0.023668
0.000000
0.006037
0.000000
0.024333
0.000000
0.000000
0.000000
0.014370
0.00000
0.00000
0.00000
Robbins, A.H.
Genis, C.
Domsic, J.
Sippel, K.H.
Agbandje-McKenna, M.
McKenna, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
104.31
90.00
42.252
41.097
71.820
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
C4 H6 N4 O3 S2
222.245
5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE
non-polymer
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
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
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
Y
74
N
C
Y
75
N
C
N
76
N
C
N
77
N
C
N
78
N
N
Y
79
N
N
Y
80
N
N
N
81
N
N
N
82
N
O
N
83
N
O
N
84
N
O
N
85
N
S
Y
86
N
S
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
N
N
94
R
C
N
95
N
C
N
96
N
O
N
97
N
C
N
98
N
S
N
99
N
O
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
N
N
108
S
C
N
109
N
C
N
110
N
O
N
111
N
C
N
112
N
C
N
113
N
C
N
114
N
O
N
115
N
N
N
116
N
O
N
117
N
H
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
S
C
N
129
N
C
N
130
N
O
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
O
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
N
N
147
N
C
N
148
N
C
N
149
N
O
N
150
N
O
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
C
N
157
N
O
N
158
N
C
N
159
N
O
N
160
N
C
N
161
N
O
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
N
N
171
S
C
N
172
N
C
N
173
N
O
N
174
N
C
Y
175
N
C
Y
176
N
N
Y
177
N
C
Y
178
N
C
Y
179
N
N
N
180
N
O
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
N
N
195
S
C
N
196
N
C
N
197
N
O
N
198
S
C
N
199
N
C
N
200
N
C
N
201
N
C
N
202
N
O
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
N
N
217
S
C
N
218
N
C
N
219
N
O
N
220
N
C
N
221
N
C
N
222
N
C
N
223
N
C
N
224
N
O
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
N
N
239
S
C
N
240
N
C
N
241
N
O
N
242
N
C
N
243
N
C
N
244
N
C
N
245
N
C
N
246
N
N
N
247
N
O
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
N
N
264
S
C
N
265
N
C
N
266
N
O
N
267
N
C
N
268
N
C
N
269
N
S
N
270
N
C
N
271
N
O
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
N
N
284
S
C
N
285
N
C
N
286
N
O
N
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
Y
292
N
C
Y
293
N
C
N
294
N
O
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
N
N
307
S
C
N
308
N
C
N
309
N
O
N
310
N
C
N
311
N
C
N
312
N
C
N
313
N
O
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
N
N
324
S
C
N
325
N
C
N
326
N
O
N
327
N
C
N
328
N
O
N
329
N
O
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
N
N
338
S
C
N
339
N
C
N
340
N
O
N
341
R
C
N
342
N
O
N
343
N
C
N
344
N
O
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
N
N
355
S
C
N
356
N
C
N
357
N
O
N
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
N
Y
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
Y
367
N
C
N
368
N
O
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
H
N
380
N
H
N
381
N
N
N
382
S
C
N
383
N
C
N
384
N
O
N
385
N
C
Y
386
N
C
Y
387
N
C
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
N
392
N
O
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
N
N
406
S
C
N
407
N
C
N
408
N
O
N
409
N
C
N
410
N
C
N
411
N
C
N
412
N
O
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
ZN
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
Y
70
N
doub
N
71
N
sing
Y
72
N
sing
Y
73
N
doub
N
74
N
sing
Y
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
doub
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
Y
85
N
sing
N
86
N
sing
N
87
N
doub
N
88
N
doub
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
doub
N
96
N
sing
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
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
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
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
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
doub
N
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
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
doub
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
Y
172
N
sing
Y
173
N
doub
Y
174
N
doub
N
175
N
sing
Y
176
N
sing
N
177
N
sing
Y
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
doub
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
doub
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
doub
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
doub
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
doub
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
Y
280
N
doub
Y
281
N
sing
Y
282
N
sing
N
283
N
sing
Y
284
N
doub
N
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
doub
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
doub
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
sing
N
328
N
doub
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
doub
Y
354
N
sing
Y
355
N
sing
N
356
N
sing
Y
357
N
sing
Y
358
N
doub
N
359
N
sing
Y
360
N
doub
N
361
N
sing
Y
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
sing
N
372
N
doub
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
Y
377
N
doub
Y
378
N
sing
Y
379
N
sing
N
380
N
sing
Y
381
N
doub
N
382
N
sing
Y
383
N
doub
N
384
N
sing
Y
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
sing
N
396
N
doub
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
N
407
N
sing
DK
Acta Crystallogr.,Sect.F
1744-3091
65
992
995
10.1107/S1744309109036665
19851004
High-resolution structure of human carbonic anhydrase II complexed with acetazolamide reveals insights into inhibitor drug design.
2009
UK
Int.J.Biol.Macromol.
IJBMDR
0708
0141-8130
12
342
344
2128470
Refined structure of the acetazolamide complex of human carbonic anhydrase II at 1.9 A.
