0.023419
0.000000
0.006100
0.000000
0.023981
0.000000
0.000000
0.000000
0.014156
0.00000
0.00000
0.00000
Lesburg, C.A.
Christianson, D.W.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
104.60
90.00
42.700
41.700
73.000
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
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
US
Biochemistry
BICHAW
0033
0006-2960
36
15780
15791
10.1021/bi971296x
9398308
Histidine --> carboxamide ligand substitutions in the zinc binding site of carbonic anhydrase II alter metal coordination geometry but retain catalytic activity.
1997
10.2210/pdb1h9n/pdb
pdb_00001h9n
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
287
1
MIRRORS
IMAGE PLATE
1995-09
RIGAKU RAXIS IIC
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH2R
29133.820
CARBONIC ANHYDRASE II
4.2.1.1
H119N
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
18.015
water
181
nat
water
CAII, CARBONIC DEHYDRATASE
no
no
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELNLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV
DNWRPAQPLKNRQIKASFK
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELNLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
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
Homo
Escherichia
sample
THIS CAII VARIANT WAS PRODUCED USING OLIGONUCLEOTIDE-DIRECTED MUTAGENESIS OF THE CLONED HUMAN CAII GENE IN BL21 (DE3) PCAM
BL21
CAII
9606
Homo sapiens
CAII
562
Escherichia coli
BL21 (DE3) PCAM
BL21
1
2.17
43.
8.0
2M (NH4)2SO4; 100 MM TRIS PH 8.0; 5 MM N-HEXYL BETA-D-GLUCOPYRANOSIDE
database_2
pdbx_database_status
struct_conn
struct_ref_seq_dif
struct_site
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Other
Refinement description
1
0
1997-09-17
1
1
2008-03-24
1
2
2011-07-13
1
3
2021-11-03
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_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_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1997-05-29
REL
ZN
ZINC ION
HOH
water
2CBA
PDB ENTRY 2CBA LESS MUTANT SIDE CHAIN AND SOLVENT MOLECULES
PDB
experimental model
ZN
262
2
ZN
ZN
262
A
HOH
300
3
HOH
HOH
300
A
HOH
301
3
HOH
HOH
301
A
HOH
302
3
HOH
HOH
302
A
HOH
303
3
HOH
HOH
303
A
HOH
304
3
HOH
HOH
304
A
HOH
305
3
HOH
HOH
305
A
HOH
306
3
HOH
HOH
306
A
HOH
307
3
HOH
HOH
307
A
HOH
308
3
HOH
HOH
308
A
HOH
309
3
HOH
HOH
309
A
HOH
310
3
HOH
HOH
310
A
HOH
311
3
HOH
HOH
311
A
HOH
312
3
HOH
HOH
312
A
HOH
313
3
HOH
HOH
313
A
HOH
314
3
HOH
HOH
314
A
HOH
315
3
HOH
HOH
315
A
HOH
316
3
HOH
HOH
316
A
HOH
317
3
HOH
HOH
317
A
HOH
318
3
HOH
HOH
318
A
HOH
319
3
HOH
HOH
319
A
HOH
320
3
HOH
HOH
320
A
HOH
321
3
HOH
HOH
321
A
HOH
322
3
HOH
HOH
322
A
HOH
323
3
HOH
HOH
323
A
HOH
324
3
HOH
HOH
324
A
HOH
325
3
HOH
HOH
325
A
HOH
326
3
HOH
HOH
326
