0.008795
0.005078
0.000000
0.000000
0.010156
0.000000
0.000000
0.000000
0.007241
0.00000
0.00000
0.00000
CIS PROLINE - PRO 104
RESIDUE THA 999 IS BOUND NON-COVALENTLY IN THE ACTIVE SITE.
Sussman, J.L.
Harel, M.
Silman, I.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
113.700
113.700
138.100
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
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C13 H14 N2
198.264
TACRINE
non-polymer
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
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
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
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
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
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
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
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
Y
304
N
C
Y
305
N
C
Y
306
N
C
Y
307
N
C
Y
308
N
C
Y
309
N
C
Y
310
N
N
Y
311
N
C
Y
312
N
C
Y
313
N
C
N
314
N
C
N
315
N
C
N
316
N
C
N
317
N
C
N
318
N
N
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
N
N
334
S
C
N
335
N
C
N
336
N
O
N
337
R
C
N
338
N
O
N
339
N
C
N
340
N
O
N
341
N
H
N
342
N
H
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
N
N
351
S
C
N
352
N
C
N
353
N
O
N
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
N
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
N
364
N
O
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
N
N
378
S
C
N
379
N
C
N
380
N
O
N
381
N
C
Y
382
N
C
Y
383
N
C
Y
384
N
C
Y
385
N
C
Y
386
N
C
Y
387
N
C
N
388
N
O
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
H
N
400
N
H
N
401
N
N
N
402
S
C
N
403
N
C
N
404
N
O
N
405
N
C
N
406
N
C
N
407
N
C
N
408
N
O
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
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
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
sing
N
157
N
sing
N
158
N
doub
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
sing
N
178
N
sing
N
179
N
doub
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
sing
N
199
N
sing
N
200
N
doub
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
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
Y
290
N
doub
Y
291
N
sing
N
292
N
sing
Y
293
N
sing
N
294
N
sing
Y
295
N
doub
Y
296
N
sing
Y
297
N
sing
Y
298
N
sing
Y
299
N
doub
N
300
N
sing
N
301
N
sing
Y
302
N
doub
Y
303
N
sing
N
304
N
sing
Y
305
N
doub
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
doub
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
doub
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
Y
348
N
doub
Y
349
N
sing
Y
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
sing
Y
357
N
doub
N
358
N
sing
Y
359
N
doub
N
360
N
sing
Y
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
Y
376
N
doub
Y
377
N
sing
Y
378
N
sing
N
379
N
sing
Y
380
N
doub
N
381
N
sing
Y
382
N
doub
N
383
N
sing
Y
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
doub
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
90
9031
9035
10.1073/pnas.90.19.9031
8415649
Quaternary ligand binding to aromatic residues in the active-site gorge of acetylcholinesterase.
1993
US
Science
SCIEAS
0038
0036-8075
253
872
Atomic Structure of Acetylcholinesterase from Torpedo Californica: A Prototypic Acetylcholine-Binding Protein
1991
10.2210/pdb1acj/pdb
pdb_00001acj
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
60792.516
ACETYLCHOLINESTERASE
3.1.1.7
1
man
polymer
198.264
TACRINE
1
syn
non-polymer
18.015
water
82
nat
water
no
no
DDHSELLVNTKSGKVMGTRVPVLSSHISAFLGIPFAEPPVGNMRFRRPEPKKPWSGVWNASTYPNNCQQYVDEQFPGFSG
SEMWNPNREMSEDCLYLNIWVPSPRPKSTTVMVWIYGGGFYSGSSTLDVYNGKYLAYTEEVVLVSLSYRVGAFGFLALHG
SQEAPGNVGLLDQRMALQWVHDNIQFFGGDPKTVTIFGESAGGASVGMHILSPGSRDLFRRAILQSGSPNCPWASVSVAE
GRRRAVELGRNLNCNLNSDEELIHCLREKKPQELIDVEWNVLPFDSIFRFSFVPVIDGEFFPTSLESMLNSGNFKKTQIL
LGVNKDEGSFFLLYGAPGFSKDSESKISREDFMSGVKLSVPHANDLGLDAVTLQYTDWMDDNNGIKNRDGLDDIVGDHNV
ICPLMHFVNKYTKFGNGTYLYFFNHRASNLVWPEWMGVIHGYEIEFVFGLPLVKELNYTAEEEALSRRIMHYWATFAKTG
NPNEPHSQESKWPLFTTKEQKFIDLNTEPMKVHQRLRVQMCVFWNQFLPKLLNATET
DDHSELLVNTKSGKVMGTRVPVLSSHISAFLGIPFAEPPVGNMRFRRPEPKKPWSGVWNASTYPNNCQQYVDEQFPGFSG
SEMWNPNREMSEDCLYLNIWVPSPRPKSTTVMVWIYGGGFYSGSSTLDVYNGKYLAYTEEVVLVSLSYRVGAFGFLALHG
SQEAPGNVGLLDQRMALQWVHDNIQFFGGDPKTVTIFGESAGGASVGMHILSPGSRDLFRRAILQSGSPNCPWASVSVAE
GRRRAVELGRNLNCNLNSDEELIHCLREKKPQELIDVEWNVLPFDSIFRFSFVPVIDGEFFPTSLESMLNSGNFKKTQIL
LGVNKDEGSFFLLYGAPGFSKDSESKISREDFMSGVKLSVPHANDLGLDAVTLQYTDWMDDNNGIKNRDGLDDIVGDHNV
ICPLMHFVNKYTKFGNGTYLYFFNHRASNLVWPEWMGVIHGYEIEFVFGLPLVKELNYTAEEEALSRRIMHYWATFAKTG
NPNEPHSQESKWPLFTTKEQKFIDLNTEPMKVHQRLRVQMCVFWNQFLPKLLNATET
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Pacific electric ray
Torpedo
sample
7787
Torpedo californica
4.24
70.97
database_2
pdbx_database_status
struct_site
chem_comp_atom
chem_comp_bond
pdbx_database_status
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Database references
Derived calculations
Other
Data collection
Other
1
0
1994-08-31
1
1
2008-03-03
1
2
2011-07-13
1
3
2016-06-29
1
4
2021-08-25
1
5
2024-01-17
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
_pdbx_database_status.status_code_sf
Y
BNL
1993-08-18
REL
REL
THA
TACRINE
HOH
water
RESIDUE THA 999 IS BOUND NON-COVALENTLY IN THE ACTIVE SITE.
