0.010175
0.000000
0.000000
0.000000
0.008401
0.000000
0.000000
0.000000
0.004907
0.00000
0.00000
0.00000
Worley, S.
Schelp, E.
Monzingo, A.F.
Ernst, S.
Robertus, J.D.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
24
90.00
90.00
90.00
98.283
119.037
203.802
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
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H4 O3
88.062
PYRUVIC ACID
non-polymer
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
N
158
N
N
N
159
S
C
N
160
N
C
N
161
N
O
N
162
S
C
N
163
N
C
N
164
N
C
N
165
N
C
N
166
N
O
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
N
N
181
S
C
N
182
N
C
N
183
N
O
N
184
N
C
N
185
N
C
N
186
N
C
N
187
N
C
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
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
N
N
203
S
C
N
204
N
C
N
205
N
O
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
N
N
211
N
O
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
N
N
228
S
C
N
229
N
C
N
230
N
O
N
231
N
C
N
232
N
C
N
233
N
S
N
234
N
C
N
235
N
O
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
N
N
248
S
C
N
249
N
C
N
250
N
O
N
251
N
C
Y
252
N
C
Y
253
N
C
Y
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
N
258
N
O
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
N
C
N
275
N
C
N
276
N
C
N
277
N
O
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
C
N
288
N
O
N
289
N
O
N
290
N
C
N
291
N
O
N
292
N
C
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
N
N
298
S
C
N
299
N
C
N
300
N
O
N
301
N
C
N
302
N
O
N
303
N
O
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
R
C
N
316
N
O
N
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
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
N
Y
337
N
C
Y
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
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
N
N
356
S
C
N
357
N
C
N
358
N
O
N
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
N
366
N
O
N
367
N
O
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
N
C
N
384
N
C
N
385
N
C
N
386
N
O
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
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
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
sing
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
sing
N
176
N
sing
N
177
N
doub
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
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
doub
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
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
doub
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
Y
246
N
doub
Y
247
N
sing
Y
248
N
sing
N
249
N
sing
Y
250
N
doub
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
doub
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
doub
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
doub
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
doub
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
doub
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
Y
324
N
doub
Y
325
N
sing
Y
326
N
sing
N
327
N
sing
Y
328
N
doub
Y
329
N
sing
Y
330
N
sing
N
331
N
sing
Y
332
N
sing
Y
333
N
doub
N
334
N
sing
Y
335
N
doub
N
336
N
sing
Y
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
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
doub
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
Y
352
N
doub
Y
353
N
sing
Y
354
N
sing
N
355
N
sing
Y
356
N
doub
N
357
N
sing
Y
358
N
doub
N
359
N
sing
Y
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
sing
N
369
N
sing
N
370
N
sing
N
371
N
doub
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
sing
N
382
N
sing
US
Proteins
PSFGEY
0867
0887-3585
46
321
329
10.1002/prot.10042
11835507
Structure and cooperativity of a T-state mutant of histidine decarboxylase from Lactobacillus 30a.
2002
10.2210/pdb1ibu/pdb
pdb_00001ibu
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298.0
1
IMAGE PLATE
1996-09-18
RIGAKU RAXIS IV
DOUBLE FOCUSSING MIRRORS (NI & PT) + NI FILTER
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
8848.862
HISTIDINE DECARBOXYLASE BETA CHAIN
4.1.1.22
BETA CHAIN (RESIDUES 1-81)
D53N, D54N
3
man
polymer
25285.375
HISTIDINE DECARBOXYLASE ALPHA CHAIN
4.1.1.22
ALPHA CHAIN (RESIDUES 82-310)
3
man
polymer
PI CHAIN
no
no
SELDAKLNKLGVDRIAISPYKQWTRGYMEPGNIGNGYVTGLKVDAGVRDKSDNNVLDGIVSYDRAETKNAYIGQINMTTA
S
SELDAKLNKLGVDRIAISPYKQWTRGYMEPGNIGNGYVTGLKVDAGVRDKSDNNVLDGIVSYDRAETKNAYIGQINMTTA
S
A,C,E
polypeptide(L)
no
yes
(PYR)FTGVQGRVIGYDILRSPEVDKAKPLFTETQWDGSELPIYDAKPLQDALVEYFGTEQDRRHYPAPGSFIVCANKGV
TAERPKNDADMKPGQGYGVWSAIAISFAKDPTKDSSMFVEDAGVWETPNEDELLEYLEGRRKAMAKSIAECGQDAHASFE
SSWIGFAYTMMEPGQIGNAITVAPYVSLPIDSIPGGSILTPDKDMEIMENLTMPEWLEKMGYKSLSANNALKY
XFTGVQGRVIGYDILRSPEVDKAKPLFTETQWDGSELPIYDAKPLQDALVEYFGTEQDRRHYPAPGSFIVCANKGVTAER
PKNDADMKPGQGYGVWSAIAISFAKDPTKDSSMFVEDAGVWETPNEDELLEYLEGRRKAMAKSIAECGQDAHASFESSWI
GFAYTMMEPGQIGNAITVAPYVSLPIDSIPGGSILTPDKDMEIMENLTMPEWLEKMGYKSLSANNALKY
B,D,F
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
30A
sample
HDCA
1593
Lactobacillus sp.
562
Escherichia coli
30A
sample
HDCA
1593
Lactobacillus sp.
562
Escherichia coli
1
2.91
57.74
VAPOR DIFFUSION, HANGING DROP
4.6
PEG 4000, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
database_2
struct_conn
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
atom_site
chem_comp_atom
chem_comp_bond
struct_conn
repository
Initial release
Version format compliance
Derived calculations
Source and taxonomy
Version format compliance
Database references
Derived calculations
Data collection
Refinement description
Atomic model
Data collection
Derived calculations
1
0
2002-03-13
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-09
2
0
