0.023753
0.000000
0.006059
0.000000
0.024155
0.000000
0.000000
0.000000
0.014388
0.00000
0.00000
0.00000
Menchise, V.
Di Fiore, A.
De Simone, G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
104.31
90.00
42.100
41.400
71.730
C8 H7 Cl F N5 O4 S3
387.819
5-{[(4-AMINO-3-CHLORO-5-FLUOROPHENYL)SULFONYL]AMINO}-1,3,4-THIADIAZOLE-2-SULFONAMIDE
non-polymer
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
C3 H8 O3
92.094
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
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
C7 H5 Hg O2
321.703
MERCURIBENZOIC ACID
non-polymer
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
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
Zn 2
65.409
ZINC ION
non-polymer
N
1
N
S
N
2
N
O
N
3
N
O
N
4
N
N
Y
5
N
N
Y
6
N
N
Y
7
N
S
Y
8
N
C
Y
9
N
C
N
10
N
N
N
11
N
S
N
12
N
O
N
13
N
O
Y
14
N
C
Y
15
N
C
Y
16
N
C
Y
17
N
C
Y
18
N
C
Y
19
N
C
N
20
N
F
N
21
N
CL
N
22
N
N
N
23
N
H
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
N
N
31
S
C
N
32
N
C
N
33
N
O
N
34
N
C
N
35
N
O
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
H
N
42
N
H
N
43
N
N
N
44
S
C
N
45
N
C
N
46
N
O
N
47
N
C
N
48
N
C
N
49
N
C
N
50
N
N
N
51
N
C
N
52
N
N
N
53
N
N
N
54
N
O
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
N
N
71
S
C
N
72
N
C
N
73
N
O
N
74
N
C
N
75
N
C
N
76
N
O
N
77
N
N
N
78
N
O
N
79
N
H
N
80
N
H
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
N
N
88
S
C
N
89
N
C
N
90
N
O
N
91
N
C
N
92
N
C
N
93
N
O
N
94
N
O
N
95
N
O
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
N
N
104
R
C
N
105
N
C
N
106
N
O
N
107
N
C
N
108
N
S
N
109
N
O
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
N
N
118
S
C
N
119
N
C
N
120
N
O
N
121
N
C
N
122
N
C
N
123
N
C
N
124
N
O
N
125
N
N
N
126
N
O
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
N
142
N
C
N
143
N
C
N
144
N
O
N
145
N
O
N
146
N
O
N
147
N
H
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
N
N
157
N
C
N
158
N
C
N
159
N
O
N
160
N
O
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
C
N
167
N
O
N
168
N
C
N
169
N
O
N
170
N
C
N
171
N
O
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
Y
185
N
C
Y
186
N
N
Y
187
N
C
Y
188
N
C
Y
189
N
N
N
190
N
O
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
O
N
202
N
H
N
203
N
H
N
204
N
N
N
205
S
C
N
206
N
C
N
207
N
O
N
208
S
C
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
O
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
N
N
227
S
C
N
228
N
C
N
229
N
O
N
230
N
C
N
231
N
C
N
232
N
C
N
233
N
C
N
234
N
O
N
235
N
H
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
H
N
248
N
N
N
249
S
C
N
250
N
C
N
251
N
O
N
252
N
C
N
253
N
C
N
254
N
C
N
255
N
C
N
256
N
N
N
257
N
O
N
258
N
H
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
H
N
271
N
H
N
272
N
H
N
273
N
HG
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
Y
279
N
C
N
280
N
C
N
281
N
O
N
282
N
O
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
N
293
N
C
N
294
N
S
N
295
N
C
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
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
N
319
N
O
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
N
N
332
S
C
N
333
N
C
N
334
N
O
N
335
N
C
N
336
N
C
N
337
N
C
N
338
N
O
N
339
N
H
N
340
N
H
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
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
N
353
N
O
N
354
N
O
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
N
N
363
S
C
N
364
N
C
N
365
N
O
N
366
R
C
N
367
N
O
N
368
N
C
N
369
N
O
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
Y
384
N
C
Y
385
N
C
Y
386
N
C
Y
387
N
N
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
Y
392
N
C
N
393
N
O
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
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
N
N
407
S
C
N
408
N
C
N
409
N
O
N
410
N
C
Y
411
N
C
Y
412
N
C
Y
413
N
C
Y
414
N
C
Y
415
N
C
Y
416
N
C
N
417
N
O
N
418
N
O
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
N
N
431
S
C
N
432
N
C
N
433
N
O
N
434
N
C
N
435
N
C
N
436
N
C
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
ZN
N
1
N
doub
N
2
N
doub
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
Y
7
N
sing
Y
8
N
doub
Y
9
N
doub
Y
10
N
sing
Y
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
doub
N
16
N
doub
N
17
N
sing
Y
18
N
sing
Y
19
N
doub
N
20
N
sing
Y
21
N
doub
Y
22
N
sing
N
23
N
sing
Y
24
N
doub
N
25
N
sing
Y
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
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
doub
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
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
doub
N
50
N
sing
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
sing
N
62
N
sing
N
63
N
doub
N
64
N
sing
N
65
N
sing
N
66
N
sing
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
doub
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
doub
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
sing
N
90
N
sing
N
91
N
doub
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
doub
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
doub
N
107
N
sing
N
108
N
sing
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
sing
N
117
N
sing
N
118
N
sing
N
119
N
doub
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
sing
N
127
N
doub
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
sing
N
136
N
sing
N
137
N
sing
N
138
N
doub
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
doub
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
sing
N
178
N
doub
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
Y
183
N
sing
Y
184
N
doub
Y
185
N
doub
N
186
N
sing
Y
187
N
sing
N
188
N
sing
Y
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
sing
N
201
N
doub
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
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
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
Y
262
N
sing
Y
263
N
doub
Y
264
N
doub
N
265
N
sing
Y
266
N
sing
N
267
N
sing
Y
268
N
doub
N
269
N
sing
Y
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
doub
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
doub
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
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
doub
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
Y
306
N
doub
Y
307
N
sing
Y
308
N
sing
N
309
N
sing
Y
310
N
doub
N
311
N
sing
Y
312
N
doub
N
313
N
sing
Y
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
doub
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
doub
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
doub
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
Y
375
N
doub
Y
376
N
sing
Y
377
N
sing
N
378
N
sing
Y
379
N
doub
Y
380
N
sing
Y
381
N
sing
N
382
N
sing
Y
383
N
sing
Y
384
N
doub
N
385
N
sing
Y
386
N
doub
N
387
N
sing
Y
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
doub
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
Y
403
N
doub
Y
404
N
sing
Y
405
N
sing
N
406
N
sing
Y
407
N
doub
N
408
N
sing
Y
409
N
doub
N
410
N
sing
Y
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
doub
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
UK
Bioorg.Med.Chem.Lett.
