.006870
.000000
.002060
.000000
.019787
.000000
.000000
.000000
.016357
.00000
.00000
.00000
Zubieta, C.
Dixon, R.A.
Noel, J.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
106.69
90.00
145.556
50.538
63.824
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
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
C16 H12 O4
268.264
4'-HYDROXY-7-METHOXYISOFLAVONE
ISOFORMONONETIN
non-polymer
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
C14 H20 N6 O5 S
384.411
n
S-ADENOSYL-L-HOMOCYSTEINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
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
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
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
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
Y
158
N
C
Y
159
N
C
Y
160
N
C
Y
161
N
C
Y
162
N
C
Y
163
N
C
Y
164
N
C
Y
165
N
C
Y
166
N
C
Y
167
N
O
Y
168
N
C
Y
169
N
C
Y
170
N
C
Y
171
N
C
Y
172
N
C
Y
173
N
C
N
174
N
O
N
175
N
O
N
176
N
O
N
177
N
C
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
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
O
N
191
N
H
N
192
N
H
N
193
N
N
N
194
S
C
N
195
N
C
N
196
N
O
N
197
S
C
N
198
N
C
N
199
N
C
N
200
N
C
N
201
N
O
N
202
N
H
N
203
N
H
N
204
N
H
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
N
N
216
S
C
N
217
N
C
N
218
N
O
N
219
N
C
N
220
N
C
N
221
N
C
N
222
N
C
N
223
N
O
N
224
N
H
N
225
N
H
N
226
N
H
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
N
N
238
S
C
N
239
N
C
N
240
N
O
N
241
N
C
N
242
N
C
N
243
N
C
N
244
N
C
N
245
N
N
N
246
N
O
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
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
S
N
269
N
C
N
270
N
O
N
271
N
H
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
N
N
283
S
C
N
284
N
C
N
285
N
O
N
286
N
C
Y
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
Y
292
N
C
N
293
N
O
N
294
N
H
N
295
N
H
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
N
N
306
S
C
N
307
N
C
N
308
N
O
N
309
N
C
N
310
N
C
N
311
N
C
N
312
N
O
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
N
N
323
S
C
N
324
N
C
N
325
N
C
N
326
N
S
N
327
N
C
N
328
N
O
N
329
N
O
N
330
N
C
N
331
S
C
N
332
N
O
N
333
S
C
N
334
N
O
N
335
R
C
N
336
N
O
N
337
R
C
Y
338
N
N
Y
339
N
C
Y
340
N
N
Y
341
N
C
Y
342
N
C
N
343
N
N
Y
344
N
N
Y
345
N
C
Y
346
N
N
Y
347
N
C
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
N
N
369
S
C
N
370
N
C
N
371
N
O
N
372
N
C
N
373
N
O
N
374
N
O
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
N
N
383
S
C
N
384
N
C
N
385
N
O
N
386
R
C
N
387
N
O
N
388
N
C
N
389
N
O
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
N
N
400
S
C
N
401
N
C
N
402
N
O
N
403
N
C
Y
404
N
C
Y
405
N
C
Y
406
N
C
Y
407
N
N
Y
408
N
C
Y
409
N
C
Y
410
N
C
Y
411
N
C
Y
412
N
C
N
413
N
O
N
414
N
H
N
415
N
H
N
416
N
H
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
N
N
427
S
C
N
428
N
C
N
429
N
O
N
430
N
C
Y
431
N
C
Y
432
N
C
Y
433
N
C
Y
434
N
C
Y
435
N
C
Y
436
N
C
N
437
N
O
N
438
N
O
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
447
N
H
N
448
N
H
N
449
N
H
N
450
N
N
N
451
S
C
N
452
N
C
N
453
N
O
N
454
N
C
N
455
N
C
N
456
N
C
N
457
N
O
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
N
H
N
468
N
H
N
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
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
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
doub
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
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
Y
150
N
doub
Y
151
N
sing
N
152
N
sing
Y
153
N
sing
N
154
N
sing
Y
155
N
doub
N
156
N
sing
Y
157
N
sing
Y
158
N
sing
Y
159
N
doub
Y
160
N
sing
N
161
N
sing
Y
162
N
sing
N
163
N
doub
Y
164
N
doub
Y
165
N
sing
Y
166
N
sing
N
167
N
sing
Y
168
N
doub
Y
169
N
sing
Y
170
N
sing
N
171
N
sing
Y
172
N
doub
N
173
N
sing
Y
174
N
sing
N
175
N
sing
Y
176
N
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
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
doub
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
sing
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
doub
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
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
doub
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
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
doub
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
doub
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
Y
282
N
doub
Y
283
N
sing
Y
284
N
sing
N
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
288
N
doub
N
289
N
sing
Y
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
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
Y
344
N
sing
Y
345
N
sing
Y
346
N
doub
N
347
N
sing
Y
348
N
sing
Y
349
N
sing
Y
350
N
doub
N
351
N
sing
Y
352
N
doub
N
353
N
sing
N
354
N
sing
Y
355
N
sing
Y
356
N
doub
N
357
N
sing
Y
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
doub
N
366
N
sing
N
367
N
sing
N
368
N
sing
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
doub
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
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
doub
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
Y
399
N
doub
Y
400
N
sing
Y
401
N
sing
N
402
N
sing
Y
403
N
doub
Y
404
N
sing
Y
405
N
sing
N
406
N
sing
Y
407
N
sing
Y
408
N
doub
N
409
N
sing
Y
410
N
doub
N
411
N
sing
Y
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
doub
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
Y
427
N
doub
Y
428
N
sing
Y
429
N
sing
N
430
N
sing
Y
431
N
doub
N
432
N
sing
Y
433
N
doub
N
434
N
sing
Y
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
sing
N
445
N
sing
N
446
N
doub
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
sing
N
457
N
sing
US
Nat.Struct.Biol.
