0.007547
0.000000
0.000000
0.000000
0.007547
0.000000
0.000000
0.000000
0.007547
0.00000
0.00000
0.00000
Sotelo-Mundo, R.R.
Changchien, L.
Maley, F.
Montfort, W.R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
24
90.00
90.00
90.00
132.500
132.500
132.500
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
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
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
S
C
N
76
N
C
N
77
N
C
N
78
N
S
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
C
N
83
N
O
N
84
N
O
N
85
N
O
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
H
N
97
N
N
N
98
R
C
N
99
N
C
N
100
N
O
N
101
N
C
N
102
N
S
N
103
N
O
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
N
N
112
S
C
N
113
N
C
N
114
N
O
N
115
N
C
N
116
N
C
N
117
N
C
N
118
N
O
N
119
N
N
N
120
N
O
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
N
N
132
S
C
N
133
N
C
N
134
N
O
N
135
N
C
N
136
N
C
N
137
N
C
N
138
N
O
N
139
N
O
N
140
N
O
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
N
N
151
N
C
N
152
N
C
N
153
N
O
N
154
N
O
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
N
N
161
S
C
N
162
N
C
N
163
N
O
N
164
N
C
Y
165
N
C
Y
166
N
N
Y
167
N
C
Y
168
N
C
Y
169
N
N
N
170
N
O
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
O
N
182
N
H
N
183
N
H
N
184
N
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
S
C
N
189
N
C
N
190
N
C
N
191
N
C
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
H
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
N
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
N
N
237
N
O
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
H
N
251
N
H
N
252
N
H
N
253
N
N
N
254
S
C
N
255
N
C
N
256
N
O
N
257
N
C
N
258
N
C
N
259
N
S
N
260
N
C
N
261
N
O
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
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
Y
278
N
C
Y
279
N
C
Y
280
N
C
Y
281
N
C
Y
282
N
C
Y
283
N
C
N
284
N
O
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
N
N
297
S
C
N
298
N
C
N
299
N
O
N
300
N
C
N
301
N
C
N
302
N
C
N
303
N
O
N
304
N
H
N
305
N
H
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
N
N
314
S
C
N
315
N
C
N
316
N
O
N
317
N
C
N
318
N
O
N
319
N
O
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
N
N
328
S
C
N
329
N
C
N
330
N
O
N
331
R
C
N
332
N
O
N
333
N
C
N
334
N
O
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
N
N
345
S
C
N
346
N
C
N
347
N
O
N
348
N
C
Y
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
N
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
N
358
N
O
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
O
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
H
N
395
N
N
N
396
S
C
N
397
N
C
N
398
N
O
N
399
N
C
N
400
N
C
N
401
N
C
N
402
N
O
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
H
N
412
N
H
N
413
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
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
doub
N
87
N
sing
N
88
N
doub
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
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
doub
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
doub
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
doub
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
doub
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
sing
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
Y
162
N
sing
Y
163
N
doub
Y
164
N
doub
N
165
N
sing
Y
166
N
sing
N
167
N
sing
Y
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
doub
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
doub
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
doub
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
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
doub
N
247
N
sing
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
doub
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
Y
270
N
doub
Y
271
N
sing
Y
272
N
sing
N
273
N
sing
Y
274
N
doub
N
275
N
sing
Y
276
N
doub
N
277
N
sing
Y
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
doub
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
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
doub
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
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
doub
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
Y
339
N
doub
Y
340
N
sing
Y
341
N
sing
N
342
N
sing
Y
343
N
doub
Y
344
N
sing
Y
345
N
sing
N
346
N
sing
Y
347
N
sing
Y
348
N
doub
N
349
N
sing
Y
350
N
doub
N
351
N
sing
Y
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
doub
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
Y
367
N
doub
Y
368
N
sing
Y
369
N
sing
N
370
N
sing
Y
371
N
doub
N
372
N
sing
Y
373
N
doub
N
374
N
sing
Y
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
doub
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
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
US
J.Biochem.Mol.Toxicol.
1095-6670
20
88
92
10.1002/jbt.20122
16615077
Crystal structures of thymidylate synthase mutant R166Q: Structural basis for the nearly complete loss of catalytic activity.
2006
Thesis
Crystallographic Studies of Thymidylate Synthase : Structure of a Mammalian Enzyme and Analyses of Invariant Non-Catalytic Residues in a Bacterial Enzyme.