BMCLE8
1127
0960-894X
16
6204
6208
10.1016/j.bmcl.2006.09.022
17000110
Carbonic anhydrase inhibitors: X-ray crystallographic studies for the binding of 5-amino-1,3,4-thiadiazole-2-sulfonamide and 5-(4-amino-3-chloro-5-fluorophenylsulfonamido)-1,3,4-thiadiazole-2-sulfonamide to human isoform II.
2006
US
Proteins: Struct.,Funct.,Genet.
PSFGEY
0867
0887-3585
4
274
282
10.1002/prot.340040406
3151019
Refined structure of human carbonic anhydrase II at 2.0 A resolution.
1988
10.2210/pdb2hoc/pdb
pdb_00002hoc
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2005-05-20
MAR CCD 165 mm
SINGLE WAVELENGTH
M
x-ray
1
1.2
1.0
5.2R
ELETTRA
1.2
SYNCHROTRON
ELETTRA BEAMLINE 5.2R
29157.863
Carbonic anhydrase 2
4.2.1.1
1
nat
polymer
65.409
ZINC ION
1
syn
non-polymer
387.819
5-{[(4-AMINO-3-CHLORO-5-FLUOROPHENYL)SULFONYL]AMINO}-1,3,4-THIADIAZOLE-2-SULFONAMIDE
2
syn
non-polymer
321.703
MERCURIBENZOIC ACID
1
syn
non-polymer
92.094
GLYCEROL
1
syn
non-polymer
18.015
water
161
nat
water
Carbonic anhydrase II, Carbonate dehydratase II, CA-II, Carbonic anhydrase C
no
no
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV
DNWRPAQPLKNRQIKASFK
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV
DNWRPAQPLKNRQIKASFK
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
human
human erythrocytes
Homo
sample
9606
Homo sapiens
1
2.08
40.75
VAPOR DIFFUSION, HANGING DROP
8.2
Ammonium Sulphate, Sodium Chloride, Tris-HCl, 4-(hydroxymercurybenzoate), pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Non-polymer description
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2006-10-10
1
1
2008-05-01
1
2
2011-07-13
1
3
2023-08-30
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr2_label_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_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_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Crystal structure of the human carbonic anhydrase II in complex with the 5-amino-1,3,4-thiadiazole-2-sulfonamide inhibitor
Refined structure of human carbonic anhydrase II at 2.0 angstroms resolution
RCSB
Y
RCSB
2006-07-14
REL
REL
ZN
ZINC ION
1CN
5-{[(4-AMINO-3-CHLORO-5-FLUOROPHENYL)SULFONYL]AMINO}-1,3,4-THIADIAZOLE-2-SULFONAMIDE
MBO
MERCURIBENZOIC ACID
GOL
GLYCEROL
HOH
water
1CA2
PDB ENTRY 1CA2
PDB
experimental model
ZN
263
2
ZN
ZN
263
A
1CN
265
3
1CN
1CN
265
A
1CN
266
3
1CN
1CN
266
A
MBO
267
4
MBO
MBO
267
A
GOL
702
5
GOL
GOL
702
A
HOH
400
6
HOH
HOH
400
A
HOH
401
6
HOH
HOH
401
A
HOH
402
6
HOH
HOH
402
A
HOH
403
6
HOH
HOH
403
A
HOH
404
6
HOH
HOH
404
A
HOH
405
6
HOH
HOH
405
A
HOH
406
6
HOH
HOH
406
A
HOH
407
6
HOH
HOH
407
A
HOH
408
6
HOH
HOH
408
A
