.007992
.000000
.005580
.000000
.018590
.000000
.000000
.000000
.016618
.00000
.00000
.00000
Zubieta, C.
Dixon, R.A.
Noel, J.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
124.92
90.00
125.119
53.793
73.390
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
C15 H12 O4
256.253
2',4,4'-TRIHYDROXYCHALCONE
non-polymer
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
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
Y
137
N
C
Y
138
N
C
Y
139
N
C
Y
140
N
C
Y
141
N
C
Y
142
N
C
N
143
N
C
N
144
N
C
N
145
N
C
N
146
N
O
Y
147
N
C
Y
148
N
C
Y
149
N
C
Y
150
N
C
Y
151
N
C
Y
152
N
C
N
153
N
O
N
154
N
O
N
155
N
O
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
H
N
166
N
H
N
167
N
H
N
168
N
N
N
169
S
C
N
170
N
C
N
171
N
O
N
172
N
C
Y
173
N
C
Y
174
N
N
Y
175
N
C
Y
176
N
C
Y
177
N
N
N
178
N
O
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
O
N
190
N
H
N
191
N
H
N
192
N
N
N
193
S
C
N
194
N
C
N
195
N
O
N
196
S
C
N
197
N
C
N
198
N
C
N
199
N
C
N
200
N
O
N
201
N
H
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
N
N
215
S
C
N
216
N
C
N
217
N
O
N
218
N
C
N
219
N
C
N
220
N
C
N
221
N
C
N
222
N
O
N
223
N
H
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
N
N
237
S
C
N
238
N
C
N
239
N
O
N
240
N
C
N
241
N
C
N
242
N
C
N
243
N
C
N
244
N
N
N
245
N
O
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
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
N
N
262
S
C
N
263
N
C
N
264
N
O
N
265
N
C
N
266
N
C
N
267
N
S
N
268
N
C
N
269
N
O
N
270
N
H
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
N
N
282
S
C
N
283
N
C
N
284
N
O
N
285
N
C
Y
286
N
C
Y
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
N
292
N
O
N
293
N
H
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
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
N
C
N
309
N
C
N
310
N
C
N
311
N
O
N
312
N
H
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
N
N
322
S
C
N
323
N
C
N
324
N
C
N
325
N
S
N
326
N
C
N
327
N
O
N
328
N
O
N
329
N
C
N
330
S
C
N
331
N
O
N
332
S
C
N
333
N
O
N
334
R
C
N
335
N
O
N
336
R
C
Y
337
N
N
Y
338
N
C
Y
339
N
N
Y
340
N
C
Y
341
N
C
N
342
N
N
Y
343
N
N
Y
344
N
C
Y
345
N
N
Y
346
N
C
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
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
N
N
368
S
C
N
369
N
C
N
370
N
O
N
371
N
C
N
372
N
O
N
373
N
O
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
N
N
382
S
C
N
383
N
C
N
384
N
O
N
385
R
C
N
386
N
O
N
387
N
C
N
388
N
O
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
H
N
396
N
H
N
397
N
H
N
398
N
N
N
399
S
C
N
400
N
C
N
401
N
O
N
402
N
C
Y
403
N
C
Y
404
N
C
Y
405
N
C
Y
406
N
N
Y
407
N
C
Y
408
N
C
Y
409
N
C
Y
410
N
C
Y
411
N
C
N
412
N
O
N
413
N
H
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
N
N
426
S
C
N
427
N
C
N
428
N
O
N
429
N
C
Y
430
N
C
Y
431
N
C
Y
432
N
C
Y
433
N
C
Y
434
N
C
Y
435
N
C
N
436
N
O
N
437
N
O
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
447
N
H
N
448
N
H
N
449
N
N
N
450
S
C
N
451
N
C
N
452
N
O
N
453
N
C
N
454
N
C
N
455
N
C
N
456
N
O
N
457
N
H
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
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
Y
129
N
doub
Y
130
N
sing
N
131
N
sing
Y
132
N
sing
N
133
N
sing
Y
134
N
doub
N
135
N
sing
Y
136
N
sing
N
137
N
sing
Y
138
N
doub
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
E
doub
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
Y
148
N
doub
Y
149
N
sing
Y
150
N
sing
