0.019380
0.000000
0.002472
0.000000
0.016592
0.000000
0.000000
0.000000
0.021336
0.00000
0.00000
0.00000
SEE REMARK 4.
Lipscomb, W.N.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
97.27
90.00
51.600
60.270
47.250
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 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
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
83
7568
7572
10.1073/pnas.83.20.7568
3463986
X-ray crystallographic investigation of substrate binding to carboxypeptidase A at subzero temperature.
1986
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
80
7151
Crystallographic Studies on Apocarboxypeptidase a and the Complex with Glycyl-L-Tyrosine
1983
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
168
367
Refined Crystal Structure of Carboxypeptidase a at 1.54 Angstroms Resolution.
1983
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
78
5455
Binding of Ligands to the Active Site of Carboxypeptidase A
1981
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
78
3408
Zinc Environment and Cis Peptide Bonds in Carboxypeptidase a at 1.75-Angstroms Resolution
1981
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
77
3875
Carboxypeptidase a Mechanisms
1980
US
Adv.Protein Chem.
APCHA2
0433
0065-3233
25
1
Carboxypeptidase A,A Protein and an Enzyme
1971
US
Acc.Chem.Res.
ACHRE4
0411
0001-4842
3
81
Structure and Mechanism in the Enzymatic Activity of Carboxypeptidase a and Relations to Chemical Sequence
1970
National Technical Information Service, Springfield,Va. (Bnl 50116(C-53)Vol.1)
Brookhaven Symposia in Biology
960
21
24
The Structure of Carboxypeptidase A, Vii.The 2.0-Angstroms Resolution Studies of the Enzyme and of its Complex with Glycyltyrosine,and Mechanistic Deductions
1969
National Biomedical Research Foundation, Silver Spring,Md.
Atlas of Protein Sequence and Structure (Data Section)
0435
0-912466-02-2
5
126
1972
1
1.000000
0.000000
.127571
0.000000
1.000000
0.000000
0.000000
0.000000
1.008104
0.00000
0.00000
0.00000
1
x-ray
1
1.0
34442.461
CARBOXYPEPTIDASE A
3.4.17.1
1
man
polymer
75.067
GLYCINE
1
syn
non-polymer
181.189
TYROSINE
1
syn
non-polymer
65.409
ZINC ION
1
syn
non-polymer
no
no
ARSTNTFNYATYHTLDEIYDFMDLLVAQHPELVSKLQIGRSYEGRPIYVLKFSTGGSNRPAIWIDLGIHSREWITQATGV
WFAKKFTENYGQNPSFTAILDSMDIFLEIVTNPNGFAFTHSENRLWRKTRSVTSSSLCVGVDANRNWDAGFGKAGASSSP
CSETYHGKYANSEVEVKSIVDFVKNHGNFKAFLSIHSYSQLLLYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKY
GSIITTIYQASGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTIMEHTVNN
ARSTNTFNYATYHTLDEIYDFMDLLVAQHPELVSKLQIGRSYEGRPIYVLKFSTGGSNRPAIWIDLGIHSREWITQATGV
WFAKKFTENYGQNPSFTAILDSMDIFLEIVTNPNGFAFTHSENRLWRKTRSVTSSSLCVGVDANRNWDAGFGKAGASSSP
CSETYHGKYANSEVEVKSIVDFVKNHGNFKAFLSIHSYSQLLLYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKY
GSIITTIYQASGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTIMEHTVNN
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
bovine
PANCREAS
sample
9913
Bos taurus
2.10
41.45
THE COMPLEX WAS PREPARED BY DIFFUSION OF GLY-TYR INTO CPA
CRYSTALS. THE OCCUPANCY OF THE GLY-TYR IS APPROXIMATELY
FORTY PERCENT.