HOH
409
6
HOH
HOH
409
A
HOH
410
6
HOH
HOH
410
A
HOH
411
6
HOH
HOH
411
A
HOH
412
6
HOH
HOH
412
A
HOH
413
6
HOH
HOH
413
A
HOH
414
6
HOH
HOH
414
A
HOH
415
6
HOH
HOH
415
A
HOH
416
6
HOH
HOH
416
A
HOH
417
6
HOH
HOH
417
A
HOH
418
6
HOH
HOH
418
A
HOH
419
6
HOH
HOH
419
A
HOH
420
6
HOH
HOH
420
A
HOH
421
6
HOH
HOH
421
A
HOH
422
6
HOH
HOH
422
A
HOH
423
6
HOH
HOH
423
A
HOH
424
6
HOH
HOH
424
A
HOH
425
6
HOH
HOH
425
A
HOH
426
6
HOH
HOH
426
A
HOH
427
6
HOH
HOH
427
A
HOH
428
6
HOH
HOH
428
A
HOH
429
6
HOH
HOH
429
A
HOH
430
6
HOH
HOH
430
A
HOH
431
6
HOH
HOH
431
A
HOH
432
6
HOH
HOH
432
A
HOH
433
6
HOH
HOH
433
A
HOH
434
6
HOH
HOH
434
A
HOH
435
6
HOH
HOH
435
A
HOH
436
6
HOH
HOH
436
A
HOH
437
6
HOH
HOH
437
A
HOH
438
6
HOH
HOH
438
A
HOH
439
6
HOH
HOH
439
A
HOH
440
6
HOH
HOH
440
A
HOH
441
6
HOH
HOH
441
A
HOH
442
6
HOH
HOH
442
A
HOH
443
6
HOH
HOH
443
A
HOH
444
6
HOH
HOH
444
A
HOH
445
6
HOH
HOH
445
A
HOH
446
6
HOH
HOH
446
A
HOH
447
6
HOH
HOH
447
A
HOH
448
6
HOH
HOH
448
A
HOH
449
6
HOH
HOH
449
A
HOH
450
6
HOH
HOH
450
A
HOH
451
6
HOH
HOH
451
A
HOH
452
6
HOH
HOH
452
A
HOH
453
6
HOH
HOH
453
A
HOH
454
6
HOH
HOH
454
A
HOH
455
6
HOH
HOH
455
A
HOH
456
6
HOH
HOH
456
A
HOH
457
6
HOH
HOH
457
A
HOH
458
6
HOH
HOH
458
A
HOH
459
6
HOH
HOH
459
A
HOH
460
6
HOH
HOH
460
A
HOH
461
6
HOH
HOH
461
A
HOH
462
6
HOH
HOH
462
A
HOH
463
6
HOH
HOH
463
A
HOH
464
6
HOH
HOH
464
A
HOH
465
6
HOH
HOH
465
A
HOH
466
6
HOH
HOH
466
A
HOH
467
6
HOH
HOH
467
A
HOH
468
6
HOH
HOH
468
A
HOH
469
6
HOH
HOH
469
A
HOH
470
6
HOH
HOH
470
A
HOH
471
6
HOH
HOH
471
A
HOH
472
6
HOH
HOH
472
A
HOH
473
6
HOH
HOH
473
A
HOH
474
6
HOH
HOH
474
A
HOH
475
6
HOH
HOH
475
A
HOH
476
6
HOH
HOH
476
A
HOH
477
6
HOH
HOH
477
A
HOH
478
6
HOH
HOH
478
A
HOH
479
6
HOH
HOH
479
A
HOH
480
6
HOH
HOH
480
A
HOH
481
6
HOH
HOH
481
A
HOH
482
6
HOH
HOH
482
A
HOH
483
6
HOH
HOH
483
A
HOH
484
6
HOH
HOH
484
A
HOH
485
6
HOH
HOH
485
A
HOH
486
6
HOH
HOH
486
A
HOH
487
6
HOH
HOH
487
A
HOH
488
6
HOH
HOH
488
A
HOH
489
6
HOH
HOH
489
A
HOH
490
6
HOH
HOH
490
A
HOH
491
6
HOH
HOH
491
A
HOH
492
6
HOH
HOH
492
A
HOH
493
6
HOH
HOH
493
A
HOH
494
6
HOH
HOH
494
A
HOH
495
6
HOH
HOH
495
A
HOH
496
6
HOH
HOH
496
A
HOH
497
6
HOH
HOH
497
A
HOH
498
6
HOH
HOH
498
A
HOH
499
6
HOH
HOH
499
A
HOH
500
6
HOH
HOH
500
A
HOH
501
6
HOH
HOH
501
A
HOH
502
6
HOH
HOH
502
A
HOH
503
6
HOH
HOH
503
A
HOH
504
6
HOH
HOH
504
A
HOH
505
6
HOH
HOH
505
A
HOH
506
6
HOH
HOH
506
A
HOH
507
6
HOH
HOH
507
A
HOH
508
6
HOH
HOH
508
A
HOH
509
6
HOH
HOH
509
A
HOH
510
6
HOH
HOH
510
A
HOH
511
6
HOH
HOH
511
A
HOH
512
6
HOH
HOH
512
A
HOH
513
6
HOH
HOH
513
A
HOH
514
6
HOH
HOH
514
A
HOH
515
6
HOH
HOH
515
A
HOH
516
6
HOH
HOH
516
A
HOH
517
6
HOH