N
151
N
sing
Y
152
N
doub
N
153
N
sing
Y
154
N
sing
N
155
N
sing
Y
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
Y
172
N
sing
Y
173
N
doub
Y
174
N
doub
N
175
N
sing
Y
176
N
sing
N
177
N
sing
Y
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
doub
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
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
doub
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
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
doub
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
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
doub
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
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
doub
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
Y
280
N
doub
Y
281
N
sing
Y
282
N
sing
N
283
N
sing
Y
284
N
doub
N
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
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
doub
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
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
doub
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
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
Y
342
N
sing
Y
343
N
sing
Y
344
N
doub
N
345
N
sing
Y
346
N
sing
Y
347
N
sing
Y
348
N
doub
N
349
N
sing
Y
350
N
doub
N
351
N
sing
N
352
N
sing
Y
353
N
sing
Y
354
N
doub
N
355
N
sing
Y
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
doub
N
364
N
sing
N
365
N
sing
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
doub
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
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
doub
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
Y
397
N
doub
Y
398
N
sing
Y
399
N
sing
N
400
N
sing
Y
401
N
doub
Y
402
N
sing
Y
403
N
sing
N
404
N
sing
Y
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
doub
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
Y
425
N
doub
Y
426
N
sing
Y
427
N
sing
N
428
N
sing
Y
429
N
doub
N
430
N
sing
Y
431
N
doub
N
432
N
sing
Y
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
doub
N
445
N
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
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/pdb1fp1/pdb
pdb_00001fp1
1.000000
.000000
.000000
.000000
1.000000
.000000
.000000
.000000
1.000000
.00000
.00000
.00000
105
1
IMAGE PLATE
2000-03-31
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.03
1.0
BL7-1
SSRL
1.03
SYNCHROTRON
SSRL BEAMLINE BL7-1
41178.152
ISOLIQUIRITIGENIN 2'-O-METHYLTRANSFERASE
1
man
polymer
384.411
S-ADENOSYL-L-HOMOCYSTEINE
1
syn
non-polymer
256.253
2',4,4'-TRIHYDROXYCHALCONE
1
syn
non-polymer
18.015
water
212
nat
water
CHALCONE O-METHYLTRANSFERASE
no
no
MGNSYITKEDNQISATSEQTEDSACLSAMVLTTNLVYPAVLNAAIDLNLFEIIAKATPPGAFMSPSEIASKLPASTQHSD
LPNRLDRMLRLLASYSVLTSTTRTIEDGGAERVYGLSMVGKYLVPDESRGYLASFTTFLCYPALLQVWMNFKEAVVDEDI
DLFKNVHGVTKYEFMGKDKKMNQIFNKSMVDVCATEMKRMLEIYTGFEGISTLVDVGGGSGRNLELIISKYPLIKGINFD
LPQVIENAPPLSGIEHVGGDMFASVPQGDAMILKAVCHNWSDEKCIEFLSNCHKALSPNGKVIIVEFILPEEPNTSEESK
LVSTLDNLMFITVGGRERTEKQYEKLSKLSGFSKFQVACRAFNSLGVMEFYK
MGNSYITKEDNQISATSEQTEDSACLSAMVLTTNLVYPAVLNAAIDLNLFEIIAKATPPGAFMSPSEIASKLPASTQHSD
LPNRLDRMLRLLASYSVLTSTTRTIEDGGAERVYGLSMVGKYLVPDESRGYLASFTTFLCYPALLQVWMNFKEAVVDEDI
DLFKNVHGVTKYEFMGKDKKMNQIFNKSMVDVCATEMKRMLEIYTGFEGISTLVDVGGGSGRNLELIISKYPLIKGINFD
LPQVIENAPPLSGIEHVGGDMFASVPQGDAMILKAVCHNWSDEKCIEFLSNCHKALSPNGKVIIVEFILPEEPNTSEESK
LVSTLDNLMFITVGGRERTEKQYEKLSKLSGFSKFQVACRAFNSLGVMEFYK