pdbx_database_status
struct_conf
struct_conf_type
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Other
1
0
1982-07-29
1
1
2008-03-25
1
2
2011-07-13
1
3
2017-11-29
_pdbx_database_status.process_site
1982-07-29
SPRSDE
Y
BNL
1982-03-24
REL
GLY
GLYCINE
TYR
TYROSINE
ZN
ZINC ION
RESIDUES 501 AND 502 FORM THE DIPEPTIDE SUBSTRATE (GLY-TYR) BOUND TO THE ENZYME
GLY
501
2
GLY
GLY
501
A
TYR
502
3
TYR
TYR
502
A
ZN
308
4
ZN
ZN
308
A
ALA
1
n
1
ALA
1
A
ARG
2
n
2
ARG
2
A
SER
3
n
3
SER
3
A
THR
4
n
4
THR
4
A
ASN
5
n
5
ASN
5
A
THR
6
n
6
THR
6
A
PHE
7
n
7
PHE
7
A
ASN
8
n
8
ASN
8
A
TYR
9
n
9
TYR
9
A
ALA
10
n
10
ALA
10
A
THR
11
n
11
THR
11
A
TYR
12
n
12
TYR
12
A
HIS
13
n
13
HIS
13
A
THR
14
n
14
THR
14
A
LEU
15
n
15
LEU
15
A
ASP
16
n
16
ASP
16
A
GLU
17
n
17
GLU
17
A
ILE
18
n
18
ILE
18
A
TYR
19
n
19
TYR
19
A
ASP
20
n
20
ASP
20
A
PHE
21
n
21
PHE
21
A
MET
22
n
22
MET
22
A
ASP
23
n
23
ASP
23
A
LEU
24
n
24
LEU
24
A
LEU
25
n
25
LEU
25
A
VAL
26
n
26
VAL
26
A
ALA
27
n
27
ALA
27
A
GLN
28
n
28
GLN
28
A
HIS
29
n
29
HIS
29
A
PRO
30
n
30
PRO
30
A
GLU
31
n
31
GLU
31
A
LEU
32
n
32
LEU
32
A
VAL
33
n
33
VAL
33
A
SER
34
n
34
SER
34
A
LYS
35
n
35
LYS
35
A
LEU
36
n
36
LEU
36
A
GLN
37
n
37
GLN
37
A
ILE
38
n
38
ILE
38
A
GLY
39
n
39
GLY
39
A
ARG
40
n
40
ARG
40
A
SER
41
n
41
SER
41
A
TYR
42
n
42
TYR
42
A
GLU
43
n
43
GLU
43
A
GLY
44
n
44
GLY
44
A
ARG
45
n
45
ARG
45
A
PRO
46
n
46
PRO
46
A
ILE
47
n
47
ILE
47
A
TYR
48
n
48
TYR
48
A
VAL
49
n
49
VAL
49
A
LEU
50
n
50
LEU
50
A
LYS
51
n
51
LYS
51
A
PHE
52
n
52
PHE
52
A
SER
53
n
53
SER
53
A
THR
54
n
54
THR
54
A
GLY
55
n
55
GLY
55
A
GLY
56
n
56
GLY
56
A
SER
57
n
57
SER
57
A
ASN
58
n
58
ASN
58
A
ARG
59
n
59
ARG
59
A
PRO
60
n
60
PRO
60
A
ALA
61
n
61
ALA
61
A
ILE
62
n
62
ILE
62
A
TRP
63
n
63
TRP
63
A
ILE
64
n
64
ILE
64
A
ASP
65
n
65
ASP
65
A
LEU
66
n
66
LEU
66
A
GLY
67
n
67
GLY
67
A
ILE
68
n
68
ILE
68
A
HIS
69
n
69
HIS
69
A
SER
70
n
70
SER
70
A
ARG
71
n
71
ARG
71
A
GLU
72
n
72
GLU
72
A
TRP
73
n
73
TRP
73
A
ILE
74
n
74
ILE
74
A
THR
75
n
75
THR
75
A
GLN
76
n
76
GLN
76
A
ALA
77
n
77
ALA
77
A
THR
78
n
78
THR
78
A
GLY
79
n
79
GLY
79
A
VAL
80
n
80
VAL
80
A
TRP
81
n
81
TRP
81
A
PHE
82
n
82
PHE
82
A
ALA
83
n
83
ALA
83
A
LYS
84
n
84
LYS
84
A
LYS
85
n
85
LYS
85
A
PHE
86
n
86
PHE
86
A
THR
87
n
87
THR
87
A
GLU
88
n
88
GLU
88
A
ASN
89
n
89
ASN
89
A
TYR
90
n
90
TYR
90
A
GLY
91
n
91
GLY
91
A
GLN
92
n
92
GLN
92
A
ASN
93
n
93
ASN
93
A
PRO
94
n
94
PRO