THA
999
2
THA
THA
999
A
HOH
601
3
HOH
HOH
601
A
HOH
602
3
HOH
HOH
602
A
HOH
603
3
HOH
HOH
603
A
HOH
604
3
HOH
HOH
604
A
HOH
605
3
HOH
HOH
605
A
HOH
606
3
HOH
HOH
606
A
HOH
607
3
HOH
HOH
607
A
HOH
608
3
HOH
HOH
608
A
HOH
609
3
HOH
HOH
609
A
HOH
610
3
HOH
HOH
610
A
HOH
611
3
HOH
HOH
611
A
HOH
612
3
HOH
HOH
612
A
HOH
613
3
HOH
HOH
613
A
HOH
614
3
HOH
HOH
614
A
HOH
615
3
HOH
HOH
615
A
HOH
616
3
HOH
HOH
616
A
HOH
617
3
HOH
HOH
617
A
HOH
618
3
HOH
HOH
618
A
HOH
619
3
HOH
HOH
619
A
HOH
620
3
HOH
HOH
620
A
HOH
621
3
HOH
HOH
621
A
HOH
622
3
HOH
HOH
622
A
HOH
623
3
HOH
HOH
623
A
HOH
624
3
HOH
HOH
624
A
HOH
625
3
HOH
HOH
625
A
HOH
626
3
HOH
HOH
626
A
HOH
627
3
HOH
HOH
627
A
HOH
628
3
HOH
HOH
628
A
HOH
629
3
HOH
HOH
629
A
HOH
630
3
HOH
HOH
630
A
HOH
631
3
HOH
HOH
631
A
HOH
632
3
HOH
HOH
632
A
HOH
633
3
HOH
HOH
633
A
HOH
634
3
HOH
HOH
634
A
HOH
635
3
HOH
HOH
635
A
HOH
636
3
HOH
HOH
636
A
HOH
637
3
HOH
HOH
637
A
HOH
638
3
HOH
HOH
638
A
HOH
639
3
HOH
HOH
639
A
HOH
640
3
HOH
HOH
640
A
HOH
641
3
HOH
HOH
641
A
HOH
642
3
HOH
HOH
642
A
HOH
643
3
HOH
HOH
643
A
HOH
644
3
HOH
HOH
644
A
HOH
645
3
HOH
HOH
645
A
HOH
646
3
HOH
HOH
646
A
HOH
647
3
HOH
HOH
647
A
HOH
648
3
HOH
HOH
648
A
HOH
649
3
HOH
HOH
649
A
HOH
650
3
HOH
HOH
650
A
HOH
651
3
HOH
HOH
651
A
HOH
652
3
HOH
HOH
652
A
HOH
653
3
HOH
HOH
653
A
HOH
654
3
HOH
HOH
654
A
HOH
655
3
HOH
HOH
655
A
HOH
656
3
HOH
HOH
656
A
HOH
657
3
HOH
HOH
657
A
HOH
658
3
HOH
HOH
658
A
HOH
659
3
HOH
HOH
659
A
HOH
660
3
HOH
HOH
660
A
HOH
661
3
HOH
HOH
661
A
HOH
662
3
HOH
HOH
662
A
HOH
663
3
HOH
HOH
663
A
HOH
664
3
HOH
HOH
664
A
HOH
665
3
HOH
HOH
665
A
HOH
666
3
HOH
HOH
666
A
HOH
667
3
HOH
HOH
667
A
HOH
668
3
HOH
HOH
668
A
HOH
669
3
HOH
HOH
669
A
HOH
670
3
HOH
HOH
670
A
HOH
671
3
HOH
HOH
671
A
HOH
672
3
HOH
HOH
672
A
HOH
673
3
HOH
HOH
673
A
HOH
674
3
HOH
HOH
674
A
HOH
675
3
HOH
HOH
675
A
HOH
676
3
HOH
HOH
676
A
HOH
677
3
HOH
HOH
677
A
HOH
678
3
HOH
HOH
678
A
HOH
679
3
HOH
HOH
679
A
HOH
680
3
HOH
HOH
680
A
HOH
681
3
HOH
HOH
681
A
HOH
682
3
HOH
HOH
682
A
n
1
1
A
n
2
2
A
n
3
3
A
SER
4
n
4
SER
4
A
GLU
5
n
5
GLU
5
A
LEU
6
n
6
LEU
6
A
LEU
7
n
7
LEU
7
A
VAL
8
n
8
VAL
8
A
ASN
9
n
9
ASN
9
A
THR
10
n
10
THR
10
A
LYS
11
n
11
LYS
11
A
SER
12
n
12
SER
12
A
GLY
13
n
13
GLY
13
A
LYS
14
n
14
LYS
14
A
VAL
15
n
15
VAL
15
A
MET
16
n
16
MET
16
A
GLY
17
n
17
GLY
17
A
THR
18
n
18
THR
18
A
ARG
19
n
19
ARG
19
A
VAL
20
n
20
VAL
20
A
PRO
21
n
21
PRO
21
A
VAL
22
n
22
VAL
22
A
LEU
23
n
23
LEU
23
A
SER
24
n
24
SER
24
A
SER
25
n
25
SER
25
A
HIS
26
n
26
HIS
26
A
ILE
27
n
27
ILE
27
A
SER
28
n
28
SER
28
A
ALA
29
n
29
ALA
29
A
PHE
30
n
30
PHE
30
A
LEU
31
n
31
LEU
31
A
GLY
32
n
32
GLY
32
A
ILE
33
n
33
ILE
33
A
PRO
34
n
34
PRO
34
A
PHE
35
n
35
PHE
35
A
ALA
36
n
36
ALA
36
A
GLU
37
n
37
GLU
37
A
PRO
38
n
38
PRO
38
A
PRO
39
n
39
PRO
39
A
VAL
40
n
40
VAL
40
A
GLY
41
n
41
GLY
41
A
ASN
42
n
42
ASN
42
A
MET
43
n
43
MET
43
A
ARG
44
n
44
ARG
44
A
PHE
45
n
45
PHE
45
A
ARG
46
n
46
ARG
46
A
ARG
47
n
47
ARG
47
A
PRO
48
n
48
PRO
48
A
GLU
49
n
49
GLU
49
A
PRO
50
n
50
PRO
50
A
LYS
51
n
51
LYS
51
A
LYS
52
n
52
LYS
52
A
PRO
53
n
53
PRO
53
A
TRP
54
n
54
TRP
54
A
SER
55
n
55
SER
55
A
GLY
56
n
56
GLY
56
A
VAL
57
n
57
VAL
57
A
TRP
58
n
58
TRP
58
A
ASN
59
n
59
ASN
59
A
ALA
60
n
60
ALA
60
A
SER
61
n
61
SER
61
A
THR
62
n
62
THR
62
A
TYR
63
n
63
TYR
63
A
PRO
64
n
64
PRO
64
A
ASN
65
n
65
ASN
65
A
ASN
66
n
66
ASN
66
A
CYS
67
n
67
CYS
67
A
GLN
68
n
68
GLN
68
A
GLN
69
n
69
GLN
69
A
TYR
70
n
70
TYR
70
A
VAL
71
n
71
VAL
71
A
ASP
72
n
72
ASP
72
A
GLU
73
n
73
GLU
73
A
GLN
74
n
74
GLN
74
A
PHE
75
n
75
PHE
75
A
PRO
76