NSBIEW
2024
1072-8368
8
271
279
10.1038/85029
11224575
Structures of two natural product methyltransferases reveal the basis for substrate specificity in plant O-methyltransferases.
2001
10.2210/pdb1fp2/pdb
pdb_00001fp2
1.000000
.000000
.000000
.000000
1.000000
.000000
.000000
.000000
1.000000
.00000
.00000
.00000
105
1
CCD
2000-02-16
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
0.920
1.0
BL9-2
SSRL
0.920
SYNCHROTRON
SSRL BEAMLINE BL9-2
39648.715
ISOFLAVONE O-METHYLTRANSFERASE
1
man
polymer
384.411
S-ADENOSYL-L-HOMOCYSTEINE
1
syn
non-polymer
268.264
4'-HYDROXY-7-METHOXYISOFLAVONE
1
syn
non-polymer
18.015
water
247
nat
water
no
no
MASSINGRKPSEIFKAQALLYKHIYAFIDSMSLKWAVEMNIPNIIQNHGKPISLSNLVSILQVPSSKIGNVRRLMRYLAH
NGFFEIITKEEESYALTVASELLVRGSDLCLAPMVECVLDPTLSGSYHELKKWIYEEDLTLFGVTLGSGFWDFLDKNPEY
NTSFNDAMASDSKLINLALRDCDFVFDGLESIVDVGGGTGTTAKIICETFPKLKCIVFDRPQVVENLSGSNNLTYVGGDM
FTSIPNADAVLLKYILHNWTDKDCLRILKKCKEAVTNDGKRGKVTIIDMVIDKKKDENQVTQIKLLMDVNMACLNGKERN
EEEWKKLFIEAGFQHYKISPLTGFLSLIEIYP
MASSINGRKPSEIFKAQALLYKHIYAFIDSMSLKWAVEMNIPNIIQNHGKPISLSNLVSILQVPSSKIGNVRRLMRYLAH
NGFFEIITKEEESYALTVASELLVRGSDLCLAPMVECVLDPTLSGSYHELKKWIYEEDLTLFGVTLGSGFWDFLDKNPEY
NTSFNDAMASDSKLINLALRDCDFVFDGLESIVDVGGGTGTTAKIICETFPKLKCIVFDRPQVVENLSGSNNLTYVGGDM
FTSIPNADAVLLKYILHNWTDKDCLRILKKCKEAVTNDGKRGKVTIIDMVIDKKKDENQVTQIKLLMDVNMACLNGKERN
EEEWKKLFIEAGFQHYKISPLTGFLSLIEIYP
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Medicago
Escherichia
sample
3879
Medicago sativa
562
Escherichia coli
PET15B
PLASMID
1
2.83
56.61
VAPOR DIFFUSION, HANGING DROP
8.25
PEG 8000, lithium sulfate, pH 8.25, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Data collection
Database references
Derived calculations
1
0
2001-03-07
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
CRYSTAL STRUCTURE ANALYSIS OF CHALCONE O-METHYLTRANSFERASE
Crystal Structure Analysis of Selenomethionine substituted ISOFLAVONE O-METHYLTRANSFERASE
Crystal Structure Analysis of Selenomethionine Substituted Chalcone O-methyltransferase
RCSB
Y
RCSB
2000-08-29
REL
REL
SAH
S-ADENOSYL-L-HOMOCYSTEINE
HMO
4'-HYDROXY-7-METHOXYISOFLAVONE
HOH
water
SAH
1699
2
SAH
SAH
1699
A
ISO
2000
3
HMO
HMO
2000
A
TIP
1
4
HOH
HOH
2001
A
TIP
2
4
HOH
HOH
2002
A
TIP
3
4
HOH
HOH
2003
A
TIP
4
4
HOH
HOH
2004
A
TIP
5
4
HOH
HOH
2005
A
TIP
6
4
HOH
HOH
2006
A
TIP
7
4
HOH
HOH
2007
A
TIP
8
4
HOH
HOH
2008
A
TIP
9
4
HOH
HOH
2009
A
TIP
10
4
HOH
HOH
2010
A
TIP
11
4
HOH
HOH
2011
A
TIP
12
4
HOH
HOH
2012
A
TIP
13
4
HOH
HOH
2013
A
TIP
14
4
HOH
HOH
2014
A
TIP
15
4
HOH
HOH
2015
A
TIP
16
4
HOH
HOH
2016
A
TIP
17
4
HOH
HOH
2017
A
TIP
18
4
HOH
HOH
2018
A
TIP
19
4
HOH
HOH
2019
A
TIP
20
4
HOH
HOH
2020
A
TIP
21
4
HOH
HOH
2021
A
TIP
22
4
HOH
HOH
2022
A
TIP
23
4
HOH
HOH
2023
A
TIP
24
4
HOH
HOH
2024
A
TIP
25
4
HOH
HOH
2025
A
TIP
26
4
HOH
HOH
2026
A
TIP
27
4
HOH
HOH
2027
A
TIP
28
4
HOH
HOH
2028
A
TIP
29
4
HOH
HOH
2029
A
TIP
30
4
HOH
HOH
2030
A
TIP
31
4
HOH
HOH
2031
A
TIP
32
4
HOH
HOH
2032
A
TIP
33
4
HOH
HOH
2033
A
TIP
36
4
HOH
HOH
2034
A
TIP
37
4
HOH
HOH
2035
A
TIP
38
4
HOH
HOH
2036
A
TIP
39
4
HOH
HOH
2037
A
TIP
40