94
A
SER
95
n
95
SER
95
A
PHE
96
n
96
PHE
96
A
THR
97
n
97
THR
97
A
ALA
98
n
98
ALA
98
A
ILE
99
n
99
ILE
99
A
LEU
100
n
100
LEU
100
A
ASP
101
n
101
ASP
101
A
SER
102
n
102
SER
102
A
MET
103
n
103
MET
103
A
ASP
104
n
104
ASP
104
A
ILE
105
n
105
ILE
105
A
PHE
106
n
106
PHE
106
A
LEU
107
n
107
LEU
107
A
GLU
108
n
108
GLU
108
A
ILE
109
n
109
ILE
109
A
VAL
110
n
110
VAL
110
A
THR
111
n
111
THR
111
A
ASN
112
n
112
ASN
112
A
PRO
113
n
113
PRO
113
A
ASN
114
n
114
ASN
114
A
GLY
115
n
115
GLY
115
A
PHE
116
n
116
PHE
116
A
ALA
117
n
117
ALA
117
A
PHE
118
n
118
PHE
118
A
THR
119
n
119
THR
119
A
HIS
120
n
120
HIS
120
A
SER
121
n
121
SER
121
A
GLU
122
n
122
GLU
122
A
ASN
123
n
123
ASN
123
A
ARG
124
n
124
ARG
124
A
LEU
125
n
125
LEU
125
A
TRP
126
n
126
TRP
126
A
ARG
127
n
127
ARG
127
A
LYS
128
n
128
LYS
128
A
THR
129
n
129
THR
129
A
ARG
130
n
130
ARG
130
A
SER
131
n
131
SER
131
A
VAL
132
n
132
VAL
132
A
THR
133
n
133
THR
133
A
SER
134
n
134
SER
134
A
SER
135
n
135
SER
135
A
SER
136
n
136
SER
136
A
LEU
137
n
137
LEU
137
A
CYS
138
n
138
CYS
138
A
VAL
139
n
139
VAL
139
A
GLY
140
n
140
GLY
140
A
VAL
141
n
141
VAL
141
A
ASP
142
n
142
ASP
142
A
ALA
143
n
143
ALA
143
A
ASN
144
n
144
ASN
144
A
ARG
145
n
145
ARG
145
A
ASN
146
n
146
ASN
146
A
TRP
147
n
147
TRP
147
A
ASP
148
n
148
ASP
148
A
ALA
149
n
149
ALA
149
A
GLY
150
n
150
GLY
150
A
PHE
151
n
151
PHE
151
A
GLY
152
n
152
GLY
152
A
LYS
153
n
153
LYS
153
A
ALA
154
n
154
ALA
154
A
GLY
155
n
155
GLY
155
A
ALA
156
n
156
ALA
156
A
SER
157
n
157
SER
157
A
SER
158
n
158
SER
158
A
SER
159
n
159
SER
159
A
PRO
160
n
160
PRO
160
A
CYS
161
n
161
CYS
161
A
SER
162
n
162
SER
162
A
GLU
163
n
163
GLU
163
A
THR
164
n
164
THR
164
A
TYR
165
n
165
TYR
165
A
HIS
166
n
166
HIS
166
A
GLY
167
n
167
GLY
167
A
LYS
168
n
168
LYS
168
A
TYR
169
n
169
TYR
169
A
ALA
170
n
170
ALA
170
A
ASN
171
n
171
ASN
171
A
SER
172
n
172
SER
172
A
GLU
173
n
173
GLU
173
A
VAL
174
n
174
VAL
174
A
GLU
175
n
175
GLU
175
A
VAL
176
n
176
VAL
176
A
LYS
177
n
177
LYS
177
A
SER
178
n
178
SER
178
A
ILE
179
n
179
ILE
179
A
VAL
180
n
180
VAL
180
A
ASP
181
n
181
ASP
181
A
PHE
182
n
182
PHE
182
A
VAL
183
n
183
VAL
183
A
LYS
184
n
184
LYS
184
A
ASN
185
n
185
ASN
185
A
HIS
186
n
186
HIS
186
A
GLY
187
n
187
GLY
187
A
ASN
188
n
188
ASN
188
A
PHE
189
n
189
PHE
189
A
LYS
190
n
190
LYS
190
A
ALA
191
n
191
ALA
191
A
PHE
192
n
192
PHE
192
A
LEU
193
n
193
LEU
193
A
SER