HOH
517
A
HOH
518
6
HOH
HOH
518
A
HOH
519
6
HOH
HOH
519
A
HOH
520
6
HOH
HOH
520
A
HOH
521
6
HOH
HOH
521
A
HOH
522
6
HOH
HOH
522
A
HOH
523
6
HOH
HOH
523
A
HOH
524
6
HOH
HOH
524
A
HOH
525
6
HOH
HOH
525
A
HOH
526
6
HOH
HOH
526
A
HOH
527
6
HOH
HOH
527
A
HOH
528
6
HOH
HOH
528
A
HOH
529
6
HOH
HOH
529
A
HOH
530
6
HOH
HOH
530
A
HOH
531
6
HOH
HOH
531
A
HOH
532
6
HOH
HOH
532
A
HOH
533
6
HOH
HOH
533
A
HOH
534
6
HOH
HOH
534
A
HOH
535
6
HOH
HOH
535
A
HOH
536
6
HOH
HOH
536
A
HOH
537
6
HOH
HOH
537
A
HOH
538
6
HOH
HOH
538
A
HOH
539
6
HOH
HOH
539
A
HOH
540
6
HOH
HOH
540
A
HOH
541
6
HOH
HOH
541
A
HOH
542
6
HOH
HOH
542
A
HOH
543
6
HOH
HOH
543
A
HOH
544
6
HOH
HOH
544
A
HOH
545
6
HOH
HOH
545
A
HOH
546
6
HOH
HOH
546
A
HOH
547
6
HOH
HOH
547
A
HOH
548
6
HOH
HOH
548
A
HOH
549
6
HOH
HOH
549
A
HOH
550
6
HOH
HOH
550
A
HOH
551
6
HOH
HOH
551
A
HOH
552
6
HOH
HOH
552
A
HOH
553
6
HOH
HOH
553
A
HOH
554
6
HOH
HOH
554
A
HOH
555
6
HOH
HOH
555
A
HOH
556
6
HOH
HOH
556
A
HOH
557
6
HOH
HOH
557
A
HOH
558
6
HOH
HOH
558
A
HOH
559
6
HOH
HOH
559
A
HOH
560
6
HOH
HOH
560
A
n
1
2
A
HIS
3
n
2
HIS
3
A
HIS
4
n
3
HIS
4
A
TRP
5
n
4
TRP
5
A
GLY
6
n
5
GLY
6
A
TYR
7
n
6
TYR
7
A
GLY
8
n
7
GLY
8
A
LYS
9
n
8
LYS
9
A
HIS
10
n
9
HIS
10
A
ASN
11
n
10
ASN
11
A
GLY
12
n
11
GLY
12
A
PRO
13
n
12
PRO
13
A
GLU
14
n
13
GLU
14
A
HIS
15
n
14
HIS
15
A
TRP
16
n
15
TRP
16
A
HIS
17
n
16
HIS
17
A
LYS
18
n
17
LYS
18
A
ASP
19
n
18
ASP
19
A
PHE
20
n
19
PHE
20
A
PRO
21
n
20
PRO
21
A
ILE
22
n
21
ILE
22
A
ALA
23
n
22
ALA
23
A
LYS
24
n
23
LYS
24
A
GLY
25
n
24
GLY
25
A
GLU
26
n
25
GLU
26
A
ARG
27
n
26
ARG
27
A
GLN
28
n
27
GLN
28
A
SER
29
n
28
SER
29
A
PRO
30
n
29
PRO
30
A
VAL
31
n
30
VAL
31
A
ASP
32
n
31
ASP
32
A
ILE
33
n
32
ILE
33
A
ASP
34
n
33
ASP
34
A
THR
35
n
34
THR
35
A
HIS
36
n
35
HIS
36
A
THR
37
n
36
THR
37
A
ALA
38
n
37
ALA
38
A
LYS
39
n
38
LYS
39
A
TYR
40
n
39
TYR
40
A
ASP
41
n
40
ASP
41
A
PRO
42
n
41
PRO
42
A
SER
43
n
42
SER
43
A
LEU
44
n
43
LEU
44
A
LYS
45
n
44
LYS
45
A
PRO
46
n
45
PRO
46
A
LEU
47
n
46
LEU
47
A
SER
48
n
47
SER
48
A
VAL
49
n
48
VAL
49
A
SER
50
n
49
SER
50
A
TYR
51
n
50
TYR
51
A
ASP
52
n
51
ASP
52
A
GLN
53
n
52
GLN
53
A
ALA
54
n
53
ALA
54
A
THR
55
n
54
THR
55
A
SER
56
n
55
SER
56
A
LEU
57
n
56
LEU
57
A
ARG
58
n
57
ARG
58
A
ILE
59
n
58
ILE
59
A
LEU
60
n
59
LEU
60
A
ASN
61
n
60
ASN
61
A
ASN
62
n
61
ASN
62
A
GLY
63
n
62
GLY
63
A
HIS
64
n
63
HIS
64
A
ALA
65
n
64
ALA
65
A
PHE
66
n
65
PHE
66
A
ASN
67
n
66
ASN
67
A
VAL
68
n
67
VAL
68
A
GLU
69
n
68
GLU
69
A
PHE
70
n
69
PHE
70
A
ASP
71
n
70
ASP
71
A
ASP
72
n
71
ASP
72
A
SER
73
n
72
SER
73
A
GLN
74
n
73
GLN
74
A
ASP
75
n
74
ASP
75
A
LYS
76
n
75
LYS
76
A
ALA
77
n
76
ALA
77
A
VAL
78