D
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
Medicago
Escherichia
sample
3879
Medicago sativa
562
Escherichia coli
PLASMID
PHIS8
1
2.46
49.96
VAPOR DIFFUSION, HANGING DROP
7.5
PEG 8000, ammonium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 4K
277.0
exptl_crystal_grow
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Experimental preparation
Data collection
Database references
Derived calculations
1
0
2001-03-07
1
1
2008-04-27
1
2
2011-07-13
1
3
2018-01-31
1
4
2024-02-07
_exptl_crystal_grow.temp
_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 Isoflavone O-methyltransferase
Crystal Structure Analysis of Selenomethionine substituted IOMT
Crystal Structure Analysis of Selenomethionine Substituted Chalcone O-methyltransferase
RCSB
Y
RCSB
2000-08-29
REL
REL
SAH
S-ADENOSYL-L-HOMOCYSTEINE
HCC
2',4,4'-TRIHYDROXYCHALCONE
HOH
water
SAH
1699
2
SAH
SAH
1699
D
NAS
2000
3
HCC
HCC
2000
D
TIP
1
4
HOH
HOH
2001
D
TIP
2
4
HOH
HOH
2002
D
TIP
3
4
HOH
HOH
2003
D
TIP
4
4
HOH
HOH
2004
D
TIP
5
4
HOH
HOH
2005
D
TIP
6
4
HOH
HOH
2006
D
TIP
7
4
HOH
HOH
2007
D
TIP
8
4
HOH
HOH
2008
D
TIP
9
4
HOH
HOH
2009
D
TIP
10
4
HOH
HOH
2010
D
TIP
11
4
HOH
HOH
2011
D
TIP
12
4
HOH
HOH
2012
D
TIP
13
4
HOH
HOH
2013
D
TIP
14
4
HOH
HOH
2014
D
TIP
15
4
HOH
HOH
2015
D
TIP
16
4
HOH
HOH
2016
D
TIP
17
4
HOH
HOH
2017
D
TIP
18
4
HOH
HOH
2018
D
TIP
19
4
HOH
HOH
2019
D
TIP
20
4
HOH
HOH
2020
D
TIP
22
4
HOH
HOH
2021
D
TIP
23
4
HOH
HOH
2022
D
TIP
24
4
HOH
HOH
2023
D
TIP
25
4
HOH
HOH
2024
D
TIP
26
4
HOH
HOH
2025
D
TIP
27
4
HOH
HOH
2026
D
TIP
28
4
HOH
HOH
2027
D
TIP
29
4
HOH
HOH
2028
D
TIP
30
4
HOH
HOH
2029
D
TIP
31
4
HOH
HOH
2030
D
TIP
32
4
HOH
HOH
2031
D
TIP
33
4
HOH
HOH
2032
D
TIP
34
4
HOH
HOH
2033
D
TIP
35
4
HOH
HOH
2034
D
TIP
36
4
HOH
HOH
2035
D
TIP
37
4
HOH
HOH
2036
D
TIP
38
4
HOH
HOH
2037
D
TIP
39
4
HOH
HOH
2038
D
TIP
40
4
HOH
HOH
2039
D
TIP
41
4
HOH
HOH
2040
D
TIP
42
4
HOH
HOH
2041
D
TIP
43
4
HOH
HOH
2042
D
TIP
44
4
HOH
HOH
2043
D
TIP
45
4
HOH
HOH
2044
D
TIP
46
4
HOH
HOH
2045
D
TIP
47
4
HOH
HOH
2046
D
TIP
48
4
HOH
HOH
2047
D
TIP
49
4
HOH
HOH
2048
D
TIP
50
4
HOH
HOH
2049
D
TIP
51
4
HOH
HOH
2050
D
TIP
52
4
HOH
HOH
2051
D
TIP
53
4
HOH
HOH
2052
D
TIP
54
4
HOH
HOH
2053
D
TIP
55
4
HOH
HOH
2054
D
TIP
56
4
HOH
HOH
2055
D
TIP
57
4
HOH
HOH
2056
D
TIP
58
4
HOH
HOH
2057
D
TIP
59
4
HOH
HOH
2058
D
TIP
60
4
HOH
HOH
2059
D
TIP
61
4
HOH
HOH
2060
D
TIP
62
4
HOH
HOH
2061
D
TIP
63
4
HOH
HOH
2062
D
TIP
64
4
HOH
HOH
2063
D
TIP
65
4
HOH
HOH
2064
D
TIP
66
4
HOH
HOH
2065
D
TIP
67
4
HOH
HOH
2066
D
TIP
68
4
HOH
HOH
2067
D
TIP
69
4
HOH
HOH
2068
D
TIP
70
4
HOH
HOH
2069
D
TIP
71
4
HOH
HOH
2070
D
TIP
72
4
HOH
HOH
2071
D
TIP
73
4
HOH
HOH
2072
D
TIP
74
4
HOH
HOH
2073
D
TIP
75
4
HOH
HOH
2074
D
TIP
76
4
HOH
HOH
2075
D
TIP
77
4
HOH
HOH
2076
D
TIP
78
4
HOH
HOH
2077
D
TIP
79
4
HOH
HOH
2078
D
TIP
80
4
HOH
HOH
2079
D
TIP
81
4
HOH
HOH
2080
D
TIP
82
4
HOH
HOH
2081
D
TIP
83
4
HOH
HOH
2082
D
TIP
84
4
HOH
HOH
2083
D
TIP
85
4
HOH
HOH
2084
D
TIP
86
4
HOH
HOH
2085
D
TIP
87
4
HOH
HOH
2086
D
TIP
88
4
HOH
HOH
2087
D
TIP
89
4
HOH
HOH
2088
D
TIP
90
4
HOH
HOH
2089
D
TIP
91
4
HOH
HOH
2090
D
TIP
92
4
HOH
HOH
2091
D
TIP
93
4
HOH
HOH
2092
D
TIP
94
4
HOH
HOH
2093
D
TIP
95
4
HOH
HOH
2094
D
TIP
96
4
HOH
HOH
2095
D
TIP
97
4
HOH
HOH
2096
D
TIP
98
4
HOH
HOH
2097
D
TIP
99
4
HOH
HOH
2098
D
TIP
100
4
HOH
HOH
2099
D
TIP
101
4
HOH
HOH
2100
D
TIP
102
4
HOH
HOH
2101
D
TIP
103
4
HOH
HOH
2102