1990
10.2210/pdb3hs4/pdb
pdb_00003hs4
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
Mirrors
CCD
2006-11-10
ADSC QUANTUM 210
Asymmetric cut Si(111)
SINGLE WAVELENGTH
M
x-ray
1
0.997
1.0
A1
CHESS
0.997
SYNCHROTRON
CHESS BEAMLINE A1
29289.062
Carbonic anhydrase 2
4.2.1.1
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
92.094
GLYCEROL
1
syn
non-polymer
222.245
5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE
3
syn
non-polymer
18.015
water
404
nat
water
Carbonic anhydrase II, CA-II, Carbonate dehydratase II, Carbonic anhydrase C, CAC
no
no
MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLK
GGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVV
DVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELM
VDNWRPAQPLKNRQIKASFK
MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLK
GGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVV
DVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELM
VDNWRPAQPLKNRQIKASFK
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
human
sample
CA2
9606
Homo sapiens
562
Escherichia coli
BL21(DE3)pLysS
plasmid
1
2.06
40.37
VAPOR DIFFUSION, HANGING DROP
9.0
1.3 M Sodium citrate, 100 mM Tris-HCl pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Non-polymer description
Version format compliance
Data collection
Refinement description
Data collection
Database references
Derived calculations
Refinement description
1
0
2009-12-08
1
1
2011-07-13
1
2
2019-07-24
1
3
2023-09-06
_software.classification
_software.name
_software.version
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Carbonic anhydrase II mutant L198E complexed with acetazolamide
Carbonic anhydrase II mutant L198F complexed with acetazolamide
Carbonic anhydrase II mutant L198R complexed with acetazolamide
Carbonic anhydrase II mutant E117Q complexed with acetazolamide
Carbonic anhydrase II mutant H94N complexed with acetazolamide
RCSB
Y
RCSB
2009-06-10
REL
REL
ZN
ZINC ION
GOL
GLYCEROL
AZM
5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE
HOH
water
2ILI
PDB entry 2ILI
PDB
experimental model
ZN2
262
2
ZN
ZN
301
A
GOL
800
3
GOL
GOL
400
A
AZM
701
4
AZM
AZM
701
A
AZM
702
4
AZM
AZM
702
A
AZM
703
4
AZM
AZM
703
A
HOH
1001
5
HOH
HOH
1001
A
HOH
1002
5
HOH
HOH
1002
A
HOH
1003
5
HOH
HOH
1003
A
HOH
1004
5
HOH
HOH
1004
A
HOH
1005
5
HOH
HOH
1005
A
HOH
1006
5
HOH
HOH
1006
A
HOH
1007
5
HOH
HOH
1007
A
HOH
1008
5
HOH
HOH
1008
A
HOH
1009
5
HOH
HOH
1009
A
HOH
1010
5
HOH
HOH
1010
A
HOH
1011
5
HOH
HOH
1011
A
HOH
1012
5
HOH
HOH
1012
A
HOH
1013
5
HOH
HOH
1013
A
HOH
1014
5
HOH
HOH
1014
A
HOH
1015
5
HOH
HOH
1015
A
HOH
1016
5
HOH
HOH
1016
A
HOH
1017
5
HOH
HOH
1017
A
HOH
1018
5
HOH
HOH
1018
A
HOH
1019
5
HOH
HOH
1019
A
HOH
1020
5
HOH
HOH
1020
A
HOH
1021
5
HOH
HOH
1021
A
HOH
1022
5
HOH
HOH
1022
A
HOH
1023
5
HOH
HOH
1023
A
HOH
1024
5
HOH
HOH
1024
A
HOH
1025
5
HOH
HOH
1025
A
HOH
1026
5
HOH
HOH
1026
A
HOH
1027
5
HOH
HOH
1027
A
HOH
1028
5
HOH
HOH
1028
A
HOH
1029
5
HOH
HOH
1029
A
HOH
1030
5
HOH
HOH
1030
A
HOH
1031
5
HOH
HOH
1031
A
HOH
1032
5
HOH
HOH
1032
A
HOH
1033
5
HOH
HOH
1033
A
HOH
1034
5
HOH
HOH
1034
A
HOH
1035
5
HOH
HOH
1035
A
HOH
1036
5
HOH
HOH
1036
A
HOH
1037
5
HOH
HOH
1037
A
HOH
1038
5
HOH
HOH
1038
A
HOH
1039
5
HOH
HOH
1039
A
HOH
1040
5
HOH
HOH
1040
A
HOH
1041
5
HOH
HOH
1041
A
HOH
1042
5
HOH
HOH
1042
A
HOH
1043
5
HOH
HOH
1043
A
HOH
1044
5
HOH
HOH
1044
A
HOH
1045
5
HOH
HOH
1045
A
HOH
1046