n
76
PRO
76
A
GLY
77
n
77
GLY
77
A
PHE
78
n
78
PHE
78
A
SER
79
n
79
SER
79
A
GLY
80
n
80
GLY
80
A
SER
81
n
81
SER
81
A
GLU
82
n
82
GLU
82
A
MET
83
n
83
MET
83
A
TRP
84
n
84
TRP
84
A
ASN
85
n
85
ASN
85
A
PRO
86
n
86
PRO
86
A
ASN
87
n
87
ASN
87
A
ARG
88
n
88
ARG
88
A
GLU
89
n
89
GLU
89
A
MET
90
n
90
MET
90
A
SER
91
n
91
SER
91
A
GLU
92
n
92
GLU
92
A
ASP
93
n
93
ASP
93
A
CYS
94
n
94
CYS
94
A
LEU
95
n
95
LEU
95
A
TYR
96
n
96
TYR
96
A
LEU
97
n
97
LEU
97
A
ASN
98
n
98
ASN
98
A
ILE
99
n
99
ILE
99
A
TRP
100
n
100
TRP
100
A
VAL
101
n
101
VAL
101
A
PRO
102
n
102
PRO
102
A
SER
103
n
103
SER
103
A
PRO
104
n
104
PRO
104
A
ARG
105
n
105
ARG
105
A
PRO
106
n
106
PRO
106
A
LYS
107
n
107
LYS
107
A
SER
108
n
108
SER
108
A
THR
109
n
109
THR
109
A
THR
110
n
110
THR
110
A
VAL
111
n
111
VAL
111
A
MET
112
n
112
MET
112
A
VAL
113
n
113
VAL
113
A
TRP
114
n
114
TRP
114
A
ILE
115
n
115
ILE
115
A
TYR
116
n
116
TYR
116
A
GLY
117
n
117
GLY
117
A
GLY
118
n
118
GLY
118
A
GLY
119
n
119
GLY
119
A
PHE
120
n
120
PHE
120
A
TYR
121
n
121
TYR
121
A
SER
122
n
122
SER
122
A
GLY
123
n
123
GLY
123
A
SER
124
n
124
SER
124
A
SER
125
n
125
SER
125
A
THR
126
n
126
THR
126
A
LEU
127
n
127
LEU
127
A
ASP
128
n
128
ASP
128
A
VAL
129
n
129
VAL
129
A
TYR
130
n
130
TYR
130
A
ASN
131
n
131
ASN
131
A
GLY
132
n
132
GLY
132
A
LYS
133
n
133
LYS
133
A
TYR
134
n
134
TYR
134
A
LEU
135
n
135
LEU
135
A
ALA
136
n
136
ALA
136
A
TYR
137
n
137
TYR
137
A
THR
138
n
138
THR
138
A
GLU
139
n
139
GLU
139
A
GLU
140
n
140
GLU
140
A
VAL
141
n
141
VAL
141
A
VAL
142
n
142
VAL
142
A
LEU
143
n
143
LEU
143
A
VAL
144
n
144
VAL
144
A
SER
145
n
145
SER
145
A
LEU
146
n
146
LEU
146
A
SER
147
n
147
SER
147
A
TYR
148
n
148
TYR
148
A
ARG
149
n
149
ARG
149
A
VAL
150
n
150
VAL
150
A
GLY
151
n
151
GLY
151
A
ALA
152
n
152
ALA
152
A
PHE
153
n
153
PHE
153
A
GLY
154
n
154
GLY
154
A
PHE
155
n
155
PHE
155
A
LEU
156
n
156
LEU
156
A
ALA
157
n
157
ALA
157
A
LEU
158
n
158
LEU
158
A
HIS
159
n
159
HIS
159
A
GLY
160
n
160
GLY
160
A
SER
161
n
161
SER
161
A
GLN
162
n
162
GLN
162
A
GLU
163
n
163
GLU
163
A
ALA
164
n
164
ALA
164
A
PRO
165
n
165
PRO
165
A
GLY
166
n
166
GLY
166
A
ASN
167
n
167
ASN
167
A
VAL
168
n
168
VAL
168
A
GLY
169
n
169
GLY
169
A
LEU
170
n
170
LEU
170
A
LEU
171
n
171
LEU
171
A
ASP
172
n
172
ASP
172
A
GLN
173
n
173
GLN
173
A
ARG
174
n
174
ARG
174
A
MET
175
n
175
MET
175
A
ALA
176
n
176
ALA
176
A
LEU
177
n
177
LEU
177
A
GLN
178
n
178
GLN
178
A
TRP
179
n
179
TRP
179
A
VAL
180
n
180
VAL
180
A
HIS
181
n
181
HIS
181
A
ASP
182
n
182
ASP
182
A
ASN
183
n
183
ASN
183
A
ILE
184
n
184
ILE
184
A
GLN
185
n
185
GLN
185
A
PHE
186
n
186
PHE
186
A
PHE
187
n
187
PHE
187
A
GLY
188
n
188
GLY
188
A
GLY
189
n
189
GLY
189
A
ASP
190
n
190
ASP
190
A
PRO
191
n
191
PRO
191
A
LYS
192
n
192
LYS
192
A
THR
193
n
193
THR
193
A
VAL
194
n
194
VAL
194
A
THR
195
n
195
THR
195
A
ILE
196
n
196
ILE
196
A
PHE
197
n
197
PHE
197
A
GLY
198
n
198
GLY
198
A
GLU
199
n
199
GLU
199
A
SER
200
n
200
SER
200
A
ALA
201
n
201
ALA
201
A
GLY
202
n
202
GLY
202
A
GLY
203
n
203
GLY
203
A
ALA
204
n
204
ALA
204
A
SER
205
n
205
SER
205
A
VAL
206
n
206
VAL
206
A
GLY
207
n
207
GLY
207
A
MET
208
n
208
MET
208
A
HIS
209
n
209
HIS
209
A
ILE
210
n
210
ILE
210
A
LEU
211
n
211
LEU
211
A
SER
212
n
212
SER
212
A
PRO
213
n
213
PRO
213
A
GLY
214
n
214
GLY
214
A
SER
215
n
215
SER
215
A
ARG
216
n
216
ARG
216
A
ASP
217
n
217
ASP
217
A
LEU
218
n
218
LEU
218
A
PHE
219
n
219
PHE
219
A
ARG
220
n
220
ARG
220
A
ARG
221
n
221
ARG
221
A
ALA
222
n
222
ALA
222
A
ILE
223
n
223
ILE
223
A
LEU
224
n
224
LEU
224
A
GLN
225
n
225
GLN
225