D
TIP
104
4
HOH
HOH
2103
D
TIP
105
4
HOH
HOH
2104
D
TIP
106
4
HOH
HOH
2105
D
TIP
107
4
HOH
HOH
2106
D
TIP
108
4
HOH
HOH
2107
D
TIP
109
4
HOH
HOH
2108
D
TIP
110
4
HOH
HOH
2109
D
TIP
111
4
HOH
HOH
2110
D
TIP
112
4
HOH
HOH
2111
D
TIP
113
4
HOH
HOH
2112
D
WAT
1
4
HOH
HOH
2113
D
WAT
2
4
HOH
HOH
2114
D
WAT
3
4
HOH
HOH
2115
D
WAT
4
4
HOH
HOH
2116
D
WAT
5
4
HOH
HOH
2117
D
WAT
7
4
HOH
HOH
2118
D
WAT
8
4
HOH
HOH
2119
D
WAT
9
4
HOH
HOH
2120
D
WAT
10
4
HOH
HOH
2121
D
WAT
11
4
HOH
HOH
2122
D
WAT
12
4
HOH
HOH
2123
D
WAT
13
4
HOH
HOH
2124
D
WAT
14
4
HOH
HOH
2125
D
WAT
15
4
HOH
HOH
2126
D
WAT
16
4
HOH
HOH
2127
D
WAT
17
4
HOH
HOH
2128
D
WAT
18
4
HOH
HOH
2129
D
WAT
19
4
HOH
HOH
2130
D
WAT
20
4
HOH
HOH
2131
D
WAT
21
4
HOH
HOH
2132
D
WAT
22
4
HOH
HOH
2133
D
WAT
23
4
HOH
HOH
2134
D
WAT
24
4
HOH
HOH
2135
D
WAT
25
4
HOH
HOH
2136
D
WAT
26
4
HOH
HOH
2137
D
WAT
27
4
HOH
HOH
2138
D
WAT
28
4
HOH
HOH
2139
D
WAT
29
4
HOH
HOH
2140
D
WAT
30
4
HOH
HOH
2141
D
WAT
31
4
HOH
HOH
2142
D
WAT
32
4
HOH
HOH
2143
D
WAT
33
4
HOH
HOH
2144
D
WAT
34
4
HOH
HOH
2145
D
WAT
35
4
HOH
HOH
2146
D
WAT
36
4
HOH
HOH
2147
D
WAT
37
4
HOH
HOH
2148
D
WAT
38
4
HOH
HOH
2149
D
WAT
39
4
HOH
HOH
2150
D
WAT
40
4
HOH
HOH
2151
D
WAT
41
4
HOH
HOH
2152
D
WAT
42
4
HOH
HOH
2153
D
WAT
43
4
HOH
HOH
2154
D
WAT
44
4
HOH
HOH
2155
D
WAT
45
4
HOH
HOH
2156
D
WAT
46
4
HOH
HOH
2157
D
WAT
47
4
HOH
HOH
2158
D
WAT
48
4
HOH
HOH
2159
D
WAT
49
4
HOH
HOH
2160
D
WAT
50
4
HOH
HOH
2161
D
WAT
51
4
HOH
HOH
2162
D
WAT
52
4
HOH
HOH
2163
D
WAT
53
4
HOH
HOH
2164
D
WAT
54
4
HOH
HOH
2165
D
WAT
55
4
HOH
HOH
2166
D
WAT
56
4
HOH
HOH
2167
D
WAT
57
4
HOH
HOH
2168
D
WAT
58
4
HOH
HOH
2169
D
WAT
59
4
HOH
HOH
2170
D
WAT
60
4
HOH
HOH
2171
D
WAT
61
4
HOH
HOH
2172
D
WAT
62
4
HOH
HOH
2173
D
WAT
63
4
HOH
HOH
2174
D
WAT
64
4
HOH
HOH
2175
D
WAT
65
4
HOH
HOH
2176
D
WAT
66
4
HOH
HOH
2177
D
WAT
67
4
HOH
HOH
2178
D
WAT
68
4
HOH
HOH
2179
D
WAT
69
4
HOH
HOH
2180
D
WAT
70
4
HOH
HOH
2181
D
WAT
71
4
HOH
HOH
2182
D
WAT
72
4
HOH
HOH
2183
D
WAT
73
4
HOH
HOH
2184
D
WAT
74
4
HOH
HOH
2185
D
WAT
75
4
HOH
HOH
2186
D
WAT
76
4
HOH
HOH
2187
D
WAT
77
4
HOH
HOH
2188
D
WAT
78
4
HOH
HOH
2189
D
WAT
79
4
HOH
HOH
2190
D
WAT
80
4
HOH
HOH
2191
D
WAT
81
4
HOH
HOH
2192
D
WAT
82
4
HOH
HOH
2193
D
WAT
83
4
HOH
HOH
2194
D
WAT
84
4
HOH
HOH
2195
D
WAT
85
4
HOH
HOH
2196
D
WAT
86
4
HOH
HOH
2197
D
WAT
87
4
HOH
HOH
2198
D
WAT
88
4
HOH
HOH
2199
D
WAT
89
4
HOH
HOH
2200
D
WAT
90
4
HOH
HOH
2201
D
WAT
91
4
HOH
HOH
2202
D
WAT
92
4
HOH
HOH
2203
D
WAT
93
4
HOH
HOH
2204
D
WAT
94
4
HOH
HOH
2205
D
WAT
95
4
HOH
HOH
2206
D
WAT
96
4
HOH
HOH
2207
D
WAT
97
4
HOH
HOH
2208
D
WAT
98
4
HOH
HOH
2209
D
WAT
99
4
HOH
HOH
2210
D
WAT
100
4
HOH
HOH
2211
D
WAT
101
4
HOH
HOH
2212
D
n
1
1
D
n
2
2
D
n
3
3
D
n
4
4
D
n
5
5
D
n
6
6
D
n
7
7
D
n
8
8
D
n
9
9
D
n
10
10
D
n
11
11
D
n
12
12
D
n
13
13
D
n
14
14
D
n
15
15
D
n
16
16
D
n
17
17
D
n
18
18
D
GLN
19
n
19
GLN
19
D
THR
20
n
20
THR
20
D
GLU
21
n
21
GLU
21
D
ASP
22
n
22
ASP
22
D
SER
23
n
23
SER
23
D
ALA
24
n
24
ALA
24
D
CYS
25
n
25
CYS
25
D
LEU
26
n
26
LEU
26
D
SER
27
n
27
SER
27
D
ALA
28
n
28
ALA
28
D
MET
29
n
29
MET
29
D
VAL
30
n
30
VAL
30
D
LEU
31
n
31
LEU
31
D
THR
32
n
32
THR
32
D
THR
33
n
33
THR
33
D
ASN
34
n
34
ASN
34
D
LEU
35
n
35
LEU
35
D
VAL
36
n
36
VAL
36
D
TYR
37
n
37
TYR
37
D
PRO
38
n
38
PRO
38
D
ALA
39
n
39
ALA
39
D
VAL
40
n
40
VAL
40
D
LEU
41
n
41
LEU
41
D
ASN
42
n
42
ASN
42
D
ALA
43
n
43
ALA
43
D
ALA
44
n
44
ALA
44
D
ILE
45
n
45
ILE
45
D
ASP
46