2023-11-15
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_atom_site.auth_atom_id
_atom_site.label_atom_id
_chem_comp_atom.atom_id
_chem_comp_bond.atom_id_1
_chem_comp_bond.atom_id_2
_struct_conn.ptnr1_label_atom_id
STRUCTURE OF PYRUVOYL-DEPENDENT HISTIDINE DECARBOXYLASE AT
PH 4.8
STRUCTURE OF PYRUVOYL-DEPENDENT HISTIDINE DECARBOXYLASE AT
PH 8
STRUCTURE OF THE D53,54N MUTANT OF HISTIDINE
DECARBOXYLASE AT -170 C
STRUCTURE OF THE D53,54N MUTANT OF HISTIDINE
DECARBOXYLASE BOUND WITH HISTIDINE METHYL ESTER
AT -170 C
STRUCTURE OF THE D53,54N MUTANT OF HISTIDINE
DECARBOXYLASE BOUND WITH HISTIDINE METHYL ESTER
AT 25 C
RCSB
Y
RCSB
2001-03-29
REL
REL
1PYA
PDB ENTRY 1PYA
PDB
experimental model
SER
1
n
1
SER
1
A
GLU
2
n
2
GLU
2
A
LEU
3
n
3
LEU
3
A
ASP
4
n
4
ASP
4
A
ALA
5
n
5
ALA
5
A
LYS
6
n
6
LYS
6
A
LEU
7
n
7
LEU
7
A
ASN
8
n
8
ASN
8
A
LYS
9
n
9
LYS
9
A
LEU
10
n
10
LEU
10
A
GLY
11
n
11
GLY
11
A
VAL
12
n
12
VAL
12
A
ASP
13
n
13
ASP
13
A
ARG
14
n
14
ARG
14
A
ILE
15
n
15
ILE
15
A
ALA
16
n
16
ALA
16
A
ILE
17
n
17
ILE
17
A
SER
18
n
18
SER
18
A
PRO
19
n
19
PRO
19
A
TYR
20
n
20
TYR
20
A
LYS
21
n
21
LYS
21
A
GLN
22
n
22
GLN
22
A
TRP
23
n
23
TRP
23
A
THR
24
n
24
THR
24
A
ARG
25
n
25
ARG
25
A
GLY
26
n
26
GLY
26
A
TYR
27
n
27
TYR
27
A
MET
28
n
28
MET
28
A
GLU
29
n
29
GLU
29
A
PRO
30
n
30
PRO
30
A
GLY
31
n
31
GLY
31
A
ASN
32
n
32
ASN
32
A
ILE
33
n
33
ILE
33
A
GLY
34
n
34
GLY
34
A
ASN
35
n
35
ASN
35
A
GLY
36
n
36
GLY
36
A
TYR
37
n
37
TYR
37
A
VAL
38
n
38
VAL
38
A
THR
39
n
39
THR
39
A
GLY
40
n
40
GLY
40
A
LEU
41
n
41
LEU
41
A
LYS
42
n
42
LYS
42
A
VAL
43
n
43
VAL
43
A
ASP
44
n
44
ASP
44
A
ALA
45
n
45
ALA
45
A
GLY
46
n
46
GLY
46
A
VAL
47
n
47
VAL
47
A
n
48
48
A
n
49
49
A
n
50
50
A
n
51
51
A
n
52
52
A
n
53
53
A
n
54
54
A
n
55
55
A
n
56
56
A
n
57
57
A
n
58
58
A
n
59
59
A
n
60
60
A
n
61
61
A
n
62
62
A
n
63
63
A
ARG
64
n
64
ARG
64
A
ALA
65
n
65
ALA
65
A
GLU
66
n
66
GLU
66
A
THR
67
n
67
THR
67
A
LYS
68
n
68
LYS
68
A
ASN
69
n
69
ASN
69
A
ALA
70
n
70
ALA
70
A
TYR
71
n
71
TYR
71
A
ILE
72
n
72
ILE
72
A
GLY
73
n
73
GLY
73
A
GLN
74
n
74
GLN
74
A
ILE
75
n
75
ILE
75
A
ASN
76
n
76
ASN
76
A
MET
77
n
77
MET
77
A
THR
78
n
78
THR
78
A
THR
79
n
79
THR
79
A
ALA
80
n
80
ALA
80
A
SER
81
n
81
SER
81
A
PVL
82
n
1
PYR
82
B
PHE
83
n
2
PHE
83
B
THR
84
n
3
THR
84
B
GLY
85
n
4
GLY
85
B
VAL
86
n
5
VAL
86
B
GLN
87
n
6
GLN
87
B
GLY
88
n
7
GLY
88
B
ARG
89
n
8
ARG
89
B
VAL
90
n
9
VAL
90
B
ILE
91
n
10
ILE
91
B
GLY
92
n
11
GLY
92
B
TYR
93
n
12
TYR
93
B
ASP
94
n
13
ASP
94
B
ILE
95
n
14
ILE
95
B
LEU
96
n
15
LEU
96
B
ARG
97
n
16
ARG
97
B
SER
98
n
17
SER
98
B
PRO
99
n
18
PRO
99
B
GLU
100
n
19
GLU
100
B
VAL
101
n
20
VAL
101
B
ASP
102
n
21
ASP
102
B
LYS
103
n
22
LYS
103
B
ALA
104
n
23
ALA
104
B
LYS
105
n
24
LYS
105
B
PRO
106
n
25
PRO
106
B
LEU
107
n
26
LEU
107
B
PHE
108
n
27
PHE
108
B
THR
109
n
28
THR
109
B
GLU
110
n
29
GLU
110
B
THR
111
n
30
THR
111
B
GLN
112
n
31
GLN
112
B
TRP
113
n
32
TRP
113
B
ASP
114
n
33
ASP
114
B
GLY
115
n
34
GLY
115
B
SER
116
n
35
SER
116
B
GLU
117
n
36
GLU
117
B
LEU
118
n
37
LEU
118
B
PRO
119
n
38
PRO
119
B
ILE
120
n
39
ILE
120
B
TYR
121
n
40
TYR
121
B
ASP
122
n
41
ASP
122
B
ALA
123
n
42
ALA
123
B
LYS
124
n
43
LYS
124
B
PRO
125
n
44
PRO
125
B
LEU
126
n
45
LEU
126
B
GLN
127
n
46
GLN
127
B
ASP
128
n
47
ASP
128
B
ALA
129
n
48
ALA
129
B
LEU
130
n
49
LEU
130
B
VAL
131
n
50
VAL
131
B
GLU
132
n
51
GLU
132
B
TYR
133
n
52
TYR
133
B
PHE
134
n
53
PHE
134
B
GLY
135
n
54
GLY
135
B
THR
136
n
55
THR
136
B
GLU
137
n
56
GLU
137
B
GLN
138
n
57
GLN
138
B
ASP
139
n
58
ASP
139
B
ARG
140
n
59
ARG
140
B
ARG
141
n
60
ARG
141
B
HIS
142
n
61
HIS
142
B
TYR
143
n
62
TYR
143
B
PRO
144
n
63
PRO
144
B
ALA
145
n
64
ALA
145
B
PRO
146
n
65
PRO
146
B
GLY
147
n
66
GLY
147
B
SER
148
n
67
SER
148
B
PHE
149
n
68
PHE
149
B
ILE
150
n
69
ILE
150
B
VAL
151
n
70
VAL
151
B
CYS
152
n
71
CYS
152
B
ALA
153
n
72
ALA
153
B
ASN
154
n
73
ASN
154
B
LYS
155
n
74
LYS
155
B
GLY
156
n
75
GLY
156
B
VAL
157
n
76
VAL
157
B
THR
158
n
77
THR
158
B
ALA
159
n
78
ALA
159
B
GLU
160
n
79
GLU
160
B
ARG
161
n
80
ARG
161
B
PRO
162
n
81
PRO
162
B
LYS
163
n
82
LYS
163
B
ASN
164
n
83
ASN
164
B
ASP
165
n
84
ASP
165
B
ALA
166
n
85
ALA
166
B
ASP
167
n
86
ASP
167
B
MET
168
n
87
MET
168
B
LYS
169
n
88
LYS
169
B
PRO
170
n
89
PRO
170
B
GLY
171
n
90
GLY
171
B
GLN
172
n
91
GLN
172
B
GLY
173
n
92
GLY
173
B
TYR
174
n
93
TYR
174
B
GLY
175
n
94
GLY
175
B
VAL
176
n
95
VAL
176
B
TRP
177
n
96
TRP
177
B
SER
178
n
97
SER
178
B
ALA
179
n
98
ALA
179
B
ILE
180
n
99
ILE
180
B
ALA
181
n
100
ALA
181
B
ILE
182
n
101
ILE
182
B
SER
183
n
102
SER
183
B
PHE
184
n
103
PHE
184
B
ALA
185
n
104
ALA
185
B
LYS
186
n
105
LYS
186
B
ASP
187
n
106
ASP
187
B
PRO
188
n
107
PRO
188
B
THR
189
n
108
THR
189
B
LYS
190
n
109
LYS
190
B
ASP
191
n
110
ASP
191
B
SER
192
n
111
SER
192
B
SER
193
n
112
SER
193
B
MET
194
n
113
MET
194
B
PHE
195
n
114
PHE
195
B
VAL
196
n
115
VAL
196
B
GLU
197
n
116
GLU
197
B
ASP
198
n
117
ASP
198
B
ALA
199
n
118
ALA
199
B
GLY
200
n
119
GLY
200
B
VAL
201
n
120
VAL
201
B
TRP
202
n
121
TRP
202
B
GLU
203
n
122
GLU
203
B
THR
204
n
123
THR
204
B
PRO
205
n
124
PRO
205
B
ASN
206
n
125
ASN
206
B
GLU
207
n
126
GLU
207
B
ASP
208
n
127
ASP
208
B
GLU
209
n
128
GLU
209
B
LEU
210
n
129
LEU
210
B
LEU
211
n
130
LEU
211
B
GLU
212
n
131
GLU
212
B
TYR
213
n
132
TYR
213
B
LEU
214
n
133
LEU
214
B
GLU
215
n
134
GLU
215
B
GLY
216
n
135
GLY
216
B
ARG
217
n
136
ARG
217
B
ARG
218
n
137
ARG
218
B
LYS
219
n
138
LYS
219
B
ALA
220
n
139
ALA
220
B
MET
221
n
140
MET
221
B
ALA
222
n
141
ALA
222
B
LYS
223
n
142
LYS
223
B
SER
224
n
143
SER
224
B
ILE
225
n
144
ILE
225
B
ALA
226
n
145
ALA
226
B
GLU
227
n
146
GLU
227
B
CYS
228
n
147
CYS
228
B
GLY
229
n
148
GLY
229
B
GLN
230
n