4
HOH
HOH
2038
A
TIP
42
4
HOH
HOH
2039
A
TIP
43
4
HOH
HOH
2040
A
TIP
44
4
HOH
HOH
2041
A
TIP
45
4
HOH
HOH
2042
A
TIP
46
4
HOH
HOH
2043
A
TIP
47
4
HOH
HOH
2044
A
TIP
48
4
HOH
HOH
2045
A
TIP
49
4
HOH
HOH
2046
A
TIP
50
4
HOH
HOH
2047
A
TIP
51
4
HOH
HOH
2048
A
TIP
52
4
HOH
HOH
2049
A
TIP
53
4
HOH
HOH
2050
A
TIP
54
4
HOH
HOH
2051
A
TIP
55
4
HOH
HOH
2052
A
TIP
56
4
HOH
HOH
2053
A
TIP
57
4
HOH
HOH
2054
A
TIP
58
4
HOH
HOH
2055
A
TIP
59
4
HOH
HOH
2056
A
TIP
60
4
HOH
HOH
2057
A
TIP
61
4
HOH
HOH
2058
A
TIP
63
4
HOH
HOH
2059
A
TIP
64
4
HOH
HOH
2060
A
TIP
65
4
HOH
HOH
2061
A
TIP
66
4
HOH
HOH
2062
A
TIP
68
4
HOH
HOH
2063
A
TIP
69
4
HOH
HOH
2064
A
TIP
70
4
HOH
HOH
2065
A
TIP
71
4
HOH
HOH
2066
A
TIP
72
4
HOH
HOH
2067
A
TIP
73
4
HOH
HOH
2068
A
TIP
74
4
HOH
HOH
2069
A
TIP
75
4
HOH
HOH
2070
A
TIP
76
4
HOH
HOH
2071
A
TIP
77
4
HOH
HOH
2072
A
TIP
78
4
HOH
HOH
2073
A
TIP
79
4
HOH
HOH
2074
A
TIP
80
4
HOH
HOH
2075
A
TIP
81
4
HOH
HOH
2076
A
TIP
82
4
HOH
HOH
2077
A
TIP
83
4
HOH
HOH
2078
A
TIP
84
4
HOH
HOH
2079
A
TIP
85
4
HOH
HOH
2080
A
TIP
86
4
HOH
HOH
2081
A
TIP
87
4
HOH
HOH
2082
A
TIP
88
4
HOH
HOH
2083
A
TIP
89
4
HOH
HOH
2084
A
TIP
90
4
HOH
HOH
2085
A
TIP
91
4
HOH
HOH
2086
A
TIP
92
4
HOH
HOH
2087
A
TIP
93
4
HOH
HOH
2088
A
TIP
94
4
HOH
HOH
2089
A
TIP
95
4
HOH
HOH
2090
A
TIP
96
4
HOH
HOH
2091
A
TIP
97
4
HOH
HOH
2092
A
TIP
98
4
HOH
HOH
2093
A
TIP
99
4
HOH
HOH
2094
A
TIP
100
4
HOH
HOH
2095
A
TIP
101
4
HOH
HOH
2096
A
TIP
102
4
HOH
HOH
2097
A
TIP
103
4
HOH
HOH
2098
A
TIP
104
4
HOH
HOH
2099
A
TIP
106
4
HOH
HOH
2100
A
TIP
107
4
HOH
HOH
2101
A
TIP
108
4
HOH
HOH
2102
A
TIP
109
4
HOH
HOH
2103
A
TIP
110
4
HOH
HOH
2104
A
TIP
111
4
HOH
HOH
2105
A
TIP
112
4
HOH
HOH
2106
A
TIP
113
4
HOH
HOH
2107
A
TIP
114
4
HOH
HOH
2108
A
TIP
115
4
HOH
HOH
2109
A
TIP
116
4
HOH
HOH
2110
A
TIP
118
4
HOH
HOH
2111
A
TIP
119
4
HOH
HOH
2112
A
TIP
120
4
HOH
HOH
2113
A
TIP
121
4
HOH
HOH
2114
A
TIP
124
4
HOH
HOH
2115
A
TIP
125
4
HOH
HOH
2116
A
TIP
126
4
HOH
HOH
2117
A
TIP
127
4
HOH
HOH
2118
A
TIP
128
4
HOH
HOH
2119
A
TIP
129
4
HOH
HOH
2120
A
TIP
130
4
HOH
HOH
2121
A
TIP
131
4
HOH
HOH
2122
A
TIP
132
4
HOH
HOH
2123
A
TIP
133
4
HOH
HOH
2124
A
TIP
134
4
HOH
HOH
2125
A
TIP
135
4
HOH
HOH
2126
A
TIP
136
4
HOH
HOH
2127
A
TIP
137
4
HOH
HOH
2128
A
TIP
138
4
HOH
HOH
2129
A
TIP
139
4
HOH
HOH
2130
A
TIP
140
4
HOH
HOH
2131
A
TIP
141
4
HOH
HOH
2132
A
TIP
142
4
HOH
HOH
2133
A
TIP
143
4
HOH
HOH
2134
A
TIP
144
4
HOH
HOH
2135
A
TIP
145
4
HOH
HOH
2136
A
TIP
146
4
HOH
HOH
2137
A
TIP
147
4
HOH
HOH
2138
A
TIP
148
4
HOH
HOH
2139
A
TIP
149
4
HOH
HOH
2140
A
TIP
150
4
HOH
HOH
2141
A
TIP
151
4
HOH
HOH
2142
A
TIP
152
4
HOH
HOH
2143
A
TIP
153
4
HOH
HOH
2144
A
TIP
154
4
HOH
HOH
2145
A
TIP
155
4
HOH
HOH
2146
A
TIP
156
4
HOH
HOH
2147
A
TIP
157
4
HOH
HOH
2148
A
TIP
158
4
HOH
HOH
2149
A
TIP
159
4
HOH
HOH
2150
A
TIP
160
4
HOH
HOH
2151
A
TIP
161
4
HOH
HOH
2152
A
TIP
162
4
HOH
HOH
2153
A
TIP
163
4
HOH
HOH
2154
A
TIP
164
4
HOH
HOH
2155
A
TIP
165
4
HOH
HOH
2156
A
TIP
166
4
HOH
HOH
2157
A
TIP
167
4
HOH
HOH
2158
A
TIP
168
4
HOH
HOH
2159
A
TIP
169
4
HOH
HOH
2160
A
TIP
170
4
HOH
HOH
2161
A
TIP
171