n
46
ASP
46
D
LEU
47
n
47
LEU
47
D
ASN
48
n
48
ASN
48
D
LEU
49
n
49
LEU
49
D
PHE
50
n
50
PHE
50
D
GLU
51
n
51
GLU
51
D
ILE
52
n
52
ILE
52
D
ILE
53
n
53
ILE
53
D
ALA
54
n
54
ALA
54
D
LYS
55
n
55
LYS
55
D
ALA
56
n
56
ALA
56
D
THR
57
n
57
THR
57
D
PRO
58
n
58
PRO
58
D
PRO
59
n
59
PRO
59
D
GLY
60
n
60
GLY
60
D
ALA
61
n
61
ALA
61
D
PHE
62
n
62
PHE
62
D
MET
63
n
63
MET
63
D
SER
64
n
64
SER
64
D
PRO
65
n
65
PRO
65
D
SER
66
n
66
SER
66
D
GLU
67
n
67
GLU
67
D
ILE
68
n
68
ILE
68
D
ALA
69
n
69
ALA
69
D
SER
70
n
70
SER
70
D
LYS
71
n
71
LYS
71
D
LEU
72
n
72
LEU
72
D
PRO
73
n
73
PRO
73
D
ALA
74
n
74
ALA
74
D
SER
75
n
75
SER
75
D
THR
76
n
76
THR
76
D
GLN
77
n
77
GLN
77
D
HIS
78
n
78
HIS
78
D
SER
79
n
79
SER
79
D
ASP
80
n
80
ASP
80
D
LEU
81
n
81
LEU
81
D
PRO
82
n
82
PRO
82
D
ASN
83
n
83
ASN
83
D
ARG
84
n
84
ARG
84
D
LEU
85
n
85
LEU
85
D
ASP
86
n
86
ASP
86
D
ARG
87
n
87
ARG
87
D
MET
88
n
88
MET
88
D
LEU
89
n
89
LEU
89
D
ARG
90
n
90
ARG
90
D
LEU
91
n
91
LEU
91
D
LEU
92
n
92
LEU
92
D
ALA
93
n
93
ALA
93
D
SER
94
n
94
SER
94
D
TYR
95
n
95
TYR
95
D
SER
96
n
96
SER
96
D
VAL
97
n
97
VAL
97
D
LEU
98
n
98
LEU
98
D
THR
99
n
99
THR
99
D
SER
100
n
100
SER
100
D
THR
101
n
101
THR
101
D
THR
102
n
102
THR
102
D
ARG
103
n
103
ARG
103
D
THR
104
n
104
THR
104
D
ILE
105
n
105
ILE
105
D
GLU
106
n
106
GLU
106
D
ASP
107
n
107
ASP
107
D
GLY
108
n
108
GLY
108
D
GLY
109
n
109
GLY
109
D
ALA
110
n
110
ALA
110
D
GLU
111
n
111
GLU
111
D
ARG
112
n
112
ARG
112
D
VAL
113
n
113
VAL
113
D
TYR
114
n
114
TYR
114
D
GLY
115
n
115
GLY
115
D
LEU
116
n
116
LEU
116
D
SER
117
n
117
SER
117
D
MET
118
n
118
MET
118
D
VAL
119
n
119
VAL
119
D
GLY
120
n
120
GLY
120
D
LYS
121
n
121
LYS
121
D
TYR
122
n
122
TYR
122
D
LEU
123
n
123
LEU
123
D
VAL
124
n
124
VAL
124
D
PRO
125
n
125
PRO
125
D
ASP
126
n
126
ASP
126
D
GLU
127
n
127
GLU
127
D
SER
128
n
128
SER
128
D
ARG
129
n
129
ARG
129
D
GLY
130
n
130
GLY
130
D
TYR
131
n
131
TYR
131
D
LEU
132
n
132
LEU
132
D
ALA
133
n
133
ALA
133
D
SER
134
n
134
SER
134
D
PHE
135
n
135
PHE
135
D
THR
136
n
136
THR
136
D
THR
137
n
137
THR
137
D
PHE
138
n
138
PHE
138
D
LEU
139
n
139
LEU
139
D
CYS
140
n
140
CYS
140
D
TYR
141
n
141
TYR
141
D
PRO
142
n
142
PRO
142
D
ALA
143
n
143
ALA
143
D
LEU
144
n
144
LEU
144
D
LEU
145
n
145
LEU
145
D
GLN
146
n
146
GLN
146
D
VAL
147
n
147
VAL
147
D
TRP
148
n
148
TRP
148
D
MET
149
n
149
MET
149
D
ASN
150
n
150
ASN
150
D
PHE
151
n
151
PHE
151
D
LYS
152
n
152
LYS
152
D
GLU
153
n
153
GLU
153
D
ALA
154
n
154
ALA
154
D
VAL
155
n
155
VAL
155
D
VAL
156
n
156
VAL
156
D
ASP
157
n
157
ASP
157
D
GLU
158
n
158
GLU
158
D
ASP
159
n
159
ASP
159
D
n
160
160
D
n
161
161
D
n
162
162
D
n
163
163
D
n
164
164
D
n
165
165
D
n
166
166
D
n
167
167
D
n
168
168
D
n
169
169
D
n
170
170
D
n
171
171
D
n
172
172
D
n
173
173
D
PHE
174
n
174
PHE
174
D
MET
175
n
175
MET
175
D
GLY
176
n
176
GLY
176
D
LYS
177
n
177
LYS
177
D
ASP
178
n
178
ASP
178
D
LYS
179
n
179
LYS
179
D
LYS
180
n
180
LYS
180
D
MET
181
n
181
MET
181
D
ASN
182
n
182
ASN
182
D
GLN
183
n
183
GLN
183
D
ILE
184
n
184
ILE
184
D
PHE
185
n
185
PHE
185
D
ASN
186
n
186
ASN
186
D
LYS
187
n
187
LYS
187
D
SER
188
n
188
SER
188
D
MET
189
n
189
MET
189
D
VAL
190
n
190
VAL
190
D
ASP
191
n
191
ASP
191
D
VAL
192
n
192
VAL
192
D
CYS
193
n
193
CYS
193
D
ALA
194
n
194
ALA
194
D
THR
195
n
195
THR
195
D
GLU
196
n
196
GLU
196
D
MET
197
n
197
MET
197
D
LYS
198
n
198
LYS
198
D
ARG
199
n
199
ARG
199
D
MET
200
n
200
MET
200