5
HOH
HOH
1046
A
HOH
1047
5
HOH
HOH
1047
A
HOH
1048
5
HOH
HOH
1048
A
HOH
1049
5
HOH
HOH
1049
A
HOH
1050
5
HOH
HOH
1050
A
HOH
1051
5
HOH
HOH
1051
A
HOH
1052
5
HOH
HOH
1052
A
HOH
1053
5
HOH
HOH
1053
A
HOH
1054
5
HOH
HOH
1054
A
HOH
1055
5
HOH
HOH
1055
A
HOH
1056
5
HOH
HOH
1056
A
HOH
1057
5
HOH
HOH
1057
A
HOH
1058
5
HOH
HOH
1058
A
HOH
1059
5
HOH
HOH
1059
A
HOH
1060
5
HOH
HOH
1060
A
HOH
1061
5
HOH
HOH
1061
A
HOH
1062
5
HOH
HOH
1062
A
HOH
1063
5
HOH
HOH
1063
A
HOH
1064
5
HOH
HOH
1064
A
HOH
1065
5
HOH
HOH
1065
A
HOH
1066
5
HOH
HOH
1066
A
HOH
1067
5
HOH
HOH
1067
A
HOH
1068
5
HOH
HOH
1068
A
HOH
1069
5
HOH
HOH
1069
A
HOH
1070
5
HOH
HOH
1070
A
HOH
1071
5
HOH
HOH
1071
A
HOH
1072
5
HOH
HOH
1072
A
HOH
1073
5
HOH
HOH
1073
A
HOH
1074
5
HOH
HOH
1074
A
HOH
1075
5
HOH
HOH
1075
A
HOH
1076
5
HOH
HOH
1076
A
HOH
1077
5
HOH
HOH
1077
A
HOH
1078
5
HOH
HOH
1078
A
HOH
1079
5
HOH
HOH
1079
A
HOH
1080
5
HOH
HOH
1080
A
HOH
1081
5
HOH
HOH
1081
A
HOH
1082
5
HOH
HOH
1082
A
HOH
1083
5
HOH
HOH
1083
A
HOH
1084
5
HOH
HOH
1084
A
HOH
1085
5
HOH
HOH
1085
A
HOH
1086
5
HOH
HOH
1086
A
HOH
1087
5
HOH
HOH
1087
A
HOH
1088
5
HOH
HOH
1088
A
HOH
1089
5
HOH
HOH
1089
A
HOH
1090
5
HOH
HOH
1090
A
HOH
1091
5
HOH
HOH
1091
A
HOH
1092
5
HOH
HOH
1092
A
HOH
1093
5
HOH
HOH
1093
A
HOH
1094
5
HOH
HOH
1094
A
HOH
1095
5
HOH
HOH
1095
A
HOH
1096
5
HOH
HOH
1096
A
HOH
1097
5
HOH
HOH
1097
A
HOH
1098
5
HOH
HOH
1098
A
HOH
1099
5
HOH
HOH
1099
A
HOH
1100
5
HOH
HOH
1100
A
HOH
1101
5
HOH
HOH
1101
A
HOH
1102
5
HOH
HOH
1102
A
HOH
1103
5
HOH
HOH
1103
A
HOH
1104
5
HOH
HOH
1104
A
HOH
1105
5
HOH
HOH
1105
A
HOH
1106
5
HOH
HOH
1106
A
HOH
1107
5
HOH
HOH
1107
A
HOH
1108
5
HOH
HOH
1108
A
HOH
1109
5
HOH
HOH
1109
A
HOH
1110
5
HOH
HOH
1110
A
HOH
1111
5
HOH
HOH
1111
A
HOH
1112
5
HOH
HOH
1112
A
HOH
1113
5
HOH
HOH
1113
A
HOH
1114
5
HOH
HOH
1114
A
HOH
1115
5
HOH
HOH
1115
A
HOH
1116
5
HOH
HOH
1116
A
HOH
1117
5
HOH
HOH
1117
A
HOH
1118
5
HOH
HOH
1118
A
HOH
1119
5
HOH
HOH
1119
A
HOH
1120
5
HOH
HOH
1120
A
HOH
1121
5
HOH
HOH
1121
A
HOH
1122
5
HOH
HOH
1122
A
HOH
1123
5
HOH
HOH
1123
A
HOH
1124
5
HOH
HOH
1124
A
HOH
1125
5
HOH
HOH
1125
A
HOH
1126
5
HOH
HOH
1126
A
HOH
1127
5
HOH
HOH
1127
A
HOH
1128
5
HOH
HOH
1128
A
HOH
1129
5
HOH
HOH
1129
A
HOH
1130
5
HOH
HOH
1130
A
HOH
1131
5
HOH
HOH
1131
A
HOH
1132
5
HOH
HOH
1132
A
HOH
1133
5
HOH
HOH
1133
A
HOH
1134
5
HOH
HOH
1134
A
HOH
1135
5
HOH
HOH
1135
A
HOH
1136
5
HOH
HOH
1136
A
HOH
1137
5
HOH
HOH
1137
A
HOH
1138
5
HOH
HOH
1138
A
HOH
1139
5
HOH
HOH
1139
A
HOH
1140
5
HOH
HOH
1140
A
HOH
1141
5
HOH
HOH
1141
A
HOH
1142
5
HOH
HOH
1142
A
HOH
1143
5
HOH
HOH
1143
A
HOH
1144
5
HOH
HOH
1144
A
HOH
1145
5
HOH
HOH
1145
A
HOH
1146
5
HOH
HOH
1146
A
HOH
1147
5
HOH
HOH
1147
A
HOH
1148
5
HOH
HOH
1148
A
HOH
1149
5
HOH
HOH
1149
A
HOH
1150
5
HOH
HOH
1150
A
HOH
1151
5
HOH
HOH
1151
A
HOH
1152
5
HOH
HOH
1152
A
HOH
1153
5
HOH
HOH
1153
A
HOH
1154
5
HOH
HOH
1154
A
HOH
1155
5
HOH
HOH
1155
A
HOH
1156
5
HOH
HOH
1156
A
HOH
1157
5
HOH
HOH
1157
A
HOH
1158
5
HOH
HOH
1158
A
HOH
1159
5
HOH
HOH
1159
A
HOH
1160
5
HOH
HOH
1160
A
HOH
1161
5
HOH
HOH
1161
A
HOH
1162
5
HOH
HOH
1162
A
HOH
1163
5
HOH
HOH
1163
A
HOH
1164
5
HOH
HOH
1164
A
HOH
1165
5
HOH
HOH
1165
A
HOH
1166
5
HOH
HOH
1166
A
HOH
1167
5
HOH
HOH
1167
A
HOH
1168
5
HOH
HOH
1168
A
HOH
1169
5
HOH
HOH
1169
A
HOH
1170
5
HOH
HOH
1170
A
HOH
1171
5
HOH
HOH
1171
A
HOH
1172
5
HOH
HOH
1172
A
HOH
1173
5
HOH
HOH
1173
A
HOH
1174
5
HOH
HOH
1174
A
HOH