A
SER
226
n
226
SER
226
A
GLY
227
n
227
GLY
227
A
SER
228
n
228
SER
228
A
PRO
229
n
229
PRO
229
A
ASN
230
n
230
ASN
230
A
CYS
231
n
231
CYS
231
A
PRO
232
n
232
PRO
232
A
TRP
233
n
233
TRP
233
A
ALA
234
n
234
ALA
234
A
SER
235
n
235
SER
235
A
VAL
236
n
236
VAL
236
A
SER
237
n
237
SER
237
A
VAL
238
n
238
VAL
238
A
ALA
239
n
239
ALA
239
A
GLU
240
n
240
GLU
240
A
GLY
241
n
241
GLY
241
A
ARG
242
n
242
ARG
242
A
ARG
243
n
243
ARG
243
A
ARG
244
n
244
ARG
244
A
ALA
245
n
245
ALA
245
A
VAL
246
n
246
VAL
246
A
GLU
247
n
247
GLU
247
A
LEU
248
n
248
LEU
248
A
GLY
249
n
249
GLY
249
A
ARG
250
n
250
ARG
250
A
ASN
251
n
251
ASN
251
A
LEU
252
n
252
LEU
252
A
ASN
253
n
253
ASN
253
A
CYS
254
n
254
CYS
254
A
ASN
255
n
255
ASN
255
A
LEU
256
n
256
LEU
256
A
ASN
257
n
257
ASN
257
A
SER
258
n
258
SER
258
A
ASP
259
n
259
ASP
259
A
GLU
260
n
260
GLU
260
A
GLU
261
n
261
GLU
261
A
LEU
262
n
262
LEU
262
A
ILE
263
n
263
ILE
263
A
HIS
264
n
264
HIS
264
A
CYS
265
n
265
CYS
265
A
LEU
266
n
266
LEU
266
A
ARG
267
n
267
ARG
267
A
GLU
268
n
268
GLU
268
A
LYS
269
n
269
LYS
269
A
LYS
270
n
270
LYS
270
A
PRO
271
n
271
PRO
271
A
GLN
272
n
272
GLN
272
A
GLU
273
n
273
GLU
273
A
LEU
274
n
274
LEU
274
A
ILE
275
n
275
ILE
275
A
ASP
276
n
276
ASP
276
A
VAL
277
n
277
VAL
277
A
GLU
278
n
278
GLU
278
A
TRP
279
n
279
TRP
279
A
ASN
280
n
280
ASN
280
A
VAL
281
n
281
VAL
281
A
LEU
282
n
282
LEU
282
A
PRO
283
n
283
PRO
283
A
PHE
284
n
284
PHE
284
A
ASP
285
n
285
ASP
285
A
SER
286
n
286
SER
286
A
ILE
287
n
287
ILE
287
A
PHE
288
n
288
PHE
288
A
ARG
289
n
289
ARG
289
A
PHE
290
n
290
PHE
290
A
SER
291
n
291
SER
291
A
PHE
292
n
292
PHE
292
A
VAL
293
n
293
VAL
293
A
PRO
294
n
294
PRO
294
A
VAL
295
n
295
VAL
295
A
ILE
296
n
296
ILE
296
A
ASP
297
n
297
ASP
297
A
GLY
298
n
298
GLY
298
A
GLU
299
n
299
GLU
299
A
PHE
300
n
300
PHE
300
A
PHE
301
n
301
PHE
301
A
PRO
302
n
302
PRO
302
A
THR
303
n
303
THR
303
A
SER
304
n
304
SER
304
A
LEU
305
n
305
LEU
305
A
GLU
306
n
306
GLU
306
A
SER
307
n
307
SER
307
A
MET
308
n
308
MET
308
A
LEU
309
n
309
LEU
309
A
ASN
310
n
310
ASN
310
A
SER
311
n
311
SER
311
A
GLY
312
n
312
GLY
312
A
ASN
313
n
313
ASN
313
A
PHE
314
n
314
PHE
314
A
LYS
315
n
315
LYS
315
A
LYS
316
n
316
LYS
316
A
THR
317
n
317
THR
317
A
GLN
318
n
318
GLN
318
A
ILE
319
n
319
ILE
319
A
LEU
320
n
320
LEU
320
A
LEU
321
n
321
LEU
321
A
GLY
322
n
322
GLY
322
A
VAL
323
n
323
VAL
323
A
ASN
324
n
324
ASN
324
A
LYS
325
n
325
LYS
325
A
ASP
326
n
326
ASP
326
A
GLU
327
n
327
GLU
327
A
GLY
328
n
328
GLY
328
A
SER
329
n
329
SER
329
A
PHE
330
n
330
PHE
330
A
PHE
331
n
331
PHE
331
A
LEU
332
n
332
LEU
332
A
LEU
333
n
333
LEU
333
A
TYR
334
n
334
TYR
334
A
GLY
335
n
335
GLY
335
A
ALA
336
n
336
ALA
336
A
PRO
337
n
337
PRO
337
A
GLY
338
n
338
GLY
338
A
PHE
339
n
339
PHE
339
A
SER
340
n
340
SER
340
A
LYS
341
n
341
LYS
341
A
ASP
342
n
342
ASP
342
A
SER
343
n
343
SER
343
A
GLU
344
n
344
GLU
344
A
SER
345
n
345
SER
345
A
LYS
346
n
346
LYS
346
A
ILE
347
n
347
ILE
347
A
SER
348
n
348
SER
348
A
ARG
349
n
349
ARG
349
A
GLU
350
n
350
GLU
350
A
ASP
351
n
351
ASP
351
A
PHE
352
n
352
PHE
352
A
MET
353
n
353
MET
353
A
SER
354
n
354
SER
354
A
GLY
355
n
355
GLY
355
A
VAL
356
n
356
VAL
356
A
LYS
357
n
357
LYS
357
A
LEU
358
n
358
LEU
358
A
SER
359
n
359
SER
359
A
VAL
360
n
360
VAL
360
A
PRO
361
n
361
PRO
361
A
HIS
362
n
362
HIS
362
A
ALA
363
n
363
ALA
363
A
ASN
364
n
364
ASN
364
A
ASP
365
n
365
ASP
365
A
LEU
366
n
366
LEU
366
A
GLY
367
n
367
GLY
367
A
LEU
368
n
368
LEU
368
A
ASP
369
n
369
ASP
369
A
ALA
370
n
370
ALA
370
A
VAL
371
n
371
VAL
371
A
THR
372
n