149
GLN
230
B
ASP
231
n
150
ASP
231
B
ALA
232
n
151
ALA
232
B
HIS
233
n
152
HIS
233
B
ALA
234
n
153
ALA
234
B
SER
235
n
154
SER
235
B
PHE
236
n
155
PHE
236
B
GLU
237
n
156
GLU
237
B
SER
238
n
157
SER
238
B
SER
239
n
158
SER
239
B
TRP
240
n
159
TRP
240
B
ILE
241
n
160
ILE
241
B
GLY
242
n
161
GLY
242
B
PHE
243
n
162
PHE
243
B
ALA
244
n
163
ALA
244
B
TYR
245
n
164
TYR
245
B
THR
246
n
165
THR
246
B
MET
247
n
166
MET
247
B
MET
248
n
167
MET
248
B
GLU
249
n
168
GLU
249
B
PRO
250
n
169
PRO
250
B
GLY
251
n
170
GLY
251
B
GLN
252
n
171
GLN
252
B
ILE
253
n
172
ILE
253
B
GLY
254
n
173
GLY
254
B
ASN
255
n
174
ASN
255
B
ALA
256
n
175
ALA
256
B
ILE
257
n
176
ILE
257
B
THR
258
n
177
THR
258
B
VAL
259
n
178
VAL
259
B
ALA
260
n
179
ALA
260
B
PRO
261
n
180
PRO
261
B
TYR
262
n
181
TYR
262
B
VAL
263
n
182
VAL
263
B
SER
264
n
183
SER
264
B
LEU
265
n
184
LEU
265
B
PRO
266
n
185
PRO
266
B
ILE
267
n
186
ILE
267
B
ASP
268
n
187
ASP
268
B
SER
269
n
188
SER
269
B
ILE
270
n
189
ILE
270
B
PRO
271
n
190
PRO
271
B
GLY
272
n
191
GLY
272
B
GLY
273
n
192
GLY
273
B
SER
274
n
193
SER
274
B
ILE
275
n
194
ILE
275
B
LEU
276
n
195
LEU
276
B
THR
277
n
196
THR
277
B
PRO
278
n
197
PRO
278
B
ASP
279
n
198
ASP
279
B
LYS
280
n
199
LYS
280
B
ASP
281
n
200
ASP
281
B
MET
282
n
201
MET
282
B
GLU
283
n
202
GLU
283
B
ILE
284
n
203
ILE
284
B
MET
285
n
204
MET
285
B
GLU
286
n
205
GLU
286
B
ASN
287
n
206
ASN
287
B
LEU
288
n
207
LEU
288
B
THR
289
n
208
THR
289
B
MET
290
n
209
MET
290
B
PRO
291
n
210
PRO
291
B
GLU
292
n
211
GLU
292
B
TRP
293
n
212
TRP
293
B
LEU
294
n
213
LEU
294
B
GLU
295
n
214
GLU
295
B
LYS
296
n
215
LYS
296
B
MET
297
n
216
MET
297
B
GLY
298
n
217
GLY
298
B
TYR
299
n
218
TYR
299
B
LYS
300
n
219
LYS
300
B
SER
301
n
220
SER
301
B
LEU
302
n
221
LEU
302
B
SER
303
n
222
SER
303
B
ALA
304
n
223
ALA
304
B
ASN
305
n
224
ASN
305
B
ASN
306
n
225
ASN
306
B
ALA
307
n
226
ALA
307
B
LEU
308
n
227
LEU
308
B
LYS
309
n
228
LYS
309
B
TYR
310
n
229
TYR
310
B
SER
1
n
1
SER
1
C
GLU
2
n
2
GLU
2
C
LEU
3
n
3
LEU
3
C
ASP
4
n
4
ASP
4
C
ALA
5
n
5
ALA
5
C
LYS
6
n
6
LYS
6
C
LEU
7
n
7
LEU
7
C
ASN
8
n
8
ASN
8
C
LYS
9
n
9
LYS
9
C
LEU
10
n
10
LEU
10
C
GLY
11
n
11
GLY
11
C
VAL
12
n
12
VAL
12
C
ASP
13
n
13
ASP
13
C
ARG
14
n
14
ARG
14
C
ILE
15
n
15
ILE
15
C
ALA
16
n
16
ALA
16
C
ILE
17
n
17
ILE
17
C
SER
18
n
18
SER
18
C
PRO
19
n
19
PRO
19
C
TYR
20
n
20
TYR
20
C
LYS
21
n
21
LYS
21
C
GLN
22
n
22
GLN
22
C
TRP
23
n
23
TRP
23
C
THR
24
n
24
THR
24
C
ARG
25
n
25
ARG
25
C
GLY
26
n
26
GLY
26
C
TYR
27
n
27
TYR
27
C
MET
28
n
28
MET
28
C
GLU
29
n
29
GLU
29
C
PRO
30
n
30
PRO
30
C
GLY
31
n
31
GLY
31
C
ASN
32
n
32
ASN
32
C
ILE
33
n
33
ILE
33
C
GLY
34
n
34
GLY
34
C
ASN
35
n
35
ASN
35
C
GLY
36
n
36
GLY
36
C
TYR
37
n
37
TYR
37
C
VAL
38
n
38
VAL
38
C
THR
39
n
39
THR
39
C
GLY
40
n
40
GLY
40
C
LEU
41
n
41
LEU
41
C
LYS
42
n
42
LYS
42
C
VAL
43
n
43
VAL
43
C
ASP
44
n
44
ASP
44
C
ALA
45
n
45
ALA
45
C
GLY
46
n
46
GLY
46
C
VAL
47
n
47
VAL
47
C
ARG
48
n
48
ARG
48
C
ASP
49
n
49
ASP
49
C
n
50
50
C
n
51
51
C
n
52
52
C
n
53
53
C
n
54
54
C
n
55
55
C
n
56
56
C
n
57
57
C
n
58
58
C
n
59
59
C
n
60
60
C
n
61
61
C
n
62
62
C
n
63
63
C
ARG
64
n
64
ARG
64
C
ALA
65
n
65
ALA
65
C
GLU
66
n
66
GLU
66
C
THR
67
n
67
THR
67
C
LYS
68
n
68
LYS
68
C
ASN
69
n
69
ASN
69
C
ALA
70
n
70
ALA
70
C
TYR
71
n
71
TYR
71
C
ILE
72
n
72
ILE
72
C
GLY
73
n
73
GLY
73
C
GLN
74
n
74
GLN
74
C
ILE
75
n
75
ILE
75
C
ASN
76
n
76
ASN
76
C
MET
77
n
77
MET
77
C
THR
78
n
78
THR
78
C
THR
79
n
79
THR
79
C
ALA
80
n
80
ALA
80
C
SER
81
n
81
SER
81
C
PVL
82
n
1
PYR
82
D
PHE
83
n
2
PHE
83
D
THR
84
n
3
THR
84
D
GLY
85
n
4
GLY
85
D
VAL
86
n
5
VAL
86
D
GLN
87
n
6
GLN
87
D
GLY
88
n
7
GLY
88
D
ARG
89
n
8
ARG
89
D
VAL
90
n
9
VAL
90
D
ILE
91
n
10
ILE
91
D
GLY
92
n
11
GLY
92
D
TYR
93
n
12
TYR
93
D
ASP
94
n
13
ASP
94
D
ILE
95
n
14
ILE
95
D
LEU
96
n
15
LEU
96
D
ARG
97
n
16
ARG
97
D
SER
98
n
17
SER
98
D
PRO
99
n
18
PRO
99
D
GLU
100
n
19
GLU
100
D
VAL
101
n
20
VAL
101
D
ASP
102
n
21
ASP
102
D
LYS
103
n
22
LYS
103
D
ALA
104
n
23
ALA
104
D
LYS
105
n
24
LYS
105
D
PRO
106
n
25
PRO
106
D
LEU
107
n
26
LEU
107
D
PHE
108
n
27
PHE
108
D
THR
109
n
28
THR
109
D
GLU
110
n
29
GLU
110
D
THR
111
n
30
THR
111
D
GLN
112
n
31
GLN
112
D
TRP
113
n
32
TRP
113
D
ASP
114
n
33
ASP
114
D
GLY
115
n
34
GLY
115
D
SER
116
n
35
SER
116
D
GLU
117
n
36
GLU
117
D
LEU
118
n
37
LEU
118
D
PRO
119
n
38
PRO
119
D
ILE
120
n
39
ILE
120
D
TYR
121
n
40
TYR
121
D
ASP
122
n
41
ASP
122
D
ALA
123
n
42
ALA
123
D
LYS
124
n
43
LYS
124
D
PRO
125
n
44
PRO
125
D
LEU
126
n
45
LEU
126
D
GLN
127
n
46
GLN
127
D
ASP
128
n
47
ASP
128
D
ALA
129
n
48
ALA
129
D
LEU
130
n
49
LEU
130
D
VAL
131
n
50
VAL
131
D
GLU
132
n
51
GLU
132
D
TYR
133
n
52
TYR
133
D
PHE
134
n
53
PHE
134
D
GLY
135
n
54
GLY
135
D
THR
136
n
55
THR
136
D
GLU
137
n
56
GLU
137
D
GLN
138
n
57
GLN
138
D
ASP
139
n
58
ASP
139
D
ARG
140
n
59
ARG
140
D
ARG
141
n
60
ARG
141
D
HIS
142
n
61
HIS
142
D
TYR
143
n
62
TYR
143
D
PRO
144
n
63
PRO
144
D
ALA
145
n
64
ALA
145
D
PRO
146
n
65
PRO
146
D
GLY
147
n
66
GLY
147
D
SER
148
n
67
SER
148
D
PHE
149
n
68
PHE
149
D
ILE
150
n
69
ILE
150
D
VAL
151
n
70
VAL
151
D
CYS
152
n
71
CYS
152
D
ALA
153
n
72
ALA
153
D
ASN
154
n
73
ASN
154
D
LYS
155
n
74
LYS
155
D
GLY
156
n
75
GLY
156
D
VAL
157
n
76
VAL
157
D
THR
158
n
77
THR
158
D
ALA
159
n
78
ALA
159
D
GLU
160
n
79
GLU
160
D
ARG
161
n
80
ARG
161
D
PRO
162
n
81
PRO
162
D
LYS
163
n
82
LYS
163
D
ASN
164
n
83
ASN
164
D
ASP
165
n
84
ASP
165
D
ALA
166
n
85
ALA
166
D
ASP
167
n
86
ASP
167
D
MET
168
n
87
MET
168
D
LYS
169
n
88
LYS
169
D
PRO
170
n
89
PRO
170
D
GLY
171
n
90
GLY
171
D
GLN
172
n
91
GLN
172
D
GLY
173
n
92
GLY
173
D
TYR
174
n
93
TYR
174
D
GLY
175
n
94
GLY
175
D
VAL
176
n
95
VAL
176
D
TRP
177
n
96
TRP
