0.01742
0.00000
0.00043
0.00000
0.00956
0.00000
0.00000
0.00000
0.01601
0.00000
0.00000
0.00000
Trivedi, V.
Gupta, A.
Jala, V.R.
Saravanan, P.
Rao, G.S.J.
Rao, N.A.
Savithri, H.S.
Subramanya, H.S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
91.43
90.00
57.419
104.609
62.489
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C20 H23 N7 O7
473.439
N-{[4-({[(6R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)phenyl]carbonyl}-L-glutamic acid
[6R]-5-FORMYL-5,6,7,8-TETRAHYDROFOLATE; 6R-FOLINIC 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
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C8 H10 N O6 P
247.142
PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate
non-polymer
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
Y
88
N
N
Y
89
N
C
N
90
N
N
Y
91
N
N
Y
92
N
C
N
93
N
O
Y
94
N
C
N
95
N
N
N
96
R
C
N
97
N
C
N
98
N
N
Y
99
N
C
N
100
N
C
N
101
N
N
Y
102
N
C
Y
103
N
C
Y
104
N
C
Y
105
N
C
Y
106
N
C
Y
107
N
C
N
108
N
C
N
109
N
O
N
110
N
N
N
111
S
C
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
C
N
118
N
O
N
119
N
O
N
120
N
C
N
121
N
O
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
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
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
N
N
146
S
C
N
147
N
C
N
148
N
O
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
O
N
153
N
N
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
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
N
N
166
S
C
N
167
N
C
N
168
N
O
N
169
N
C
N
170
N
C
N
171
N
C
N
172
N
O
N
173
N
O
N
174
N
O
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
N
N
185
N
C
N
186
N
C
N
187
N
O
N
188
N
O
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
S
C
N
196
N
C
N
197
N
O
N
198
N
C
Y
199
N
C
Y
200
N
N
Y
201
N
C
Y
202
N
C
Y
203
N
N
N
204
N
O
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
O
N
216
N
H
N
217
N
H
N
218
N
N
N
219
S
C
N
220
N
C
N
221
N
O
N
222
S
C
N
223
N
C
N
224
N
C
N
225
N
C
N
226
N
O
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
N
N
241
S
C
N
242
N
C
N
243
N
O
N
244
N
C
N
245
N
C
N
246
N
C
N
247
N
C
N
248
N
O
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
N
N
263
S
C
N
264
N
C
N
265
N
O
N
266
N
C
N
267
N
C
N
268
N
C
N
269
N
C
N
270
N
N
N
271
N
O
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
N
N
288
S
C
N
289
N
C
N
290
N
O
N
291
N
C
N
292
N
C
N
293
N
S
N
294
N
C
N
295
N
O
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
N
318
N
O
N
319
N
H
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
H
N
328
N
H
N
329
N
H
Y
330
N
N
Y
331
N
C
N
332
N
C
Y
333
N
C
N
334
N
O
Y
335
N
C
N
336
N
C
N
337
N
O
Y
338
N
C
Y
339
N
C
N
340
N
C
N
341
N
O
N
342
N
P
N
343
N
O
N
344
N
O
N
345
N
O
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
N
N
357
S
C
N
358
N
C
N
359
N
O
N
360
N
C
N
361
N
C
N
362
N
C
N
363
N
O
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
N
N
374
S
C
N
375
N
C
N
376
N
O
N
377
N
C
N
378
N
O
N
379
N
O
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
N
N
388
S
C
N
389
N
C
N
390
N
O
N
391
R
C
N
392
N
O
N
393
N
C
N
394
N
O
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
N
N
405
S
C
N
406
N
C
N
407
N
O
N
408
N
C
Y
409
N
C
Y
410
N
C
Y
411
N
C
Y
412
N
C
Y
413
N
C
Y
414
N
C
N
415
N
O
N
416
N
O
N
417
N
H
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
H
N
426
N
H
N
427
N
H
N
428
N
N
N
429
S
C
N
430
N
C
N
431
N
O
N
432
N
C
N
433
N
C
N
434
N
C
N
435
N
O
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
H
N
443
N
H
N
444
N
H
N
445
N
H
N
446
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
Y
83
N
sing
Y
84
N
sing
N
85
N
sing
N
86
N
sing
Y
87
N
doub
N
88
N
sing
N
89
N
sing
Y
90
N
sing
N
91
N
doub
Y
92
N
sing
N
93
N
sing
Y
94
N
doub
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
Y
110
N
doub
Y
111
N
sing
N
112
N
sing
Y
113
N
sing
N
114
N
sing
Y
115
N
doub
N
116
N
sing
Y
117
N
sing
Y
118
N
doub
N
119
N
sing
N
120
N
sing
N
121
N
doub
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
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
doub
N
135
N
sing
N
136
N
sing
N
137
N
doub
N
138
N
sing
N
139
N
sing
N
140
N
doub
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
doub
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
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
doub
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
doub
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
sing
N
183
N
sing
N
184
N
sing
N
185
N
doub
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
Y
199
N
sing
Y
200
N
doub
Y
201
N
doub
N
202
N
sing
Y
203
N
sing
N
204
N
sing
Y
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
doub
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
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
doub
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
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
doub
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
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
doub
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
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
doub
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
Y
307
N
doub
Y
308
N
sing
Y
309
N
sing
N
310
N
sing
Y
311
N
doub
N
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
Y
319
N
doub
Y
320
N
sing
N
321
N
sing
Y
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
Y
327
N
doub
N
328
N
sing
N
329
N
sing
Y
330
N
sing
N
331
N
doub
N
332
N
sing
Y
333
N
doub
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
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
doub
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
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
doub
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
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
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
doub
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
Y
402
N
doub
Y
403
N
sing
Y
404
N
sing
N
405
N
sing
Y
406
N
doub
N
407
N
sing
Y
408
N
doub
N
409
N
sing
Y
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
doub
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
17161
17169
10.1074/jbc.M111976200
11877399
Crystal structure of binary and ternary complexes of serine hydroxymethyltransferase from Bacillus stearothermophilus: insights into the catalytic mechanism.
2002
10.2210/pdb1kl2/pdb
pdb_00001kl2
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
mirrors
IMAGE PLATE
2001-05-09
MARRESEARCH
mar mirrors
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU300
45711.738
Serine Hydroxymethyltransferase
2.1.2.1
2
man
polymer
247.142
PYRIDOXAL-5'-PHOSPHATE
2
syn
non-polymer
75.067
GLYCINE
2
syn
non-polymer
473.439
N-{[4-({[(6R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)phenyl]carbonyl}-L-glutamic acid
2
syn
non-polymer
18.015
water
57
nat
water
SERINE METHYLASE, SHMT
no
no
MKYLPQQDPQVFAAIEQERKRQHAKIELIASENFVSRAVMEAQGSVLTNKYAEGYPGRRYYGGCEYVDIVEELARERAKQ
LFGAEHANVQPHSGAQANMAVYFTVLEHGDTVLGMNLSHGGHLTHGSPVNFSGVQYNFVAYGVDPETHVIDYDDVREKAR
LHRPKLIVAAASAYPRIIDFAKFREIADEVGAYLMVDMAHIAGLVAAGLHPNPVPYAHFVTTTTHKTLRGPRGGMILCQE
QFAKQIDKAIFPGIQGGPLMHVIAAKAVAFGEALQDDFKAYAKRVVDNAKRLASALQNEGFTLVSGGTDNHLLLVDLRPQ
QLTGKTAEKVLDEVGITVNKNTIPYDPESPFVTSGIRIGTAAVTTRGFGLEEMDEIAAIIGLVLKNVGSEQALEEARQRV
AALTDPTSRSAAGTMEFEA
MKYLPQQDPQVFAAIEQERKRQHAKIELIASENFVSRAVMEAQGSVLTNKYAEGYPGRRYYGGCEYVDIVEELARERAKQ
LFGAEHANVQPHSGAQANMAVYFTVLEHGDTVLGMNLSHGGHLTHGSPVNFSGVQYNFVAYGVDPETHVIDYDDVREKAR
LHRPKLIVAAASAYPRIIDFAKFREIADEVGAYLMVDMAHIAGLVAAGLHPNPVPYAHFVTTTTHKTLRGPRGGMILCQE
QFAKQIDKAIFPGIQGGPLMHVIAAKAVAFGEALQDDFKAYAKRVVDNAKRLASALQNEGFTLVSGGTDNHLLLVDLRPQ
QLTGKTAEKVLDEVGITVNKNTIPYDPESPFVTSGIRIGTAAVTTRGFGLEEMDEIAAIIGLVLKNVGSEQALEEARQRV
AALTDPTSRSAAGTMEFEA
A,B
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Geobacillus
Escherichia
Escherichia coli
sample
1422
Geobacillus stearothermophilus
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pRSETC
1
2.05
40.04
VAPOR DIFFUSION, HANGING DROP
7.5
HEPES MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
struct_site
repository
Initial release
Version format compliance
Non-polymer description
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2002-07-10
1
1
2008-04-27
1
2
2011-07-13
1
3
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1KKJ is the native protein ( without substrate)
1KKP is SHMT complexed with Serine substrate
1KL1 is SHMT complexed with Glycine substrate
SEQUENCE
AN APPROPRIATE SEQUENCE DATABASE REFERENCE
WAS NOT AVAILABLE AT THE TIME OF PROCESSING.