D
LEU
201
n
201
LEU
201
D
GLU
202
n
202
GLU
202
D
ILE
203
n
203
ILE
203
D
TYR
204
n
204
TYR
204
D
THR
205
n
205
THR
205
D
GLY
206
n
206
GLY
206
D
PHE
207
n
207
PHE
207
D
GLU
208
n
208
GLU
208
D
GLY
209
n
209
GLY
209
D
ILE
210
n
210
ILE
210
D
SER
211
n
211
SER
211
D
THR
212
n
212
THR
212
D
LEU
213
n
213
LEU
213
D
VAL
214
n
214
VAL
214
D
ASP
215
n
215
ASP
215
D
VAL
216
n
216
VAL
216
D
GLY
217
n
217
GLY
217
D
GLY
218
n
218
GLY
218
D
GLY
219
n
219
GLY
219
D
SER
220
n
220
SER
220
D
GLY
221
n
221
GLY
221
D
ARG
222
n
222
ARG
222
D
ASN
223
n
223
ASN
223
D
LEU
224
n
224
LEU
224
D
GLU
225
n
225
GLU
225
D
LEU
226
n
226
LEU
226
D
ILE
227
n
227
ILE
227
D
ILE
228
n
228
ILE
228
D
SER
229
n
229
SER
229
D
LYS
230
n
230
LYS
230
D
TYR
231
n
231
TYR
231
D
PRO
232
n
232
PRO
232
D
LEU
233
n
233
LEU
233
D
ILE
234
n
234
ILE
234
D
LYS
235
n
235
LYS
235
D
GLY
236
n
236
GLY
236
D
ILE
237
n
237
ILE
237
D
ASN
238
n
238
ASN
238
D
PHE
239
n
239
PHE
239
D
ASP
240
n
240
ASP
240
D
LEU
241
n
241
LEU
241
D
PRO
242
n
242
PRO
242
D
GLN
243
n
243
GLN
243
D
VAL
244
n
244
VAL
244
D
ILE
245
n
245
ILE
245
D
GLU
246
n
246
GLU
246
D
ASN
247
n
247
ASN
247
D
ALA
248
n
248
ALA
248
D
PRO
249
n
249
PRO
249
D
PRO
250
n
250
PRO
250
D
LEU
251
n
251
LEU
251
D
SER
252
n
252
SER
252
D
GLY
253
n
253
GLY
253
D
ILE
254
n
254
ILE
254
D
GLU
255
n
255
GLU
255
D
HIS
256
n
256
HIS
256
D
VAL
257
n
257
VAL
257
D
GLY
258
n
258
GLY
258
D
GLY
259
n
259
GLY
259
D
ASP
260
n
260
ASP
260
D
MET
261
n
261
MET
261
D
PHE
262
n
262
PHE
262
D
ALA
263
n
263
ALA
263
D
SER
264
n
264
SER
264
D
VAL
265
n
265
VAL
265
D
PRO
266
n
266
PRO
266
D
GLN
267
n
267
GLN
267
D
GLY
268
n
268
GLY
268
D
ASP
269
n
269
ASP
269
D
ALA
270
n
270
ALA
270
D
MET
271
n
271
MET
271
D
ILE
272
n
272
ILE
272
D
LEU
273
n
273
LEU
273
D
LYS
274
n
274
LYS
274
D
ALA
275
n
275
ALA
275
D
VAL
276
n
276
VAL
276
D
CYS
277
n
277
CYS
277
D
HIS
278
n
278
HIS
278
D
ASN
279
n
279
ASN
279
D
TRP
280
n
280
TRP
280
D
SER
281
n
281
SER
281
D
ASP
282
n
282
ASP
282
D
GLU
283
n
283
GLU
283
D
LYS
284
n
284
LYS
284
D
CYS
285
n
285
CYS
285
D
ILE
286
n
286
ILE
286
D
GLU
287
n
287
GLU
287
D
PHE
288
n
288
PHE
288
D
LEU
289
n
289
LEU
289
D
SER
290
n
290
SER
290
D
ASN
291
n
291
ASN
291
D
CYS
292
n
292
CYS
292
D
HIS
293
n
293
HIS
293
D
LYS
294
n
294
LYS
294
D
ALA
295
n
295
ALA
295
D
LEU
296
n
296
LEU
296
D
SER
297
n
297
SER
297
D
PRO
298
n
298
PRO
298
D
ASN
299
n
299
ASN
299
D
GLY
300
n
300
GLY
300
D
LYS
301
n
301
LYS
301
D
VAL
302
n
302
VAL
302
D
ILE
303
n
303
ILE
303
D
ILE
304
n
304
ILE
304
D
VAL
305
n
305
VAL
305
D
GLU
306
n
306
GLU
306
D
PHE
307
n
307
PHE
307
D
ILE
308
n
308
ILE
308
D
LEU
309
n
309
LEU
309
D
PRO
310
n
310
PRO
310
D
GLU
311
n
311
GLU
311
D
GLU
312
n
312
GLU
312
D
PRO
313
n
313
PRO
313
D
ASN
314
n
314
ASN
314
D
THR
315
n
315
THR
315
D
SER
316
n
316
SER
316
D
GLU
317
n
317
GLU
317
D
GLU
318
n
318
GLU
318
D
SER
319
n
319
SER
319
D
LYS
320
n
320
LYS
320
D
LEU
321
n
321
LEU
321
D
VAL
322
n
322
VAL
322
D
SER
323
n
323
SER
323
D
THR
324
n
324
THR
324
D
LEU
325
n
325
LEU
325
D
ASP
326
n
326
ASP
326
D
ASN
327
n
327
ASN
327
D
LEU
328
n
328
LEU
328
D
MET
329
n
329
MET
329
D
PHE
330
n
330
PHE
330
D
ILE
331
n
331
ILE
331
D
THR
332
n
332
THR
332
D
VAL
333
n
333
VAL
333
D
GLY
334
n
334
GLY
334
D
GLY
335
n
335
GLY
335
D
ARG
336
n
336
ARG
336
D
GLU
337
n
337
GLU
337
D
ARG
338
n
338
ARG
338
D
THR
339
n
339
THR
339
D
GLU
340
n
340
GLU
340
D
LYS
341
n
341
LYS