177
D
SER
178
n
97
SER
178
D
ALA
179
n
98
ALA
179
D
ILE
180
n
99
ILE
180
D
ALA
181
n
100
ALA
181
D
ILE
182
n
101
ILE
182
D
SER
183
n
102
SER
183
D
PHE
184
n
103
PHE
184
D
ALA
185
n
104
ALA
185
D
LYS
186
n
105
LYS
186
D
ASP
187
n
106
ASP
187
D
PRO
188
n
107
PRO
188
D
THR
189
n
108
THR
189
D
LYS
190
n
109
LYS
190
D
ASP
191
n
110
ASP
191
D
SER
192
n
111
SER
192
D
SER
193
n
112
SER
193
D
MET
194
n
113
MET
194
D
PHE
195
n
114
PHE
195
D
VAL
196
n
115
VAL
196
D
GLU
197
n
116
GLU
197
D
ASP
198
n
117
ASP
198
D
ALA
199
n
118
ALA
199
D
GLY
200
n
119
GLY
200
D
VAL
201
n
120
VAL
201
D
TRP
202
n
121
TRP
202
D
GLU
203
n
122
GLU
203
D
THR
204
n
123
THR
204
D
PRO
205
n
124
PRO
205
D
ASN
206
n
125
ASN
206
D
GLU
207
n
126
GLU
207
D
ASP
208
n
127
ASP
208
D
GLU
209
n
128
GLU
209
D
LEU
210
n
129
LEU
210
D
LEU
211
n
130
LEU
211
D
GLU
212
n
131
GLU
212
D
TYR
213
n
132
TYR
213
D
LEU
214
n
133
LEU
214
D
GLU
215
n
134
GLU
215
D
GLY
216
n
135
GLY
216
D
ARG
217
n
136
ARG
217
D
ARG
218
n
137
ARG
218
D
LYS
219
n
138
LYS
219
D
ALA
220
n
139
ALA
220
D
MET
221
n
140
MET
221
D
ALA
222
n
141
ALA
222
D
LYS
223
n
142
LYS
223
D
SER
224
n
143
SER
224
D
ILE
225
n
144
ILE
225
D
ALA
226
n
145
ALA
226
D
GLU
227
n
146
GLU
227
D
CYS
228
n
147
CYS
228
D
GLY
229
n
148
GLY
229
D
GLN
230
n
149
GLN
230
D
ASP
231
n
150
ASP
231
D
ALA
232
n
151
ALA
232
D
HIS
233
n
152
HIS
233
D
ALA
234
n
153
ALA
234
D
SER
235
n
154
SER
235
D
PHE
236
n
155
PHE
236
D
GLU
237
n
156
GLU
237
D
SER
238
n
157
SER
238
D
SER
239
n
158
SER
239
D
TRP
240
n
159
TRP
240
D
ILE
241
n
160
ILE
241
D
GLY
242
n
161
GLY
242
D
PHE
243
n
162
PHE
243
D
ALA
244
n
163
ALA
244
D
TYR
245
n
164
TYR
245
D
THR
246
n
165
THR
246
D
MET
247
n
166
MET
247
D
MET
248
n
167
MET
248
D
GLU
249
n
168
GLU
249
D
PRO
250
n
169
PRO
250
D
GLY
251
n
170
GLY
251
D
GLN
252
n
171
GLN
252
D
ILE
253
n
172
ILE
253
D
GLY
254
n
173
GLY
254
D
ASN
255
n
174
ASN
255
D
ALA
256
n
175
ALA
256
D
ILE
257
n
176
ILE
257
D
THR
258
n
177
THR
258
D
VAL
259
n
178
VAL
259
D
ALA
260
n
179
ALA
260
D
PRO
261
n
180
PRO
261
D
TYR
262
n
181
TYR
262
D
VAL
263
n
182
VAL
263
D
SER
264
n
183
SER
264
D
LEU
265
n
184
LEU
265
D
PRO
266
n
185
PRO
266
D
ILE
267
n
186
ILE
267
D
ASP
268
n
187
ASP
268
D
SER
269
n
188
SER
269
D
ILE
270
n
189
ILE
270
D
PRO
271
n
190
PRO
271
D
GLY
272
n
191
GLY
272
D
GLY
273
n
192
GLY
273
D
SER
274
n
193
SER
274
D
ILE
275
n
194
ILE
275
D
LEU
276
n
195
LEU
276
D
THR
277
n
196
THR
277
D
PRO
278
n
197
PRO
278
D
ASP
279
n
198
ASP
279
D
LYS
280
n
199
LYS
280
D
ASP
281
n
200
ASP
281
D
MET
282
n
201
MET
282
D
GLU
283
n
202
GLU
283
D
ILE
284
n
203
ILE
284
D
MET
285
n
204
MET
285
D
GLU
286
n
205
GLU
286
D
ASN
287
n
206
ASN
287
D
LEU
288
n
207
LEU
288
D
THR
289
n
208
THR
289
D
MET
290
n
209
MET
290
D
PRO
291
n
210
PRO
291
D
GLU
292
n
211
GLU
292
D
TRP
293
n
212
TRP
293
D
LEU
294
n
213
LEU
294
D
GLU
295
n
214
GLU
295
D
LYS
296
n
215
LYS
296
D
MET
297
n
216
MET
297
D
GLY
298
n
217
GLY
298
D
TYR
299
n
218
TYR
299
D
LYS
300
n
219
LYS
300
D
SER
301
n
220
SER
301
D
LEU
302
n
221
LEU
302
D
SER
303
n
222
SER
303
D
ALA
304
n
223
ALA
304
D
ASN
305
n
224
ASN
305
D
ASN
306
n
225
ASN
306
D
ALA
307
n
226
ALA
307
D
LEU
308
n
227
LEU
308
D
LYS
309
n
228
LYS
309
D
TYR
310
n
229
TYR
310
D
SER
1
n
1
SER
1
E
GLU
2
n
2
GLU
2
E
LEU
3
n
3
LEU
3
E
ASP
4
n
4
ASP
4
E
ALA
5
n
5
ALA
5
E
LYS
6
n
6
LYS
6
E
LEU
7
n
7
LEU
7
E
ASN
8
n
8
ASN
8
E
LYS
9
n
9
LYS
9
E
LEU
10
n
10
LEU
10
E
GLY
11
n
11
GLY
11
E
VAL
12
n
12
VAL
12
E
ASP
13
n
13
ASP
13
E
ARG
14
n
14
ARG
14
E
ILE
15
n
15
ILE
15
E
ALA
16
n
16
ALA
16
E
ILE
17
n
17
ILE
17
E
SER
18
n
18
SER
18
E
PRO
19
n
19
PRO
19
E
TYR
20
n
20
TYR
20
E
LYS
21
n
21
LYS
21
E
GLN
22
n
22
GLN
22
E
TRP
23
n
23
TRP
23
E
THR
24
n
24
THR
24
E
ARG
25
n
25
ARG
25
E
GLY
26
n
26
GLY
26
E
TYR
27
n
27
TYR
27
E
MET
28
n
28
MET
28
E
GLU
29
n
29
GLU
29
E
PRO
30
n
30
PRO
30
E
GLY
31
n
31
GLY
31
E
ASN
32
n
32
ASN
32
E
ILE
33
n
33
ILE
33
E
GLY
34
n
34
GLY
34
E
ASN
35
n
35
ASN
35
E
GLY
36
n
36
GLY
36
E
TYR
37
n
37
TYR
37
E
VAL
38
n
38
VAL
38
E
THR
39
n
39
THR
39
E
GLY
40
n
40
GLY
40
E
LEU
41
n
41
LEU
41
E
LYS
42
n
42
LYS
42
E
VAL
43
n
43
VAL
43
E
ASP
44
n
44
ASP
44
E
ALA
45
n
45
ALA
45
E
GLY
46
n
46
GLY
46
E
VAL
47
n
47
VAL
47
E
ARG
48
n
48
ARG
48
E
ASP
49
n
49
ASP
49
E
LYS
50
n
50
LYS
50
E
SER
51
n
51
SER
51
E
n
52
52
E
n
53
53
E
n
54
54
E
n
55
55
E
n
56
56
E
n
57
57
E
n
58
58
E
n
59
59
E
n
60
60
E
n
61
61
E
n
62
62
E
ASP
63
n
63
ASP
63
E
ARG
64
n
64
ARG
64
E
ALA
65
n
65
ALA
65
E
GLU
66
n
66
GLU
66
E
THR
67
n
67
THR
67
E
LYS
68
n
68
LYS
68
E
ASN
69
n
69
ASN
69
E
ALA
70
n
70
ALA
70
E
TYR
71
n
71
TYR
71
E
ILE
72
n
72
ILE
72
E
GLY
73
n
73
GLY
73
E
GLN
74
n
74
GLN
74
E
ILE
75
n
75
ILE
75
E
ASN
76
n
76
ASN
76
E
MET
77
n
77
MET
77
E
THR
78
n
78
THR
78
E
THR
79
n
79
THR
79
E
ALA
80
n
80
ALA
80
E
SER
81
n
81
SER
81
E
PVL
82
n
1
PYR
82
F
PHE
83
n
2
PHE
83
F
THR
84
n
3
THR
84
F
GLY
85
n
4
GLY
85
F
VAL
86
n
5
VAL
86
F
GLN
87
n
6
GLN
87
F
GLY
88
n
7
GLY
88
F
ARG
89
n
8
ARG
89
F
VAL
90
n
9
VAL
90
F
ILE
91
n
10
ILE
91
F
GLY
92
n
11
GLY
92
F
TYR
93
n
12
TYR
93
F
ASP
94
n
13
ASP
94
F
ILE
95
n
14
ILE
95
F
LEU
96
n
15
LEU
96
F
ARG
97
n
16
ARG
97
F
SER
98
n
17
SER
98
F
PRO
99
n
18
PRO
99
F
GLU
100
n
19
GLU
100
F
VAL
101
n
20
VAL
101
F
ASP
102
n
21
ASP
102
F
LYS
103
n
22
LYS
103
F
ALA
104
n
23
ALA
104
F
LYS
105
n
24
LYS
105
F
PRO
106
n
25
PRO
106
F
LEU
107
n
26
LEU
107
F
PHE
108
n
27
PHE
108
F
THR
109
n
28
THR
109
F
GLU
110
n
29
GLU
110
F
THR
111
n
30
THR
111
F
GLN
112
n
31
GLN
112
F
TRP
113
n
32
TRP
113
F
ASP
114
n
33
ASP
114
F
GLY
115
n
34
GLY
115
F
SER
116
n
35
SER
116
F
GLU
117
n
36
GLU
117
F
LEU
118
n
37
LEU
118
F
PRO
119
n
38
PRO
119
F
ILE
120
n
39
ILE
120
F
TYR
121
n