4
HOH
HOH
2162
A
TIP
173
4
HOH
HOH
2163
A
TIP
174
4
HOH
HOH
2164
A
TIP
175
4
HOH
HOH
2165
A
TIP
176
4
HOH
HOH
2166
A
TIP
177
4
HOH
HOH
2167
A
TIP
178
4
HOH
HOH
2168
A
TIP
180
4
HOH
HOH
2169
A
TIP
181
4
HOH
HOH
2170
A
TIP
182
4
HOH
HOH
2171
A
TIP
183
4
HOH
HOH
2172
A
TIP
184
4
HOH
HOH
2173
A
TIP
185
4
HOH
HOH
2174
A
TIP
186
4
HOH
HOH
2175
A
TIP
187
4
HOH
HOH
2176
A
TIP
188
4
HOH
HOH
2177
A
TIP
189
4
HOH
HOH
2178
A
TIP
190
4
HOH
HOH
2179
A
TIP
191
4
HOH
HOH
2180
A
TIP
192
4
HOH
HOH
2181
A
TIP
195
4
HOH
HOH
2182
A
TIP
196
4
HOH
HOH
2183
A
TIP
197
4
HOH
HOH
2184
A
TIP
200
4
HOH
HOH
2185
A
TIP
201
4
HOH
HOH
2186
A
TIP
202
4
HOH
HOH
2187
A
TIP
203
4
HOH
HOH
2188
A
TIP
204
4
HOH
HOH
2189
A
TIP
205
4
HOH
HOH
2190
A
TIP
207
4
HOH
HOH
2191
A
TIP
209
4
HOH
HOH
2192
A
TIP
210
4
HOH
HOH
2193
A
TIP
214
4
HOH
HOH
2194
A
WAT
1
4
HOH
HOH
2195
A
WAT
2
4
HOH
HOH
2196
A
WAT
3
4
HOH
HOH
2197
A
WAT
4
4
HOH
HOH
2198
A
WAT
5
4
HOH
HOH
2199
A
WAT
6
4
HOH
HOH
2200
A
WAT
7
4
HOH
HOH
2201
A
WAT
8
4
HOH
HOH
2202
A
WAT
9
4
HOH
HOH
2203
A
WAT
10
4
HOH
HOH
2204
A
WAT
11
4
HOH
HOH
2205
A
WAT
12
4
HOH
HOH
2206
A
WAT
13
4
HOH
HOH
2207
A
WAT
14
4
HOH
HOH
2208
A
WAT
15
4
HOH
HOH
2209
A
WAT
16
4
HOH
HOH
2210
A
WAT
17
4
HOH
HOH
2211
A
WAT
18
4
HOH
HOH
2212
A
WAT
19
4
HOH
HOH
2213
A
WAT
20
4
HOH
HOH
2214
A
WAT
21
4
HOH
HOH
2215
A
WAT
22
4
HOH
HOH
2216
A
WAT
23
4
HOH
HOH
2217
A
WAT
24
4
HOH
HOH
2218
A
WAT
25
4
HOH
HOH
2219
A
WAT
26
4
HOH
HOH
2220
A
WAT
27
4
HOH
HOH
2221
A
WAT
28
4
HOH
HOH
2222
A
WAT
29
4
HOH
HOH
2223
A
WAT
30
4
HOH
HOH
2224
A
WAT
32
4
HOH
HOH
2225
A
WAT
33
4
HOH
HOH
2226
A
WAT
34
4
HOH
HOH
2227
A
WAT
35
4
HOH
HOH
2228
A
WAT
37
4
HOH
HOH
2229
A
WAT
38
4
HOH
HOH
2230
A
WAT
39
4
HOH
HOH
2231
A
WAT
40
4
HOH
HOH
2232
A
WAT
42
4
HOH
HOH
2233
A
WAT
46
4
HOH
HOH
2234
A
WAT
49
4
HOH
HOH
2235
A
WAT
50
4
HOH
HOH
2236
A
WAT
52
4
HOH
HOH
2237
A
WAT
53
4
HOH
HOH
2238
A
WAT
54
4
HOH
HOH
2239
A
WAT
55
4
HOH
HOH
2240
A
WAT
66
4
HOH
HOH
2241
A
WAT
67
4
HOH
HOH
2242
A
WAT
68
4
HOH
HOH
2243
A
WAT
71
4
HOH
HOH
2244
A
WAT
74
4
HOH
HOH
2245
A
WAT
80
4
HOH
HOH
2246
A
WAT
94
4
HOH
HOH
2247
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
ARG
8
n
8
ARG
8
A
LYS
9
n
9
LYS
9
A
PRO
10
n
10
PRO
10
A
SER
11
n
11
SER
11
A
GLU
12
n
12
GLU
12
A
ILE
13
n
13
ILE
13
A
PHE
14
n
14
PHE
14
A
LYS
15
n
15
LYS
15
A
ALA
16
n
16
ALA
16
A
GLN
17
n
17
GLN
17
A
ALA
18
n
18
ALA
18
A
LEU
19
n
19
LEU
19
A
LEU
20
n
20
LEU
20
A
TYR
21
n
21
TYR
21
A
LYS
22
n
22
LYS
22
A
HIS
23
n
23
HIS
23
A
ILE
24
n
24
ILE
24
A
TYR
25
n
25
TYR
25
A
ALA
26
n
26
ALA
26
A
PHE
27
n
27
PHE
27
A
ILE
28
n
28
ILE
28
A
ASP
29
n
29
ASP
29
A
SER
30
n
30
SER
30
A
MET
31
n
31
MET
31
A
SER
32
n
32
SER
32
A
LEU
33
n
33
LEU
33
A
LYS
34
n
34
LYS
34
A
TRP
35
n
35
TRP
35
A
ALA
36
n
36
ALA
36
A
VAL
37
n
37
VAL
37
A
GLU
38
n
38
GLU
38
A
MET
39
n
39
MET
39
A
ASN
40
n
40
ASN
40
A
ILE
41
n
41
ILE
41
A
PRO
42
n
42
PRO
42
A
ASN
43
n
43
ASN
43
A
ILE
44
n
44
ILE
44
A
ILE
45
n
45
ILE
45
A
GLN
46
n
46
GLN
46
A
ASN
47
n
47
ASN
47
A
HIS
48
n
48
HIS
48
A
GLY
49
n
49
GLY
49
A
LYS
50
n
50
LYS
50
A
PRO
51
n
51