194
n
194
SER
194
A
ILE
195
n
195
ILE
195
A
HIS
196
n
196
HIS
196
A
SER
197
n
197
SER
197
A
TYR
198
n
198
TYR
198
A
SER
199
n
199
SER
199
A
GLN
200
n
200
GLN
200
A
LEU
201
n
201
LEU
201
A
LEU
202
n
202
LEU
202
A
LEU
203
n
203
LEU
203
A
TYR
204
n
204
TYR
204
A
PRO
205
n
205
PRO
205
A
TYR
206
n
206
TYR
206
A
GLY
207
n
207
GLY
207
A
TYR
208
n
208
TYR
208
A
THR
209
n
209
THR
209
A
THR
210
n
210
THR
210
A
GLN
211
n
211
GLN
211
A
SER
212
n
212
SER
212
A
ILE
213
n
213
ILE
213
A
PRO
214
n
214
PRO
214
A
ASP
215
n
215
ASP
215
A
LYS
216
n
216
LYS
216
A
THR
217
n
217
THR
217
A
GLU
218
n
218
GLU
218
A
LEU
219
n
219
LEU
219
A
ASN
220
n
220
ASN
220
A
GLN
221
n
221
GLN
221
A
VAL
222
n
222
VAL
222
A
ALA
223
n
223
ALA
223
A
LYS
224
n
224
LYS
224
A
SER
225
n
225
SER
225
A
ALA
226
n
226
ALA
226
A
VAL
227
n
227
VAL
227
A
ALA
228
n
228
ALA
228
A
ALA
229
n
229
ALA
229
A
LEU
230
n
230
LEU
230
A
LYS
231
n
231
LYS
231
A
SER
232
n
232
SER
232
A
LEU
233
n
233
LEU
233
A
TYR
234
n
234
TYR
234
A
GLY
235
n
235
GLY
235
A
THR
236
n
236
THR
236
A
SER
237
n
237
SER
237
A
TYR
238
n
238
TYR
238
A
LYS
239
n
239
LYS
239
A
TYR
240
n
240
TYR
240
A
GLY
241
n
241
GLY
241
A
SER
242
n
242
SER
242
A
ILE
243
n
243
ILE
243
A
ILE
244
n
244
ILE
244
A
THR
245
n
245
THR
245
A
THR
246
n
246
THR
246
A
ILE
247
n
247
ILE
247
A
TYR
248
n
248
TYR
248
A
GLN
249
n
249
GLN
249
A
ALA
250
n
250
ALA
250
A
SER
251
n
251
SER
251
A
GLY
252
n
252
GLY
252
A
GLY
253
n
253
GLY
253
A
SER
254
n
254
SER
254
A
ILE
255
n
255
ILE
255
A
ASP
256
n
256
ASP
256
A
TRP
257
n
257
TRP
257
A
SER
258
n
258
SER
258
A
TYR
259
n
259
TYR
259
A
ASN
260
n
260
ASN
260
A
GLN
261
n
261
GLN
261
A
GLY
262
n
262
GLY
262
A
ILE
263
n
263
ILE
263
A
LYS
264
n
264
LYS
264
A
TYR
265
n
265
TYR
265
A
SER
266
n
266
SER
266
A
PHE
267
n
267
PHE
267
A
THR
268
n
268
THR
268
A
PHE
269
n
269
PHE
269
A
GLU
270
n
270
GLU
270
A
LEU
271
n
271
LEU
271
A
ARG
272
n
272
ARG
272
A
ASP
273
n
273
ASP
273
A
THR
274
n
274
THR
274
A
GLY
275
n
275
GLY
275
A
ARG
276
n
276
ARG
276
A
TYR
277
n
277
TYR
277
A
GLY
278
n
278
GLY
278
A
PHE
279
n
279
PHE
279
A
LEU
280
n
280
LEU
280
A
LEU
281
n
281
LEU
281
A
PRO
282
n
282
PRO
282
A
ALA
283
n
283
ALA
283
A
SER
284
n
284
SER
284
A
GLN
285
n
285
GLN
285
A
ILE
286
n
286
ILE
286
A
ILE
287
n
287
ILE
287
A
PRO
288
n
288
PRO
288
A
THR
289
n
289
THR
289
A
ALA
290
n
290
ALA
290
A
GLN
291
n
291
GLN
291
A
GLU
292
n
292
GLU
292
A