ALSO, RESIDUES 403-419 ARE CLONING ARTIFACTS.
RCSB
Y
RCSB
2001-12-11
REL
REL
PLP
PYRIDOXAL-5'-PHOSPHATE
GLY
GLYCINE
FON
N-{[4-({[(6R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)phenyl]carbonyl}-L-glutamic acid
HOH
water
1KKJ
PDB
experimental model
PLP
501
2
PLP
PLP
501
A
PLP
501
3
GLY
GLY
601
A
THF
505
4
FON
FON
505
A
PLP
502
2
PLP
PLP
502
B
PLP
502
3
GLY
GLY
602
B
THF
506
4
FON
FON
506
B
HOH
3
5
HOH
HOH
602
A
HOH
4
5
HOH
HOH
603
A
HOH
5
5
HOH
HOH
604
A
HOH
6
5
HOH
HOH
605
A
HOH
7
5
HOH
HOH
606
A
HOH
8
5
HOH
HOH
607
A
HOH
9
5
HOH
HOH
608
A
HOH
10
5
HOH
HOH
609
A
HOH
11
5
HOH
HOH
610
A
HOH
17
5
HOH
HOH
611
A
HOH
21
5
HOH
HOH
612
A
HOH
24
5
HOH
HOH
613
A
HOH
25
5
HOH
HOH
614
A
HOH
26
5
HOH
HOH
615
A
HOH
27
5
HOH
HOH
616
A
HOH
28
5
HOH
HOH
617
A
HOH
29
5
HOH
HOH
618
A
HOH
30
5
HOH
HOH
619
A
HOH
31
5
HOH
HOH
620
A
HOH
32
5
HOH
HOH
621
A
HOH
33
5
HOH
HOH
622
A
HOH
34
5
HOH
HOH
623
A
HOH
35
5
HOH
HOH
624
A
HOH
57
5
HOH
HOH
625
A
HOH
1
5
HOH
HOH
603
B
HOH
2
5
HOH
HOH
604
B
HOH
12
5
HOH
HOH
605
B
HOH
13
5
HOH
HOH
606
B
HOH
14
5
HOH
HOH
607
B
HOH
15
5
HOH
HOH
608
B
HOH
16
5
HOH
HOH
609
B
HOH
18
5
HOH
HOH
610
B
HOH
19
5
HOH
HOH
611
B
HOH
20
5
HOH
HOH
612
B
HOH
22
5
HOH
HOH
613
B
HOH
23
5
HOH
HOH
614
B
HOH
36
5
HOH
HOH
615
B
HOH
37
5
HOH
HOH
616
B
HOH
38
5
HOH
HOH
617
B
HOH
39
5
HOH
HOH
618
B
HOH
40
5
HOH
HOH
619
B
HOH
41
5
HOH
HOH
620
B
HOH
42
5
HOH
HOH
621
B
HOH
43
5
HOH
HOH
622
B
HOH
44
5
HOH
HOH
623
B
HOH
45
5
HOH
HOH
624
B
HOH
46
5
HOH
HOH
625
B
HOH
47
5
HOH
HOH
626
B
HOH
48
5
HOH
HOH
627
B
HOH
49
5
HOH
HOH
628
B
HOH
50
5
HOH
HOH
629
B
HOH
51
5
HOH
HOH
630
B
HOH
52
5
HOH
HOH
631
B
HOH
53
5
HOH
HOH
632
B
HOH
54
5
HOH
HOH
633
B
HOH
55
5
HOH
HOH
634
B
HOH
56
5
HOH
HOH
635
B
MET
1
n
1
MET
1
A
LYS
2
n
2
LYS
2
A
TYR
3
n
3
TYR
3
A
LEU
4
n
4
LEU
4
A
PRO
5
n
5
PRO
5
A
GLN
6
n
6
GLN
6
A
GLN
7
n
7
GLN
7
A
ASP
8
n
8
ASP
8
A
PRO
9
n
9
PRO
9
A
GLN
10
n
10
GLN
10
A
VAL
11
n
11
VAL
11
A
PHE
12
n
12
PHE
12
A
ALA
13
n
13
ALA
13
A
ALA
14
n
14
ALA
14
A
ILE
15
n
15
ILE
15
A
GLU
16
n
16
GLU
16
A
GLN
17
n
17
GLN
17
A
GLU
18
n
18
GLU
18
A
ARG
19
n
19
ARG
19
A
LYS
20
n
20
LYS
20
A
ARG
21
n
21
ARG
21
A
GLN
22
n
22
GLN
22
A
HIS
23
n
23
HIS
23
A
ALA
24
n
24
ALA
24
A
LYS
25
n
25
LYS
25
A
ILE
26
n
26
ILE
26
A
GLU
27
n
27
GLU
27
A
LEU
28
n
28
LEU
28
A
ILE
29
n
29
ILE
29
A
ALA
30
n
30
ALA
30
A
SER
31
n
31
SER
31
A
GLU
32
n
32
GLU
32
A
ASN
33
n
33
ASN
33
A
PHE
34
n
34
PHE
34
A
VAL
35
n
35
VAL
35
A
SER
36
n
36
SER
36
A
ARG
37
n
37
ARG
37
A
ALA
38
n
38
ALA
38
A
VAL
39
n
39
VAL
39
A
MET
40
n
40
MET
40
A
GLU
41
n
41
GLU
41
A
ALA
42
n
42
ALA
42
A
GLN
43
n
43
GLN
43
A
GLY
44
n
44
GLY
44
A
SER
45
n
45
SER
45
A
VAL
46
n
46
VAL
46
A
LEU
47
n
47
LEU
47
A
THR
48
n
48
THR
48
A
ASN
49
n
49
ASN
49
A
LYS
50
n
50
LYS
50
A
TYR
51
n
51
TYR
51
A
ALA
52
n
52
ALA
52
A
GLU
53
n
53
GLU
53
A
GLY
54
n
54
GLY
54
A
TYR
55
n
55
TYR
55
A
PRO
56
n
56
PRO
56
A
GLY
57
n
57
GLY
57
A
ARG
58
n
58
ARG
58
A
ARG
59
n
59
ARG
59
A
TYR
60
n
60
TYR
60
A
TYR
61
n
61
TYR
61
A
GLY
62
n
62
GLY
62
A
GLY
63
n
63
GLY
63
A
CYS
64
n
64
CYS
64
A
GLU
65
n
65
GLU
65
A
TYR
66
n
66
TYR
66
A
VAL
67
n
67
VAL
67
A
ASP
68
n
68
ASP
68
A
ILE
69
n
69
ILE
69
A
VAL
70
n
70
VAL
70
A
GLU
71
n
71
GLU
71
A
GLU
72
n
72
GLU
72
A
LEU
73
n
73
LEU
73
A
ALA
74
n
74
ALA
74
A
ARG
75
n
75
ARG
75
A
GLU
76
n
76
GLU
76
A
ARG
77
n
77
ARG
77
A
ALA
78
n
78
ALA
78
A
LYS
79
n
79
LYS
79
A
GLN
80
n
80
GLN
80
A
LEU
81
n
81
LEU
81
A
PHE
82
n
82
PHE
82
A
GLY
83
n
83
GLY
83
A
ALA
84
n
84
ALA
84
A
GLU
85
n
85
GLU
85
A
HIS
86
n
86
HIS
86
A
ALA
87
n
87
ALA
87
A
ASN
88
n
88
ASN
88
A
VAL
89
n
89
VAL
89
A
GLN
90
n
90
GLN
90
A
PRO
91
n
91
PRO
91
A
HIS
92
n
92
HIS
92
A
SER
93
n
93
SER
93
A
GLY
94
n
94
GLY
94
A
ALA
95
n
95
ALA
95
A
GLN
96
n
96
GLN
96
A
ALA
97
n
97
ALA
97
A
ASN
98
n
98
ASN
98
A
MET
99
n
99
MET
99
A
ALA
100
n
100
ALA
100
A
VAL
101
n
101
VAL
101
A
TYR
102
n
102
TYR
102
A
PHE
103
n
103
PHE
103
A
THR
104
n
104
THR
104
A
VAL
105
n
105
VAL
105
A
LEU
106
n
106
LEU
106
A
GLU
107
n
107
GLU
107
A
HIS
108
n
108
HIS
108
A
GLY
109
n
109
GLY
109
A
ASP
110
n
110
ASP
110
A
THR
111
n
111
THR
111
A
VAL
112
n
112
VAL
112
A
LEU
113
n
113
LEU
113
A
GLY
114
n
114
GLY
114
A
MET
115
n
115
MET
115
A
ASN
116
n
116
ASN
116
A
LEU
117
n
117
LEU
117
A
SER
118
n
118
SER
118
A
HIS
119
n
119
HIS
119
A
GLY
120
n
120
GLY
120
A
GLY
121
n
121
GLY
121
A
HIS
122
n
122
HIS
122
A
LEU
123
n
123
LEU
123
A
THR
124
n
124
THR
124
A
HIS
125
n
125
HIS
125
A
GLY
126
n
126
GLY
126
A
SER
127
n
127
SER
127
A
PRO
128
n
128
PRO
128
A
VAL