372
THR
372
A
LEU
373
n
373
LEU
373
A
GLN
374
n
374
GLN
374
A
TYR
375
n
375
TYR
375
A
THR
376
n
376
THR
376
A
ASP
377
n
377
ASP
377
A
TRP
378
n
378
TRP
378
A
MET
379
n
379
MET
379
A
ASP
380
n
380
ASP
380
A
ASP
381
n
381
ASP
381
A
ASN
382
n
382
ASN
382
A
ASN
383
n
383
ASN
383
A
GLY
384
n
384
GLY
384
A
ILE
385
n
385
ILE
385
A
LYS
386
n
386
LYS
386
A
ASN
387
n
387
ASN
387
A
ARG
388
n
388
ARG
388
A
ASP
389
n
389
ASP
389
A
GLY
390
n
390
GLY
390
A
LEU
391
n
391
LEU
391
A
ASP
392
n
392
ASP
392
A
ASP
393
n
393
ASP
393
A
ILE
394
n
394
ILE
394
A
VAL
395
n
395
VAL
395
A
GLY
396
n
396
GLY
396
A
ASP
397
n
397
ASP
397
A
HIS
398
n
398
HIS
398
A
ASN
399
n
399
ASN
399
A
VAL
400
n
400
VAL
400
A
ILE
401
n
401
ILE
401
A
CYS
402
n
402
CYS
402
A
PRO
403
n
403
PRO
403
A
LEU
404
n
404
LEU
404
A
MET
405
n
405
MET
405
A
HIS
406
n
406
HIS
406
A
PHE
407
n
407
PHE
407
A
VAL
408
n
408
VAL
408
A
ASN
409
n
409
ASN
409
A
LYS
410
n
410
LYS
410
A
TYR
411
n
411
TYR
411
A
THR
412
n
412
THR
412
A
LYS
413
n
413
LYS
413
A
PHE
414
n
414
PHE
414
A
GLY
415
n
415
GLY
415
A
ASN
416
n
416
ASN
416
A
GLY
417
n
417
GLY
417
A
THR
418
n
418
THR
418
A
TYR
419
n
419
TYR
419
A
LEU
420
n
420
LEU
420
A
TYR
421
n
421
TYR
421
A
PHE
422
n
422
PHE
422
A
PHE
423
n
423
PHE
423
A
ASN
424
n
424
ASN
424
A
HIS
425
n
425
HIS
425
A
ARG
426
n
426
ARG
426
A
ALA
427
n
427
ALA
427
A
SER
428
n
428
SER
428
A
ASN
429
n
429
ASN
429
A
LEU
430
n
430
LEU
430
A
VAL
431
n
431
VAL
431
A
TRP
432
n
432
TRP
432
A
PRO
433
n
433
PRO
433
A
GLU
434
n
434
GLU
434
A
TRP
435
n
435
TRP
435
A
MET
436
n
436
MET
436
A
GLY
437
n
437
GLY
437
A
VAL
438
n
438
VAL
438
A
ILE
439
n
439
ILE
439
A
HIS
440
n
440
HIS
440
A
GLY
441
n
441
GLY
441
A
TYR
442
n
442
TYR
442
A
GLU
443
n
443
GLU
443
A
ILE
444
n
444
ILE
444
A
GLU
445
n
445
GLU
445
A
PHE
446
n
446
PHE
446
A
VAL
447
n
447
VAL
447
A
PHE
448
n
448
PHE
448
A
GLY
449
n
449
GLY
449
A
LEU
450
n
450
LEU
450
A
PRO
451
n
451
PRO
451
A
LEU
452
n
452
LEU
452
A
VAL
453
n
453
VAL
453
A
LYS
454
n
454
LYS
454
A
GLU
455
n
455
GLU
455
A
LEU
456
n
456
LEU
456
A
ASN
457
n
457
ASN
457
A
TYR
458
n
458
TYR
458
A
THR
459
n
459
THR
459
A
ALA
460
n
460
ALA
460
A
GLU
461
n
461
GLU
461
A
GLU
462
n
462
GLU
462
A
GLU
463
n
463
GLU
463
A
ALA
464
n
464
ALA
464
A
LEU
465
n
465
LEU
465
A
SER
466
n
466
SER
466
A
ARG
467
n
467
ARG
467
A
ARG
468
n
468
ARG
468
A
ILE
469
n
469
ILE
469
A
MET
470
n
470
MET
470
A
HIS
471
n
471
HIS
471
A
TYR
472
n
472
TYR
472
A
TRP
473
n
473
TRP
473
A
ALA
474
n
474
ALA
474
A
THR
475
n
475
THR
475
A
PHE
476
n
476
PHE
476
A
ALA
477
n
477
ALA
477
A
LYS
478
n
478
LYS
478
A
THR
479
n
479
THR
479
A
GLY
480
n
480
GLY
480
A
ASN
481
n
481
ASN
481
A
PRO
482
n
482
PRO
482
A
ASN
483
n
483
ASN
483
A
GLU
484
n
484
GLU
484
A
PRO
485
n
485
PRO
485
A
n
486
486
A
n
487
487
A
n
488
488
A
n
489
489
A
SER
490
n
490
SER
490
A
LYS
491
n
491
LYS
491
A
TRP
492
n
492
TRP
492
A
PRO
493
n
493
PRO
493
A
LEU
494
n
494
LEU
494
A
PHE
495
n
495
PHE
495
A
THR
496
n
496
THR
496
A
THR
497
n
497
THR
497
A
LYS
498
n
498
LYS
498
A
GLU
499
n
499
GLU
499
A
GLN
500
n
500
GLN
500
A
LYS
501
n
501
LYS
501
A
PHE
502
n
502
PHE
502
A
ILE
503
n
503
ILE
503
A
ASP
504
n
504
ASP
504
A
LEU
505
n
505
LEU
505
A
ASN
506
n
506
ASN
506
A
THR
507
n
507
THR
507
A
GLU
508
n
508
GLU
508
A
PRO
509
n
509
PRO
509
A
MET
510
n
510
MET
510
A
LYS
511
n
511
LYS
511
A
VAL
512
n
512
VAL
512
A
HIS
513
n
513
HIS
513
A
GLN
514
n
514
GLN
514
A
ARG
515
n
515
ARG
515
A
LEU
516
n
516
LEU
516
A
ARG
517
n
517
ARG
517
A
VAL
518
n
518
VAL
518
A
GLN
519
n
519
GLN
519
A
MET
520
n
520
MET
520
A