THR
293
n
293
THR
293
A
TRP
294
n
294
TRP
294
A
LEU
295
n
295
LEU
295
A
GLY
296
n
296
GLY
296
A
VAL
297
n
297
VAL
297
A
LEU
298
n
298
LEU
298
A
THR
299
n
299
THR
299
A
ILE
300
n
300
ILE
300
A
MET
301
n
301
MET
301
A
GLU
302
n
302
GLU
302
A
HIS
303
n
303
HIS
303
A
THR
304
n
304
THR
304
A
VAL
305
n
305
VAL
305
A
ASN
306
n
306
ASN
306
A
ASN
307
n
307
ASN
307
A
author_defined_assembly
1
monomeric
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
308
D
ZN
ZN
1_555
A
HIS
196
A
ND1
HIS
196
1_555
98.5
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
91.2
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
153.3
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
116.0
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
100.1
A
GLU
72
A
OE1
GLU
72
1_555
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
53.5
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
34
A
O
SER
34
A
N
LYS
51
A
N
LYS
51
A
O
LEU
50
A
O
LEU
50
A
N
LEU
107
A
N
LEU
107
A
O
PHE
106
A
O
PHE
106
A
N
ILE
64
A
N
ILE
64
A
O
TRP
63
A
O
TRP
63
A
N
LEU
193
A
N
LEU
193
A
O
SER
194
A
O
SER
194
A
N
PHE
269
A
N
PHE
269
A
O
THR
268
A
O
THR
268
A
N
LEU
203
A
N
LEU
203
A
O
LEU
202
A
O
LEU
202
A
N
GLY
241
A
N
GLY
241
1
A
A
O
OE1
ALA
GLN
154
249
1.99
1
A
A
NH2
OE2
ARG
GLU
272
292
2.05
1
A
ARG
2
0.109
SIDE CHAIN
1
A
ARG
40
0.096
SIDE CHAIN
1
A
ARG
59
0.165
SIDE CHAIN
1
A
ARG
127
0.300
SIDE CHAIN
1
A
ARG
145
0.223
SIDE CHAIN
1
A
ARG
276
0.325
SIDE CHAIN
1
-4.10
0.60
121.00
116.90
A
A
A
CB
CG
CD2
TYR
TYR
TYR
9
9
9
N
1
5.64
0.60
121.00
126.64
A
A
A
CB
CG
CD1
TYR
TYR
TYR
19
19
19
N
1
9.60
1.60
122.70
132.30
A
A
A
O
C
N
GLY
GLY
ARG
39
39
40
Y
1
10.65
1.10
119.40
130.05
A
A
A
NH1
CZ
NH2
ARG
ARG
ARG
40
40
40
N
1
-10.23
0.50
120.30
110.07
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
40
40
40
N
1
12.18
1.60
122.70
134.88
A
A
A
O
C
N
ILE
ILE
TYR
47
47
48
Y
1
-5.22
0.60
121.00
115.78
A
A
A
CB
CG
CD2
TYR
TYR
TYR
48
48
48
N
1
16.33
2.50
121.70
138.03
A
A
A
C
N
CA
GLY
SER
SER
56
57
57
Y
1
17.03
2.10
111.80
128.83
A
A
A
CG
CD
NE
ARG
ARG
ARG
59
59
59
N
1
19.25
1.40
123.60
142.85
A
A
A
CD
NE
CZ
ARG
ARG
ARG
59
59
59
N
1
8.91
0.50
120.30
129.21
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
59
59
59
N
1
-4.80
0.50
120.30
115.50
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
59
59
59
N
1
13.92
2.10
111.80
125.72
A
A
A
CG
CD
NE
ARG
ARG
ARG
71
71
71
N
1
18.21
1.40