129
n
129
VAL
129
A
ASN
130
n
130
ASN
130
A
PHE
131
n
131
PHE
131
A
SER
132
n
132
SER
132
A
GLY
133
n
133
GLY
133
A
VAL
134
n
134
VAL
134
A
GLN
135
n
135
GLN
135
A
TYR
136
n
136
TYR
136
A
ASN
137
n
137
ASN
137
A
PHE
138
n
138
PHE
138
A
VAL
139
n
139
VAL
139
A
ALA
140
n
140
ALA
140
A
TYR
141
n
141
TYR
141
A
GLY
142
n
142
GLY
142
A
VAL
143
n
143
VAL
143
A
ASP
144
n
144
ASP
144
A
PRO
145
n
145
PRO
145
A
GLU
146
n
146
GLU
146
A
THR
147
n
147
THR
147
A
HIS
148
n
148
HIS
148
A
VAL
149
n
149
VAL
149
A
ILE
150
n
150
ILE
150
A
ASP
151
n
151
ASP
151
A
TYR
152
n
152
TYR
152
A
ASP
153
n
153
ASP
153
A
ASP
154
n
154
ASP
154
A
VAL
155
n
155
VAL
155
A
ARG
156
n
156
ARG
156
A
GLU
157
n
157
GLU
157
A
LYS
158
n
158
LYS
158
A
ALA
159
n
159
ALA
159
A
ARG
160
n
160
ARG
160
A
LEU
161
n
161
LEU
161
A
HIS
162
n
162
HIS
162
A
ARG
163
n
163
ARG
163
A
PRO
164
n
164
PRO
164
A
LYS
165
n
165
LYS
165
A
LEU
166
n
166
LEU
166
A
ILE
167
n
167
ILE
167
A
VAL
168
n
168
VAL
168
A
ALA
169
n
169
ALA
169
A
ALA
170
n
170
ALA
170
A
ALA
171
n
171
ALA
171
A
SER
172
n
172
SER
172
A
ALA
173
n
173
ALA
173
A
TYR
174
n
174
TYR
174
A
PRO
175
n
175
PRO
175
A
ARG
176
n
176
ARG
176
A
ILE
177
n
177
ILE
177
A
ILE
178
n
178
ILE
178
A
ASP
179
n
179
ASP
179
A
PHE
180
n
180
PHE
180
A
ALA
181
n
181
ALA
181
A
LYS
182
n
182
LYS
182
A
PHE
183
n
183
PHE
183
A
ARG
184
n
184
ARG
184
A
GLU
185
n
185
GLU
185
A
ILE
186
n
186
ILE
186
A
ALA
187
n
187
ALA
187
A
ASP
188
n
188
ASP
188
A
GLU
189
n
189
GLU
189
A
VAL
190
n
190
VAL
190
A
GLY
191
n
191
GLY
191
A
ALA
192
n
192
ALA
192
A
TYR
193
n
193
TYR
193
A
LEU
194
n
194
LEU
194
A
MET
195
n
195
MET
195
A
VAL
196
n
196
VAL
196
A
ASP
197
n
197
ASP
197
A
MET
198
n
198
MET
198
A
ALA
199
n
199
ALA
199
A
HIS
200
n
200
HIS
200
A
ILE
201
n
201
ILE
201
A
ALA
202
n
202
ALA
202
A
GLY
203
n
203
GLY
203
A
LEU
204
n
204
LEU
204
A
VAL
205
n
205
VAL
205
A
ALA
206
n
206
ALA
206
A
ALA
207
n
207
ALA
207
A
GLY
208
n
208
GLY
208
A
LEU
209
n
209
LEU
209
A
HIS
210
n
210
HIS
210
A
PRO
211
n
211
PRO
211
A
ASN
212
n
212
ASN
212
A
PRO
213
n
213
PRO
213
A
VAL
214
n
214
VAL
214
A
PRO
215
n
215
PRO
215
A
TYR
216
n
216
TYR
216
A
ALA
217
n
217
ALA
217
A
HIS
218
n
218
HIS
218
A
PHE
219
n
219
PHE
219
A
VAL
220
n
220
VAL
220
A
THR
221
n
221
THR
221
A
THR
222
n
222
THR
222
A
THR
223
n
223
THR
223
A
THR
224
n
224
THR
224
A
HIS
225
n
225
HIS
225
A
LYS
226
n
226
LYS
226
A
THR
227
n
227
THR
227
A
LEU
228
n
228
LEU
228
A
ARG
229
n
229
ARG
229
A
GLY
230
n
230
GLY
230
A
PRO
231
n
231
PRO
231
A
ARG
232
n
232
ARG
232
A
GLY
233
n
233
GLY
233
A
GLY
234
n
234
GLY
234
A
MET
235
n
235
MET
235
A
ILE
236
n
236
ILE
236
A
LEU
237
n
237
LEU
237
A
CYS
238
n
238
CYS
238
A
GLN
239
n
239
GLN
239
A
GLU
240
n
240
GLU
240
A
GLN
241
n
241
GLN
241
A
PHE
242
n
242
PHE
242
A
ALA
243
n
243
ALA
243
A
LYS
244
n
244
LYS
244
A
GLN
245
n
245
GLN
245
A
ILE
246
n
246
ILE
246
A
ASP
247
n
247
ASP
247
A
LYS
248
n
248
LYS
248
A
ALA
249
n
249
ALA
249
A
ILE
250
n
250
ILE
250
A
PHE
251
n
251
PHE
251
A
PRO
252
n
252
PRO
252
A
GLY
253
n
253
GLY
253
A
ILE
254
n
254
ILE
254
A
GLN
255
n
255
GLN
255
A
GLY
256
n
256
GLY
256
A
GLY
257
n
257
GLY
257
A
PRO
258
n
258
PRO
258
A
LEU
259
n
259
LEU
259
A
MET
260
n
260
MET
260
A
HIS
261
n
261
HIS
261
A
VAL
262
n
262
VAL
262
A
ILE
263
n
263
ILE
263
A
ALA
264
n
264
ALA
264
A
ALA
265
n
265
ALA
265
A
LYS
266
n
266
LYS
266
A
ALA
267
n
267
ALA
267
A
VAL
268
n
268
VAL
268
A
ALA
269
n
269
ALA
269
A
PHE
270
n
270
PHE
270
A
GLY
271
n
271
GLY
271
A
GLU
272
n
272
GLU
272
A
ALA
273
n
273
ALA
273
A
LEU
274
n
274
LEU
274
A
GLN
275
n
275
GLN
275
A
ASP
276
n
276
ASP
276
A
ASP
277
n
277
ASP
277
A
PHE
278
n
278
PHE
278
A
LYS
279
n
279
LYS
279
A
ALA
280
n
280
ALA
280
A
TYR
281
n
281
TYR
281
A
ALA
282
n
282
ALA
282
A
LYS
283
n
283
LYS
283
A
ARG
284
n
284
ARG
284
A
VAL
285
n
285
VAL
285
A
VAL
286
n
286
VAL
286
A
ASP
287
n
287
ASP
287
A
ASN
288
n
288
ASN
288
A
ALA
289
n
289
ALA
289
A
LYS
290
n
290
LYS
290
A
ARG
291
n
291
ARG
291
A
LEU
292
n
292
LEU
292
A
ALA
293
n
293
ALA
293
A
SER
294
n
294
SER
294
A
ALA
295
n
295
ALA
295
A
LEU
296
n
296
LEU
296
A
GLN
297
n
297
GLN
297
A
ASN
298
n
298
ASN
298
A
GLU
299
n
299
GLU
299
A
GLY
300
n
300
GLY
300
A
PHE
301
n
301
PHE
301
A
THR
302
n
302
THR
302
A
LEU
303
n
303
LEU
303
A
VAL
304
n
304
VAL
304
A
SER
305
n
305
SER
305
A
GLY
306
n
306
GLY
306
A
GLY
307
n
307
GLY
307
A
THR
308
n
308
THR
308
A
ASP
309
n
309
ASP
309
A
ASN
310
n
310
ASN
310
A
HIS
311
n
311
HIS
311
A
LEU
312
n
312
LEU
312
A
LEU
313
n
313
LEU
313
A
LEU
314
n
314
LEU