CYS
521
n
521
CYS
521
A
VAL
522
n
522
VAL
522
A
PHE
523
n
523
PHE
523
A
TRP
524
n
524
TRP
524
A
ASN
525
n
525
ASN
525
A
GLN
526
n
526
GLN
526
A
PHE
527
n
527
PHE
527
A
LEU
528
n
528
LEU
528
A
PRO
529
n
529
PRO
529
A
LYS
530
n
530
LYS
530
A
LEU
531
n
531
LEU
531
A
LEU
532
n
532
LEU
532
A
ASN
533
n
533
ASN
533
A
ALA
534
n
534
ALA
534
A
THR
535
n
535
THR
535
A
n
536
536
A
n
537
537
A
author_and_software_defined_assembly
PISA
2
dimeric
2940
-12
35930
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
-0.5000000000
0.8660254038
0.0000000000
0.8660254038
0.5000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
4_556
y,x,-z+1
crystal symmetry operation
0.0000000000
0.0000000000
138.1000000000
1
A
NE
ARG
19
A
NE
ARG
19
1
Y
1
A
CZ
ARG
19
A
CZ
ARG
19
1
Y
1
A
NH1
ARG
19
A
NH1
ARG
19
1
Y
1
A
NH2
ARG
19
A
NH2
ARG
19
1
Y
1
A
CG
HIS
26
A
CG
HIS
26
1
Y
1
A
ND1
HIS
26
A
ND1
HIS
26
1
Y
1
A
CD2
HIS
26
A
CD2
HIS
26
1
Y
1
A
CE1
HIS
26
A
CE1
HIS
26
1
Y
1
A
NE2
HIS
26
A
NE2
HIS
26
1
Y
1
A
CG
ASN
42
A
CG
ASN
42
1
Y
1
A
OD1
ASN
42
A
OD1
ASN
42
1
Y
1
A
ND2
ASN
42
A
ND2
ASN
42
1
Y
1
A
CZ
ARG
46
A
CZ
ARG
46
1
Y
1
A
NH1
ARG
46
A
NH1
ARG
46
1
Y
1
A
NH2
ARG
46
A
NH2
ARG
46
1
Y
1
A
OE1
GLN
74
A
OE1
GLN
74
1
Y
1
A
NE2
GLN
74
A
NE2
GLN
74
1
Y
1
A
NH1
ARG
88
A
NH1
ARG
88
1
Y
1
A
NH2
ARG
88
A
NH2
ARG
88
1
Y
1
A
CD
GLU
89
A
CD
GLU
89
1
Y
1
A
OE1
GLU
89
A
OE1
GLU
89
1
Y
1
A
OE2
GLU
89
A
OE2
GLU
89
1
Y
1
A
CG
LYS
107
A
CG
LYS
107
1
Y
1
A
CD
LYS
107
A
CD
LYS
107
1
Y
1
A
CE
LYS
107
A
CE
LYS
107
1
Y
1
A
NZ
LYS
107
A
NZ
LYS
107
1
Y
1
A
CD
GLN
162
A
CD
GLN
162
1
Y
1
A
OE1
GLN
162
A
OE1
GLN
162
1
Y
1
A
NE2
GLN
162
A
NE2
GLN
162
1
Y
1
A
OE1
GLU
163
A
OE1
GLU
163
1
Y
1
A
OE2
GLU
163
A
OE2
GLU
163
1
Y
1
A
OD1
ASN
253
A
OD1
ASN
253
1
Y
1
A
ND2
ASN
253
A
ND2
ASN
253
1
Y
1
A
CG
ASN
257
A
CG
ASN
257
1
Y
1
A
OD1
ASN
257
A
OD1
ASN
257
1
Y
1
A
ND2
ASN
257
A
ND2
ASN
257
1
Y
1
A
CG
GLU
260
A
CG
GLU
260
1
Y
1
A
CD
GLU
260
A
CD
GLU
260
1
Y
1
A
OE1
GLU
260
A
OE1
GLU
260
1
Y
1
A
OE2
GLU
260
A
OE2
GLU
260
1
Y
1
A
CD
GLU
261
A
CD
GLU
261
1
Y
1
A
OE1
GLU
261
A
OE1
GLU
261
1
Y
1
A
OE2
GLU
261
A
OE2
GLU
261
1
Y
1
A
CD
GLU
268
A
CD
GLU
268
1
Y
1
A
OE1
GLU
268
A
OE1
GLU
268
1
Y
1
A
OE2
GLU
268
A
OE2
GLU
268
1
Y
1
A
CD
LYS
270
A
CD
LYS
270
1
Y
1
A
CE
LYS
270
A
CE
LYS
270
1
Y
1
A
NZ
LYS
270
A
NZ
LYS
270
1
Y
1
A
CD1
PHE
284
A
CD1
PHE
284
1
Y
1
A
CD2
PHE
284
A
CD2
PHE
284
1
Y
1
A
CE1
PHE
284
A
CE1
PHE
284
1
Y
1
A
CE2
PHE
284
A
CE2
PHE
284
1
Y
1
A
CZ
PHE
284
A
CZ
PHE
284
1
Y
1
A
OG
SER
286
A
OG
SER
286
1
Y
1
A
CD
GLU
299
A
CD
GLU
299
1
Y
1
A
OE1
GLU
299
A
OE1
GLU
299
1
Y
1
A
OE2
GLU
299
A
OE2
GLU
299
1
Y
1
A
CG
ASN
310
A
CG
ASN
310
1
Y
1
A
OD1
ASN
310
A
OD1
ASN
310
1
Y
1
A
ND2
ASN
310
A
ND2
ASN
310
1
Y
1
A
NZ
LYS
325
A
NZ
LYS
325
1
Y
1
A
CD
GLU
344
A
CD
GLU
344
1
Y
1
A
OE1
GLU
344
A
OE1
GLU
344
1
Y
1
A
OE2
GLU
344
A
OE2
GLU
344
1
Y
1
A
CD
GLU
350
A
CD
GLU
350
1
Y
1
A
OE1
GLU
350
A
OE1
GLU
350
1
Y
1
A
OE2
GLU
350
A
OE2
GLU
350
1
Y
1
A
SD
MET
353
A
SD
MET
353
1
Y
1
A
CE
MET
353
A
CE
MET
353
1
Y
1
A
CG
ASP
365
A
CG
ASP
365
1
Y
1
A
OD1
ASP
365
A
OD1
ASP
365
1
Y
1
A
OD2
ASP
365
A
OD2
ASP
365
1
Y
1
A
CG
ASN
382
A
CG
ASN
382
1
Y
1
A
OD1
ASN
382
A
OD1
ASN
382
1
Y
1
A
ND2
ASN
382
A
ND2
ASN
382
1
Y
1
A
CE
LYS
413
A
CE
LYS
413
1
Y
1
A
NZ
LYS
413
A
NZ
LYS
413
1
Y
1
A
CD
GLU
434
A
CD
GLU
434
1
Y
1
A
OE1
GLU
434
A
OE1
GLU
434
1
Y
1
A
OE2
GLU
434
A
OE2
GLU
434
1
Y
1
A
CG
GLU
455
A
CG
GLU
455
1
Y
1
A
CD
GLU
455
A
CD
GLU
455
1
Y
1
A
OE1
GLU
455
A
OE1
GLU
455
1
Y
1
A
OE2
GLU
455
A
OE2
GLU
455
1
Y
1
A
CD
GLU
461
A
CD
GLU
461
1
Y
1
A
OE1