PRO
51
A
ILE
52
n
52
ILE
52
A
SER
53
n
53
SER
53
A
LEU
54
n
54
LEU
54
A
SER
55
n
55
SER
55
A
ASN
56
n
56
ASN
56
A
LEU
57
n
57
LEU
57
A
VAL
58
n
58
VAL
58
A
SER
59
n
59
SER
59
A
ILE
60
n
60
ILE
60
A
LEU
61
n
61
LEU
61
A
GLN
62
n
62
GLN
62
A
VAL
63
n
63
VAL
63
A
PRO
64
n
64
PRO
64
A
SER
65
n
65
SER
65
A
SER
66
n
66
SER
66
A
LYS
67
n
67
LYS
67
A
ILE
68
n
68
ILE
68
A
GLY
69
n
69
GLY
69
A
ASN
70
n
70
ASN
70
A
VAL
71
n
71
VAL
71
A
ARG
72
n
72
ARG
72
A
ARG
73
n
73
ARG
73
A
LEU
74
n
74
LEU
74
A
MET
75
n
75
MET
75
A
ARG
76
n
76
ARG
76
A
TYR
77
n
77
TYR
77
A
LEU
78
n
78
LEU
78
A
ALA
79
n
79
ALA
79
A
HIS
80
n
80
HIS
80
A
ASN
81
n
81
ASN
81
A
GLY
82
n
82
GLY
82
A
PHE
83
n
83
PHE
83
A
PHE
84
n
84
PHE
84
A
GLU
85
n
85
GLU
85
A
ILE
86
n
86
ILE
86
A
ILE
87
n
87
ILE
87
A
THR
88
n
88
THR
88
A
LYS
89
n
89
LYS
89
A
GLU
90
n
90
GLU
90
A
GLU
91
n
91
GLU
91
A
GLU
92
n
92
GLU
92
A
SER
93
n
93
SER
93
A
TYR
94
n
94
TYR
94
A
ALA
95
n
95
ALA
95
A
LEU
96
n
96
LEU
96
A
THR
97
n
97
THR
97
A
VAL
98
n
98
VAL
98
A
ALA
99
n
99
ALA
99
A
SER
100
n
100
SER
100
A
GLU
101
n
101
GLU
101
A
LEU
102
n
102
LEU
102
A
LEU
103
n
103
LEU
103
A
VAL
104
n
104
VAL
104
A
ARG
105
n
105
ARG
105
A
GLY
106
n
106
GLY
106
A
SER
107
n
107
SER
107
A
ASP
108
n
108
ASP
108
A
LEU
109
n
109
LEU
109
A
CYS
110
n
110
CYS
110
A
LEU
111
n
111
LEU
111
A
ALA
112
n
112
ALA
112
A
PRO
113
n
113
PRO
113
A
MET
114
n
114
MET
114
A
VAL
115
n
115
VAL
115
A
GLU
116
n
116
GLU
116
A
CYS
117
n
117
CYS
117
A
VAL
118
n
118
VAL
118
A
LEU
119
n
119
LEU
119
A
ASP
120
n
120
ASP
120
A
PRO
121
n
121
PRO
121
A
THR
122
n
122
THR
122
A
LEU
123
n
123
LEU
123
A
SER
124
n
124
SER
124
A
GLY
125
n
125
GLY
125
A
SER
126
n
126
SER
126
A
TYR
127
n
127
TYR
127
A
HIS
128
n
128
HIS
128
A
GLU
129
n
129
GLU
129
A
LEU
130
n
130
LEU
130
A
LYS
131
n
131
LYS
131
A
LYS
132
n
132
LYS
132
A
TRP
133
n
133
TRP
133
A
ILE
134
n
134
ILE
134
A
TYR
135
n
135
TYR
135
A
GLU
136
n
136
GLU
136
A
GLU
137
n
137
GLU
137
A
ASP
138
n
138
ASP
138
A
LEU
139
n
139
LEU
139
A
THR
140
n
140
THR
140
A
LEU
141
n
141
LEU
141
A
PHE
142
n
142
PHE
142
A
GLY
143
n
143
GLY
143
A
VAL
144
n
144
VAL
144
A
THR
145
n
145
THR
145
A
LEU
146
n
146
LEU
146
A
GLY
147
n
147
GLY
147
A
SER
148
n
148
SER
148
A
GLY
149
n
149
GLY
149
A
PHE
150
n
150
PHE
150
A
TRP
151
n
151
TRP
151
A
ASP
152
n
152
ASP
152
A
PHE
153
n
153
PHE
153
A
LEU
154
n
154
LEU
154
A
ASP
155
n
155
ASP
155
A
LYS
156
n
156
LYS
156
A
ASN
157
n
157
ASN
157
A
PRO
158
n
158
PRO
158
A
GLU
159
n
159
GLU
159
A
TYR
160
n
160
TYR
160
A
ASN
161
n
161
ASN
161
A
THR
162
n
162
THR
162
A
SER
163
n
163
SER
163
A
PHE
164
n
164
PHE
164
A
ASN
165
n
165
ASN
165
A
ASP
166
n
166
ASP
166
A
ALA
167
n
167
ALA
167
A
MET
168
n
168
MET
168
A
ALA
169
n
169
ALA
169
A
SER
170
n
170
SER
170
A
ASP
171
n
171
ASP
171
A
SER
172
n
172
SER
172
A
LYS
173
n
173
LYS
173
A
LEU
174
n
174
LEU
174
A
ILE
175
n
175
ILE
175
A
ASN
176
n
176
ASN
176
A
LEU
177
n
177
LEU
177
A
ALA
178
n
178
ALA
178
A
LEU
179
n
179
LEU
179
A
ARG
180
n
180
ARG
180
A
ASP
181
n
181
ASP
181
A
CYS
182
n
182
CYS
182
A
ASP
183
n
183
ASP
183
A
PHE
184
n