n
77
VAL
78
A
LEU
79
n
78
LEU
79
A
LYS
80
n
79
LYS
80
A
GLY
81
n
80
GLY
81
A
GLY
82
n
81
GLY
82
A
PRO
83
n
82
PRO
83
A
LEU
84
n
83
LEU
84
A
ASP
85
n
84
ASP
85
A
GLY
86
n
85
GLY
86
A
THR
87
n
86
THR
87
A
TYR
88
n
87
TYR
88
A
ARG
89
n
88
ARG
89
A
LEU
90
n
89
LEU
90
A
ILE
91
n
90
ILE
91
A
GLN
92
n
91
GLN
92
A
PHE
93
n
92
PHE
93
A
HIS
94
n
93
HIS
94
A
PHE
95
n
94
PHE
95
A
HIS
96
n
95
HIS
96
A
TRP
97
n
96
TRP
97
A
GLY
98
n
97
GLY
98
A
SER
99
n
98
SER
99
A
LEU
100
n
99
LEU
100
A
ASP
101
n
100
ASP
101
A
GLY
102
n
101
GLY
102
A
GLN
103
n
102
GLN
103
A
GLY
104
n
103
GLY
104
A
SER
105
n
104
SER
105
A
GLU
106
n
105
GLU
106
A
HIS
107
n
106
HIS
107
A
THR
108
n
107
THR
108
A
VAL
109
n
108
VAL
109
A
ASP
110
n
109
ASP
110
A
LYS
111
n
110
LYS
111
A
LYS
112
n
111
LYS
112
A
LYS
113
n
112
LYS
113
A
TYR
114
n
113
TYR
114
A
ALA
115
n
114
ALA
115
A
ALA
116
n
115
ALA
116
A
GLU
117
n
116
GLU
117
A
LEU
118
n
117
LEU
118
A
HIS
119
n
118
HIS
119
A
LEU
120
n
119
LEU
120
A
VAL
121
n
120
VAL
121
A
HIS
122
n
121
HIS
122
A
TRP
123
n
122
TRP
123
A
ASN
124
n
123
ASN
124
A
THR
125
n
124
THR
125
A
LYS
127
n
125
LYS
127
A
TYR
128
n
126
TYR
128
A
GLY
129
n
127
GLY
129
A
ASP
130
n
128
ASP
130
A
PHE
131
n
129
PHE
131
A
GLY
132
n
130
GLY
132
A
LYS
133
n
131
LYS
133
A
ALA
134
n
132
ALA
134
A
VAL
135
n
133
VAL
135
A
GLN
136
n
134
GLN
136
A
GLN
137
n
135
GLN
137
A
PRO
138
n
136
PRO
138
A
ASP
139
n
137
ASP
139
A
GLY
140
n
138
GLY
140
A
LEU
141
n
139
LEU
141
A
ALA
142
n
140
ALA
142
A
VAL
143
n
141
VAL
143
A
LEU
144
n
142
LEU
144
A
GLY
145
n
143
GLY
145
A
ILE
146
n
144
ILE
146
A
PHE
147
n
145
PHE
147
A
LEU
148
n
146
LEU
148
A
LYS
149
n
147
LYS
149
A
VAL
150
n
148
VAL
150
A
GLY
151
n
149
GLY
151
A
SER
152
n
150
SER
152
A
ALA
153
n
151
ALA
153
A
LYS
154
n
152
LYS
154
A
PRO
155
n
153
PRO
155
A
GLY
156
n
154
GLY
156
A
LEU
157
n
155
LEU
157
A
GLN
158
n
156
GLN
158
A
LYS
159
n
157
LYS
159
A
VAL
160
n
158
VAL
160
A
VAL
161
n
159
VAL
161
A
ASP
162
n
160
ASP
162
A
VAL
163
n
161
VAL
163
A
LEU
164
n
162
LEU
164
A
ASP
165
n
163
ASP
165
A
SER
166
n
164
SER
166
A
ILE
167
n
165
ILE
167
A
LYS
168
n
166
LYS
168
A
THR
169
n
167
THR
169
A
LYS
170
n
168
LYS
170
A
GLY
171
n
169
GLY
171
A
LYS
172
n
170
LYS
172
A
SER
173
n
171
SER
173
A
ALA
174
n
172
ALA
174
A
ASP
175
n
173
ASP
175
A
PHE
176
n
174
PHE
176
A
THR
177
n
175
THR
177
A
ASN
178
n
176
ASN
178
A
PHE
179
n
177
PHE
179
A
ASP
180
n
178
ASP
180
A
PRO
181
n
179
PRO
181
A
ARG
182
n
180
ARG
182
A
GLY
183
n
181
GLY
183
A
LEU
184
n
182
LEU
184
A
LEU
185
n
183
LEU
185
A
PRO
186
n
184
PRO
186
A
GLU
187
n
185
GLU
187
A
SER
188
n
186
SER
188
A
LEU
189
n
187
LEU
189
A
ASP
190
n
188