40
TYR
121
F
ASP
122
n
41
ASP
122
F
ALA
123
n
42
ALA
123
F
LYS
124
n
43
LYS
124
F
PRO
125
n
44
PRO
125
F
LEU
126
n
45
LEU
126
F
GLN
127
n
46
GLN
127
F
ASP
128
n
47
ASP
128
F
ALA
129
n
48
ALA
129
F
LEU
130
n
49
LEU
130
F
VAL
131
n
50
VAL
131
F
GLU
132
n
51
GLU
132
F
TYR
133
n
52
TYR
133
F
PHE
134
n
53
PHE
134
F
GLY
135
n
54
GLY
135
F
THR
136
n
55
THR
136
F
GLU
137
n
56
GLU
137
F
GLN
138
n
57
GLN
138
F
ASP
139
n
58
ASP
139
F
ARG
140
n
59
ARG
140
F
ARG
141
n
60
ARG
141
F
HIS
142
n
61
HIS
142
F
TYR
143
n
62
TYR
143
F
PRO
144
n
63
PRO
144
F
ALA
145
n
64
ALA
145
F
PRO
146
n
65
PRO
146
F
GLY
147
n
66
GLY
147
F
SER
148
n
67
SER
148
F
PHE
149
n
68
PHE
149
F
ILE
150
n
69
ILE
150
F
VAL
151
n
70
VAL
151
F
CYS
152
n
71
CYS
152
F
ALA
153
n
72
ALA
153
F
ASN
154
n
73
ASN
154
F
LYS
155
n
74
LYS
155
F
GLY
156
n
75
GLY
156
F
VAL
157
n
76
VAL
157
F
THR
158
n
77
THR
158
F
ALA
159
n
78
ALA
159
F
GLU
160
n
79
GLU
160
F
ARG
161
n
80
ARG
161
F
PRO
162
n
81
PRO
162
F
LYS
163
n
82
LYS
163
F
ASN
164
n
83
ASN
164
F
ASP
165
n
84
ASP
165
F
ALA
166
n
85
ALA
166
F
ASP
167
n
86
ASP
167
F
MET
168
n
87
MET
168
F
LYS
169
n
88
LYS
169
F
PRO
170
n
89
PRO
170
F
GLY
171
n
90
GLY
171
F
GLN
172
n
91
GLN
172
F
GLY
173
n
92
GLY
173
F
TYR
174
n
93
TYR
174
F
GLY
175
n
94
GLY
175
F
VAL
176
n
95
VAL
176
F
TRP
177
n
96
TRP
177
F
SER
178
n
97
SER
178
F
ALA
179
n
98
ALA
179
F
ILE
180
n
99
ILE
180
F
ALA
181
n
100
ALA
181
F
ILE
182
n
101
ILE
182
F
SER
183
n
102
SER
183
F
PHE
184
n
103
PHE
184
F
ALA
185
n
104
ALA
185
F
LYS
186
n
105
LYS
186
F
ASP
187
n
106
ASP
187
F
PRO
188
n
107
PRO
188
F
THR
189
n
108
THR
189
F
LYS
190
n
109
LYS
190
F
ASP
191
n
110
ASP
191
F
SER
192
n
111
SER
192
F
SER
193
n
112
SER
193
F
MET
194
n
113
MET
194
F
PHE
195
n
114
PHE
195
F
VAL
196
n
115
VAL
196
F
GLU
197
n
116
GLU
197
F
ASP
198
n
117
ASP
198
F
ALA
199
n
118
ALA
199
F
GLY
200
n
119
GLY
200
F
VAL
201
n
120
VAL
201
F
TRP
202
n
121
TRP
202
F
GLU
203
n
122
GLU
203
F
THR
204
n
123
THR
204
F
PRO
205
n
124
PRO
205
F
ASN
206
n
125
ASN
206
F
GLU
207
n
126
GLU
207
F
ASP
208
n
127
ASP
208
F
GLU
209
n
128
GLU
209
F
LEU
210
n
129
LEU
210
F
LEU
211
n
130
LEU
211
F
GLU
212
n
131
GLU
212
F
TYR
213
n
132
TYR
213
F
LEU
214
n
133
LEU
214
F
GLU
215
n
134
GLU
215
F
GLY
216
n
135
GLY
216
F
ARG
217
n
136
ARG
217
F
ARG
218
n
137
ARG
218
F
LYS
219
n
138
LYS
219
F
ALA
220
n
139
ALA
220
F
MET
221
n
140
MET
221
F
ALA
222
n
141
ALA
222
F
LYS
223
n
142
LYS
223
F
SER
224
n
143
SER
224
F
ILE
225
n
144
ILE
225
F
ALA
226
n
145
ALA
226
F
GLU
227
n
146
GLU
227
F
CYS
228
n
147
CYS
228
F
GLY
229
n
148
GLY
229
F
GLN
230
n
149
GLN
230
F
ASP
231
n
150
ASP
231
F
ALA
232
n
151
ALA
232
F
HIS
233
n
152
HIS
233
F
ALA
234
n
153
ALA
234
F
SER
235
n
154
SER
235
F
PHE
236
n
155
PHE
236
F
GLU
237
n
156
GLU
237
F
SER
238
n
157
SER
238
F
SER
239
n
158
SER
239
F
TRP
240
n
159
TRP
240
F
ILE
241
n
160
ILE
241
F
GLY
242
n
161
GLY
242
F
PHE
243
n
162
PHE
243
F
ALA
244
n
163
ALA
244
F
TYR
245
n
164
TYR
245
F
THR
246
n
165
THR
246
F
MET
247
n
166
MET
247
F
MET
248
n
167
MET
248
F
GLU
249
n
168
GLU
249
F
PRO
250
n
169
PRO
250
F
GLY
251
n
170
GLY
251
F
GLN
252
n
171
GLN
252
F
ILE
253
n
172
ILE
253
F
GLY
254
n
173
GLY
254
F
ASN
255
n
174
ASN
255
F
ALA
256
n
175
ALA
256
F
ILE
257
n
176
ILE
257
F
THR
258
n
177
THR
258
F
VAL
259
n
178
VAL
259
F
ALA
260
n
179
ALA
260
F
PRO
261
n
180
PRO
261
F
TYR
262
n
181
TYR
262
F
VAL
263
n
182
VAL
263
F
SER
264
n
183
SER
264
F
LEU
265
n
184
LEU
265
F
PRO
266
n
185
PRO
266
F
ILE
267
n
186
ILE
267
F
ASP
268
n
187
ASP
268
F
SER
269
n
188
SER
269
F
ILE
270
n
189
ILE
270
F
PRO
271
n
190
PRO
271
F
GLY
272
n
191
GLY
272
F
GLY
273
n
192
GLY
273
F
SER
274
n
193
SER
274
F
ILE
275
n
194
ILE
275
F
LEU
276
n
195
LEU
276
F
THR
277
n
196
THR
277
F
PRO
278
n
197
PRO
278
F
ASP
279
n
198
ASP
279
F
LYS
280
n
199
LYS
280
F
ASP
281
n
200
ASP
281
F
MET
282
n
201
MET
282
F
GLU
283
n
202
GLU
283
F
ILE
284
n
203
ILE
284
F
MET
285
n
204
MET
285
F
GLU
286
n
205
GLU
286
F
ASN
287
n
206
ASN
287
F
LEU
288
n
207
LEU
288
F
THR
289
n
208
THR
289
F
MET
290
n
209
MET
290
F
PRO
291
n
210
PRO
291
F
GLU
292
n
211
GLU
292
F
TRP
293
n
212
TRP
293
F
LEU
294
n
213
LEU
294
F
GLU
295
n
214
GLU
295
F
LYS
296
n
215
LYS
296
F
MET
297
n
216
MET
297
F
GLY
298
n
217
GLY
298
F
TYR
299
n
218
TYR
299
F
LYS
300
n
219
LYS
300
F
SER
301
n
220
SER
301
F
LEU
302
n
221
LEU
302
F
SER
303
n
222
SER
303
F
ALA
304
n
223
ALA
304
F
ASN
305
n
224
ASN
305
F
ASN
306
n
225
ASN
306
F
ALA
307
n
226
ALA
307
F
LEU
308
n
227
LEU
308
F
LYS
309
n
228
LYS
309
F
TYR
310
n
229
TYR
310
F
author_and_software_defined_assembly
PQS
12
dodecameric
software_defined_assembly
PISA
6
hexameric
25900
-119
32670
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
3_555
-x,y,-z+1/2
crystal symmetry operation
0.0000000000
0.0000000000
101.9010000000
A
O
ILE
17
A
O
ILE
17
A
N
ILE
33
A
N
ILE
33
A
O
GLN
74
A
O
GLN
74
B
N
GLY
147
B
N
GLY
66
B
O
ARG
161
B
O
ARG
80
B
N
GLY
251
B
N
GLY
170
B
O
VAL
263
B
O
VAL
182
A
N
VAL
38
A
N
VAL
38
A
N
THR
39
A
N
THR
39
B
O
ARG
89
B
O
ARG
8
B
O3
PYR
82
B
O3
PYR
1
B
N
PHE
195
B
N
PHE
114
B
O
TRP
202
B
O
TRP
121
B
N
TYR
174
B
N
TYR
93
B
N
PHE
184
B
N
PHE
103
B
O
SER
238
B
O
SER
157
B
N
SER
239
B
N
SER
158
B
O
PRO
119
B
O
PRO
38
B
O
LEU
118
B
O
LEU
37
B
N
GLU
110
B
N
GLU
29
B
O
THR
136
B
O
THR
55
B
N
ASP
139
B
N
ASP
58
C
O
ILE
17
C
O
ILE
17
C
N
ILE
33
C
N
ILE
33
C
O
GLN
74
C
O
GLN
74
D
N
GLY
147
D
N
GLY
66
D
O
ARG
161
D
O
ARG
80
D
N
GLY
251
D
N
GLY
170
D
O
VAL
263
D
O
VAL
182
C
N
VAL
38
C
N
VAL
38
C
N
THR
39
C
N
THR
39
D
O
ARG
89
D
O
ARG
8
D
O3
PYR
82
D
O3
PYR
1
D
N
PHE
195
D
N
PHE
114
D
O
TRP
202
D
O
TRP
121
D
N
TYR
174
D
N
TYR
93
D
N
PHE
184
D
N
PHE
103
D
O
SER
238
D
O