341
D
GLN
342
n
342
GLN
342
D
TYR
343
n
343
TYR
343
D
GLU
344
n
344
GLU
344
D
LYS
345
n
345
LYS
345
D
LEU
346
n
346
LEU
346
D
SER
347
n
347
SER
347
D
LYS
348
n
348
LYS
348
D
LEU
349
n
349
LEU
349
D
SER
350
n
350
SER
350
D
GLY
351
n
351
GLY
351
D
PHE
352
n
352
PHE
352
D
SER
353
n
353
SER
353
D
LYS
354
n
354
LYS
354
D
PHE
355
n
355
PHE
355
D
GLN
356
n
356
GLN
356
D
VAL
357
n
357
VAL
357
D
ALA
358
n
358
ALA
358
D
CYS
359
n
359
CYS
359
D
ARG
360
n
360
ARG
360
D
ALA
361
n
361
ALA
361
D
PHE
362
n
362
PHE
362
D
ASN
363
n
363
ASN
363
D
SER
364
n
364
SER
364
D
LEU
365
n
365
LEU
365
D
GLY
366
n
366
GLY
366
D
VAL
367
n
367
VAL
367
D
MET
368
n
368
MET
368
D
GLU
369
n
369
GLU
369
D
PHE
370
n
370
PHE
370
D
TYR
371
n
371
TYR
371
D
LYS
372
n
372
LYS
372
D
author_and_software_defined_assembly
PISA,PQS
2
dimeric
10640
-81
27150
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_657
-x+1,y,-z+2
crystal symmetry operation
41.0974126052
0.0000000000
120.3525706068
D
N
ARG
103
A
N
ARG
103
D
O
GLU
111
A
O
GLU
111
D
O
ALA
361
A
O
ALA
361
D
N
LEU
365
A
N
LEU
365
D
N
PHE
370
A
N
PHE
370
D
O
VAL
302
A
O
VAL
302
D
N
SER
297
A
N
SER
297
D
O
GLY
268
A
O
GLY
268
D
N
ALA
270
A
N
ALA
270
D
O
THR
212
A
O
THR
212
D
N
LEU
213
A
N
LEU
213
D
O
LYS
235
A
O
LYS
235
D
O
GLY
236
A
O
GLY
236
D
N
GLU
255
A
N
GLU
255
D
O
ALA
361
A
O
ALA
361
D
N
LEU
365
A
N
LEU
365
D
N
PHE
370
A
N
PHE
370
D
O
VAL
302
A
O
VAL
302
D
N
LEU
309
A
N
LEU
309
D
O
ARG
338
A
O
ARG
338
1
D
MET
1
A
MET
1
1
Y
1
D
GLY
2
A
GLY
2
1
Y
1
D
ASN
3
A
ASN
3
1
Y
1
D
SER
4
A
SER
4
1
Y
1
D
TYR
5
A
TYR
5
1
Y
1
D
ILE
6
A
ILE
6
1
Y
1
D
THR
7
A
THR
7
1
Y
1
D
LYS
8
A
LYS
8
1
Y
1
D
GLU
9
A
GLU
9
1
Y
1
D
ASP
10
A
ASP
10
1
Y
1
D
ASN
11
A
ASN
11
1
Y
1
D
GLN
12
A
GLN
12
1
Y
1
D
ILE
13
A
ILE
13
1
Y
1
D
SER
14
A
SER
14
1
Y
1
D
ALA
15
A
ALA
15
1
Y
1
D
THR
16
A
THR
16
1
Y
1
D
SER
17
A
SER
17
1
Y
1
D
GLU
18
A
GLU
18
1
Y
1
D
ILE
160
A
ILE
160
1
Y
1
D
ASP
161
A
ASP
161
1
Y
1
D
LEU
162
A
LEU
162
1
Y
1
D
PHE
163
A
PHE
163
1
Y
1
D
LYS
164
A
LYS
164
1
Y
1
D
ASN
165
A
ASN
165
1
Y
1
D
VAL
166
A
VAL
166
1
Y
1
D
HIS
167
A
HIS
167
1
Y
1
D
GLY
168
A
GLY
168
1
Y
1
D
VAL
169
A
VAL
169
1
Y
1
D
THR
170
A
THR
170
1
Y
1
D
LYS
171
A
LYS
171
1
Y
1
D
TYR
172
A
TYR
172
1
Y
1
D
GLU
173
A
GLU
173
1
Y
1
D
C4'
SAH
1699
PLANAR
1
D
C1'
SAH
1699
PLANAR
1
-17.99
2.20
117.20
99.21
D
D
D
CA
C
N
GLN
GLN
THR
19
19
20
Y
1
18.27
1.60
122.70
140.97
D
D
D
O
C
N
GLN
GLN
THR
19
19
20
Y
1
9.97
1.60
122.70
132.67
D
D
D
O
C
N
THR
THR
GLU
20
20
21
Y
1
D
THR
57
-37.73
-72.50
1
D
GLU
158
-53.52
-4.20
1
D
MET
175
-64.31
-71.42
1
D
ASP
178
104.39
82.62
1
D
SER
364
-160.71
-28.22
PROTEIN_REP.PARAM
PROTEIN.TOP
THC1_PARA.TXT
WATER.TOP
SAH_PARA.TXT
THC1_TOPO.TXT
WATER_REP.PARAM
SAH_TOPO.TXT
38.6
3.23
.00
-1.21
8.20
.00
-11.43
0.2630000
.006
0.2260000
0.2600000
0.2260000
1.82
36.69
1656
36093
32682
5.1
90.5
RANDOM
1481320.39
.00
1
RESTRAINED
THROUGHOUT
.0
1.5
Engh & Huber
FLAT MODEL
59.48
.3777
.30
.26
5.00
.32
.31
1.82
36.69
212
2885
45
0
2628
.006
1.2
21.6
.77
1.33
1.50
2.01
2.00
1.98
2.00
2.85
2.50
0.3760000
.025
0.3520000
1.93
235
3833
6
5.8
68.0
24.2
1.82
99
1FP1
36093
32682
1.5
1.5
0.0500000
1
25.6
2.88
90.6
0.6600000
1.82
1.85
860
1
2.1
48.5
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
CRYSTAL STRUCTURE ANALYSIS OF CHALCONE O-METHYLTRANSFERASE
1
N
N
2
N
N
3
N
N
4
N
N
The biological assembly is a dimer constructed from the monomer by a two-fold rotation.