ASP
190
A
TYR
191
n
189
TYR
191
A
TRP
192
n
190
TRP
192
A
THR
193
n
191
THR
193
A
TYR
194
n
192
TYR
194
A
PRO
195
n
193
PRO
195
A
GLY
196
n
194
GLY
196
A
SER
197
n
195
SER
197
A
LEU
198
n
196
LEU
198
A
THR
199
n
197
THR
199
A
THR
200
n
198
THR
200
A
PRO
201
n
199
PRO
201
A
PRO
202
n
200
PRO
202
A
LEU
203
n
201
LEU
203
A
LEU
204
n
202
LEU
204
A
GLU
205
n
203
GLU
205
A
CYS
206
n
204
CYS
206
A
VAL
207
n
205
VAL
207
A
THR
208
n
206
THR
208
A
TRP
209
n
207
TRP
209
A
ILE
210
n
208
ILE
210
A
VAL
211
n
209
VAL
211
A
LEU
212
n
210
LEU
212
A
LYS
213
n
211
LYS
213
A
GLU
214
n
212
GLU
214
A
PRO
215
n
213
PRO
215
A
ILE
216
n
214
ILE
216
A
SER
217
n
215
SER
217
A
VAL
218
n
216
VAL
218
A
SER
219
n
217
SER
219
A
SER
220
n
218
SER
220
A
GLU
221
n
219
GLU
221
A
GLN
222
n
220
GLN
222
A
VAL
223
n
221
VAL
223
A
LEU
224
n
222
LEU
224
A
LYS
225
n
223
LYS
225
A
PHE
226
n
224
PHE
226
A
ARG
227
n
225
ARG
227
A
LYS
228
n
226
LYS
228
A
LEU
229
n
227
LEU
229
A
ASN
230
n
228
ASN
230
A
PHE
231
n
229
PHE
231
A
ASN
232
n
230
ASN
232
A
GLY
233
n
231
GLY
233
A
GLU
234
n
232
GLU
234
A
GLY
235
n
233
GLY
235
A
GLU
236
n
234
GLU
236
A
PRO
237
n
235
PRO
237
A
GLU
238
n
236
GLU
238
A
GLU
239
n
237
GLU
239
A
LEU
240
n
238
LEU
240
A
MET
241
n
239
MET
241
A
VAL
242
n
240
VAL
242
A
ASP
243
n
241
ASP
243
A
ASN
244
n
242
ASN
244
A
TRP
245
n
243
TRP
245
A
ARG
246
n
244
ARG
246
A
PRO
247
n
245
PRO
247
A
ALA
248
n
246
ALA
248
A
GLN
249
n
247
GLN
249
A
PRO
250
n
248
PRO
250
A
LEU
251
n
249
LEU
251
A
LYS
252
n
250
LYS
252
A
ASN
253
n
251
ASN
253
A
ARG
254
n
252
ARG
254
A
GLN
255
n
253
GLN
255
A
ILE
256
n
254
ILE
256
A
LYS
257
n
255
LYS
257
A
ALA
258
n
256
ALA
258
A
SER
259
n
257
SER
259
A
PHE
260
n
258
PHE
260
A
LYS
261
n
259
LYS
261
A
author_defined_assembly
1
monomeric
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
263
B
ZN
ZN
1_555
A
HIS
96
A
NE2
HIS
95
1_555
107.1
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
263
B
ZN
ZN
1_555
A
HIS
119
A
ND1
HIS
118
1_555
116.2
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
263
B
ZN
ZN
1_555
A
HIS
119
A
ND1
HIS
118
1_555
105.5
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
263
B
ZN
ZN
1_555
A
1CN
265
C
N1
1CN
1_555
109.6
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
263
B
ZN
ZN
1_555
A
1CN
265
C
N1
1CN
1_555
108.0
A
HIS
119
A
ND1
HIS
118
1_555
A
ZN
263
B
ZN
ZN
1_555
A
1CN
265
C
N1
1CN
1_555
110.1
A
GLN
137
A
O
GLN
135
1_555
A
MBO
267
E
HG
MBO
1_555
A
MBO
267
E
CE1
MBO
1_555
100.0
A
GLN
137
A
O
GLN
135
1_555
A
MBO
267
E
HG
MBO
1_555
A
CYS
206
A
SG
CYS
204
1_555
84.5
A
MBO
267
E
CE1
MBO
1_555
A
MBO
267
E
HG
MBO
1_555
A
CYS
206
A
SG
CYS
204