184
PHE
184
A
VAL
185
n
185
VAL
185
A
PHE
186
n
186
PHE
186
A
ASP
187
n
187
ASP
187
A
GLY
188
n
188
GLY
188
A
LEU
189
n
189
LEU
189
A
GLU
190
n
190
GLU
190
A
SER
191
n
191
SER
191
A
ILE
192
n
192
ILE
192
A
VAL
193
n
193
VAL
193
A
ASP
194
n
194
ASP
194
A
VAL
195
n
195
VAL
195
A
GLY
196
n
196
GLY
196
A
GLY
197
n
197
GLY
197
A
GLY
198
n
198
GLY
198
A
THR
199
n
199
THR
199
A
GLY
200
n
200
GLY
200
A
THR
201
n
201
THR
201
A
THR
202
n
202
THR
202
A
ALA
203
n
203
ALA
203
A
LYS
204
n
204
LYS
204
A
ILE
205
n
205
ILE
205
A
ILE
206
n
206
ILE
206
A
CYS
207
n
207
CYS
207
A
GLU
208
n
208
GLU
208
A
THR
209
n
209
THR
209
A
PHE
210
n
210
PHE
210
A
PRO
211
n
211
PRO
211
A
LYS
212
n
212
LYS
212
A
LEU
213
n
213
LEU
213
A
LYS
214
n
214
LYS
214
A
CYS
215
n
215
CYS
215
A
ILE
216
n
216
ILE
216
A
VAL
217
n
217
VAL
217
A
PHE
218
n
218
PHE
218
A
ASP
219
n
219
ASP
219
A
ARG
220
n
220
ARG
220
A
PRO
221
n
221
PRO
221
A
GLN
222
n
222
GLN
222
A
VAL
223
n
223
VAL
223
A
VAL
224
n
224
VAL
224
A
GLU
225
n
225
GLU
225
A
ASN
226
n
226
ASN
226
A
LEU
227
n
227
LEU
227
A
SER
228
n
228
SER
228
A
GLY
229
n
229
GLY
229
A
SER
230
n
230
SER
230
A
ASN
231
n
231
ASN
231
A
ASN
232
n
232
ASN
232
A
LEU
233
n
233
LEU
233
A
THR
234
n
234
THR
234
A
TYR
235
n
235
TYR
235
A
VAL
236
n
236
VAL
236
A
GLY
237
n
237
GLY
237
A
GLY
238
n
238
GLY
238
A
ASP
239
n
239
ASP
239
A
MET
240
n
240
MET
240
A
PHE
241
n
241
PHE
241
A
THR
242
n
242
THR
242
A
SER
243
n
243
SER
243
A
ILE
244
n
244
ILE
244
A
PRO
245
n
245
PRO
245
A
ASN
246
n
246
ASN
246
A
ALA
247
n
247
ALA
247
A
ASP
248
n
248
ASP
248
A
ALA
249
n
249
ALA
249
A
VAL
250
n
250
VAL
250
A
LEU
251
n
251
LEU
251
A
LEU
252
n
252
LEU
252
A
LYS
253
n
253
LYS
253
A
TYR
254
n
254
TYR
254
A
ILE
255
n
255
ILE
255
A
LEU
256
n
256
LEU
256
A
HIS
257
n
257
HIS
257
A
ASN
258
n
258
ASN
258
A
TRP
259
n
259
TRP
259
A
THR
260
n
260
THR
260
A
ASP
261
n
261
ASP
261
A
LYS
262
n
262
LYS
262
A
ASP
263
n
263
ASP
263
A
CYS
264
n
264
CYS
264
A
LEU
265
n
265
LEU
265
A
ARG
266
n
266
ARG
266
A
ILE
267
n
267
ILE
267
A
LEU
268
n
268
LEU
268
A
LYS
269
n
269
LYS
269
A
LYS
270
n
270
LYS
270
A
CYS
271
n
271
CYS
271
A
LYS
272
n
272
LYS
272
A
GLU
273
n
273
GLU
273
A
ALA
274
n
274
ALA
274
A
VAL
275
n
275
VAL
275
A
THR
276
n
276
THR
276
A
ASN
277
n
277
ASN
277
A
ASP
278
n
278
ASP
278
A
GLY
279
n
279
GLY
279
A
LYS
280
n
280
LYS
280
A
ARG
281
n
281
ARG
281
A
GLY
282
n
282
GLY
282
A
LYS
283
n
283
LYS
283
A
VAL
284
n
284
VAL
284
A
THR
285
n
285
THR
285
A
ILE
286
n
286
ILE
286
A
ILE
287
n
287
ILE
287
A
ASP
288
n
288
ASP
288
A
MET
289
n
289
MET
289
A
VAL
290
n
290
VAL
290
A
ILE
291
n
291
ILE
291
A
ASP
292
n
292
ASP
292
A
LYS
293
n
293
LYS
293
A
LYS
294
n
294
LYS
294
A
LYS
295
n
295
LYS
295
A
ASP
296
n
296
ASP
296
A
GLU
297
n
297
GLU
297
A
ASN
298
n
298
ASN
298
A
GLN
299
n
299
GLN
299
A
VAL
300
n
300
VAL
300
A
THR
301
n
301
THR
301
A
GLN
302
n
302
GLN
302
A
ILE
303
n
303
ILE
303
A
LYS
304
n
304
LYS
304
A
LEU
305
n
305
LEU
305
A
LEU
306
n
306
LEU
306
A
MET
307
n
307
MET
307
A
ASP
308
n
308
ASP
308
A
VAL
309
n
309
VAL
309
A
ASN
310
n
310
ASN
310
A
MET
311