A
HOH
327
3
HOH
HOH
327
A
HOH
328
3
HOH
HOH
328
A
HOH
329
3
HOH
HOH
329
A
HOH
330
3
HOH
HOH
330
A
HOH
331
3
HOH
HOH
331
A
HOH
332
3
HOH
HOH
332
A
HOH
333
3
HOH
HOH
333
A
HOH
334
3
HOH
HOH
334
A
HOH
335
3
HOH
HOH
335
A
HOH
336
3
HOH
HOH
336
A
HOH
337
3
HOH
HOH
337
A
HOH
338
3
HOH
HOH
338
A
HOH
339
3
HOH
HOH
339
A
HOH
340
3
HOH
HOH
340
A
HOH
341
3
HOH
HOH
341
A
HOH
342
3
HOH
HOH
342
A
HOH
343
3
HOH
HOH
343
A
HOH
344
3
HOH
HOH
344
A
HOH
345
3
HOH
HOH
345
A
HOH
346
3
HOH
HOH
346
A
HOH
347
3
HOH
HOH
347
A
HOH
348
3
HOH
HOH
348
A
HOH
349
3
HOH
HOH
349
A
HOH
350
3
HOH
HOH
350
A
HOH
351
3
HOH
HOH
351
A
HOH
352
3
HOH
HOH
352
A
HOH
353
3
HOH
HOH
353
A
HOH
354
3
HOH
HOH
354
A
HOH
355
3
HOH
HOH
355
A
HOH
356
3
HOH
HOH
356
A
HOH
357
3
HOH
HOH
357
A
HOH
358
3
HOH
HOH
358
A
HOH
359
3
HOH
HOH
359
A
HOH
360
3
HOH
HOH
360
A
HOH
361
3
HOH
HOH
361
A
HOH
362
3
HOH
HOH
362
A
HOH
363
3
HOH
HOH
363
A
HOH
364
3
HOH
HOH
364
A
HOH
365
3
HOH
HOH
365
A
HOH
366
3
HOH
HOH
366
A
HOH
367
3
HOH
HOH
367
A
HOH
368
3
HOH
HOH
368
A
HOH
369
3
HOH
HOH
369
A
HOH
370
3
HOH
HOH
370
A
HOH
371
3
HOH
HOH
371
A
HOH
372
3
HOH
HOH
372
A
HOH
373
3
HOH
HOH
373
A
HOH
374
3
HOH
HOH
374
A
HOH
375
3
HOH
HOH
375
A
HOH
376
3
HOH
HOH
376
A
HOH
377
3
HOH
HOH
377
A
HOH
378
3
HOH
HOH
378
A
HOH
379
3
HOH
HOH
379
A
HOH
380
3
HOH
HOH
380
A
HOH
381
3
HOH
HOH
381
A
HOH
382
3
HOH
HOH
382
A
HOH
383
3
HOH
HOH
383
A
HOH
384
3
HOH
HOH
384
A
HOH
385
3
HOH
HOH
385
A
HOH
386
3
HOH
HOH
386
A
HOH
387
3
HOH
HOH
387
A
HOH
388
3
HOH
HOH
388
A
HOH
389
3
HOH
HOH
389
A
HOH
390
3
HOH
HOH
390
A
HOH
391
3
HOH
HOH
391
A
HOH
392
3
HOH
HOH
392
A
HOH
393
3
HOH
HOH
393
A
HOH
394
3
HOH
HOH
394
A
HOH
395
3
HOH
HOH
395
A
HOH
396
3
HOH
HOH
396
A
HOH
397
3
HOH
HOH
397
A
HOH
398
3
HOH
HOH
398
A
HOH
399
3
HOH
HOH
399
A
HOH
400
3
HOH
HOH
400
A
HOH
401
3
HOH
HOH
401
A
HOH
402
3
HOH
HOH
402
A
HOH
403
3
HOH
HOH
403
A
HOH
404
3
HOH
HOH
404
A
HOH
405
3
HOH
HOH
405
A
HOH
406
3
HOH
HOH
406
A
HOH
407
3
HOH
HOH
407
A
HOH
408
3
HOH
HOH
408
A
HOH
409
3
HOH
HOH
409
A
HOH
410
3
HOH
HOH
410
A
HOH
411
3
HOH
HOH
411
A
HOH
412
3
HOH
HOH
412
A
HOH
413
3
HOH
HOH
413
A
HOH
414
3
HOH
HOH
414
A
HOH
415
3
HOH
HOH
415
A
HOH
416
3
HOH
HOH
416
A
HOH
417
3
HOH
HOH
417
A
HOH
418
3
HOH
HOH
418
A
HOH
419
3
HOH
HOH
419
A
HOH
420
3
HOH
HOH
420
A
HOH
421
3
HOH
HOH
421
A
HOH
422
3
HOH
HOH
422
A
HOH
423
3
HOH
HOH
423
A
HOH
424
3
HOH
HOH
424
A
HOH
425
3
HOH
HOH
425
A
HOH
426
3
HOH
HOH
426
A
HOH
427
3
HOH
HOH
427
A
HOH
428
3
HOH
HOH
428
A
HOH
429
3
HOH
HOH
429
A
HOH
430
3
HOH
HOH
430
A
HOH
431
3
HOH
HOH
431
A
HOH
432
3
HOH
HOH
432
A
HOH
433
3
HOH
HOH
433
A
HOH
434
3
HOH
HOH
434
A
HOH
435
3
HOH
HOH
435
A
HOH
436
3
HOH
HOH
436
A
HOH
437
3
HOH
HOH
437
A
HOH
438
3
HOH
HOH
438
A
HOH
439
3
HOH