1175
5
HOH
HOH
1175
A
HOH
1176
5
HOH
HOH
1176
A
HOH
1177
5
HOH
HOH
1177
A
HOH
1178
5
HOH
HOH
1178
A
HOH
1179
5
HOH
HOH
1179
A
HOH
1180
5
HOH
HOH
1180
A
HOH
1181
5
HOH
HOH
1181
A
HOH
1182
5
HOH
HOH
1182
A
HOH
1183
5
HOH
HOH
1183
A
HOH
1184
5
HOH
HOH
1184
A
HOH
1185
5
HOH
HOH
1185
A
HOH
1186
5
HOH
HOH
1186
A
HOH
1187
5
HOH
HOH
1187
A
HOH
1188
5
HOH
HOH
1188
A
HOH
1189
5
HOH
HOH
1189
A
HOH
1190
5
HOH
HOH
1190
A
HOH
1191
5
HOH
HOH
1191
A
HOH
1192
5
HOH
HOH
1192
A
HOH
1193
5
HOH
HOH
1193
A
HOH
1194
5
HOH
HOH
1194
A
HOH
1195
5
HOH
HOH
1195
A
HOH
1196
5
HOH
HOH
1196
A
HOH
1197
5
HOH
HOH
1197
A
HOH
1198
5
HOH
HOH
1198
A
HOH
1199
5
HOH
HOH
1199
A
HOH
1200
5
HOH
HOH
1200
A
HOH
1201
5
HOH
HOH
1201
A
HOH
1202
5
HOH
HOH
1202
A
HOH
1203
5
HOH
HOH
1203
A
HOH
1204
5
HOH
HOH
1204
A
HOH
1205
5
HOH
HOH
1205
A
HOH
1206
5
HOH
HOH
1206
A
HOH
1207
5
HOH
HOH
1207
A
HOH
1208
5
HOH
HOH
1208
A
HOH
1209
5
HOH
HOH
1209
A
HOH
1210
5
HOH
HOH
1210
A
HOH
1211
5
HOH
HOH
1211
A
HOH
1212
5
HOH
HOH
1212
A
HOH
1213
5
HOH
HOH
1213
A
HOH
1214
5
HOH
HOH
1214
A
HOH
1215
5
HOH
HOH
1215
A
HOH
1216
5
HOH
HOH
1216
A
HOH
1217
5
HOH
HOH
1217
A
HOH
1218
5
HOH
HOH
1218
A
HOH
1219
5
HOH
HOH
1219
A
HOH
1220
5
HOH
HOH
1220
A
HOH
1221
5
HOH
HOH
1221
A
HOH
1222
5
HOH
HOH
1222
A
HOH
1223
5
HOH
HOH
1223
A
HOH
1224
5
HOH
HOH
1224
A
HOH
1225
5
HOH
HOH
1225
A
HOH
1226
5
HOH
HOH
1226
A
HOH
1227
5
HOH
HOH
1227
A
HOH
1228
5
HOH
HOH
1228
A
HOH
1229
5
HOH
HOH
1229
A
HOH
1230
5
HOH
HOH
1230
A
HOH
1231
5
HOH
HOH
1231
A
HOH
1232
5
HOH
HOH
1232
A
HOH
1233
5
HOH
HOH
1233
A
HOH
1234
5
HOH
HOH
1234
A
HOH
1235
5
HOH
HOH
1235
A
HOH
1236
5
HOH
HOH
1236
A
HOH
1237
5
HOH
HOH
1237
A
HOH
1238
5
HOH
HOH
1238
A
HOH
1239
5
HOH
HOH
1239
A
HOH
1240
5
HOH
HOH
1240
A
HOH
1241
5
HOH
HOH
1241
A
HOH
1242
5
HOH
HOH
1242
A
HOH
1243
5
HOH
HOH
1243
A
HOH
1244
5
HOH
HOH
1244
A
HOH
1245
5
HOH
HOH
1245
A
HOH
1246
5
HOH
HOH
1246
A
HOH
1247
5
HOH
HOH
1247
A
HOH
1248
5
HOH
HOH
1248
A
HOH
1249
5
HOH
HOH
1249
A
HOH
1250
5
HOH
HOH
1250
A
HOH
1251
5
HOH
HOH
1251
A
HOH
1252
5
HOH
HOH
1252
A
HOH
1253
5
HOH
HOH
1253
A
HOH
1254
5
HOH
HOH
1254
A
HOH
1255
5
HOH
HOH
1255
A
HOH
1256
5
HOH
HOH
1256
A
HOH
1257
5
HOH
HOH
1257
A
HOH
1258
5
HOH
HOH
1258
A
HOH
1259
5
HOH
HOH
1259
A
HOH
1260
5
HOH
HOH
1260
A
HOH
1261
5
HOH
HOH
1261
A
HOH
1262
5
HOH
HOH
1262
A
HOH
1263
5
HOH
HOH
1263
A
HOH
1264
5
HOH
HOH
1264
A
HOH
1265
5
HOH
HOH
1265
A
HOH
1266
5
HOH
HOH
1266
A
HOH
1267
5
HOH
HOH
1267
A
HOH
1268
5
HOH
HOH
1268
A
HOH
1269
5
HOH
HOH
1269
A
HOH
1270
5
HOH
HOH
1270
A
HOH
1271
5
HOH
HOH
1271
A
HOH
1272
5
HOH
HOH
1272
A
HOH
1273
5
HOH
HOH
1273
A
HOH
1274
5
HOH
HOH
1274
A
HOH
1275
5
HOH
HOH
1275
A
HOH
1276
5
HOH
HOH
1276
A
HOH
1277
5
HOH
HOH
1277
A
HOH
1278
5
HOH
HOH
1278
A
HOH
1279
5
HOH
HOH
1279
A
HOH
1280
5
HOH
HOH
1280
A
HOH
1281
5
HOH
HOH
1281
A
HOH
1282
5
HOH
HOH
1282
A
HOH
1283
5
HOH
HOH
1283
A
HOH
1284
5
HOH
HOH
1284
A
HOH
1285
5
HOH
HOH
1285
A
HOH
1286
5
HOH
HOH
1286
A
HOH
1287
5
HOH
HOH
1287
A
HOH
1288
5
HOH
HOH
1288
A
HOH
1289
5
HOH
HOH
1289
A
HOH
1290
5
HOH
HOH
1290
A
HOH
1291
5
HOH
HOH
1291
A
HOH
1292
5
HOH
HOH
1292
A
HOH
1293
5
HOH
HOH
1293
A
HOH
1294
5
HOH
HOH
1294
A
HOH
1295
5
HOH
HOH
1295
A
HOH
1296
5
HOH
HOH
1296
A
HOH
1297
5
HOH
HOH
1297
A
HOH
1298
5
HOH
HOH
1298
A
HOH
1299
5
HOH
HOH
1299
A
HOH
1300
5
HOH
HOH
1300
A
HOH
1301
5
HOH
HOH
1301
A
HOH
1302
5
HOH
HOH
1302
A
HOH
1303
5
HOH
HOH
1303
A