n
311
MET
311
A
ALA
312
n
312
ALA
312
A
CYS
313
n
313
CYS
313
A
LEU
314
n
314
LEU
314
A
ASN
315
n
315
ASN
315
A
GLY
316
n
316
GLY
316
A
LYS
317
n
317
LYS
317
A
GLU
318
n
318
GLU
318
A
ARG
319
n
319
ARG
319
A
ASN
320
n
320
ASN
320
A
GLU
321
n
321
GLU
321
A
GLU
322
n
322
GLU
322
A
GLU
323
n
323
GLU
323
A
TRP
324
n
324
TRP
324
A
LYS
325
n
325
LYS
325
A
LYS
326
n
326
LYS
326
A
LEU
327
n
327
LEU
327
A
PHE
328
n
328
PHE
328
A
ILE
329
n
329
ILE
329
A
GLU
330
n
330
GLU
330
A
ALA
331
n
331
ALA
331
A
GLY
332
n
332
GLY
332
A
PHE
333
n
333
PHE
333
A
GLN
334
n
334
GLN
334
A
HIS
335
n
335
HIS
335
A
TYR
336
n
336
TYR
336
A
LYS
337
n
337
LYS
337
A
ILE
338
n
338
ILE
338
A
SER
339
n
339
SER
339
A
PRO
340
n
340
PRO
340
A
LEU
341
n
341
LEU
341
A
THR
342
n
342
THR
342
A
GLY
343
n
343
GLY
343
A
PHE
344
n
344
PHE
344
A
LEU
345
n
345
LEU
345
A
SER
346
n
346
SER
346
A
LEU
347
n
347
LEU
347
A
ILE
348
n
348
ILE
348
A
GLU
349
n
349
GLU
349
A
ILE
350
n
350
ILE
350
A
TYR
351
n
351
TYR
351
A
PRO
352
n
352
PRO
352
A
author_and_software_defined_assembly
PISA,PQS
2
dimeric
9750
-82
29030
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
2_556
-x,y,-z+1
crystal symmetry operation
-18.3298279818
0.0000000000
61.1352630006
A
O
ILE
52
A
O
ILE
52
A
N
TYR
94
A
N
TYR
94
A
N
ALA
95
A
N
ALA
95
A
O
GLU
85
A
O
GLU
85
A
N
THR
234
A
N
THR
234
A
O
CYS
215
A
O
CYS
215
A
N
ILE
216
A
N
ILE
216
A
O
ILE
192
A
O
ILE
192
A
N
VAL
193
A
N
VAL
193
A
O
ALA
249
A
O
ALA
249
A
N
VAL
250
A
N
VAL
250
A
O
LYS
283
A
O
LYS
283
A
O
ASP
288
A
O
ASP
288
A
N
SER
346
A
N
SER
346
A
N
TYR
351
A
N
TYR
351
A
O
HIS
335
A
O
HIS
335
A
N
ILE
291
A
N
ILE
291
A
O
ARG
319
A
O
ARG
319
1
A
MET
1
A
MET
1
1
Y
1
A
ALA
2
A
ALA
2
1
Y
1
A
SER
3
A
SER
3
1
Y
1
A
SER
4
A
SER
4
1
Y
1
A
ILE
5
A
ILE
5
1
Y
1
A
ASN
6
A
ASN
6
1
Y
1
A
GLY
7
A
GLY
7
1
Y
1
A
C4'
SAH
1699
PLANAR
1
A
C1'
SAH
1699
PLANAR
1
A
TYR
254
0.063
SIDE CHAIN
1
-3.49
0.50
120.30
116.81
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
319
319
319
N
1
A
LYS
9
-128.62
-154.94
1
A
PRO
10
-92.76
-143.69
1
A
SER
11
-69.61
19.29
1
A
LYS
89
-146.18
-128.27
1
A
SER
230
-179.49
140.99
1
A
ASN
231
24.18
100.20
1
A
ASN
232
73.16
-16.64
1
A
ILE
255
-102.62
-61.10
1
A
ASP
292
-152.55
89.34
1
A
MET
311
-67.72
0.38
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARAM
WATER.TOP
SAH_PARA.TXT
SAH_TOPO.TXT
ISOFORM_PARA.TXT
ISOFORM_TOPO.TXT
19.7
-2.08
.00
-.45
3.80
.00
-1.72
0.2330000
.004
0.2170000
0.2330000
0.2170000
1.40
69.71
4162
87599
82735
5.0
94.4
RANDOM
1360469.45
.00
1
RESTRAINED
THROUGHOUT
.0
1.5
Engh & Huber
FLAT MODEL
45.34
.3714
0.21
0.19
5.00
0.35
0.30
1.40
69.71
247
3028
46
0
2735
0.022
1.9
22.2
1.40
1.32
1.50
1.93
2.00
2.26
2.00
3.12
2.50
0.4130000
0.017
0.3700000
1.49
583
11567
6
4.8
83.7
17.8
1.40
99
1FP2
87599
82735
1.5
1.5
0.0400000
1
19.1
1.8
94.4
0.6500000
1.40
1.42
6859
1
1.9
65.5
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
CRYSTAL STRUCTURE ANALYSIS OF ISOFLAVONE O-METHYLTRANSFERASE
1
N
N
2
N
N
3
N
N
4
N
N
The biological assembly is a dimer constructed from chain A by a two-fold rotation.