1_555
171.0
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
ILE
33
A
N
ILE
32
A
O
THR
108
A
O
THR
107
A
N
LYS
39
A
N
LYS
38
A
O
ALA
258
A
O
ALA
256
A
O
LYS
257
A
O
LYS
255
A
N
THR
193
A
N
THR
191
A
N
GLY
196
A
N
GLY
194
A
O
VAL
207
A
O
VAL
205
A
O
ILE
210
A
O
ILE
208
A
N
GLY
145
A
N
GLY
143
A
O
ILE
146
A
O
ILE
144
A
N
LEU
118
A
N
LEU
117
A
O
VAL
121
A
O
VAL
120
A
N
GLN
92
A
N
GLN
91
A
O
ILE
91
A
O
ILE
90
A
N
PHE
70
A
N
PHE
69
A
O
GLU
69
A
O
GLU
68
A
N
LEU
57
A
N
LEU
56
A
N
ILE
59
A
N
ILE
58
A
O
ALA
174
A
O
ALA
172
A
N
SER
48
A
N
SER
47
A
O
LYS
80
A
O
LYS
79
A
N
LEU
79
A
N
LEU
78
A
O
TYR
88
A
O
TYR
87
A
N
GLN
92
A
N
GLN
91
A
O
VAL
121
A
O
VAL
120
A
N
LEU
118
A
N
LEU
117
A
O
ILE
146
A
O
ILE
144
A
N
LYS
149
A
N
LYS
147
A
O
VAL
218
A
O
VAL
216
1
A
CB
HIS
3
A
CB
HIS
2
0
Y
1
A
CG
HIS
3
A
CG
HIS
2
0
Y
1
A
ND1
HIS
3
A
ND1
HIS
2
0
Y
1
A
CD2
HIS
3
A
CD2
HIS
2
0
Y
1
A
CE1
HIS
3
A
CE1
HIS
2
0
Y
1
A
NE2
HIS
3
A
NE2
HIS
2
0
Y
1
A
C
HIS
4
A
C
HIS
3
0
Y
1
A
CB
HIS
4
A
CB
HIS
3
0
Y
1
A
CG
HIS
4
A
CG
HIS
3
0
Y
1
A
ND1
HIS
4
A
ND1
HIS
3
0
Y
1
A
CD2
HIS
4
A
CD2
HIS
3
0
Y
1
A
CE1
HIS
4
A
CE1
HIS
3
0
Y
1
A
NE2
HIS
4
A
NE2
HIS
3
0
Y
1
A
CG
LYS
9
A
CG
LYS
8
0
Y
1
A
CD
LYS
9
A
CD
LYS
8
0
Y
1
A
CE
LYS
9
A
CE
LYS
8
0
Y
1
A
NZ
LYS
9
A
NZ
LYS
8
0
Y
1
A
C
LYS
45
A
C
LYS
44
0
Y
1
A
CG
LYS
45
A
CG
LYS
44
0
Y
1
A
CD
LYS
45
A
CD
LYS
44
0
Y
1
A
CE
LYS
45
A
CE
LYS
44
0
Y
1
A
NZ
LYS
45
A
NZ
LYS
44
0
Y
1
A
CG
LYS
80
A
CG
LYS
79
0
Y
1
A
CD
LYS
80
A
CD
LYS
79
0
Y
1
A
CE
LYS
80
A
CE
LYS
79
0
Y
1
A
NZ
LYS
80
A
NZ
LYS
79
0
Y
1
A
CD
LYS
159
A
CD
LYS
157
0
Y
1
A
CE
LYS
159
A
CE
LYS
157
0
Y
1
A
NZ
LYS
159
A
NZ
LYS
157
0
Y
1
A
OE2
GLU
236
A
OE2
GLU
234
0
Y
1
A
CE
LYS
257
A
CE
LYS
255
0
Y
1
A
NZ
LYS
257
A
NZ
LYS
255
0
Y
1
A
CG
LYS
261
A
CG
LYS
259
0
Y
1
A
CD
LYS
261
A
CD
LYS
259
0
Y
1
A
CE
LYS
261
A
CE
LYS
259
0
Y
1
A
NZ
LYS
261
A
NZ
LYS
259
0
Y
1
A
SER
2
A
SER
1
1
Y
1
A
ASN
11
-141.36
18.46
1
A
ILE
22
-59.60
-9.35
1
A
ALA
65
-172.31
-170.20
1
A
LYS
111
72.23
-6.32
1
A
ASN
244
-90.88
45.96
1
A
LYS
252
51.60
-128.40
1
A
ASN
253
-90.44
59.37
protein_rep.param
water_tris.param
ion.param
ini10.par
gol_low.par
0.223
0.184
2.10
20.00
616
11967
11351
RANDOM
1
0
0
FOURIER SYNTHESIS
PDB ENTRY 1CA2
Engh & Huber
2.10
20.00
161
2281
61
0
2059
0.009
1.3
2.10
20.00
2HOC
12269
12269
0.08
1
13.4
87.0
2.10
2.17
4.85
0.236
1
75.6
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
Crystal structure of the human carbonic anhydrase II in complex with the 5-(4-amino-3-chloro-5-fluorophenylsulfonamido)-1,3,4-thiadiazole-2-sulfonamide inhibitor
1
N
N
2
N
N
3
N
N
3
N
N
4
N
N
5
N
N
6
N
N
The biological assembly is a monomer.