SER
157
D
N
SER
239
D
N
SER
158
D
O
PRO
119
D
O
PRO
38
D
O
LEU
118
D
O
LEU
37
D
N
GLU
110
D
N
GLU
29
D
O
THR
136
D
O
THR
55
D
N
ASP
139
D
N
ASP
58
E
O
ILE
17
E
O
ILE
17
E
N
ILE
33
E
N
ILE
33
E
O
GLN
74
E
O
GLN
74
F
N
GLY
147
F
N
GLY
66
F
O
ARG
161
F
O
ARG
80
F
N
GLY
251
F
N
GLY
170
F
O
VAL
263
F
O
VAL
182
E
N
VAL
38
E
N
VAL
38
E
N
THR
39
E
N
THR
39
F
O
ARG
89
F
O
ARG
8
F
O3
PYR
82
F
O3
PYR
1
F
N
PHE
195
F
N
PHE
114
F
O
TRP
202
F
O
TRP
121
F
N
TYR
174
F
N
TYR
93
F
N
PHE
184
F
N
PHE
103
F
O
SER
238
F
O
SER
157
F
N
SER
239
F
N
SER
158
F
O
PRO
119
F
O
PRO
38
F
O
LEU
118
F
O
LEU
37
F
N
GLU
110
F
N
GLU
29
F
O
THR
136
F
O
THR
55
F
N
ASP
139
F
N
ASP
58
1
A
CG1
VAL
47
A
CG1
VAL
47
1
Y
1
A
CG2
VAL
47
A
CG2
VAL
47
1
Y
1
C
CG1
VAL
47
C
CG1
VAL
47
1
Y
1
C
CG2
VAL
47
C
CG2
VAL
47
1
Y
1
C
CG
ARG
48
C
CG
ARG
48
1
Y
1
C
CD
ARG
48
C
CD
ARG
48
1
Y
1
C
NE
ARG
48
C
NE
ARG
48
1
Y
1
C
CZ
ARG
48
C
CZ
ARG
48
1
Y
1
C
NH1
ARG
48
C
NH1
ARG
48
1
Y
1
C
NH2
ARG
48
C
NH2
ARG
48
1
Y
1
E
CG
ASP
49
E
CG
ASP
49
1
Y
1
E
OD1
ASP
49
E
OD1
ASP
49
1
Y
1
E
OD2
ASP
49
E
OD2
ASP
49
1
Y
1
E
CG
LYS
50
E
CG
LYS
50
1
Y
1
E
CD
LYS
50
E
CD
LYS
50
1
Y
1
E
CE
LYS
50
E
CE
LYS
50
1
Y
1
E
NZ
LYS
50
E
NZ
LYS
50
1
Y
1
E
OG
SER
51
E
OG
SER
51
1
Y
1
A
ARG
48
A
ARG
48
1
Y
1
A
ASP
49
A
ASP
49
1
Y
1
A
LYS
50
A
LYS
50
1
Y
1
A
SER
51
A
SER
51
1
Y
1
A
ASP
52
A
ASP
52
1
Y
1
A
ASN
53
A
ASN
53
1
Y
1
A
ASN
54
A
ASN
54
1
Y
1
A
VAL
55
A
VAL
55
1
Y
1
A
LEU
56
A
LEU
56
1
Y
1
A
ASP
57
A
ASP
57
1
Y
1
A
GLY
58
A
GLY
58
1
Y
1
A
ILE
59
A
ILE
59
1
Y
1
A
VAL
60
A
VAL
60
1
Y
1
A
SER
61
A
SER
61
1
Y
1
A
TYR
62
A
TYR
62
1
Y
1
A
ASP
63
A
ASP
63
1
Y
1
C
LYS
50
C
LYS
50
1
Y
1
C
SER
51
C
SER
51
1
Y
1
C
ASP
52
C
ASP
52
1
Y
1
C
ASN
53
C
ASN
53
1
Y
1
C
ASN
54
C
ASN
54
1
Y
1
C
VAL
55
C
VAL
55
1
Y
1
C
LEU
56
C
LEU
56
1
Y
1
C
ASP
57
C
ASP
57
1
Y
1
C
GLY
58
C
GLY
58
1
Y
1
C
ILE
59
C
ILE
59
1
Y
1
C
VAL
60
C
VAL
60
1
Y
1
C
SER
61
C
SER
61
1
Y
1
C
TYR
62
C
TYR
62
1
Y
1
C
ASP
63
C
ASP
63
1
Y
1
E
ASP
52
E
ASP
52
1
Y
1
E
ASN
53
E
ASN
53
1
Y
1
E
ASN
54
E
ASN
54
1
Y
1
E
VAL
55
E
VAL
55
1
Y
1
E
LEU
56
E
LEU
56
1
Y
1
E
ASP
57
E
ASP
57
1
Y
1
E
GLY
58
E
GLY
58
1
Y
1
E
ILE
59
E
ILE
59
1
Y
1
E
VAL
60
E
VAL
60
1
Y
1
E
SER
61
E
SER
61
1
Y
1
E
TYR
62
E
TYR
62
1
Y
1
B
B
ARG
PRO
161
162
-137.56
1
D
D
ARG
PRO
161
162
-134.31
1
F
F
ARG
PRO
161
162
-135.43
1
-5.08
0.60
121.00
115.92
A
A
A
CB
CG
CD2
TYR
TYR
TYR
20
20
20
N
1
6.10
0.80
106.30
112.40
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
23
23
23
N
1
-6.45
0.80
107.30
100.85
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
23
23
23
N
1
5.55
0.90
133.90
139.45
A
A
A
CG
CD2
CE3
TRP
TRP
TRP
23
23
23
N
1
25.19
1.40
123.60
148.79
A
A
A
CD
NE
CZ
ARG
ARG
ARG
25
25
25
N
1
11.81
0.50
120.30
132.11
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
1
-15.13
0.50
120.30
105.17
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
25
25
25
N
1
5.57
0.80
106.30
111.87
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
113
113
113
N
1
-5.46
0.80
107.30
101.84
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
113
113
113
N
1
-5.06
0.50
120.30
115.24
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
141
141
141
N
1
-3.81
0.60
121.00
117.19
B
B
B
CB
CG
CD1
TYR
TYR
TYR
174
174
174
N
1
6.46
0.80
106.30
112.76
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
177
177
177
N
1
-5.75
0.80
107.30
101.55
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
177
177
177
N
1
6.02
0.80
106.30
112.32
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
202
202
202
N
1
-6.17
0.80
107.30
101.13
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
202
202
202
N
1
5.49
0.90
133.90
139.39
B
B
B
CG
CD2
CE3
TRP
TRP
TRP
202
202
202
N
1
-9.24
1.40
111.70
102.46
B
B
B
CA
N
CD
PRO
PRO
PRO
205
205
205
N
1
10.37
1.40
123.60
133.97
B
B
B
CD
NE
CZ
ARG
ARG
ARG
217
217
217
N
1
-7.22
0.50
120.30
113.08
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
217
217
217
N
1
4.13
0.50
120.30
124.43
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
217
217
217
N
1
4.88
0.80
106.30
111.18
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
240
240
240
N
1
4.52
0.60
121.00
125.52
B
B
B
CB
CG
CD2
TYR
TYR
TYR
245
245
245
N
1
-5.31
0.60
121.00
115.69
B
B
B
CB
CG
CD1
TYR
TYR
TYR
245
245
245
N
1
10.33
1.50
119.30
129.63
B
B
B
C
N
CA
GLU
PRO
PRO
249
250
250
Y
1
-13.45
1.40
111.70
98.25
B
B
B
CA
N
CD
PRO
PRO
PRO
250
250
250
N
1
24.51
2.60
112.10
136.61
B
B
B
N
CA
C
PRO
PRO
PRO
250
250
250
N
1
5.45
0.80
106.30
111.75
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
293
293
293
N
1
-6.02
0.80
107.30
101.28
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
293
293
293
N
1
-3.87
0.60
121.00
117.13
C
C
C
CB
CG
CD2
TYR
TYR
TYR
20
20
20
N
1
5.65
0.80
106.30
111.95
C
C
C
CD1
CG
CD2
TRP
TRP
TRP
23
23
23
N
1
-5.52
0.80
107.30
101.78
C
C
C
CE2
CD2
CG
TRP
TRP
TRP
23
23
23
N
1
8.63
1.40
123.60
132.23
C
C
C
CD
NE
CZ
ARG
ARG
ARG
25
25
25
N
1
-6.30
0.50
120.30
114.00
C
C
C
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
1
3.69
0.50
120.30
123.99
C
C
C
NE
CZ
NH2
ARG
ARG
ARG
25
25
25
N
1
6.31
0.80
106.30
112.61
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
113
113
113
N
1
-5.88
0.80
107.30
101.42
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
113
113
113
N
1
-4.14
0.50
120.30
116.16
D
D
D
NE
CZ
NH1
ARG
ARG
ARG
141
141
141
N
1
-4.08
0.60
121.00
116.92
D
D
D
CB
CG
CD1
TYR
TYR
TYR
174
174
174
N
1
6.85
0.80
106.30
113.15
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
177
177
177
N
1
-6.17
0.80
107.30
101.13
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
177
177
177
N
1
6.29
0.80
106.30
112.59
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
202
202
202
N
1
-8.36