HOH
1304
5
HOH
HOH
1304
A
HOH
1305
5
HOH
HOH
1305
A
HOH
1306
5
HOH
HOH
1306
A
HOH
1307
5
HOH
HOH
1307
A
HOH
1308
5
HOH
HOH
1308
A
HOH
1309
5
HOH
HOH
1309
A
HOH
1310
5
HOH
HOH
1310
A
HOH
1311
5
HOH
HOH
1311
A
HOH
1312
5
HOH
HOH
1312
A
HOH
1313
5
HOH
HOH
1313
A
HOH
1314
5
HOH
HOH
1314
A
HOH
1315
5
HOH
HOH
1315
A
HOH
1316
5
HOH
HOH
1316
A
HOH
1317
5
HOH
HOH
1317
A
HOH
1318
5
HOH
HOH
1318
A
HOH
1319
5
HOH
HOH
1319
A
HOH
1320
5
HOH
HOH
1320
A
HOH
1321
5
HOH
HOH
1321
A
HOH
1322
5
HOH
HOH
1322
A
HOH
1323
5
HOH
HOH
1323
A
HOH
1324
5
HOH
HOH
1324
A
HOH
1325
5
HOH
HOH
1325
A
HOH
1326
5
HOH
HOH
1326
A
HOH
1327
5
HOH
HOH
1327
A
HOH
1328
5
HOH
HOH
1328
A
HOH
1329
5
HOH
HOH
1329
A
HOH
1330
5
HOH
HOH
1330
A
HOH
1331
5
HOH
HOH
1331
A
HOH
1332
5
HOH
HOH
1332
A
HOH
1333
5
HOH
HOH
1333
A
HOH
1334
5
HOH
HOH
1334
A
HOH
1335
5
HOH
HOH
1335
A
HOH
1336
5
HOH
HOH
1336
A
HOH
1337
5
HOH
HOH
1337
A
HOH
1338
5
HOH
HOH
1338
A
HOH
1339
5
HOH
HOH
1339
A
HOH
1340
5
HOH
HOH
1340
A
HOH
1341
5
HOH
HOH
1341
A
HOH
1342
5
HOH
HOH
1342
A
HOH
1343
5
HOH
HOH
1343
A
HOH
1344
5
HOH
HOH
1344
A
HOH
1345
5
HOH
HOH
1345
A
HOH
1346
5
HOH
HOH
1346
A
HOH
1347
5
HOH
HOH
1347
A
HOH
1348
5
HOH
HOH
1348
A
HOH
1349
5
HOH
HOH
1349
A
HOH
1350
5
HOH
HOH
1350
A
HOH
1351
5
HOH
HOH
1351
A
HOH
1352
5
HOH
HOH
1352
A
HOH
1353
5
HOH
HOH
1353
A
HOH
1354
5
HOH
HOH
1354
A
HOH
1355
5
HOH
HOH
1355
A
HOH
1356
5
HOH
HOH
1356
A
HOH
1357
5
HOH
HOH
1357
A
HOH
1358
5
HOH
HOH
1358
A
HOH
1359
5
HOH
HOH
1359
A
HOH
1360
5
HOH
HOH
1360
A
HOH
1361
5
HOH
HOH
1361
A
HOH
1362
5
HOH
HOH
1362
A
HOH
1363
5
HOH
HOH
1363
A
HOH
1364
5
HOH
HOH
1364
A
HOH
1365
5
HOH
HOH
1365
A
HOH
1366
5
HOH
HOH
1366
A
HOH
1367
5
HOH
HOH
1367
A
HOH
1368
5
HOH
HOH
1368
A
HOH
1369
5
HOH
HOH
1369
A
HOH
1370
5
HOH
HOH
1370
A
HOH
1371
5
HOH
HOH
1371
A
HOH
1372
5
HOH
HOH
1372
A
HOH
1373
5
HOH
HOH
1373
A
HOH
1374
5
HOH
HOH
1374
A
HOH
1375
5
HOH
HOH
1375
A
HOH
1376
5
HOH
HOH
1376
A
HOH
1377
5
HOH
HOH
1377
A
HOH
1378
5
HOH
HOH
1378
A
HOH
1379
5
HOH
HOH
1379
A
HOH
1380
5
HOH
HOH
1380
A
HOH
1381
5
HOH
HOH
1381
A
HOH
1382
5
HOH
HOH
1382
A
HOH
1383
5
HOH
HOH
1383
A
HOH
1384
5
HOH
HOH
1384
A
HOH
1385
5
HOH
HOH
1385
A
HOH
1386
5
HOH
HOH
1386
A
HOH
1387
5
HOH
HOH
1387
A
HOH
1388
5
HOH
HOH
1388
A
HOH
1389
5
HOH
HOH
1389
A
HOH
1390
5
HOH
HOH
1390
A
HOH
1391
5
HOH
HOH
1391
A
HOH
1392
5
HOH
HOH
1392
A
HOH
1393
5
HOH
HOH
1393
A
HOH
1394
5
HOH
HOH
1394
A
HOH
1395
5
HOH
HOH
1395
A
HOH
1396
5
HOH
HOH
1396
A
HOH
1397
5
HOH
HOH
1397
A
HOH
1398
5
HOH
HOH
1398
A
HOH
1399
5
HOH
HOH
1399
A
HOH
1400
5
HOH
HOH
1400
A
HOH
1401
5
HOH
HOH
1401
A
HOH
1402
5
HOH
HOH
1402
A
HOH
1403
5
HOH
HOH
1403
A
HOH
1404
5
HOH
HOH
1404
A
n
1
1
A
n
2
2
A
n
3
3
A
HIS
4
n
4
HIS
4
A
TRP
5
n
5
TRP
5
A
GLY
6
n
6
GLY
6
A
TYR
7
n
7
TYR
7
A
GLY
8
n
8
GLY
8
A
LYS
9
n
9
LYS
9
A
HIS
10
n
10
HIS
10
A
ASN
11
n
11
ASN
11
A
GLY
12
n
12
GLY
12
A
PRO
13
n
13
PRO
13
A
GLU
14
n
14
GLU
14
A
HIS
15
n
15
HIS
15
A
TRP
16
n
16
TRP
16
A
HIS
17
n
17
HIS
17
A
LYS
18
n
18
LYS
18
A
ASP
19
n
19
ASP
19
A
PHE
20
n
20
PHE
20
A
PRO
21
n
21
PRO
21
A
ILE
22
n
22
ILE
22
A
ALA
23
n
23
ALA
23
A
LYS
24
n
24
LYS
24
A
GLY
25
n
25
GLY
25
A
GLU
26
n
26
GLU
26
A
ARG
27
n
27
ARG
27
A
GLN
28
n
28
GLN
28
A
SER
29
n
29
SER
29
A
PRO
30
n
30
PRO
30
A
VAL
31
n
31
VAL
31
A
ASP
32
n
32
ASP
32
A
ILE
33
n
33
ILE
33
A
ASP
34
n
34
ASP
34
A
THR
35
n
35
THR
35
A
HIS
36
n
36
HIS
36
A
THR
37
n
37
THR
37
A
ALA