1999
10.2210/pdb1ffl/pdb
pdb_00001ffl
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
DIFFRACTOMETER
1997-05-04
ENRAF-NONIUS FAST
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS FR571
30530.600
THYMIDYLATE SYNTHASE
2.1.1.45
R166Q
1
man
polymer
18.015
water
10
nat
water
no
yes
(CXM)KQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENN
VTIWDEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVAD
GKLSCQLYQQSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKP
ESIFDYRFEDFEIEGYDPHPGIKAPVAI
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQQSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
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
XAC 25: LACKS HOST THYMIDYLATE SYNTHASE GENE
PLASMID
BLUESCRIPT PLASMID SK+
1
3.17
61.24
VAPOR DIFFUSION, HANGING DROP
8.1
Ammonium sulfate, potassium phosphate, EDTA, DTT, pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
software
diffrn_detector
database_2
struct_conn
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Refinement description
Data collection
Database references
Derived calculations
Data collection
Refinement description
1
0
2000-07-28
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2018-04-18
1
5
2021-11-03
1
6
2024-04-03
_software.name
_diffrn_detector.detector
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
RCSB
Y
RCSB
2000-07-25
REL
HOH
water
Wildtype Binary Complex of E.coli thymidylate synthase
Other
experimental model
WAT
300
2
HOH
HOH
300
A
WAT
301
2
HOH
HOH
301
A
WAT
302
2
HOH
HOH
302
A
WAT
303
2
HOH
HOH
303
A
WAT
304
2
HOH
HOH
304
A
WAT
305
2
HOH
HOH
305
A
WAT
306
2
HOH
HOH
306
A
WAT
309
2
HOH
HOH
309
A
WAT
310
2
HOH
HOH
310
A
WAT
311
2
HOH
HOH
311
A
MET
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
GLN
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
CYS
50
n
50
CYS
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
CYS
146
n
146
CYS
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
GLN
166
n
166
GLN
166
A
SER
167
n
167
SER
167
A
CYS
168
n
168
CYS
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
CYS
192
n
192
CYS
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
GLU
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
4270
-20
21200
A
CXM
1
N-CARBOXYMETHIONINE
A
CXM
1
MET
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
16_555
x,-y,-z+1/2
crystal symmetry operation
0.0000000000
0.0000000000
66.2500000000
A
O
LYS
18
A
O
LYS
18
A
N
THR
26
A
N
THR
26
A
O
PHE
36
A
O
PHE
36
A
N
PHE
199
A
N
PHE
199
A
N
GLY
197
A
N
GLY
197
A
O
LEU
159
A
O
LEU
159
A
O
TYR
164
A
O
TYR
164
A
N
ALA
148
A
N
ALA
148
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
300
B
HOH
1
A
THR
47
-64.70
21.12
1
A
LYS
48
174.76
129.55
1
A
TYR
94
-14.15
-80.85
1
A
ALA
100
-152.51
55.90
1
A
ASP
122
-160.29
59.59
1
A
ASN
211
-90.01
31.23
PROTEIN_REP.PARAM
PROTEIN.TOP
CBX.PAR
WATER.TOP
WATER_REP.PARAM
39.5
0.00
0.00
0.00
0.00
0.00
0.00
0.2200000
0.007
0.1710000
0.1710000
0.1710000
2.94
33.13
868
8390
8138
10.7
97.0
RANDOM
3374507.52
0.00
1
GROUP
THROUGHOUT
0.0001
3.0
Fourier Difference Maps
Wildtype Binary Complex of E.coli thymidylate synthase
Engh & Huber
FLAT MODEL
28.17
0.308
0.35
0.27
5.00
0.43
0.38
2.94
33.13
10
2161
0
0
2151
0.007
1.3
24.6
0.81
0.3110000
0.027
0.2580000
3.12
137
1147
6
10.7
93.3
0.0
2.94
35.335
1FFL
8138
8138
0
0
0.0900000
1
7.4
7.0
96.1
0.3800000
2.94
3.02
610
1
6.1
96
refinement
CNS
data reduction
MADNESS
data scaling
CCP4
(AGROVATA
data scaling
ROTAVATA
phasing
CNS
CRYSTAL STRUCTURE OF THE APO-THYMIDYLATE SYNTHASE R166Q MUTANT
1
N
N
2
N
N
The biological assembly is a dimer constructed from chain A a symmetry partner.
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
HIS
51
A
HIS
51
HELX_P
A
GLN
64
A
GLN
64
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
LEU
138
A
LEU
138
5
7
5
A
LEU
172
A
LEU
172
HELX_P
A
CYS
192
A
CYS
192
1
8
21
A
HIS
212
A
HIS
212
HELX_P
A
LEU
220
A
LEU
220
1
9
9
A
ARG
243
A
ARG
243
HELX_P
A
GLU
245
A
GLU
245
5
10
3
covale
1.328
both
A
CXM
1
A
C
CXM
1
1_555
A
LYS
2
A
N
LYS
2
1_555
TRANSFERASE
TRANSFERASE, METHYLTRANSFERASE
TYSY_ECOLI
UNP
1
1
P0A884
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW
DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS
CQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF
DYRFEDFEIEGYDPHPGIKAPVAI
1
264
1FFL
1
264
P0A884
A
1
1
264
1
MET
modified residue
CXM
1
1FFL
A
P0A884
UNP
1
1
1
ARG
engineered mutation
GLN
166
1FFL
A
P0A884
UNP
166
166
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
ASP
169
A
ASP
169
A
HIS
147
A
HIS
147
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
199
I 21 3