314
A
VAL
315
n
315
VAL
315
A
ASP
316
n
316
ASP
316
A
LEU
317
n
317
LEU
317
A
ARG
318
n
318
ARG
318
A
PRO
319
n
319
PRO
319
A
GLN
320
n
320
GLN
320
A
GLN
321
n
321
GLN
321
A
LEU
322
n
322
LEU
322
A
THR
323
n
323
THR
323
A
GLY
324
n
324
GLY
324
A
LYS
325
n
325
LYS
325
A
THR
326
n
326
THR
326
A
ALA
327
n
327
ALA
327
A
GLU
328
n
328
GLU
328
A
LYS
329
n
329
LYS
329
A
VAL
330
n
330
VAL
330
A
LEU
331
n
331
LEU
331
A
ASP
332
n
332
ASP
332
A
GLU
333
n
333
GLU
333
A
VAL
334
n
334
VAL
334
A
GLY
335
n
335
GLY
335
A
ILE
336
n
336
ILE
336
A
THR
337
n
337
THR
337
A
VAL
338
n
338
VAL
338
A
ASN
339
n
339
ASN
339
A
LYS
340
n
340
LYS
340
A
ASN
341
n
341
ASN
341
A
THR
342
n
342
THR
342
A
ILE
343
n
343
ILE
343
A
PRO
344
n
344
PRO
344
A
TYR
345
n
345
TYR
345
A
ASP
346
n
346
ASP
346
A
PRO
347
n
347
PRO
347
A
GLU
348
n
348
GLU
348
A
SER
349
n
349
SER
349
A
PRO
350
n
350
PRO
350
A
PHE
351
n
351
PHE
351
A
VAL
352
n
352
VAL
352
A
THR
353
n
353
THR
353
A
SER
354
n
354
SER
354
A
GLY
355
n
355
GLY
355
A
ILE
356
n
356
ILE
356
A
ARG
357
n
357
ARG
357
A
ILE
358
n
358
ILE
358
A
GLY
359
n
359
GLY
359
A
THR
360
n
360
THR
360
A
ALA
361
n
361
ALA
361
A
ALA
362
n
362
ALA
362
A
VAL
363
n
363
VAL
363
A
THR
364
n
364
THR
364
A
THR
365
n
365
THR
365
A
ARG
366
n
366
ARG
366
A
GLY
367
n
367
GLY
367
A
PHE
368
n
368
PHE
368
A
GLY
369
n
369
GLY
369
A
LEU
370
n
370
LEU
370
A
GLU
371
n
371
GLU
371
A
GLU
372
n
372
GLU
372
A
MET
373
n
373
MET
373
A
ASP
374
n
374
ASP
374
A
GLU
375
n
375
GLU
375
A
ILE
376
n
376
ILE
376
A
ALA
377
n
377
ALA
377
A
ALA
378
n
378
ALA
378
A
ILE
379
n
379
ILE
379
A
ILE
380
n
380
ILE
380
A
GLY
381
n
381
GLY
381
A
LEU
382
n
382
LEU
382
A
VAL
383
n
383
VAL
383
A
LEU
384
n
384
LEU
384
A
LYS
385
n
385
LYS
385
A
ASN
386
n
386
ASN
386
A
VAL
387
n
387
VAL
387
A
GLY
388
n
388
GLY
388
A
SER
389
n
389
SER
389
A
GLU
390
n
390
GLU
390
A
GLN
391
n
391
GLN
391
A
ALA
392
n
392
ALA
392
A
LEU
393
n
393
LEU
393
A
GLU
394
n
394
GLU
394
A
GLU
395
n
395
GLU
395
A
ALA
396
n
396
ALA
396
A
ARG
397
n
397
ARG
397
A
GLN
398
n
398
GLN
398
A
ARG
399
n
399
ARG
399
A
VAL
400
n
400
VAL
400
A
ALA
401
n
401
ALA
401
A
ALA
402
n
402
ALA
402
A
LEU
403
n
403
LEU
403
A
THR
404
n
404
THR
404
A
ASP
405
n
405
ASP
405
A
n
406
406
A
n
407
407
A
n
408
408
A
n
409
409
A
n
410
410
A
n
411
411
A
n
412
412
A
n
413
413
A
n
414
414
A
n
415
415
A
n
416
416
A
n
417
417
A
n
418
418
A
n
419
419
A
MET
1
n
1
MET
1
B
LYS
2
n
2
LYS
2
B
TYR
3
n
3
TYR
3
B
LEU
4
n
4
LEU
4
B
PRO
5
n
5
PRO
5
B
GLN
6
n
6
GLN
6
B
GLN
7
n
7
GLN
7
B
ASP
8
n
8
ASP
8
B
PRO
9
n
9
PRO
9
B
GLN
10
n
10
GLN
10
B
VAL
11
n
11
VAL
11
B
PHE
12
n
12
PHE
12
B
ALA
13
n
13
ALA
13
B
ALA
14
n
14
ALA
14
B
ILE
15
n
15
ILE
15
B
GLU
16
n
16
GLU
16
B
GLN
17
n
17
GLN
17
B
GLU
18
n
18
GLU
18
B
ARG
19
n
19
ARG
19
B
LYS
20
n
20
LYS
20
B
ARG
21
n
21
ARG
21
B
GLN
22
n
22
GLN
22
B
HIS
23
n
23
HIS
23
B
ALA
24
n
24
ALA
24
B
LYS
25
n
25
LYS
25
B
ILE
26
n
26
ILE
26
B
GLU
27
n
27
GLU
27
B
LEU
28
n
28
LEU
28
B
ILE
29
n
29
ILE
29
B
ALA
30
n
30
ALA
30
B
SER
31
n
31
SER
31
B
GLU
32
n
32
GLU
32
B
ASN
33
n
33
ASN
33
B
PHE
34
n
34
PHE
34
B
VAL
35
n
35
VAL
35
B
SER
36
n
36
SER
36
B
ARG
37
n
37
ARG
37
B
ALA
38
n
38
ALA
38
B
VAL
39
n
39
VAL
39
B
MET
40
n
40
MET
40
B
GLU
41
n
41
GLU
41
B
ALA
42
n
42
ALA
42
B
GLN
43
n
43
GLN
43
B
GLY
44
n
44
GLY
44
B
SER
45
n
45
SER
45
B
VAL
46
n
46
VAL
46
B
LEU
47
n
47
LEU
47
B
THR
48
n
48
THR
48
B
ASN
49
n
49
ASN
49
B
LYS
50
n
50
LYS
50
B
TYR
51
n
51
TYR
51
B
ALA
52
n
52
ALA
52
B
GLU
53
n
53
GLU
53
B
GLY
54
n
54
GLY
54
B
TYR
55
n
55
TYR
55
B
PRO
56
n
56
PRO
56
B
GLY
57
n
57
GLY
57
B
ARG
58
n
58
ARG
58
B
ARG
59
n
59
ARG
59
B
TYR
60
n
60
TYR
60
B
TYR
61
n
61
TYR
61
B
GLY
62
n
62
GLY
62
B
GLY
63
n
63
GLY
63
B
CYS
64
n
64
CYS
64
B
GLU
65
n
65
GLU
65
B
TYR
66
n
66
TYR
66
B
VAL
67
n
67
VAL
67
B
ASP
68
n
68
ASP
68
B
ILE
69
n
69
ILE
69
B
VAL
70
n
70
VAL
70
B
GLU
71
n
71
GLU
71
B
GLU
72
n
72
GLU
72
B
LEU
73
n
73
LEU
73
B
ALA
74
n
74
ALA
74
B
ARG
75
n
75
ARG
75
B
GLU
76
n
76
GLU
76
B
ARG
77
n
77
ARG
77
B
ALA
78
n
78
ALA
78
B
LYS
79
n
79
LYS
79
B
GLN
80
n
80
GLN
80
B
LEU
81
n
81
LEU
81
B
PHE
82
n
82
PHE
82
B
GLY
83
n
83
GLY
83
B
ALA
84
n
84
ALA
84
B
GLU
85
n
85
GLU
85
B
HIS
86
n
86
HIS
86
B
ALA
87
n
87
ALA
87
B
ASN
88
n
88
ASN
88
B
VAL
89
n
89
VAL
89
B
GLN
90
n
90
GLN
90
B
PRO
91
n
91
PRO
91
B
HIS
92
n
92
HIS
92
B
SER
93
n
93
SER
93
B
GLY
94
n
94
GLY
94
B
ALA
95
n
95
ALA
95
B
GLN
96
n
96
GLN
96
B
ALA
97
n
97
ALA
97
B
ASN
98
n
98
ASN
98
B
MET
99
n
99
MET
99
B
ALA
100
n
100
ALA
100
B
VAL
101
n
101
VAL