38
n
38
ALA
38
A
LYS
39
n
39
LYS
39
A
TYR
40
n
40
TYR
40
A
ASP
41
n
41
ASP
41
A
PRO
42
n
42
PRO
42
A
SER
43
n
43
SER
43
A
LEU
44
n
44
LEU
44
A
LYS
45
n
45
LYS
45
A
PRO
46
n
46
PRO
46
A
LEU
47
n
47
LEU
47
A
SER
48
n
48
SER
48
A
VAL
49
n
49
VAL
49
A
SER
50
n
50
SER
50
A
TYR
51
n
51
TYR
51
A
ASP
52
n
52
ASP
52
A
GLN
53
n
53
GLN
53
A
ALA
54
n
54
ALA
54
A
THR
55
n
55
THR
55
A
SER
56
n
56
SER
56
A
LEU
57
n
57
LEU
57
A
ARG
58
n
58
ARG
58
A
ILE
59
n
59
ILE
59
A
LEU
60
n
60
LEU
60
A
ASN
61
n
61
ASN
61
A
ASN
62
n
62
ASN
62
A
GLY
63
n
63
GLY
63
A
HIS
64
n
64
HIS
64
A
ALA
65
n
65
ALA
65
A
PHE
66
n
66
PHE
66
A
ASN
67
n
67
ASN
67
A
VAL
68
n
68
VAL
68
A
GLU
69
n
69
GLU
69
A
PHE
70
n
70
PHE
70
A
ASP
71
n
71
ASP
71
A
ASP
72
n
72
ASP
72
A
SER
73
n
73
SER
73
A
GLN
74
n
74
GLN
74
A
ASP
75
n
75
ASP
75
A
LYS
76
n
76
LYS
76
A
ALA
77
n
77
ALA
77
A
VAL
78
n
78
VAL
78
A
LEU
79
n
79
LEU
79
A
LYS
80
n
80
LYS
80
A
GLY
81
n
81
GLY
81
A
GLY
82
n
82
GLY
82
A
PRO
83
n
83
PRO
83
A
LEU
84
n
84
LEU
84
A
ASP
85
n
85
ASP
85
A
GLY
86
n
86
GLY
86
A
THR
87
n
87
THR
87
A
TYR
88
n
88
TYR
88
A
ARG
89
n
89
ARG
89
A
LEU
90
n
90
LEU
90
A
ILE
91
n
91
ILE
91
A
GLN
92
n
92
GLN
92
A
PHE
93
n
93
PHE
93
A
HIS
94
n
94
HIS
94
A
PHE
95
n
95
PHE
95
A
HIS
96
n
96
HIS
96
A
TRP
97
n
97
TRP
97
A
GLY
98
n
98
GLY
98
A
SER
99
n
99
SER
99
A
LEU
100
n
100
LEU
100
A
ASP
101
n
101
ASP
101
A
GLY
102
n
102
GLY
102
A
GLN
103
n
103
GLN
103
A
GLY
104
n
104
GLY
104
A
SER
105
n
105
SER
105
A
GLU
106
n
106
GLU
106
A
HIS
107
n
107
HIS
107
A
THR
108
n
108
THR
108
A
VAL
109
n
109
VAL
109
A
ASP
110
n
110
ASP
110
A
LYS
111
n
111
LYS
111
A
LYS
112
n
112
LYS
112
A
LYS
113
n
113
LYS
113
A
TYR
114
n
114
TYR
114
A
ALA
115
n
115
ALA
115
A
ALA
116
n
116
ALA
116
A
GLU
117
n
117
GLU
117
A
LEU
118
n
118
LEU
118
A
HIS
119
n
119
HIS
119
A
LEU
120
n
120
LEU
120
A
VAL
121
n
121
VAL
121
A
HIS
122
n
122
HIS
122
A
TRP
123
n
123
TRP
123
A
ASN
124
n
124
ASN
124
A
THR
125
n
125
THR
125
A
LYS
127
n
126
LYS
127
A
TYR
128
n
127
TYR
128
A
GLY
129
n
128
GLY
129
A
ASP
130
n
129
ASP
130
A
PHE
131
n
130
PHE
131
A
GLY
132
n
131
GLY
132
A
LYS
133
n
132
LYS
133
A
ALA
134
n
133
ALA
134
A
VAL
135
n
134
VAL
135
A
GLN
136
n
135
GLN
136
A
GLN
137
n
136
GLN
137
A
PRO
138
n
137
PRO
138
A
ASP
139
n
138
ASP
139
A
GLY
140
n
139
GLY
140
A
LEU
141
n
140
LEU
141
A
ALA
142
n
141
ALA
142
A
VAL
143
n
142
VAL
143
A
LEU
144
n
143
LEU
144
A
GLY
145
n
144
GLY
145
A
ILE
146
n
145
ILE
146
A
PHE
147
n
146
PHE
147
A
LEU
148
n
147
LEU
148
A
LYS
149
n
148
LYS
149
A
VAL
150
n
149
VAL
150
A
GLY
151
n
150
GLY
151
A
SER
152
n
151
SER
152
A
ALA
153
n
152
ALA
153
A
LYS
154
n
153
LYS
154
A
PRO
155
n
154
PRO
155
A
GLY
156
n
155
GLY
156
A
LEU
157
n
156
LEU
157
A
GLN
158
n
157
GLN
158
A
LYS
159
n
158
LYS
159
A
VAL
160
n
159
VAL
160
A
VAL
161
n
160
VAL
161
A
ASP
162
n
161
ASP
162
A
VAL
163
n
162
VAL
163
A
LEU
164
n
163
LEU
164
A
ASP
165
n
164
ASP
165
A
SER
166
n
165
SER
166
A
ILE
167
n
166
ILE
167
A
LYS
168
n
167
LYS
168
A
THR
169
n
168
THR
169
A
LYS
170
n
169
LYS
170
A
GLY
171
n
170
GLY
171
A
LYS
172
n
171
LYS
172
A
SER
173
n
172
SER
173
A
ALA
174
n
173
ALA
174
A
ASP
175
n
174
ASP
175
A
PHE
176
n
175
PHE
176
A
THR
177
n
176
THR
177
A
ASN
178
n
177
ASN
178
A
PHE
179
n
178
PHE
179
A
ASP
180
n
179
ASP
180
A
PRO
181
n
180
PRO
181
A
ARG
182
n
181
ARG
182
A
GLY
183
n
182
GLY
183
A
LEU
184
n
183
LEU
184
A
LEU
185
n
184
LEU
185
A
PRO
186
n