A
HIS
15
A
HIS
14
HELX_P
A
ASP
19
A
ASP
18
5
1
5
A
PHE
20
A
PHE
19
HELX_P
A
GLY
25
A
GLY
24
5
2
6
A
LYS
127
A
LYS
125
HELX_P
A
GLY
129
A
GLY
127
5
3
3
A
ASP
130
A
ASP
128
HELX_P
A
VAL
135
A
VAL
133
1
4
6
A
LYS
154
A
LYS
152
HELX_P
A
GLY
156
A
GLY
154
5
5
3
A
LEU
157
A
LEU
155
HELX_P
A
LEU
164
A
LEU
162
1
6
8
A
ASP
165
A
ASP
163
HELX_P
A
LYS
168
A
LYS
166
5
7
4
A
ASP
180
A
ASP
178
HELX_P
A
LEU
185
A
LEU
183
5
8
6
A
SER
219
A
SER
217
HELX_P
A
ARG
227
A
ARG
225
1
9
9
metalc
2.073
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
263
B
ZN
ZN
1_555
metalc
2.036
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
263
B
ZN
ZN
1_555
metalc
1.989
A
HIS
119
A
ND1
HIS
118
1_555
A
ZN
263
B
ZN
ZN
1_555
metalc
2.965
A
GLN
137
A
O
GLN
135
1_555
A
MBO
267
E
HG
MBO
1_555
metalc
2.108
A
CYS
206
A
SG
CYS
204
1_555
A
MBO
267
E
HG
MBO
1_555
metalc
1.984
A
ZN
263
B
ZN
ZN
1_555
A
1CN
265
C
N1
1CN
1_555
LYASE
Protein-inhibitor complex, LYASE
A
SER
29
A
SER
28
1
A
PRO
30
A
PRO
29
-0.09
A
PRO
201
A
PRO
199
1
A
PRO
202
A
PRO
200
1.78
CAH2_HUMAN
UNP
1
1
P00918
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV
DNWRPAQPLKNRQIKASFK
1
259
2HOC
2
260
P00918
A
1
1
258
2
10
6
parallel
parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
A
ASP
32
A
ASP
31
A
ILE
33
A
ILE
32
A
THR
108
A
THR
107
A
VAL
109
A
VAL
108
A
LYS
39
A
LYS
38
A
TYR
40
A
TYR
39
A
LYS
257
A
LYS
255
A
ALA
258
A
ALA
256
A
TYR
191
A
TYR
189
A
GLY
196
A
GLY
194
A
VAL
207
A
VAL
205
A
LEU
212
A
LEU
210
A
LEU
141
A
LEU
139
A
VAL
150
A
VAL
148
A
ALA
116
A
ALA
115
A
ASN
124
A
ASN
123
A
TYR
88
A
TYR
87
A
TRP
97
A
TRP
96
A
PHE
66
A
PHE
65
A
PHE
70
A
PHE
69
A
SER
56
A
SER
55
A
ASN
61
A
ASN
60
A
SER
173
A
SER
171
A
ASP
175
A
ASP
173
A
LYS
45
A
LYS
44
A
SER
50
A
SER
49
A
VAL
78
A
VAL
77
A
GLY
82
A
GLY
81
A
TYR
88
A
TYR
87
A
TRP
97
A
TRP
96
A
ALA
116
A
ALA
115
A
ASN
124
A
ASN
123
A
LEU
141
A
LEU
139
A
VAL
150
A
VAL
148
A
ILE
216
A
ILE
214
A
VAL
218
A
VAL
216
BINDING SITE FOR RESIDUE ZN A 263
A
ZN
263
Software
4
BINDING SITE FOR RESIDUE 1CN A 265
A
1CN
265
Software
13
BINDING SITE FOR RESIDUE 1CN A 266
A
1CN
266
Software
10
BINDING SITE FOR RESIDUE MBO A 267
A
MBO
267
Software
6
BINDING SITE FOR RESIDUE GOL A 702
A
GOL
702
Software
7
A
HIS
94
A
HIS
93
4
1_555
A
HIS
96
A
HIS
95
4
1_555
A
HIS
119
A
HIS
118
4
1_555
A
1CN
265
C
1CN
4
1_555
A
HIS
94
A
HIS
93
13
1_555
A
HIS
96
A
HIS
95
13
1_555
A
HIS
119
A
HIS
118
13
1_555
A
PHE
131
A
PHE
129
13
1_555
A
VAL
135
A
VAL
133
13
1_555
A
LEU
198
A
LEU
196
13
1_555
A
THR
199
A
THR
197
13
1_555
A
THR
200
A
THR
198
13
1_555
A
LEU
204
A
LEU
202
13
1_555
A
TRP
209
A
TRP
207
13
1_555
A
ZN
263
B
ZN
13
1_555
A
HOH
525
G
HOH
13
1_555
A
GOL
702
F
GOL
13
1_555
A
PHE
20
A
PHE
19
10
1_555
A
PRO
21
A
PRO
20
10
1_555
A
ILE
22
A
ILE
21
10
1_555
A
VAL
135
A
VAL
133
10
1_555
A
GLN
136
A
GLN
134
10
1_555
A
PRO
202
A
PRO
200
10
1_555
A
LEU
204
A
LEU
202
10
1_555
A
GLU
205
A
GLU
203
10
1_555
A
MBO
267
E
MBO
10
1_555
A
HOH
404
G
HOH
10
1_555
A
GLN
137
A
GLN
135
6
1_555
A
PRO
138
A
PRO
136
6
1_555
A
GLU
205
A
GLU
203
6
1_555
A
CYS
206
A
CYS
204
6
1_555
A
1CN
266
D
1CN
6
1_555
A
HOH
413
G
HOH
6
1_555
A
ASN
62
A
ASN
61
7
1_555
A
HIS
64
A
HIS
63
7
1_555
A
ASN
67
A
ASN
66
7
1_555
A
GLN
92
A
GLN
91
7
1_555
A
HIS
94
A
HIS
93
7
1_555
A
1CN
265
C
1CN
7
1_555
A
HOH
411
G
HOH
7
1_555
4
P 1 21 1