123.60
141.81
A
A
A
CD
NE
CZ
ARG
ARG
ARG
71
71
71
N
1
-10.82
1.20
123.30
112.48
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
72
72
72
N
1
13.44
2.00
118.30
131.74
A
A
A
CG
CD
OE1
GLU
GLU
GLU
72
72
72
N
1
13.94
1.40
112.40
126.34
A
A
A
CA
CB
CG2
THR
THR
THR
97
97
97
N
1
-4.60
0.50
120.30
115.70
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
130
130
130
N
1
-4.45
0.50
120.30
115.85
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
145
145
145
N
1
-10.82
1.80
114.00
103.18
A
A
A
CA
CB
SG
CYS
CYS
CYS
161
161
161
N
1
10.02
0.90
118.30
128.32
A
A
A
CB
CG
OD1
ASP
ASP
ASP
181
181
181
N
1
-4.90
0.60
121.00
116.10
A
A
A
CB
CG
CD2
TYR
TYR
TYR
238
238
238
N
1
14.61
2.30
110.00
124.61
A
A
A
OG1
CB
CG2
THR
THR
THR
245
245
245
N
1
8.73
1.40
112.40
121.13
A
A
A
CA
CB
CG2
THR
THR
THR
245
245
245
N
1
20.20
2.00
110.90
131.10
A
A
A
CA
CB
CG2
ILE
ILE
ILE
255
255
255
N
1
6.67
0.90
118.30
124.97
A
A
A
CB
CG
OD1
ASP
ASP
ASP
273
273
273
N
1
3.07
0.50
120.30
123.37
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
276
276
276
N
1
9.74
1.50
110.10
119.84
A
A
A
CB
CA
C
ALA
ALA
ALA
290
290
290
N
1
-8.06
1.20
123.30
115.24
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
292
292
292
N
1
16.27
2.30
115.30
131.57
A
A
A
CA
CB
CG
LEU
LEU
LEU
295
295
295
N
1
A
A
CB
OG
SER
SER
34
34
-0.102
0.013
1.418
1.316
N
1
A
A
CD
NE
ARG
ARG
71
71
-0.106
0.017
1.460
1.354
N
1
A
A
CD
OE1
GLU
GLU
108
108
-0.082
0.011
1.252
1.170
N
1
A
A
CD
OE1
GLU
GLU
173
173
-0.086
0.011
1.252
1.166
N
1
A
A
N
CA
ALA
ALA
250
250
-0.147
0.020
1.459
1.312
N
1
A
HIS
29
-144.19
56.59
1
A
SER
57
-50.19
-118.04
1
A
GLU
122
-130.95
-49.96
1
A
THR
129
-77.85
-168.62
1
A
THR
133
96.87
145.07
1
A
SER
134
130.62
-141.76
1
A
ALA
149
-154.41
84.34
1
A
SER
199
143.33
-0.37
1
A
GLN
200
68.40
63.68
1
A
ILE
247
-111.60
-87.79
1
A
ASP
273
-119.91
-147.87
1
A
LEU
280
-97.21
52.47
2.0
1
2.0
0
2455
18
0
2437
refinement
PROLSQ
CARBOXYPEPTIDASE A ALPHA (COX) (E.C.3.4.17.1) COMPLEX WITH GLYCYL-L-TYROSINE
X-RAY CRYSTALLOGRAPHIC INVESTIGATION OF SUBSTRATE BINDING TO CARBOXYPEPTIDASE A AT SUBZERO TEMPERATURE
1
N
N
2
N
N
3
N
N
4
N
N
A
THR
14
A
THR
14
HELX_P
AA 26-28 FORM ALPHA(II) HELIX
A
GLN
28
A
GLN
28
1
H1
15
A
GLU
72
A
GLU
72
HELX_P
A
GLU
88
A
GLU
88
1
H2
17
A
PRO
94
A
PRO
94
HELX_P
AA 100-103 FORM ALPHA(II) HLX
A
MET
103
A
MET
103
1
H3
10
A
ASN
112
A
ASN
112
HELX_P
CONTAINS ONLY 1-2 H-BONDS.