101
B
TYR
102
n
102
TYR
102
B
PHE
103
n
103
PHE
103
B
THR
104
n
104
THR
104
B
VAL
105
n
105
VAL
105
B
LEU
106
n
106
LEU
106
B
GLU
107
n
107
GLU
107
B
HIS
108
n
108
HIS
108
B
GLY
109
n
109
GLY
109
B
ASP
110
n
110
ASP
110
B
THR
111
n
111
THR
111
B
VAL
112
n
112
VAL
112
B
LEU
113
n
113
LEU
113
B
GLY
114
n
114
GLY
114
B
MET
115
n
115
MET
115
B
ASN
116
n
116
ASN
116
B
LEU
117
n
117
LEU
117
B
SER
118
n
118
SER
118
B
HIS
119
n
119
HIS
119
B
GLY
120
n
120
GLY
120
B
GLY
121
n
121
GLY
121
B
HIS
122
n
122
HIS
122
B
LEU
123
n
123
LEU
123
B
THR
124
n
124
THR
124
B
HIS
125
n
125
HIS
125
B
GLY
126
n
126
GLY
126
B
SER
127
n
127
SER
127
B
PRO
128
n
128
PRO
128
B
VAL
129
n
129
VAL
129
B
ASN
130
n
130
ASN
130
B
PHE
131
n
131
PHE
131
B
SER
132
n
132
SER
132
B
GLY
133
n
133
GLY
133
B
VAL
134
n
134
VAL
134
B
GLN
135
n
135
GLN
135
B
TYR
136
n
136
TYR
136
B
ASN
137
n
137
ASN
137
B
PHE
138
n
138
PHE
138
B
VAL
139
n
139
VAL
139
B
ALA
140
n
140
ALA
140
B
TYR
141
n
141
TYR
141
B
GLY
142
n
142
GLY
142
B
VAL
143
n
143
VAL
143
B
ASP
144
n
144
ASP
144
B
PRO
145
n
145
PRO
145
B
GLU
146
n
146
GLU
146
B
THR
147
n
147
THR
147
B
HIS
148
n
148
HIS
148
B
VAL
149
n
149
VAL
149
B
ILE
150
n
150
ILE
150
B
ASP
151
n
151
ASP
151
B
TYR
152
n
152
TYR
152
B
ASP
153
n
153
ASP
153
B
ASP
154
n
154
ASP
154
B
VAL
155
n
155
VAL
155
B
ARG
156
n
156
ARG
156
B
GLU
157
n
157
GLU
157
B
LYS
158
n
158
LYS
158
B
ALA
159
n
159
ALA
159
B
ARG
160
n
160
ARG
160
B
LEU
161
n
161
LEU
161
B
HIS
162
n
162
HIS
162
B
ARG
163
n
163
ARG
163
B
PRO
164
n
164
PRO
164
B
LYS
165
n
165
LYS
165
B
LEU
166
n
166
LEU
166
B
ILE
167
n
167
ILE
167
B
VAL
168
n
168
VAL
168
B
ALA
169
n
169
ALA
169
B
ALA
170
n
170
ALA
170
B
ALA
171
n
171
ALA
171
B
SER
172
n
172
SER
172
B
ALA
173
n
173
ALA
173
B
TYR
174
n
174
TYR
174
B
PRO
175
n
175
PRO
175
B
ARG
176
n
176
ARG
176
B
ILE
177
n
177
ILE
177
B
ILE
178
n
178
ILE
178
B
ASP
179
n
179
ASP
179
B
PHE
180
n
180
PHE
180
B
ALA
181
n
181
ALA
181
B
LYS
182
n
182
LYS
182
B
PHE
183
n
183
PHE
183
B
ARG
184
n
184
ARG
184
B
GLU
185
n
185
GLU
185
B
ILE
186
n
186
ILE
186
B
ALA
187
n
187
ALA
187
B
ASP
188
n
188
ASP
188
B
GLU
189
n
189
GLU
189
B
VAL
190
n
190
VAL
190
B
GLY
191
n
191
GLY
191
B
ALA
192
n
192
ALA
192
B
TYR
193
n
193
TYR
193
B
LEU
194
n
194
LEU
194
B
MET
195
n
195
MET
195
B
VAL
196
n
196
VAL
196
B
ASP
197
n
197
ASP
197
B
MET
198
n
198
MET
198
B
ALA
199
n
199
ALA
199
B
HIS
200
n
200
HIS
200
B
ILE
201
n
201
ILE
201
B
ALA
202
n
202
ALA
202
B
GLY
203
n
203
GLY
203
B
LEU
204
n
204
LEU
204
B
VAL
205
n
205
VAL
205
B
ALA
206
n
206
ALA
206
B
ALA
207
n
207
ALA
207
B
GLY
208
n
208
GLY
208
B
LEU
209
n
209
LEU
209
B
HIS
210
n
210
HIS
210
B
PRO
211
n
211
PRO
211
B
ASN
212
n
212
ASN
212
B
PRO
213
n
213
PRO
213
B
VAL
214
n
214
VAL
214
B
PRO
215
n
215
PRO
215
B
TYR
216
n
216
TYR
216
B
ALA
217
n
217
ALA
217
B
HIS
218
n
218
HIS
218
B
PHE
219
n
219
PHE
219
B
VAL
220
n
220
VAL
220
B
THR
221
n
221
THR
221
B
THR
222
n
222
THR
222
B
THR
223
n
223
THR
223
B
THR
224
n
224
THR
224
B
HIS
225
n
225
HIS
225
B
LYS
226
n
226
LYS
226
B
THR
227
n
227
THR
227
B
LEU
228
n
228
LEU
228
B
ARG
229
n
229
ARG
229
B
GLY
230
n
230
GLY
230
B
PRO
231
n
231
PRO
231
B
ARG
232
n
232
ARG
232
B
GLY
233
n
233
GLY
233
B
GLY
234
n
234
GLY
234
B
MET
235
n
235
MET
235
B
ILE
236
n
236
ILE
236
B
LEU
237
n
237
LEU
237
B
CYS
238
n
238
CYS
238
B
GLN
239
n
239
GLN
239
B
GLU
240
n
240
GLU
240
B
GLN
241
n
241
GLN
241
B
PHE
242
n
242
PHE
242
B
ALA
243
n
243
ALA
243
B
LYS
244
n
244
LYS
244
B
GLN
245
n
245
GLN
245
B
ILE
246
n
246
ILE
246
B
ASP
247
n
247
ASP
247
B
LYS
248
n
248
LYS
248
B
ALA
249
n
249
ALA
249
B
ILE
250
n
250
ILE
250
B
PHE
251
n
251
PHE
251
B
PRO
252
n
252
PRO
252
B
GLY
253
n
253
GLY
253
B
ILE
254
n
254
ILE
254
B
GLN
255
n
255
GLN
255
B
GLY
256
n
256
GLY
256
B
GLY
257
n
257
GLY
257
B
PRO
258
n
258
PRO
258
B
LEU
259
n
259
LEU
259
B
MET
260
n
260
MET
260
B
HIS
261
n
261
HIS
261
B
VAL
262
n
262
VAL
262
B
ILE
263
n
263
ILE
263
B
ALA
264
n
264
ALA
264
B
ALA
265
n
265
ALA
265
B
LYS
266
n
266
LYS
266
B
ALA
267
n
267
ALA
267
B
VAL
268
n
268
VAL
268
B
ALA
269
n
269
ALA
269
B
PHE
270
n
270
PHE
270
B
GLY
271
n
271
GLY
271
B
GLU
272
n
272
GLU
272
B
ALA
273
n
273
ALA
273
B
LEU
274
n
274
LEU
274
B
GLN
275
n
275
GLN
275
B
ASP
276
n
276
ASP
276
B
ASP
277
n
277
ASP
277
B
PHE
278
n
278
PHE
278
B
LYS
279
n
279
LYS
279
B
ALA
280
n
280
ALA
280
B
TYR
281
n
281
TYR
281
B
ALA
282
n
282
ALA
282
B
LYS
283
n
283
LYS
283
B
ARG
284
n
284
ARG
284
B
VAL
285
n
285
VAL
285
B
VAL
286
n
286
VAL
286
B
ASP
287