HOH
439
A
HOH
440
3
HOH
HOH
440
A
HOH
441
3
HOH
HOH
441
A
HOH
442
3
HOH
HOH
442
A
HOH
443
3
HOH
HOH
443
A
HOH
444
3
HOH
HOH
444
A
HOH
445
3
HOH
HOH
445
A
HOH
446
3
HOH
HOH
446
A
HOH
447
3
HOH
HOH
447
A
HOH
448
3
HOH
HOH
448
A
HOH
449
3
HOH
HOH
449
A
HOH
450
3
HOH
HOH
450
A
HOH
451
3
HOH
HOH
451
A
HOH
452
3
HOH
HOH
452
A
HOH
453
3
HOH
HOH
453
A
HOH
454
3
HOH
HOH
454
A
HOH
455
3
HOH
HOH
455
A
HOH
456
3
HOH
HOH
456
A
HOH
457
3
HOH
HOH
457
A
HOH
458
3
HOH
HOH
458
A
HOH
459
3
HOH
HOH
459
A
HOH
460
3
HOH
HOH
460
A
HOH
461
3
HOH
HOH
461
A
HOH
462
3
HOH
HOH
462
A
HOH
463
3
HOH
HOH
463
A
HOH
464
3
HOH
HOH
464
A
HOH
465
3
HOH
HOH
465
A
HOH
466
3
HOH
HOH
466
A
HOH
467
3
HOH
HOH
467
A
HOH
468
3
HOH
HOH
468
A
HOH
469
3
HOH
HOH
469
A
HOH
470
3
HOH
HOH
470
A
HOH
471
3
HOH
HOH
471
A
HOH
472
3
HOH
HOH
472
A
HOH
473
3
HOH
HOH
473
A
HOH
474
3
HOH
HOH
474
A
HOH
475
3
HOH
HOH
475
A
HOH
476
3
HOH
HOH
476
A
HOH
477
3
HOH
HOH
477
A
HOH
478
3
HOH
HOH
478
A
HOH
479
3
HOH
HOH
479
A
HOH
480
3
HOH
HOH
480
A
n
1
2
A
n
2
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
ASN
119
n
118
ASN
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
262
B
ZN
ZN
1_555
A
HIS
96
A
NE2
HIS
95
1_555
108.7
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
262
B
ZN
ZN
1_555
A
ASN
119
A
OD1
ASN
118
1_555
94.9
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
262
B
ZN
ZN
1_555
A
ASN
119
A
OD1
ASN
118
1_555
92.4
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
300
C
O
HOH
1_555
132.6
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
300
C
O
HOH
1_555
118.4
A
ASN
119
A
OD1
ASN
118
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
300
C
O
HOH
1_555
78.7
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
301
C
O
HOH
1_555
92.2
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
301
C
O
HOH
1_555
89.8
A
ASN
119
A
OD1
ASN
118
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
301
C
O
HOH
1_555
171.5
A
HOH
300
C
O
HOH
1_555
A
ZN
262
B
ZN
ZN
1_555
A
HOH
301
C
O
HOH
1_555
93.0
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
O
SER
48
A
O
SER
47
A
N
LYS
80
A
N
LYS
79
A
O
ALA
174
A
O
ALA
172
A
N
ILE
59
A
N
ILE
58
A
O
LEU
57
A
O
LEU
56
A
N
GLU
69
A
N
GLU
68
A
O
VAL
68
A
O
VAL
67
A
N
PHE
93
A
N
PHE
92
A
O
ARG
89
A
O
ARG
88
A
N
TRP
123
A
N
TRP
122
A
O
ALA
116
A
O
ALA
115
A
N
LEU
148
A
N
LEU
146
A
O
LEU
141
A
O
LEU
139
A
N
THR
208
A
N
THR
206
A
O
VAL
207
A
O
VAL
205
A
N
GLY
196
A
N
GLY
194
A
O
LYS
149
A
O
LYS
147
A
N
ILE
216
A
N
ILE
214
1
A
SER
2
A
SER
1
1
Y
1
A
HIS
3
A
HIS
2
1
Y
1
A
ALA
65
-174.48
-175.13
1
A
LYS
111
70.09
-1.80
1
A
ASN
244
-92.82
52.61
1
A
LYS
252
58.12
-133.47
1
A
ASN
253
-79.57
47.31
PARHCSDX.PRO
23.1
0.2360000
0.008
0.1700000
0.1700000
1.85
20.0
957
19972
4.8
92.