D
THR
20
A
THR
20
HELX_P
D
ASN
34
A
ASN
34
1
1
15
D
LEU
35
A
LEU
35
HELX_P
D
LEU
47
A
LEU
47
1
2
13
D
ASN
48
A
ASN
48
HELX_P
D
LYS
55
A
LYS
55
1
3
8
D
SER
64
A
SER
64
HELX_P
D
SER
70
A
SER
70
1
4
7
D
LYS
71
A
LYS
71
HELX_P
D
LEU
72
A
LEU
72
5
5
2
D
PRO
73
A
PRO
73
HELX_P
D
GLN
77
A
GLN
77
5
6
5
D
ASP
80
A
ASP
80
HELX_P
D
TYR
95
A
TYR
95
1
7
16
D
VAL
119
A
VAL
119
HELX_P
D
VAL
124
A
VAL
124
5
8
6
D
ALA
133
A
ALA
133
HELX_P
D
CYS
140
A
CYS
140
1
9
8
D
TYR
141
A
TYR
141
HELX_P
D
MET
149
A
MET
149
1
10
9
D
ASN
150
A
ASN
150
HELX_P
D
ASP
157
A
ASP
157
1
11
8
D
ASP
178
A
ASP
178
HELX_P
D
TYR
204
A
TYR
204
1
12
27
D
GLY
221
A
GLY
221
HELX_P
D
TYR
231
A
TYR
231
1
13
11
D
LEU
241
A
LEU
241
HELX_P
D
GLU
246
A
GLU
246
1
14
6
D
VAL
276
A
VAL
276
HELX_P
D
TRP
280
A
TRP
280
5
15
5
D
SER
281
A
SER
281
HELX_P
D
ALA
295
A
ALA
295
1
16
15
D
SER
316
A
SER
316
HELX_P
D
GLY
334
A
GLY
334
1
17
19
D
GLU
340
A
GLU
340
HELX_P
D
SER
350
A
SER
350
1
18
11
TRANSFERASE
protein-substrate, protein-product complex, TRANSFERASE
CHOMT_MEDSA
UNP
1
1
P93324
MGNSYITKEDNQISATSEQTEDSACLSAMVLTTNLVYPAVLNAAIDLNLFEIIAKATPPGAFMSPSEIASKLPASTQHSD
LPNRLDRMLRLLASYSVLTSTTRTIEDGGAERVYGLSMVGKYLVPDESRGYLASFTTFLCYPALLQVWMNFKEAVVDEDI
DLFKNVHGVTKYEFMGKDKKMNQIFNKSMVDVCATEMKRMLEIYTGFEGISTLVDVGGGSGRNLELIISKYPLIKGINFD
LPQVIENAPPLSGIEHVGGDMFASVPQGDAMILKAVCHNWSDEKCIEFLSNCHKALSPNGKVIIVEFILPEEPNTSEESK
LVSTLDNLMFITVGGRERTEKQYEKLSKLSGFSKFQVACRAFNSLGVMEFYK
1
372
1FP1
1
372
P93324
D
1
1
372
2
7
4
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
parallel
D
LEU
98
A
LEU
98
D
THR
104
A
THR
104
D
ALA
110
A
ALA
110
D
LEU
116
A
LEU
116
D
LYS
354
A
LYS
354
D
ALA
361
A
ALA
361
D
LEU
365
A
LEU
365
D
TYR
371
A
TYR
371
D
LEU
296
A
LEU
296
D
LEU
309
A
LEU
309
D
GLY
268
A
GLY
268
D
LYS
274
A
LYS
274
D
THR
212
A
THR
212
D
VAL
216
A
VAL
216
D
LYS
235
A
LYS
235
D
ASP
240
A
ASP
240
D
ILE
254
A
ILE
254
D
GLY
258
A
GLY
258
D
LYS
354
A
LYS
354
D
ALA
361
A
ALA
361
D
LEU
365
A
LEU
365
D
TYR
371
A
TYR
371
D
LEU
296
A
LEU
296
D
LEU
309
A
LEU
309
D
ARG
338
A
ARG
338
D
THR
339
A
THR
339
BINDING SITE FOR RESIDUE SAH D 1699
D
SAH
1699
Software
19
BINDING SITE FOR RESIDUE HCC D 2000
D
HCC
2000
Software
16
D
GLU
106
A
GLU
106
19
3_444
D
GLY
217
A
GLY
217
19
1_555
D
ASN
223
A
ASN
223
19
1_555
D
ASP
240
A
ASP
240
19
1_555
D
LEU
241
A
LEU
241
19
1_555
D
VAL
244
A
VAL
244
19
1_555
D
ASP
260
A
ASP
260
19
1_555
D
MET
261
A
MET
261
19
1_555
D
PHE
262
A
PHE
262
19
1_555
D
LYS
274
A
LYS
274
19
1_555
D
ALA
275
A
ALA
275
19
1_555
D
HCC
2000
C
HCC
19
1_555
D
HOH
2001
D
HOH
19
1_555
D
HOH
2006
D
HOH
19
1_555
D
HOH
2031
D
HOH
19
1_555
D
HOH
2035
D
HOH
19
1_555
D
HOH
2041
D
HOH
19
1_555
D
HOH
2057
D
HOH
19
1_555
D
HOH
2090
D
HOH
19
1_555
D
MET
29
A
MET
29
16
2_657
D
PHE
135
A
PHE
135
16
1_555
D
PHE
185
A
PHE
185
16
1_555
D
MET
189
A
MET
189
16
1_555
D
VAL
192
A
VAL
192
16
1_555
D
CYS
193
A
CYS
193
16
1_555
D
LYS
274
A
LYS
274
16
1_555
D
ALA
275
A
ALA
275
16
1_555
D
HIS
278
A
HIS
278
16
1_555
D
LEU
328
A
LEU
328
16
1_555
D
MET
329
A
MET
329
16
1_555
D
THR
332
A
THR
332
16
1_555
D
SAH
1699
B
SAH
16
1_555
D
HOH
2011
D
HOH
16
2_657
D
HOH
2018
D
HOH
16
1_555
D
HOH
2139
D
HOH
16
1_555
5
C 1 2 1