A
SER
11
A
SER
11
HELX_P
A
TYR
25
A
TYR
25
1
1
15
A
ALA
26
A
ALA
26
HELX_P
A
MET
39
A
MET
39
1
2
14
A
ASN
40
A
ASN
40
HELX_P
A
GLY
49
A
GLY
49
1
3
10
A
LEU
54
A
LEU
54
HELX_P
A
GLN
62
A
GLN
62
1
4
9
A
PRO
64
A
PRO
64
HELX_P
A
SER
66
A
SER
66
5
5
3
A
LYS
67
A
LYS
67
HELX_P
A
ASN
81
A
ASN
81
1
6
15
A
THR
97
A
THR
97
HELX_P
A
LEU
102
A
LEU
102
1
7
6
A
LEU
111
A
LEU
111
HELX_P
A
LEU
119
A
LEU
119
1
8
9
A
ASP
120
A
ASP
120
HELX_P
A
SER
126
A
SER
126
1
9
7
A
GLU
129
A
GLU
129
HELX_P
A
TYR
135
A
TYR
135
1
10
7
A
THR
140
A
THR
140
HELX_P
A
GLY
147
A
GLY
147
1
11
8
A
GLY
149
A
GLY
149
HELX_P
A
ASN
157
A
ASN
157
1
12
9
A
ASN
157
A
ASN
157
HELX_P
A
ASP
171
A
ASP
171
1
13
15
A
ASP
171
A
ASP
171
HELX_P
A
ASP
181
A
ASP
181
1
14
11
A
CYS
182
A
CYS
182
HELX_P
A
ASP
187
A
ASP
187
1
15
6
A
GLY
200
A
GLY
200
HELX_P
A
PHE
210
A
PHE
210
1
16
11
A
ARG
220
A
ARG
220
HELX_P
A
GLU
225
A
GLU
225
1
17
6
A
ILE
255
A
ILE
255
HELX_P
A
TRP
259
A
TRP
259
5
18
5
A
THR
260
A
THR
260
HELX_P
A
THR
276
A
THR
276
1
19
17
A
ASN
277
A
ASN
277
HELX_P
A
LYS
280
A
LYS
280
5
20
4
A
GLU
297
A
GLU
297
HELX_P
A
MET
311
A
MET
311
1
21
15
A
ALA
312
A
ALA
312
HELX_P
A
ASN
315
A
ASN
315
5
22
4
A
GLU
321
A
GLU
321
HELX_P
A
ALA
331
A
ALA
331
1
23
11
TRANSFERASE
protein-product complex, TRANSFERASE
7OMT8_MEDSA
UNP
1
1
O24529
MASSINGRKPSEIFKAQALLYKHIYAFIDSMSLKWAVEMNIPNIIQNHGKPISLSNLVSILQVPSSKIGNVRRLMRYLAH
NGFFEIITKEEESYALTVASELLVRGSDLCLAPMVECVLDPTLSGSYHELKKWIYEEDLTLFGVTLGSGFWDFLDKNPEY
NTSFNDAMASDSKLINLALRDCDFVFDGLESIVDVGGGTGTTAKIICETFPKLKCIVFDRPQVVENLSGSNNLTYVGGDM
FTSIPNADAVLLKYILHNWTDKDCLRILKKCKEAVTNDGKRGKVTIIDMVIDKKKDENQVTQIKLLMDVNMACLNGKERN
EEEWKKLFIEAGFQHYKISPLTGFLSLIEIYP
1
352
1FP2
1
352
O24529
A
1
1
352
3
7
2
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
parallel
A
ILE
52
A
ILE
52
A
SER
53
A
SER
53
A
GLU
92
A
GLU
92
A
LEU
96
A
LEU
96
A
PHE
84
A
PHE
84
A
THR
88
A
THR
88
A
LEU
233
A
LEU
233
A
GLY
237
A
GLY
237
A
LYS
214
A
LYS
214
A
ASP
219
A
ASP
219
A
SER
191
A
SER
191
A
VAL
195
A
VAL
195
A
ALA
249
A
ALA
249
A
LYS
253
A
LYS
253
A
LYS
283
A
LYS
283
A
ASP
288
A
ASP
288
A
LEU
345
A
LEU
345
A
TYR
351
A
TYR
351
A
HIS
335
A
HIS
335
A
THR
342
A
THR
342
A
VAL
290
A
VAL
290
A
ILE
291
A
ILE
291
A
ARG
319
A
ARG
319
A
ASN
320
A
ASN
320
BINDING SITE FOR RESIDUE SAH A 1699
A
SAH
1699
Software
17
BINDING SITE FOR RESIDUE HMO A 2000
A
HMO
2000
Software
11
A
GLY
196
A
GLY
196
17
1_555
A
ASP
219
A
ASP
219
17
1_555
A
ARG
220
A
ARG
220
17
1_555
A
ASP
239
A
ASP
239
17
1_555
A
MET
240
A
MET
240
17
1_555
A
PHE
241
A
PHE
241
17
1_555
A
LYS
253
A
LYS
253
17
1_555
A
ILE
255
A
ILE
255
17
1_555
A
HMO
2000
C
HMO
17
1_555
A
HOH
2001
D
HOH
17
1_555
A
HOH
2002
D
HOH
17
1_555
A
HOH
2014
D
HOH
17
1_555
A
HOH
2026
D
HOH
17
1_555
A
HOH
2031
D
HOH
17
1_555
A
HOH
2039
D
HOH
17
1_555
A
HOH
2047
D
HOH
17
1_555
A
HOH
2054
D
HOH
17
1_555
A
TYR
25
A
TYR
25
11
2_556
A
VAL
118
A
VAL
118
11
1_555
A
LEU
123
A
LEU
123
11
1_555
A
SER
124
A
SER
124
11
1_555
A
TYR
127
A
TYR
127
11
1_555
A
PHE
164
A
PHE
164
11
1_555
A
TYR
254
A
TYR
254
11
1_555
A
HIS
257
A
HIS
257
11
1_555
A
ASN
258
A
ASN
258
11
1_555
A
ASN
310
A
ASN
310
11
1_555
A
SAH
1699
B
SAH
11
1_555
5
C 1 2 1