
ILE
109
A
LYS
229
A
LYS
229
A
ILE
232
A
ILE
232
A
PHE
247
A
PHE
247
A
GLU
250
A
GLU
250
BINDING SITE FOR RESIDUE SO4 A 320
A
SO4
320
Software
4
BINDING SITE FOR RESIDUE SO4 A 321
A
SO4
321
Software
6
BINDING SITE FOR RESIDUE SO4 A 322
A
SO4
322
Software
7
A
GLU
223
A
GLU
223
4
1_555
A
ARG
225
A
ARG
225
4
1_555
A
HIS
255
A
HIS
255
4
1_555
A
HOH
421
E
HOH
4
1_555
A
ARG
21
A
ARG
21
6
1_555
A
ARG
126
A
ARG
126
6
15_656
A
ARG
127
A
ARG
127
6
15_656
A
ARG
166
A
ARG
166
6
1_555
A
HOH
381
E
HOH
6
15_656
A
HOH
572
E
HOH
6
1_555
A
HIS
51
A
HIS
51
7
1_555
A
ARG
53
A
ARG
53
7
1_555
A
SER
54
A
SER
54
7
1_555
A
HOH
403
E
HOH
7
1_555
A
HOH
406
E
HOH
7
1_555
A
HOH
407
E
HOH
7
14_755
A
HOH
538
E
HOH
7
14_755
199
I 21 3