1.30
127.00
118.64
D
D
D
CB
CG
CD1
TRP
TRP
TRP
202
202
202
N
1
-6.40
0.80
107.30
100.90
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
202
202
202
N
1
-8.48
1.40
111.70
103.22
D
D
D
CA
N
CD
PRO
PRO
PRO
205
205
205
N
1
24.74
1.40
123.60
148.34
D
D
D
CD
NE
CZ
ARG
ARG
ARG
217
217
217
N
1
12.80
0.50
120.30
133.10
D
D
D
NE
CZ
NH1
ARG
ARG
ARG
217
217
217
N
1
-12.96
0.50
120.30
107.34
D
D
D
NE
CZ
NH2
ARG
ARG
ARG
217
217
217
N
1
5.29
0.80
106.30
111.59
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
240
240
240
N
1
-5.69
0.80
107.30
101.61
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
240
240
240
N
1
3.88
0.60
121.00
124.88
D
D
D
CB
CG
CD2
TYR
TYR
TYR
245
245
245
N
1
-3.70
0.60
121.00
117.30
D
D
D
CB
CG
CD1
TYR
TYR
TYR
245
245
245
N
1
10.18
1.50
119.30
129.48
D
D
D
C
N
CA
GLU
PRO
PRO
249
250
250
Y
1
-13.01
1.40
111.70
98.69
D
D
D
CA
N
CD
PRO
PRO
PRO
250
250
250
N
1
23.72
2.60
112.10
135.82
D
D
D
N
CA
C
PRO
PRO
PRO
250
250
250
N
1
6.42
0.80
106.30
112.72
D
D
D
CD1
CG
CD2
TRP
TRP
TRP
293
293
293
N
1
-6.20
0.80
107.30
101.10
D
D
D
CE2
CD2
CG
TRP
TRP
TRP
293
293
293
N
1
-4.13
0.60
121.00
116.87
E
E
E
CB
CG
CD2
TYR
TYR
TYR
20
20
20
N
1
6.59
0.80
106.30
112.89
E
E
E
CD1
CG
CD2
TRP
TRP
TRP
23
23
23
N
1
-5.92
0.80
107.30
101.38
E
E
E
CE2
CD2
CG
TRP
TRP
TRP
23
23
23
N
1
6.21
0.90
133.90
140.11
E
E
E
CG
CD2
CE3
TRP
TRP
TRP
23
23
23
N
1
9.46
1.40
123.60
133.06
E
E
E
CD
NE
CZ
ARG
ARG
ARG
25
25
25
N
1
-7.53
0.50
120.30
112.77
E
E
E
NE
CZ
NH1
ARG
ARG
ARG
25
25
25
N
1
5.18
0.50
120.30
125.48
E
E
E
NE
CZ
NH2
ARG
ARG
ARG
25
25
25
N
1
19.73
2.70
111.00
130.73
E
E
E
N
CA
C
LYS
LYS
LYS
50
50
50
N
1
-3.57
0.50
120.30
116.73
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
97
97
97
N
1
6.83
0.80
106.30
113.13
F
F
F
CD1
CG
CD2
TRP
TRP
TRP
113
113
113
N
1
-8.09
1.30
127.00
118.91
F
F
F
CB
CG
CD1
TRP
TRP
TRP
113
113
113
N
1
-6.42
0.80
107.30
100.88
F
F
F
CE2
CD2
CG
TRP
TRP
TRP
113
113
113
N
1
-3.45
0.50
120.30
116.85
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
141
141
141
N
1
-4.52
0.60
121.00
116.48
F
F
F
CB
CG
CD1
TYR
TYR
TYR
174
174
174
N
1
7.11
0.80
106.30
113.41
F
F
F
CD1
CG
CD2
TRP
TRP
TRP
177
177
177
N
1
-6.45
0.80
107.30
100.85
F
F
F
CE2
CD2
CG
TRP
TRP
TRP
177
177
177
N
1
6.43
0.80
106.30
112.73
F
F
F
CD1
CG
CD2
TRP
TRP
TRP
202
202
202
N
1
-8.43
1.30
127.00
118.57
F
F
F
CB
CG
CD1
TRP
TRP
TRP
202
202
202
N
1
-6.71
0.80
107.30
100.59
F
F
F
CE2
CD2
CG
TRP
TRP
TRP
202
202
202
N
1
5.63
0.90
133.90
139.53
F
F
F
CG
CD2
CE3
TRP
TRP
TRP
202
202
202
N
1
-8.78
1.40
111.70
102.92
F
F
F
CA
N
CD
PRO
PRO
PRO
205
205
205
N
1
-4.18
0.60
121.00
116.82
F
F
F
CB
CG
CD2
TYR
TYR
TYR
213
213
213
N
1
11.57
1.40
123.60
135.17
F
F
F
CD
NE
CZ
ARG
ARG
ARG
217
217
217
N
1
-4.41
0.50
120.30
115.89
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
217
217
217
N
1
3.84
0.50
120.30
124.14
F
F
F
NE
CZ
NH2
ARG
ARG
ARG
217
217
217
N
1
-3.11
0.50
120.30
117.19
F
F
F
NE
CZ
NH1
ARG
ARG
ARG
218
218
218
N
1
5.66
0.80
106.30
111.96
F
F
F
CD1
CG
CD2
TRP
TRP
TRP
240
240
240
N
1
-5.04
0.80
107.30
102.26
F
F
F
CE2
CD2
CG
TRP
TRP
TRP
240
240
240
N
1
4.51
0.60
121.00
125.51
F
F
F
CB
CG
CD2
TYR
TYR
TYR
245
245
245
N
1
-5.35
0.60
121.00
115.65
F
F
F
CB
CG
CD1
TYR
TYR
TYR
245
245
245
N
1
10.72
1.50
119.30
130.02
F
F
F
C
N
CA
GLU
PRO
PRO
249
250
250
Y
1
-13.29
1.40
111.70
98.41
F
F
F
CA
N
CD
PRO
PRO
PRO
250
250
250
N
1
24.58
2.60
112.10
136.68
F
F
F
N
CA
C
PRO
PRO
PRO
250
250
250
N
1
7.01
0.80
106.30
113.31
F
F
F
CD1
CG
CD2
TRP
TRP
TRP
293
293
293
N
1
-5.76
0.80
107.30
101.54
F
F
F
CE2
CD2
CG
TRP
TRP
TRP
293
293
293
N
1
B
B
NE2
CD2
HIS
HIS
142
142
-0.069
0.011
1.373
1.304
N
1
D
D
NE2
CD2
HIS
HIS
233
233
-0.068
0.011
1.373
1.305
N
1
F
F
NE2
CD2
HIS
HIS
142
142
-0.069
0.011
1.373
1.304
N
1
F
F
NE2
CD2
HIS
HIS
233
233
-0.067
0.011
1.373
1.306
N
1
A
ARG
14
-140.41
43.23
1
A
ALA
16
-152.47
88.43
1
A
PRO
19
-91.94
37.74
1
A
GLN
22
68.21
-47.74
1
A
MET
28
90.38
-17.90
1
A
ALA
65
-84.98
-71.32
1
A
ASN
69
54.95
-103.82
1
B
ALA
104
-56.50
175.39
1
B
PHE
108
-167.41
-165.25
1
B
ARG
141
-118.46
-104.31
1
B
HIS
142
-113.68
76.33
1
B
PRO
146
-39.75
104.14
1
B
PHE
149
-114.04
77.34
1
B
ASN
164
-168.32
-50.56
1
B
ASP
165
-29.45
85.49
1
B
PRO
170
-32.03
-39.37
1
B
GLU
237
-143.33
-36.25
1
B
GLU
249
-150.19
-155.66
1
B
PRO
250
39.90
-1.37
1
B
ASP
268
-69.62
2.65
1
B
ALA
304
32.19
-97.15
1
B
ASN
305
-111.11
71.95
1
B
ASN
306
48.85
12.18
1
B
ALA
307
-62.03
2.73
1
C
GLU
2
-38.93
-38.16
1
C
PRO
19
-92.25
38.52
1
C
GLN
22
68.19
-48.63
1
C
MET
28
89.26
-17.92
1
C
ALA
65
-84.71
-70.71
1
C
ASN
69
53.14
-104.45
1
D
ALA
104
-55.91
175.26
1
D
PHE
108
-167.37
-163.06
1
D
ARG
141
-118.37
-105.30
1
D
HIS
142
-113.03
75.75
1
D
PRO
146
-38.18
103.64
1
D
PHE
149
-114.54
77.61
1
D
ASN
164
-166.69
-50.02
1
D
ASP
165
-29.41
84.13
1
D
PRO
170
-32.87
-38.10
1
D
GLU
237
-144.25
-36.08
1
D
GLU
249
-149.70
-154.72
1
D
PRO
250
39.82
-1.45
1
D
ASP
268
-68.70
2.74
1
D
ALA
304
32.94
-97.34
1
D
ASN
305
-111.34
72.92
1
D
ASN
306
47.56
12.49
1
D
ALA
307
-63.04
3.56
1
E
GLU
2
-38.30
-38.33
1
E
ALA
16
-152.70
89.40
1
E
PRO
19
-92.69
38.78
1
E
GLN
22
68.01
-48.32
1
E
MET
28
90.01
-17.19
1
E
LYS
50
-14.23
149.91
1
E
ASN
69
53.52
-105.11
1
F
ALA
104
-55.44
174.49
1
F
PHE
108
-168.24
-165.56
1
F
ARG
141
-118.36
-104.64
1
F
HIS
142
-113.01
76.21
1
F
PRO
146
-38.97
102.91
1
F
PHE
149
-114.95
77.14
1
F
ASN
164
-167.88
-49.22
1
F
ASP
165
-31.18
84.82
1
F
PRO
170
-30.93
-38.36
1
F
GLU
237
-144.38
-35.13
1
F
GLU
249
-150.21
-155.11
1
F
PRO
250
38.66
-0.92
1
F
ASP
268
-68.85
3.40
1
F
ALA
304
33.28
-96.84
1
F
ASN
305
-111.60
72.63
1
F
ASN
306
47.15
12.60
1
F
ALA
307
-62.49
2.51
0.3296
0.27
0.273
3.1
10.