185
PRO
186
A
GLU
187
n
186
GLU
187
A
SER
188
n
187
SER
188
A
LEU
189
n
188
LEU
189
A
ASP
190
n
189
ASP
190
A
TYR
191
n
190
TYR
191
A
TRP
192
n
191
TRP
192
A
THR
193
n
192
THR
193
A
TYR
194
n
193
TYR
194
A
PRO
195
n
194
PRO
195
A
GLY
196
n
195
GLY
196
A
SER
197
n
196
SER
197
A
LEU
198
n
197
LEU
198
A
THR
199
n
198
THR
199
A
THR
200
n
199
THR
200
A
PRO
201
n
200
PRO
201
A
PRO
202
n
201
PRO
202
A
LEU
203
n
202
LEU
203
A
LEU
204
n
203
LEU
204
A
GLU
205
n
204
GLU
205
A
CYS
206
n
205
CYS
206
A
VAL
207
n
206
VAL
207
A
THR
208
n
207
THR
208
A
TRP
209
n
208
TRP
209
A
ILE
210
n
209
ILE
210
A
VAL
211
n
210
VAL
211
A
LEU
212
n
211
LEU
212
A
LYS
213
n
212
LYS
213
A
GLU
214
n
213
GLU
214
A
PRO
215
n
214
PRO
215
A
ILE
216
n
215
ILE
216
A
SER
217
n
216
SER
217
A
VAL
218
n
217
VAL
218
A
SER
219
n
218
SER
219
A
SER
220
n
219
SER
220
A
GLU
221
n
220
GLU
221
A
GLN
222
n
221
GLN
222
A
VAL
223
n
222
VAL
223
A
LEU
224
n
223
LEU
224
A
LYS
225
n
224
LYS
225
A
PHE
226
n
225
PHE
226
A
ARG
227
n
226
ARG
227
A
LYS
228
n
227
LYS
228
A
LEU
229
n
228
LEU
229
A
ASN
230
n
229
ASN
230
A
PHE
231
n
230
PHE
231
A
ASN
232
n
231
ASN
232
A
GLY
233
n
232
GLY
233
A
GLU
234
n
233
GLU
234
A
GLY
235
n
234
GLY
235
A
GLU
236
n
235
GLU
236
A
PRO
237
n
236
PRO
237
A
GLU
238
n
237
GLU
238
A
GLU
239
n
238
GLU
239
A
LEU
240
n
239
LEU
240
A
MET
241
n
240
MET
241
A
VAL
242
n
241
VAL
242
A
ASP
243
n
242
ASP
243
A
ASN
244
n
243
ASN
244
A
TRP
245
n
244
TRP
245
A
ARG
246
n
245
ARG
246
A
PRO
247
n
246
PRO
247
A
ALA
248
n
247
ALA
248
A
GLN
249
n
248
GLN
249
A
PRO
250
n
249
PRO
250
A
LEU
251
n
250
LEU
251
A
LYS
252
n
251
LYS
252
A
ASN
253
n
252
ASN
253
A
ARG
254
n
253
ARG
254
A
GLN
255
n
254
GLN
255
A
ILE
256
n
255
ILE
256
A
LYS
257
n
256
LYS
257
A
ALA
258
n
257
ALA
258
A
SER
259
n
258
SER
259
A
PHE
260
n
259
PHE
260
A
LYS
261
n
260
LYS
261
A
author_and_software_defined_assembly
PISA
1
monomeric
A
HIS
94
A
NE2
HIS
94
1_555
A
ZN
301
B
ZN
ZN
1_555
A
HIS
96
A
NE2
HIS
96
1_555
105.2
A
HIS
94
A
NE2
HIS
94
1_555
A
ZN
301
B
ZN
ZN
1_555
A
HIS
119
A
ND1
HIS
119
1_555
111.9
A
HIS
96
A
NE2
HIS
96
1_555
A
ZN
301
B
ZN
ZN
1_555
A
HIS
119
A
ND1
HIS
119
1_555
100.3
A
HIS
94
A
NE2
HIS
94
1_555
A
ZN
301
B
ZN
ZN
1_555
A
AZM
701
D
N1
AZM
1_555
112.0
A
HIS
96
A
NE2
HIS
96
1_555
A
ZN
301
B
ZN
ZN
1_555
A
AZM
701
D
N1
AZM
1_555
112.8
A
HIS
119
A
ND1
HIS
119
1_555
A
ZN
301
B
ZN
ZN
1_555
A
AZM
701
D
N1
AZM
1_555
113.7
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
33
A
O
THR
108
A
O
THR
108
A
N
LYS
39
A
N
LYS
39
A
O
ALA
258
A
O
ALA
257
A
O
LYS
257
A
O
LYS
256
A
N
THR
193
A
N
THR
192
A
N
GLY
196
A
N
GLY
195
A
O
VAL
207
A
O
VAL
206
A
O
LEU
212
A
O
LEU
211
A
N
GLY
145
A
N
GLY
144
A
O
ILE
146
A
O
ILE
145
A
N
LEU
118
A
N
LEU
118
A
O
HIS
119
A
O
HIS
119
A
N
HIS
94
A
N
HIS
94
A
O
PHE
93
A
O
PHE
93
A
N
VAL
68
A
N
VAL
68
A
O
GLU
69
A
O
GLU
69
A
N
LEU
57
A
N
LEU
57
A
N
ILE
59
A
N
ILE
59
A
O
ALA
174
A
O
ALA
173
A
N
SER
50
A
N
SER
50
A
O
VAL
78
A
O
VAL
78
A
N
LEU
79
A
N
LEU
79
A
O
TYR
88
A
O
TYR
88
A
N
HIS
94
A
N
HIS
94
A
O
HIS
119
A
O
HIS
119
A
N
LEU
118
A
N
LEU
118
A
O
ILE
146
A
O
ILE
145
A
N
PHE
147
A
N
PHE
146
A
O
ILE
216
A
O
ILE
215
1
A
MET
1
A
MET
1
1
Y
1
A
SER
2
A
SER
2
1
Y
1
A
HIS
3
A
HIS
3
1
Y
1
A
ARG
27
-142.52
55.96
1
A
LYS
111
72.07
-3.01
1
A
PHE
176
-150.32
61.17
1
A
ASN
244
-95.34
49.88
1
A
LYS
252
51.95
-138.34
15.7
Used conjugate gradient least squares procedure.