n
287
ASP
287
B
ASN
288
n
288
ASN
288
B
ALA
289
n
289
ALA
289
B
LYS
290
n
290
LYS
290
B
ARG
291
n
291
ARG
291
B
LEU
292
n
292
LEU
292
B
ALA
293
n
293
ALA
293
B
SER
294
n
294
SER
294
B
ALA
295
n
295
ALA
295
B
LEU
296
n
296
LEU
296
B
GLN
297
n
297
GLN
297
B
ASN
298
n
298
ASN
298
B
GLU
299
n
299
GLU
299
B
GLY
300
n
300
GLY
300
B
PHE
301
n
301
PHE
301
B
THR
302
n
302
THR
302
B
LEU
303
n
303
LEU
303
B
VAL
304
n
304
VAL
304
B
SER
305
n
305
SER
305
B
GLY
306
n
306
GLY
306
B
GLY
307
n
307
GLY
307
B
THR
308
n
308
THR
308
B
ASP
309
n
309
ASP
309
B
ASN
310
n
310
ASN
310
B
HIS
311
n
311
HIS
311
B
LEU
312
n
312
LEU
312
B
LEU
313
n
313
LEU
313
B
LEU
314
n
314
LEU
314
B
VAL
315
n
315
VAL
315
B
ASP
316
n
316
ASP
316
B
LEU
317
n
317
LEU
317
B
ARG
318
n
318
ARG
318
B
PRO
319
n
319
PRO
319
B
GLN
320
n
320
GLN
320
B
GLN
321
n
321
GLN
321
B
LEU
322
n
322
LEU
322
B
THR
323
n
323
THR
323
B
GLY
324
n
324
GLY
324
B
LYS
325
n
325
LYS
325
B
THR
326
n
326
THR
326
B
ALA
327
n
327
ALA
327
B
GLU
328
n
328
GLU
328
B
LYS
329
n
329
LYS
329
B
VAL
330
n
330
VAL
330
B
LEU
331
n
331
LEU
331
B
ASP
332
n
332
ASP
332
B
GLU
333
n
333
GLU
333
B
VAL
334
n
334
VAL
334
B
GLY
335
n
335
GLY
335
B
ILE
336
n
336
ILE
336
B
THR
337
n
337
THR
337
B
VAL
338
n
338
VAL
338
B
ASN
339
n
339
ASN
339
B
LYS
340
n
340
LYS
340
B
ASN
341
n
341
ASN
341
B
THR
342
n
342
THR
342
B
ILE
343
n
343
ILE
343
B
PRO
344
n
344
PRO
344
B
TYR
345
n
345
TYR
345
B
ASP
346
n
346
ASP
346
B
PRO
347
n
347
PRO
347
B
GLU
348
n
348
GLU
348
B
SER
349
n
349
SER
349
B
PRO
350
n
350
PRO
350
B
PHE
351
n
351
PHE
351
B
VAL
352
n
352
VAL
352
B
THR
353
n
353
THR
353
B
SER
354
n
354
SER
354
B
GLY
355
n
355
GLY
355
B
ILE
356
n
356
ILE
356
B
ARG
357
n
357
ARG
357
B
ILE
358
n
358
ILE
358
B
GLY
359
n
359
GLY
359
B
THR
360
n
360
THR
360
B
ALA
361
n
361
ALA
361
B
ALA
362
n
362
ALA
362
B
VAL
363
n
363
VAL
363
B
THR
364
n
364
THR
364
B
THR
365
n
365
THR
365
B
ARG
366
n
366
ARG
366
B
GLY
367
n
367
GLY
367
B
PHE
368
n
368
PHE
368
B
GLY
369
n
369
GLY
369
B
LEU
370
n
370
LEU
370
B
GLU
371
n
371
GLU
371
B
GLU
372
n
372
GLU
372
B
MET
373
n
373
MET
373
B
ASP
374
n
374
ASP
374
B
GLU
375
n
375
GLU
375
B
ILE
376
n
376
ILE
376
B
ALA
377
n
377
ALA
377
B
ALA
378
n
378
ALA
378
B
ILE
379
n
379
ILE
379
B
ILE
380
n
380
ILE
380
B
GLY
381
n
381
GLY
381
B
LEU
382
n
382
LEU
382
B
VAL
383
n
383
VAL
383
B
LEU
384
n
384
LEU
384
B
LYS
385
n
385
LYS
385
B
ASN
386
n
386
ASN
386
B
VAL
387
n
387
VAL
387
B
GLY
388
n
388
GLY
388
B
SER
389
n
389
SER
389
B
GLU
390
n
390
GLU
390
B
GLN
391
n
391
GLN
391
B
ALA
392
n
392
ALA
392
B
LEU
393
n
393
LEU
393
B
GLU
394
n
394
GLU
394
B
GLU
395
n
395
GLU
395
B
ALA
396
n
396
ALA
396
B
ARG
397
n
397
ARG
397
B
GLN
398
n
398
GLN
398
B
ARG
399
n
399
ARG
399
B
VAL
400
n
400
VAL
400
B
ALA
401
n
401
ALA
401
B
ALA
402
n
402
ALA
402
B
LEU
403
n
403
LEU
403
B
THR
404
n
404
THR
404
B
ASP
405
n
405
ASP
405
B
n
406
406
B
n
407
407
B
n
408
408
B
n
409
409
B
n
410
410
B
n
411
411
B
n
412
412
B
n
413
413
B
n
414
414
B
n
415
415
B
n
416
416
B
n
417
417
B
n
418
418
B
n
419
419
B
author_and_software_defined_assembly
PISA
2
dimeric
11330
-36
25340
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
N
ILE
26
A
N
ILE
26
A
O
THR
337
A
O
THR
337
A
N
TYR
55
A
N
TYR
55
A
O
ARG
58
A
O
ARG
58
A
N
ASN
88
A
N
ASN
88
A
O
ILE
236
A
O
ILE
236
A
O
LEU
237
A
O
LEU
237
A
N
VAL
220
A
N
VAL
220
A
O
PHE
219
A
O
PHE
219
A
N
VAL
196
A
N
VAL
196
A
O
MET
195
A
O
MET
195
A
N
ILE
167
A
N
ILE
167
A
O
VAL
168
A
O
VAL
168
A
N
LEU
113
A
N
LEU
113
A
N
VAL
112
A
N
VAL
112
A
O
ASN
137
A
O
ASN
137
A
N
THR
302
A
N
THR
302
A
O
ASP
316
A
O
ASP
316
A
N
LEU
313
A
N
LEU
313
A
O
ILE
358
A
O
ILE
358
A
O
ARG
357
A
O
ARG
357
A
N
ASN
339
A
N
ASN
339
B
N
ILE
26
B
N
ILE
26
B
O
THR
337
B
O
THR
337
B
N
TYR
55
B
N
TYR
55
B
O
ARG
58
B
O
ARG
58
B
N
ASN
88
B
N
ASN
88
B
O
ILE
236
B
O
ILE
236
B
O
LEU
237
B
O
LEU
237
B
N
VAL
220
B
N
VAL
220
B
O
THR
221
B
O
THR
221
B
N
VAL
196
B
N
VAL
196
B
O
TYR
193
B
O
TYR
193
B
N
ILE
167
B
N
ILE
167
B
O
VAL
168
B
O
VAL
168
B
N
LEU
113
B
N
LEU
113
B
N
VAL
112
B
N
VAL
112
B
O
ASN
137
B
O
ASN
137
B
N
THR
302
B
N
THR
302
B
O
ASP
316
B
O
ASP
316
B
N
LEU
313
B
N
LEU
313
B
O
ILE
358
B
O
ILE
358
B
O
ARG
357
B
O
ARG
357
B
N
ASN
339
B
N
ASN
339
1
A
CB
FON
505
E
CB
FON
1
1
N
1
A
CG
FON
505
E
CG
FON
1
1
N
1
A
CD
FON
505
E
CD
FON
1
1
N
1
A
OE1
FON
505
E
OE1
FON
1
1
N
1
A
OE2
FON
505
E
OE2
FON
1
1
N
1
A
PRO
406
A
PRO
406
1
Y
1
A
THR
407
A
THR
407
1
Y
1
A
SER
408
A
SER
408
1
Y
1
A
ARG
409
A
ARG
409
1
Y
1
A
SER
410
A
SER
410