832
17467
17143
RANDOM
1
THROUGHOUT
2.
MOLECULAR REPLACEMENT
PDB ENTRY 1PYA
ENGH & HUBER
3.1
10.
0
6856
0
0
6856
0.016
3.42
3.1
10.000
1IBU
17480
17480
0.000
0.079
1
11.8000
3.300
81.8
0.414
3.1
3.21
1
3.50
88.6
model building
X-PLOR
refinement
X-PLOR
3.851
data reduction
DENZO
data scaling
SCALEPACK
phasing
X-PLOR
STRUCTURE OF THE D53,54N MUTANT OF HISTIDINE DECARBOXYLASE AT 25 C
1
N
N
2
N
N
1
N
N
2
N
N
1
N
N
2
N
N
The biological assembly is a hexamer generated by applying a crystallographic two-fold to the trimer in the asymmetric unit: -x, y, -z + 1/2
A
SER
1
A
SER
1
HELX_P
A
LYS
9
A
LYS
9
1
1
9
B
PRO
99
B
PRO
18
HELX_P
B
ALA
104
B
ALA
23
1
2
6
B
ALA
123
B
ALA
42
HELX_P
B
GLY
135
B
GLY
54
1
3
13
B
ASN
206
B
ASN
125
HELX_P
B
HIS
233
B
HIS
152
1
4
28
B
ASP
268
B
ASP
187
HELX_P
B
ILE
270
B
ILE
189
5
5
3
B
THR
277
B
THR
196
HELX_P
B
LEU
288
B
LEU
207
1
6
12
B
THR
289
B
THR
208
HELX_P
B
GLY
298
B
GLY
217
1
7
10
C
SER
1
C
SER
1
HELX_P
C
LYS
9
C
LYS
9
1
8
9
D
PRO
99
D
PRO
18
HELX_P
D
ALA
104
D
ALA
23
1
9
6
D
ALA
123
D
ALA
42
HELX_P
D
GLY
135
D
GLY
54
1
10
13
D
ASN
206
D
ASN
125
HELX_P
D
HIS
233
D
HIS
152
1
11
28
D
ASP
268
D
ASP
187
HELX_P
D
ILE
270
D
ILE
189
5
12
3
D
THR
277
D
THR
196
HELX_P
D
LEU
288
D
LEU
207
1
13
12
D
THR
289
D
THR
208
HELX_P
D
GLY
298
D
GLY
217
1
14
10
E
SER
1
E
SER
1
HELX_P
E
LYS
9
E
LYS
9
1
15
9
F
PRO
99
F
PRO
18
HELX_P
F
ALA
104
F
ALA
23
1
16
6
F
ALA
123
F
ALA
42
HELX_P
F
GLY
135
F
GLY
54
1
17
13
F
ASN
206
F
ASN
125
HELX_P
F
GLY
229
F
GLY
148
1
18
24
F
ASP
268
F
ASP
187
HELX_P
F
ILE
270
F
ILE
189
5
19
3
F
THR
277
F
THR
196
HELX_P
F
LEU
288
F
LEU
207
1
20
12
F
THR
289
F
THR
208
HELX_P
F
GLY
298
F
GLY
217
1
21
10
covale
1.332
both
B
PYR
82
B
C
PYR
1
1_555
B
PHE
83
B
N
PHE
2
1_555
covale
1.326
both
D
PYR
82
D
C
PYR
1
1_555
D
PHE
83
D
N
PHE
2
1_555
covale
1.332
both
F
PYR
82
F
C
PYR
1
1_555
F
PHE
83
F
N
PHE
2
1_555
LYASE
HELIX DISORDER, LESS ACTIVE FORM, SITE-DIRECTED MUTANT, PYRUVOYL, CARBOXY-LYASE, LYASE
DCHS_LACS3
UNP
1
1
P00862
SELDAKLNKLGVDRIAISPYKQWTRGYMEPGNIGNGYVTGLKVDAGVRDKSDDDVLDGIVSYDRAETKNAYIGQINMTTA
S
DCHS_LACS3
UNP
2
82
P00862
SFTGVQGRVIGYDILRSPEVDKAKPLFTETQWDGSELPIYDAKPLQDALVEYFGTEQDRRHYPAPGSFIVCANKGVTAER
PKNDADMKPGQGYGVWSAIAISFAKDPTKDSSMFVEDAGVWETPNEDELLEYLEGRRKAMAKSIAECGQDAHASFESSWI
GFAYTMMEPGQIGNAITVAPYVSLPIDSIPGGSILTPDKDMEIMENLTMPEWLEKMGYKSLSANNALKY
1
81
1IBU
1
81
P00862
A
1
1
81
1
81
1IBU
1
81
P00862
C
1
1
81
1
81
1IBU
1
81
P00862
E
1
1
81
82
310
1IBU
82
310
P00862
B
2
1
229
82
310
1IBU
82
310
P00862
D
2
1
229
82
310
1IBU
82
310
P00862
F
2
1
229
1
ASP
engineered mutation
ASN
53
1IBU
A
P00862
UNP
53
53
1
ASP
engineered mutation
ASN
54
1IBU
A
P00862
UNP
54
54
2
ASP
engineered mutation
ASN
53
1IBU
C
P00862
UNP
53
53
2
ASP
engineered mutation
ASN
54
1IBU
C
P00862
UNP
54
54
3
ASP
engineered mutation
ASN
53
1IBU
E
P00862
UNP
53
53
3
ASP
engineered mutation
ASN
54
1IBU
E
P00862
UNP
54
54
4
SER
modified residue
PYR
82
1IBU
B
P00862
UNP
82
1
5
SER
modified residue
PYR
82
1IBU
D
P00862
UNP
82
1
6
SER
modified residue
PYR
82
1IBU
F
P00862
UNP
82
1
2
5
6
2
2
5
6
2
2
5
6
2
anti-parallel
parallel
anti-parallel
parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
A
ALA
16
A
ALA
16
A
SER
18
A
SER
18
A
ASN
32
A
ASN
32
A
GLY
34
A
GLY
34
A
GLN
74
A
GLN
74
A
ALA
80
A
ALA
80
B
GLY
147
B
GLY
66
B
ARG
161
B
ARG
80
B
GLY
251
B
GLY
170
B
LEU
265
B
LEU
184
A
TYR
37
A
TYR
37
A
VAL
47
A
VAL
47
B
ARG
89
B
ARG
8
B
ILE
91
B
ILE
10
B
PYR
82
B
PYR
1
B
THR
84
B
THR
3
B
SER
193
B
SER
112
B
TRP
202
B
TRP
121
B
TYR
174
B
TYR
93
B
PHE
184
B
PHE
103
B
SER
238
B
SER
157
B
MET
248
B
MET
167
B
GLY
115
B
GLY
34
B
ALA
123
B
ALA
42
B
THR
109
B
THR
28
B
GLN
112
B
GLN
31
B
PHE
134
B
PHE
53
B
THR
136
B
THR
55
B
ASP
139
B
ASP
58
B
ARG
141
B
ARG
60
C
ALA
16
C
ALA
16
C
SER
18
C
SER
18
C
ASN
32
C
ASN
32
C
GLY
34
C
GLY
34
C
GLN
74
C
GLN
74
C
ALA
80
C
ALA
80
D
GLY
147
D
GLY
66
D
ARG
161
D
ARG
80
D
GLY
251
D
GLY
170
D
LEU
265
D
LEU
184
C
TYR
37
C
TYR
37
C
ASP
49
C
ASP
49
D
ARG
89
D
ARG
8
D
ILE
91
D
ILE
10
D
PYR
82
D
PYR
1
D
THR
84
D
THR
3
D
SER
193
D
SER
112
D
TRP
202
D
TRP
121
D
TYR
174
D
TYR
93
D
PHE
184
D
PHE
103
D
SER
238
D
SER
157
D
MET
248
D
MET
167
D
GLY
115
D
GLY
34
D
ALA
123
D
ALA
42
D
THR
109
D
THR
28
D
GLN
112
D
GLN
31
D
PHE
134
D
PHE
53
D
THR
136
D
THR
55
D
ASP
139
D
ASP
58
D
ARG
141
D
ARG
60
E
ALA
16
E
ALA
16
E
SER
18
E
SER
18
E
ASN
32
E
ASN
32
E
GLY
34
E
GLY
34
E
GLN
74
E
GLN
74
E
ALA
80
E
ALA
80
F
GLY
147
F
GLY
66
F
ARG
161
F
ARG
80
F
GLY
251
F
GLY
170
F
LEU
265
F
LEU
184
E
TYR
37
E
TYR
37
E
LYS
50
E
LYS
50
F
ARG
89
F
ARG
8
F
ILE
91
F
ILE
10
F
PYR
82
F
PYR
1
F
THR
84
F
THR
3
F
SER
193
F
SER
112
F
TRP
202
F
TRP
121
F
TYR
174
F
TYR
93
F
PHE
184
F
PHE
103
F
SER
238
F
SER
157
F
MET
248
F
MET
167
F
GLY
115
F
GLY
34
F
ALA
123
F
ALA
42
F
THR
109
F
THR
28
F
GLN
112
F
GLN
31
F
PHE
134
F
PHE
53
F
THR
136
F
THR
55
F
ASP
139
F
ASP
58
F
ARG
141
F
ARG
60
20
C 2 2 21