GLU
461
A
OE1
GLU
461
1
Y
1
A
OE2
GLU
461
A
OE2
GLU
461
1
Y
1
A
CE
LYS
478
A
CE
LYS
478
1
Y
1
A
NZ
LYS
478
A
NZ
LYS
478
1
Y
1
A
CD
GLU
484
A
CD
GLU
484
1
Y
1
A
OE1
GLU
484
A
OE1
GLU
484
1
Y
1
A
OE2
GLU
484
A
OE2
GLU
484
1
Y
1
A
CG
LYS
498
A
CG
LYS
498
1
Y
1
A
CD
LYS
498
A
CD
LYS
498
1
Y
1
A
CE
LYS
498
A
CE
LYS
498
1
Y
1
A
NZ
LYS
498
A
NZ
LYS
498
1
Y
1
A
CD
GLU
499
A
CD
GLU
499
1
Y
1
A
OE1
GLU
499
A
OE1
GLU
499
1
Y
1
A
OE2
GLU
499
A
OE2
GLU
499
1
Y
1
A
CD
GLU
508
A
CD
GLU
508
1
Y
1
A
OE1
GLU
508
A
OE1
GLU
508
1
Y
1
A
OE2
GLU
508
A
OE2
GLU
508
1
Y
1
A
CD
LYS
511
A
CD
LYS
511
1
Y
1
A
CE
LYS
511
A
CE
LYS
511
1
Y
1
A
NZ
LYS
511
A
NZ
LYS
511
1
Y
1
A
CZ
ARG
515
A
CZ
ARG
515
1
Y
1
A
NH1
ARG
515
A
NH1
ARG
515
1
Y
1
A
NH2
ARG
515
A
NH2
ARG
515
1
Y
1
A
CD
GLN
526
A
CD
GLN
526
1
Y
1
A
OE1
GLN
526
A
OE1
GLN
526
1
Y
1
A
NE2
GLN
526
A
NE2
GLN
526
1
Y
1
A
CG
ASN
533
A
CG
ASN
533
1
Y
1
A
OD1
ASN
533
A
OD1
ASN
533
1
Y
1
A
ND2
ASN
533
A
ND2
ASN
533
1
Y
1
A
ASP
1
A
ASP
1
1
Y
1
A
ASP
2
A
ASP
2
1
Y
1
A
HIS
3
A
HIS
3
1
Y
1
A
HIS
486
A
HIS
486
1
Y
1
A
SER
487
A
SER
487
1
Y
1
A
GLN
488
A
GLN
488
1
Y
1
A
GLU
489
A
GLU
489
1
Y
1
A
GLU
536
A
GLU
536
1
Y
1
A
THR
537
A
THR
537
1
Y
1
A
TYR
442
0.063
SIDE CHAIN
1
A
TYR
458
0.070
SIDE CHAIN
1
4.29
0.50
120.30
124.59
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
47
47
47
N
1
-7.68
0.50
120.30
112.62
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
47
47
47
N
1
-3.32
0.50
120.30
116.98
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
216
216
216
N
1
3.08
0.50
120.30
123.38
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
267
267
267
N
1
-9.48
1.50
110.50
101.02
A
A
A
N
CA
CB
SER
SER
SER
343
343
343
N
1
-6.33
0.70
120.80
114.47
A
A
A
CB
CG
CD2
PHE
PHE
PHE
414
414
414
N
1
7.97
0.70
120.80
128.77
A
A
A
CB
CG
CD1
PHE
PHE
PHE
414
414
414
N
1
A
A
CE2
CD2
TRP
TRP
54
54
0.076
0.012
1.409
1.485
N
1
A
A
CG
CD2
HIS
HIS
159
159
0.060
0.009
1.354
1.414
N
1
A
A
CE2
CD2
TRP
TRP
179
179
0.079
0.012
1.409
1.488
N
1
A
A
CG
CD2
HIS
HIS
181
181
0.066
0.009
1.354
1.420
N
1
A
A
CG
CD2
HIS
HIS
209
209
0.064
0.009
1.354
1.418
N
1
A
A
CE2
CD2
TRP
TRP
233
233
0.077
0.012
1.409
1.486
N
1
A
A
CG
CD2
HIS
HIS
264
264
0.068
0.009
1.354
1.422
N
1
A
A
CE2
CD2
TRP
TRP
279
279
0.079
0.012
1.409
1.488
N
1
A
A
CG
CD2
HIS
HIS
362
362
0.057
0.009
1.354
1.411
N
1
A
A
CG
CD2
HIS
HIS
398
398
0.066
0.009
1.354
1.420
N
1
A
A
CG
CD2
HIS
HIS
406
406
0.060
0.009
1.354
1.414
N
1
A
A
CG
CD2
HIS
HIS
425
425
0.060
0.009
1.354
1.414
N
1
A
A
CE2
CD2
TRP
TRP
432
432
0.074
0.012
1.409
1.483
N
1
A
A
CE2
CD2
TRP
TRP
435
435
0.075
0.012
1.409
1.484
N
1
A
A
CG
CD2
HIS
HIS
440
440
0.064
0.009
1.354
1.418
N
1
A
A
CG
CD2
HIS
HIS
471
471
0.061
0.009
1.354
1.415
N
1
A
A
CE2
CD2
TRP
TRP
473
473
0.072
0.012
1.409
1.481
N
1
A
A
CG
CD2
HIS
HIS
513
513
0.063
0.009
1.354
1.417
N
1
A
GLU
5
82.74
-54.44
1
A
LEU
23
58.24
-117.52
1
A
SER
25
-130.90
-148.71
1
A
PHE
45
77.90
-13.00
1
A
ALA
60
-114.64
54.33
1
A
CYS
94
-140.13
10.02
1
A
PHE
120
71.73
-7.55
1
A
HIS
159
-18.74
-71.17
1
A
ASN
167
45.27
18.23
1
A
ASN
183
-150.41
-2.07
1
A
THR
193
-142.72
51.16
1
A
SER
200
61.05
-122.35
1
A
ARG
220
-99.61
-67.37
1
A
GLU
299
-107.66
-76.18
1
A
ASP
326
-116.39
78.45
1
A
SER
329
-24.13
-63.42
1
A
SER
345
30.02
69.41
1
A
VAL
360
-118.47
65.15
1
A
ASP
380
-162.16
30.81
1
A
ASP
381
-23.32
-55.24
1
A
VAL
400
-133.32
-54.20
1
A
ASN
416
-109.87
40.81
1
A
LYS
498
-69.78
-73.98
1
A
GLN
500
-63.70
73.98
THE STRUCTURE WAS REFINED STARTING FROM NATIVE COORDINATES
USING X-PLOR. 82 WATER MOLECULES ARE INCLUDED.