1
Y
1
A
ALA
411
A
ALA
411
1
Y
1
A
ALA
412
A
ALA
412
1
Y
1
A
GLY
413
A
GLY
413
1
Y
1
A
THR
414
A
THR
414
1
Y
1
A
MET
415
A
MET
415
1
Y
1
A
GLU
416
A
GLU
416
1
Y
1
A
PHE
417
A
PHE
417
1
Y
1
A
GLU
418
A
GLU
418
1
Y
1
A
ALA
419
A
ALA
419
1
Y
1
B
PRO
406
B
PRO
406
1
Y
1
B
THR
407
B
THR
407
1
Y
1
B
SER
408
B
SER
408
1
Y
1
B
ARG
409
B
ARG
409
1
Y
1
B
SER
410
B
SER
410
1
Y
1
B
ALA
411
B
ALA
411
1
Y
1
B
ALA
412
B
ALA
412
1
Y
1
B
GLY
413
B
GLY
413
1
Y
1
B
THR
414
B
THR
414
1
Y
1
B
MET
415
B
MET
415
1
Y
1
B
GLU
416
B
GLU
416
1
Y
1
B
PHE
417
B
PHE
417
1
Y
1
B
GLU
418
B
GLU
418
1
Y
1
B
ALA
419
B
ALA
419
1
Y
1
A
C6
FON
505
WRONG HAND
1
B
C6
FON
506
WRONG HAND
1
B
B
OD2
OG
ASP
SER
346
354
2.07
1
A
PHE
251
20.82
1
B
PHE
251
22.09
1
A
A
PHE
PRO
251
252
49.65
1
B
B
PHE
PRO
251
252
48.32
1
5.85
0.90
118.30
124.15
A
A
A
CB
CG
OD1
ASP
ASP
ASP
197
197
197
N
1
-14.49
2.10
120.10
105.61
A
A
A
CA
C
O
PHE
PHE
PHE
251
251
251
N
1
16.16
2.30
115.30
131.46
A
A
A
CA
CB
CG
LEU
LEU
LEU
313
313
313
N
1
-5.12
0.50
120.30
115.18
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
19
19
19
N
1
3.26
0.50
120.30
123.56
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
19
19
19
N
1
8.59
1.40
123.60
132.19
B
B
B
CD
NE
CZ
ARG
ARG
ARG
58
58
58
N
1
18.49
1.40
123.60
142.09
B
B
B
CD
NE
CZ
ARG
ARG
ARG
156
156
156
N
1
3.06
0.50
120.30
123.36
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
156
156
156
N
1
27.22
2.60
111.60
138.82
B
B
B
CB
CG
CD
GLN
GLN
GLN
239
239
239
N
1
-14.00
2.10
120.10
106.10
B
B
B
CA
C
O
PHE
PHE
PHE
251
251
251
N
1
-3.37
0.50
120.30
116.93
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
357
357
357
N
1
A
LYS
2
-108.22
-63.81
1
A
ASN
33
-172.10
-173.51
1
A
ALA
170
118.27
170.76
1
A
ALA
173
-145.52
56.00
1
A
ALA
199
-27.71
-67.59
1
A
LYS
226
-87.16
-123.29
1
A
SER
305
85.10
-2.20
1
A
ASN
310
-136.60
-151.64
1
A
PRO
319
-61.63
2.12
1
A
GLN
321
25.26
42.88
1
A
VAL
338
-125.86
-166.27
1
A
PRO
350
-78.75
39.38
1
A
VAL
352
-120.99
-55.25
1
A
THR
353
53.45
163.06
1
A
ASN
386
-140.33
56.87
1
B
ALA
52
-142.28
45.26
1
B
ARG
58
-143.40
49.74
1
B
HIS
108
-32.41
124.92
1
B
ARG
163
39.09
60.27
1
B
ALA
170
123.22
176.77
1
B
ALA
173
-144.13
45.82
1
B
LYS
226
-94.65
-116.34
1
B
GLN
241
-41.62
-16.88
1
B
SER
305
77.44
-2.64
1
B
ASN
310
-124.42
-136.38
1
B
VAL
338
-126.66
-166.36
1
B
PRO
350
-55.64
-3.91
1
B
VAL
352
-109.99
-63.52
1
B
THR
353
62.31
167.79
1
B
ASN
386
-144.80
59.00
0.2360000
0.2080000
2.70
10.0
999
19003
19003
Random
1
0.0
MOLECULAR REPLACEMENT
1KKJ
Engh & Huber
2.70
10.0
57
6392
103
0
6232
0.009
0.023
0.059
2.70
15.0
1KL2
19280
19264
-4
-3
0.0530000
1
14.4
2.77
95.3
0.1690000
2.70
2.80
1940
1
2.62
97.2
phasing
AMoRE
refinement
REFMAC
data reduction
DENZO
data scaling
SCALEPACK
Crystal Structure of Serine Hydroxymethyltransferase Complexed with Glycine and 5-formyl tetrahydrofolate
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
The biological assembly is a dimer in the asymmetric unit
A
LYS
2
A
LYS
2
HELX_P
A
ASP
8
A
ASP
8
1
1
7
A
ASP
8
A
ASP
8
HELX_P
A
LYS
25
A
LYS
25
1
2
18
A
SER
36
A
SER
36
HELX_P
A
GLY
44
A
GLY
44
1
3
9
A
SER
45
A
SER
45
HELX_P
A
LYS
50
A
LYS
50
5
4
6
A
CYS
64
A
CYS
64
HELX_P
A
GLY
83
A
GLY
83
1
5
20
A
SER
93
A
SER
93
HELX_P
A
LEU
106
A
LEU
106
1
6
14
A
HIS
122
A
HIS
122
HELX_P
A
GLY
126
A
GLY
126
5
7
5
A
ASN
130
A
ASN
130
HELX_P
A
TYR
136
A
TYR
136
1
8
7
A
ASP
151
A
ASP
151
HELX_P
A
ARG
163
A
ARG
163
1
9
13
A
ASP
179
A
ASP
179
HELX_P
A
GLY
191
A
GLY
191
1
10
13
A
ILE
201
A
ILE
201
HELX_P
A
ALA
207
A
ALA
207
1
11
7
A
PHE
242
A
PHE
242
HELX_P
A
PHE
251
A
PHE
251
1
12
10
A
LEU
259
A
LEU
259
HELX_P
A
GLN
275
A
GLN
275
1
13
17
A
GLN
275
A
GLN
275
HELX_P
A
GLU
299
A
GLU
299
1
14
25
A
SER
305
A
SER
305
HELX_P
A
GLY
307
A
GLY
307
5
15
3
A
ARG
318
A
ARG
318
HELX_P
A
GLN
321
A
GLN
321
5
16
4
A
THR
323
A
THR
323
HELX_P
A
GLY
335
A
GLY
335
1
17
13
A
THR
360
A
THR
360
HELX_P
A
ARG
366
A
ARG
366
1
18
7
A
GLY
369
A
GLY
369
HELX_P
A
LYS
385
A
LYS
385
1
19
17
A
SER
389
A
SER
389
HELX_P
A
ASP
405
A
ASP
405
1
20
17
B
TYR
3
B
TYR
3
HELX_P
B
ASP
8
B
ASP
8
1
21
6
B
ASP
8
B
ASP
8
HELX_P
B
LYS
25
B
LYS
25
1
22
18
B
SER
36
B
SER
36
HELX_P
B
GLY
44
B
GLY
44
1
23
9
B
SER
45
B
SER
45
HELX_P
B
LYS
50
B
LYS
50
5
24
6
B
CYS
64
B
CYS
64
HELX_P
B
GLY
83
B
GLY
83
1
25
20
B
SER
93
B
SER
93
HELX_P
B
LEU
106
B
LEU
106
1
26
14
B
HIS
122
B
HIS
122
HELX_P
B
GLY
126
B
GLY
126
5
27
5
B
ASN
130
B
ASN
130
HELX_P
B
TYR
136
B
TYR
136
1
28
7
B
ASP
151
B
ASP
151
HELX_P
B
ARG
163
B
ARG
163
1
29
13
B