0.140
0.112
0.113
0.113
1.10
50.0
4628
87911
93.6
random
1
anisotropic
THROUGHOUT
0
MOLECULAR REPLACEMENT
PDB entry 2ILI
Engh & Huber
1.10
50.0
404
2499
46
0
2049
0.031
0.015
0.0308
0.094
0.100
0.082
0.105
0.157
1.2
18924
5
85.3
0.112
1.4
24239
5
88.0
0.091
1.6
14075
5
90.9
0.088
2.5
21999
5
94.3
0.134
50.0
7829
5
92.4
10.63
1.10
50.0
3HS4
98886
92557
5.0
0.073
1
13.8
2.9
93.6
0.303
1.10
1.14
3.3
7953
1
2.2
81.0
refinement
SHELXL-97
refinement
CNS
data collection
ADSC
Quantum
data reduction
HKL-2000
data scaling
HKL-2000
phasing
CNS
N
Human carbonic anhydrase II complexed with acetazolamide
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
4
N
N
5
N
N
A
HIS
15
A
HIS
15
HELX_P
A
ASP
19
A
ASP
19
5
1
5
A
PHE
20
A
PHE
20
HELX_P
A
GLY
25
A
GLY
25
5
2
6
A
LYS
127
A
LYS
126
HELX_P
A
GLY
129
A
GLY
128
5
3
3
A
ASP
130
A
ASP
129
HELX_P
A
VAL
135
A
VAL
134
1
4
6
A
LYS
154
A
LYS
153
HELX_P
A
GLY
156
A
GLY
155
5
5
3
A
LEU
157
A
LEU
156
HELX_P
A
LEU
164
A
LEU
163
1
6
8
A
ASP
165
A
ASP
164
HELX_P
A
LYS
168
A
LYS
167
5
7
4
A
ASP
180
A
ASP
179
HELX_P
A
LEU
185
A
LEU
184
5
8
6
A
SER
219
A
SER
218
HELX_P
A
ARG
227
A
ARG
226
1
9
9
metalc
1.991
A
HIS
94
A
NE2
HIS
94
1_555
A
ZN
301
B
ZN
ZN
1_555
metalc
1.987
A
HIS
96
A
NE2
HIS
96
1_555
A
ZN
301
B
ZN
ZN
1_555
metalc
2.014
A
HIS
119
A
ND1
HIS
119
1_555
A
ZN
301
B
ZN
ZN
1_555
metalc
1.940
A
ZN
301
B
ZN
ZN
1_555
A
AZM
701
D
N1
AZM
1_555
LYASE
Carbonic anhydrase 2, Carbonic anhydrase II, Lyase, CA II, CA 2, Acetazolamide, 5-ACETAMIDO-1, 3, 4-THIADIAZOLE-2-SULFONAMIDE, Disease mutation, Metal-binding
A
SER
29
A
SER
29
1
A
PRO
30
A
PRO
30
-4.39
A
PRO
201
A
PRO
200
1
A
PRO
202
A
PRO
201
13.36
CAH2_HUMAN
UNP
1
1
P00918
MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLK
GGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVV
DVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELM
VDNWRPAQPLKNRQIKASFK
1
260
3HS4
1
261
P00918
A
1
1
260
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
32
A
ILE
33
A
ILE
33
A
THR
108
A
THR
108
A
VAL
109
A
VAL
109
A
LYS
39
A
LYS
39
A
TYR
40
A
TYR
40
A
LYS
257
A
LYS
256
A
ALA
258
A
ALA
257
A
TYR
191
A
TYR
190
A
GLY
196
A
GLY
195
A
VAL
207
A
VAL
206
A
LEU
212
A
LEU
211
A
LEU
141
A
LEU
140
A
VAL
150
A
VAL
149
A
ALA
116
A
ALA
116
A
ASN
124
A
ASN
124
A
TYR
88
A
TYR
88
A
TRP
97
A
TRP
97
A
PHE
66
A
PHE
66
A
PHE
70
A
PHE
70
A
SER
56
A
SER
56
A
ASN
61
A
ASN
61
A
SER
173
A
SER
172
A
ASP
175
A
ASP
174
A
LEU
47
A
LEU
47
A
SER
50
A
SER
50
A
VAL
78
A
VAL
78
A
GLY
81
A
GLY
81
A
TYR
88
A
TYR
88
A
TRP
97
A
TRP
97
A
ALA
116
A
ALA
116
A
ASN
124
A
ASN
124
A
LEU
141
A
LEU
140
A
VAL
150
A
VAL
149
A
ILE
216
A
ILE
215
A
VAL
218
A
VAL
217
BINDING SITE FOR RESIDUE ZN A 301
A
ZN
301
Software
4
BINDING SITE FOR RESIDUE GOL A 400
A
GOL
400
Software
9
BINDING SITE FOR RESIDUE AZM A 701
A
AZM
701
Software
14
BINDING SITE FOR RESIDUE AZM A 702
A
AZM
702
Software
10
BINDING SITE FOR RESIDUE AZM A 703
A
AZM
703
Software
13
A
HIS
94
A
HIS
94
4
1_555
A
HIS
96
A
HIS
96
4
1_555
A
HIS
119
A
HIS
119
4
1_555
A
AZM
701
D
AZM
4
1_555
A
ASN
62
A
ASN
62
9
1_555
A
HIS
64
A
HIS
64
9
1_555
A
ASN
67
A
ASN
67
9
1_555
A
GLN
92
A
GLN
92
9
1_555
A
THR
200
A
THR
199
9
1_555
A
AZM
701
D
AZM
9
1_555
A
HOH
1013
G
HOH
9
1_555
A
HOH
1216
G
HOH
9
1_555
A
HOH
1342
G
HOH
9
1_555
A
GLN
92
A
GLN
92
14
1_555
A
HIS
94
A
HIS
94
14
1_555
A
HIS
96
A
HIS
96
14
1_555
A
HIS
119
A
HIS
119
14
1_555
A
VAL
121
A
VAL
121
14
1_555
A
PHE
131
A
PHE
130
14
1_555
A
LEU
198
A
LEU
197
14
1_555
A
THR
199
A
THR
198
14
1_555
A
THR
200
A
THR
199
14
1_555
A
TRP
209
A
TRP
208
14
1_555
A
ZN
301
B
ZN
14
1_555
A
GOL
400
C
GOL
14
1_555
A
HOH
1011
G
HOH
14
1_555
A
HOH
1191
G
HOH
14
1_555
A
LYS
112
A
LYS
112
10
1_555
A
TYR
114
A
TYR
114
10
1_555
A
TRP
192
A
TRP
191
10
1_555
A
LYS
213
A
LYS
212
10
1_555
A
PRO
215
A
PRO
214
10
1_555
A
HOH
1085
G
HOH
10
1_555
A
HOH
1233
G
HOH
10
1_555
A
HOH
1257
G
HOH
10
1_555
A
HOH
1334
G
HOH
10
1_555
A
HOH
1346
G
HOH
10
1_555
A
HIS
4
A
HIS
4
13
1_555
A
TRP
5
A
TRP
5
13
1_555
A
ASN
11
A
ASN
11
13
1_555
A
HIS
15
A
HIS
15
13
1_555
A
TRP
16
A
TRP
16
13
1_555
A
ASP
19
A
ASP
19
13
1_555
A
PHE
20
A
PHE
20
13
1_555
A
ASP
180
A
ASP
179
13
1_655
A
ARG
182
A
ARG
181
13
1_655
A
GLY
183
A
GLY
182
13
1_655
A
HOH
1288
G
HOH
13
1_555
A
HOH
1332
G
HOH
13
1_555
A
HOH
1335
G
HOH
13
1_555
4
P 1 21 1