0.195
0.195
2.8
8.0
23213
1
0.0
2.8
8.0
82
4192
15
0
4095
0.025
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
QUATERNARY LIGAND BINDING TO AROMATIC RESIDUES IN THE ACTIVE-SITE GORGE OF ACETYLCHOLINESTERASE
1
N
N
2
N
N
3
N
N
A
SER
79
A
SER
79
HELX_P
A
ASN
85
A
ASN
85
1
H1
7
A
GLY
132
A
GLY
132
HELX_P
A
GLU
139
A
GLU
139
1
H2
8
A
VAL
168
A
VAL
168
HELX_P
A
ASN
183
A
ASN
183
1
H3
16
A
SER
200
A
SER
200
HELX_P
A
LEU
211
A
LEU
211
1
H4
12
A
VAL
238
A
VAL
238
HELX_P
A
LEU
252
A
LEU
252
1
H5
15
A
ASP
259
A
ASP
259
HELX_P
A
GLU
268
A
GLU
268
1
H6
10
A
PRO
271
A
PRO
271
HELX_P
A
GLU
278
A
GLU
278
1
H7
8
A
LEU
305
A
LEU
305
HELX_P
A
SER
311
A
SER
311
1
H8
7
A
SER
329
A
SER
329
HELX_P
A
GLY
335
A
GLY
335
1
H9
7
A
ARG
349
A
ARG
349
HELX_P
A
VAL
360
A
VAL
360
1
H10
12
A
ASP
365
A
ASP
365
HELX_P
A
THR
376
A
THR
376
1
H11
12
A
GLY
384
A
GLY
384
HELX_P
A
TYR
411
A
TYR
411
1
H12
28
A
GLU
443
A
GLU
443
HELX_P
A
PHE
448
A
PHE
448
1
H13
6
A
ALA
460
A
ALA
460
HELX_P
A
THR
479
A
THR
479
1
H14
20
A
VAL
518
A
VAL
518
HELX_P
A
ALA
534
A
ALA
534
1
H15
17
disulf
2.040
A
CYS
67
A
SG
CYS
67
1_555
A
CYS
94
A
SG
CYS
94
1_555
disulf
2.032
A
CYS
254
A
SG
CYS
254
1_555
A
CYS
265
A
SG
CYS
265
1_555
disulf
2.068
A
CYS
402
A
SG
CYS
402
1_555
A
CYS
521
A
SG
CYS
521
1_555
HYDROLASE(CARBOXYLIC ESTERASE)
HYDROLASE(CARBOXYLIC ESTERASE)
A
SER
103
A
SER
103
1
A
PRO
104
A
PRO
104
-4.12
ACES_TORCA
UNP
1
1
P04058
MNLLVTSSLGVLLHLVVLCQADDHSELLVNTKSGKVMGTRVPVLSSHISAFLGIPFAEPPVGNMRFRRPEPKKPWSGVWN
ASTYPNNCQQYVDEQFPGFSGSEMWNPNREMSEDCLYLNIWVPSPRPKSTTVMVWIYGGGFYSGSSTLDVYNGKYLAYTE
EVVLVSLSYRVGAFGFLALHGSQEAPGNVGLLDQRMALQWVHDNIQFFGGDPKTVTIFGESAGGASVGMHILSPGSRDLF
RRAILQSGSPNCPWASVSVAEGRRRAVELGRNLNCNLNSDEELIHCLREKKPQELIDVEWNVLPFDSIFRFSFVPVIDGE
FFPTSLESMLNSGNFKKTQILLGVNKDEGSFFLLYGAPGFSKDSESKISREDFMSGVKLSVPHANDLGLDAVTLQYTDWM
DDNNGIKNRDGLDDIVGDHNVICPLMHFVNKYTKFGNGTYLYFFNHRASNLVWPEWMGVIHGYEIEFVFGLPLVKELNYT
AEEEALSRRIMHYWATFAKTGNPNEPHSQESKWPLFTTKEQKFIDLNTEPMKVHQRLRVQMCVFWNQFLPKLLNATACDG
ELSSSGTSSSKGIIFYVLFSILYLIF
22
556
1ACJ
1
535
P04058
A
1
1
535
12
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
A
LEU
6
A
LEU
6
A
THR
10
A
THR
10
A
GLY
13
A
GLY
13
A
MET
16
A
MET
16
A
THR
18
A
THR
18
A
PRO
21
A
PRO
21
A
HIS
26
A
HIS
26
A
PRO
34
A
PRO
34
A
VAL
57
A
VAL
57
A
ALA
60
A
ALA
60
A
TYR
96
A
TYR
96
A
PRO
102
A
PRO
102
A
VAL
142
A
VAL
142
A
SER
147
A
SER
147
A
THR
109
A
THR
109
A
TYR
116
A
TYR
116
A
THR
193
A
THR
193
A
GLU
199
A
GLU
199
A
ARG
220
A
ARG
220
A
SER
226
A
SER
226
A
GLN
318
A
GLN
318
A
TYR
334
A
TYR
334
A
GLY
417
A
GLY
417
A
PHE
423
A
PHE
423
A
PHE
502
A
PHE
502
A
LEU
505
A
LEU
505
A
MET
510
A
MET
510
A
GLN
514
A
GLN
514
Unknown
4
BINDING SITE FOR RESIDUE THA A 999
A
THA
999
Software
7
A
SER
200
A
SER
200
4
1_555
A
HIS
440
A
HIS
440
4
1_555
A
GLU
327
A
GLU
327
4
1_555
A
THA
999
B
THA
4
1_555
A
TRP
84
A
TRP
84
7
1_555
A
GLY
118
A
GLY
118
7
1_555
A
GLU
199
A
GLU
199
7
1_555
A
PHE
330
A
PHE
330
7
1_555
A
TRP
432
A
TRP
432
7
1_555
A
HIS
440
A
HIS
440
7
1_555
A
GLY
441
A
GLY
441
7
1_555
152
P 31 2 1