RANDOM
1000000.
0.1
1
RESTRAINED
THROUGHOUT
2.
DIFFERENCE FOURIER
PDB ENTRY 2CBA LESS MUTANT SIDE CHAIN AND SOLVENT MOLECULES
0.27
0.20
5.00
0.15
0.20
1.85
20.0
181
2228
1
0
2046
0.009
1.6
25.4
1.4
0.59
1.5
0.96
2.0
0.59
1.5
0.96
2.0
0.3020000
0.030
0.2790000
1.93
101
2311
8
3.8
87.
23.4
1.85
20.0
1H9N
19942
0.
0.0740000
0.0740000
1
7.
3.7
93.
0.2360000
1.85
1.90
2.9
0.2360000
2.3
81.
model building
X-PLOR
refinement
X-PLOR
data reduction
MOSFLM
data scaling
CCP4
phasing
X-PLOR
H119N CARBONIC ANHYDRASE II
1
N
N
2
N
N
3
N
N
A
PRO
13
A
PRO
12
HELX_P
A
LYS
18
A
LYS
17
5
1
6
A
PRO
21
A
PRO
20
HELX_P
A
LYS
24
A
LYS
23
5
2
4
A
THR
125
A
THR
124
HELX_P
A
TYR
128
A
TYR
126
5
3
3
A
PHE
131
A
PHE
129
HELX_P
A
GLN
136
A
GLN
134
1
4
6
A
PRO
155
A
PRO
153
HELX_P
A
ILE
167
A
ILE
165
5
5
13
A
PRO
181
A
PRO
179
HELX_P
A
LEU
184
A
LEU
182
5
6
4
A
SER
220
A
SER
218
HELX_P
A
LYS
228
A
LYS
226
1
7
9
metalc
2.039
A
HIS
94
A
NE2
HIS
93
1_555
A
ZN
262
B
ZN
ZN
1_555
metalc
2.019
A
HIS
96
A
NE2
HIS
95
1_555
A
ZN
262
B
ZN
ZN
1_555
metalc
2.291
A
ASN
119
A
OD1
ASN
118
1_555
A
ZN
262
B
ZN
ZN
1_555
metalc
2.093
A
ZN
262
B
ZN
ZN
1_555
A
HOH
300
C
O
HOH
1_555
metalc
2.226
A
ZN
262
B
ZN
ZN
1_555
A
HOH
301
C
O
HOH
1_555
LYASE
LYASE, OXO-ACID, ACETYLATION
A
SER
29
A
SER
28
1
A
PRO
30
A
PRO
29
-0.06
A
PRO
201
A
PRO
199
1
A
PRO
202
A
PRO
200
0.70
CAH2_HUMAN
UNP
1
1
P00918
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKG
GPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVD
VLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMV
DNWRPAQPLKNRQIKASFK
1
259
1H9N
2
261
P00918
A
1
1
259
1
HIS
engineered mutation
ASN
119
1H9N
A
P00918
UNP
118
118
2
8
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
A
LEU
47
A
LEU
46
A
SER
50
A
SER
49
A
VAL
78
A
VAL
77
A
GLY
81
A
GLY
80
A
SER
173
A
SER
171
A
ASP
175
A
ASP
173
A
SER
56
A
SER
55
A
ASN
61
A
ASN
60
A
PHE
66
A
PHE
65
A
PHE
70
A
PHE
69
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
LEU
148
A
LEU
146
A
VAL
207
A
VAL
205
A
LEU
212
A
LEU
210
A
TYR
191
A
TYR
189
A
GLY
196
A
GLY
194
A
LEU
148
A
LEU
146
A
VAL
150
A
VAL
148
A
ILE
216
A
ILE
214
A
VAL
218
A
VAL
216
ACTIVE SITE
Unknown
5
BINDING SITE FOR RESIDUE ZN A 262
A
ZN
262
Software
5
A
HIS
94
A
HIS
93
5
1_555
A
HIS
96
A
HIS
95
5
1_555
A
ASN
119
A
ASN
118
5
1_555
A
HOH
300
C
HOH
5
1_555
A
HOH
301
C
HOH
5
1_555
A
HIS
94
A
HIS
93
5
1_555
A
HIS
96
A
HIS
95
5
1_555
A
ASN
119
A
ASN
118
5
1_555
A
HOH
300
C
HOH
5
1_555
A
HOH
301
C
HOH
5
1_555
4
P 1 21 1