ASP
179
B
ASP
179
HELX_P
B
VAL
190
B
VAL
190
1
30
12
B
ILE
201
B
ILE
201
HELX_P
B
ALA
207
B
ALA
207
1
31
7
B
GLN
239
B
GLN
239
HELX_P
B
PHE
251
B
PHE
251
1
32
13
B
LEU
259
B
LEU
259
HELX_P
B
GLN
275
B
GLN
275
1
33
17
B
ASP
276
B
ASP
276
HELX_P
B
GLU
299
B
GLU
299
1
34
24
B
SER
305
B
SER
305
HELX_P
B
GLY
307
B
GLY
307
5
35
3
B
THR
323
B
THR
323
HELX_P
B
GLY
335
B
GLY
335
1
36
13
B
THR
360
B
THR
360
HELX_P
B
ARG
366
B
ARG
366
1
37
7
B
GLY
369
B
GLY
369
HELX_P
B
LYS
385
B
LYS
385
1
38
17
B
SER
389
B
SER
389
HELX_P
B
ASP
405
B
ASP
405
1
39
17
covale
1.345
both
A
PLP
501
C
C4A
PLP
1_555
A
GLY
601
D
N
GLY
1_555
covale
1.362
both
B
PLP
502
F
C4A
PLP
1_555
B
GLY
602
G
N
GLY
1_555
TRANSFERASE
SHMT PLP tetrahydrofolate, TRANSFERASE
Q7SIB6_BACST
UNP
1
Q7SIB6
1
419
1KL2
1
419
Q7SIB6
A
1
1
419
1
419
1KL2
1
419
Q7SIB6
B
1
1
419
2
2
7
4
2
2
7
4
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
ILE
26
A
ILE
26
A
GLU
27
A
GLU
27
A
ILE
336
A
ILE
336
A
THR
337
A
THR
337
A
GLY
54
A
GLY
54
A
TYR
55
A
TYR
55
A
ARG
58
A
ARG
58
A
ARG
59
A
ARG
59
A
HIS
86
A
HIS
86
A
ASN
88
A
ASN
88
A
GLY
234
A
GLY
234
A
CYS
238
A
CYS
238
A
PHE
219
A
PHE
219
A
THR
223
A
THR
223
A
TYR
193
A
TYR
193
A
ASP
197
A
ASP
197
A
LEU
166
A
LEU
166
A
ALA
169
A
ALA
169
A
THR
111
A
THR
111
A
MET
115
A
MET
115
A
ASN
137
A
ASN
137
A
TYR
141
A
TYR
141
A
THR
302
A
THR
302
A
LEU
303
A
LEU
303
A
LEU
312
A
LEU
312
A
ASP
316
A
ASP
316
A
GLY
355
A
GLY
355
A
GLY
359
A
GLY
359
A
ASN
339
A
ASN
339
A
LYS
340
A
LYS
340
B
ILE
26
B
ILE
26
B
GLU
27
B
GLU
27
B
ILE
336
B
ILE
336
B
THR
337
B
THR
337
B
GLY
54
B
GLY
54
B
TYR
55
B
TYR
55
B
ARG
58
B
ARG
58
B
ARG
59
B
ARG
59
B
HIS
86
B
HIS
86
B
ASN
88
B
ASN
88
B
GLY
234
B
GLY
234
B
CYS
238
B
CYS
238
B
PHE
219
B
PHE
219
B
THR
223
B
THR
223
B
TYR
193
B
TYR
193
B
ASP
197
B
ASP
197
B
LEU
166
B
LEU
166
B
ALA
169
B
ALA
169
B
THR
111
B
THR
111
B
MET
115
B
MET
115
B
ASN
137
B
ASN
137
B
TYR
141
B
TYR
141
B
THR
302
B
THR
302
B
LEU
303
B
LEU
303
B
LEU
312
B
LEU
312
B
ASP
316
B
ASP
316
B
GLY
355
B
GLY
355
B
GLY
359
B
GLY
359
B
ASN
339
B
ASN
339
B
LYS
340
B
LYS
340
BINDING SITE FOR RESIDUE PLP A 501
A
PLP
501
Software
14
BINDING SITE FOR RESIDUE GLY A 601
A
GLY
601
Software
10
BINDING SITE FOR RESIDUE PLP B 502
B
PLP
502
Software
17
BINDING SITE FOR RESIDUE GLY B 602
B
GLY
602
Software
7
BINDING SITE FOR RESIDUE FON A 505
A
FON
505
Software
12
BINDING SITE FOR RESIDUE FON B 506
B
FON
506
Software
13
A
SER
93
A
SER
93
14
1_555
A
GLY
94
A
GLY
94
14
1_555
A
ALA
95
A
ALA
95
14
1_555
A
HIS
122
A
HIS
122
14
1_555
A
SER
172
A
SER
172
14
1_555
A
ASP
197
A
ASP
197
14
1_555
A
ALA
199
A
ALA
199
14
1_555
A
HIS
200
A
HIS
200
14
1_555
A
THR
223
A
THR
223
14
1_555
A
HIS
225
A
HIS
225
14
1_555
A
LYS
226
A
LYS
226
14
1_555
A
GLY
601
D
GLY
14
1_555
B
TYR
51
B
TYR
51
14
1_555
B
GLY
257
B
GLY
257
14
1_555
A
SER
31
A
SER
31
10
1_555
A
HIS
122
A
HIS
122
10
1_555
A
SER
172
A
SER
172
10
1_555
A
HIS
200
A
HIS
200
10
1_555
A
LYS
226
A
LYS
226
10
1_555
A
ARG
357
A
ARG
357
10
1_555
A
PLP
501
C
PLP
10
1_555
A
FON
505
E
FON
10
1_555
B
TYR
51
B
TYR
51
10
1_555
B
TYR
61
B
TYR
61
10
1_555
A
TYR
51
A
TYR
51
17
1_555
A
GLY
256
A
GLY
256
17
1_555
A
GLY
257
A
GLY
257
17
1_555
B
SER
93
B
SER
93
17
1_555
B
GLY
94
B
GLY
94
17
1_555
B
ALA
95
B
ALA
95
17
1_555
B
HIS
122
B
HIS
122
17
1_555
B
ALA
171
B
ALA
171
17
1_555
B
SER
172
B
SER
172
17
1_555
B
ASP
197
B
ASP
197
17
1_555
B
ALA
199
B
ALA
199
17
1_555
B
HIS
200
B
HIS
200
17
1_555
B
THR
223
B
THR
223
17
1_555
B
HIS
225
B
HIS
225
17
1_555
B
LYS
226
B
LYS
226
17
1_555
B
GLY
602
G
GLY
17
1_555
B
HOH
633
J
HOH
17
1_555
A
TYR
51
A
TYR
51
7
1_555
A
TYR
61
A
TYR
61
7
1_555
B
SER
31
B
SER
31
7
1_555
B
HIS
200
B
HIS
200
7
1_555
B
LYS
226
B
LYS
226
7
1_555
B
ARG
357
B
ARG
357
7
1_555
B
PLP
502
F
PLP
7
1_555
A
LEU
117
A
LEU
117
12
1_555
A
GLY
121
A
GLY
121
12
1_555
A
HIS
122
A
HIS
122
12
1_555
A
LEU
123
A
LEU
123
12
1_555
A
SER
172
A
SER
172
12
1_555
A
ASN
341
A
ASN
341
12
1_555
A
GLY
601
D
GLY
12
1_555
B
GLU
53
B
GLU
53
12
1_555
B
ARG
58
B
ARG
58
12
1_555
B
TYR
60
B
TYR
60
12
1_555
B
TYR
61
B
TYR
61
12
1_555
B
PHE
251
B
PHE
251
12
1_555
A
GLU
53
A
GLU
53
13
1_555
A
TYR
60
A
TYR
60
13
1_555
A
TYR
61
A
TYR
61
13
1_555
A
PHE
251
A
PHE
251
13
1_555
B
LEU
117
B
LEU
117
13
1_555
B
GLY
120
B
GLY
120
13
1_555
B
GLY
121
B
GLY
121
13
1_555
B
HIS
122
B
HIS
122
13
1_555
B
LEU
123
B
LEU
123
13
1_555
B
SER
172
B
SER
172
13
1_555
B
ASN
341
B
ASN
341
13
1_555
B
SER
349
B
SER
349
13
1_555
B
PHE
351
B
PHE
351
13
1_555
4
P 1 21 1