A
GLU
122
A
GLU
122
1
H4
11
A
GLU
173
A
GLU
173
HELX_P
A
GLY
187
A
GLY
187
1
H5
15
A
ASP
215
A
ASP
215
HELX_P
A
LYS
231
A
LYS
231
1
H6
17
A
SER
254
A
SER
254
HELX_P
AA 260-262 FORM ALPHA(II) HLX
A
GLY
262
A
GLY
262
1
H7
9
A
GLN
285
A
GLN
285
HELX_P
A
ASN
306
A
ASN
306
1
H8
22
disulf
1.996
A
CYS
138
A
SG
CYS
138
1_555
A
CYS
161
A
SG
CYS
161
1_555
metalc
2.100
A
ZN
308
D
ZN
ZN
1_555
A
HIS
69
A
ND1
HIS
69
1_555
metalc
2.087
A
ZN
308
D
ZN
ZN
1_555
A
HIS
196
A
ND1
HIS
196
1_555
metalc
2.237
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
metalc
2.323
A
ZN
308
D
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
covale
1.321
A
GLY
501
B
C
GLY
1_555
A
TYR
502
C
N
TYR
1_555
HYDROLASE (C-TERMINAL PEPTIDASE)
HYDROLASE (C-TERMINAL PEPTIDASE)
A
SER
197
A
SER
197
1
A
TYR
198
A
TYR
198
-3.20
A
PRO
205
A
PRO
205
1
A
TYR
206
A
TYR
206
6.03
A
ARG
272
A
ARG
272
1
A
ASP
273
A
ASP
273
0.24
CBPA_BOVIN
UNP
1
1
P00730
MQGLLILSVLLGAALGKEDFVGHQVLRITAADEAEVQTVKELEDLEHLQLDFWRGPGQPGSPIDVRVPFPSLQAVKVFLE
AHGIRYRIMIEDVQSLLDEEQEQMFASQSRARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVL
KFSTGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTEDYGQDPSFTAILDSMDIFLEIVTNPDGFAFTHSQNRLWRKTR
SVTSSSLCVGVDANRNWDAGFGKAGASSSPCSETYHGKYANSEVEVKSIVDFVKDHGNFKAFLSIHSYSQLLLYPYGYTT
QSIPDKTELNQVAKSAVEALKSLYGTSYKYGSIITTIYQASGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTA
QETWLGVLTIMEHTLNNLY
111
417
3CPA
1
307
P00730
A
1
1
307
1
GLU
CONFLICT
GLN
28
3CPA
A
P00730
UNP
138
28
1
GLN
CONFLICT
GLU
31
3CPA
A
P00730
UNP
141
31
1
ASP
CONFLICT
ASN
89
3CPA
A
P00730
UNP
199
89
1
ASP
CONFLICT
ASN
93
3CPA
A
P00730
UNP
203
93
1
ASP
CONFLICT
ASN
114
3CPA
A
P00730
UNP
224
114
1
GLN
CONFLICT
GLU
122
3CPA
A
P00730
UNP
232
122
1
ASP
CONFLICT
ASN
185
3CPA
A
P00730
UNP
295
185
1
GLU
CONFLICT
ALA
228
3CPA
A
P00730
UNP
338
228
1
LEU
CONFLICT
VAL
305
3CPA
A
P00730
UNP
415
305
8
anti-parallel
anti-parallel
parallel
parallel
parallel
anti-parallel
parallel
A
LEU
32
A
LEU
32
A
LEU
36
A
LEU
36
A
VAL
49
A
VAL
49
A
SER
53
A
SER
53
A
ASP
104
A
ASP
104
A
ILE
109
A
ILE
109
A
PRO
60
A
PRO
60
A
LEU
66
A
LEU
66
A
LYS
190
A
LYS
190
A
HIS
196
A
HIS
196
A
TYR
265
A
TYR
265
A
LEU
271
A
LEU
271
A
GLN
200
A
GLN
200
A
TYR
204
A
TYR
204
A
LYS
239
A
LYS
239
A
GLY
241
A
GLY
241
BINDING SITE FOR RESIDUE GLY A 501
Software
7
BINDING SITE FOR RESIDUE TYR A 502
Software
11
BINDING SITE FOR RESIDUE ZN A 308
Software
4
A
HIS
69
A
HIS
69
7
1_555
A
GLU
72
A
GLU
72
7
1_555
A
HIS
196
A
HIS
196
7
1_555
A
SER
197
A
SER
197
7
1_555
A
GLU
270
A
GLU
270
7
1_555
A
ZN
308
D
ZN
7
1_555
A
TYR
502
C
TYR
7
1_555
A
HIS
69
A
HIS
69
11
1_555
A
ASN
144
A
ASN
144
11
1_555
A
ARG
145
A
ARG
145
11
1_555
A
ILE
243
A
ILE
243
11
1_555
A
TYR
248
A
TYR
248
11
1_555
A
ALA
250
A
ALA
250
11
1_555
A
GLY
253
A
GLY
253
11
1_555
A
SER
254
A
SER
254
11
1_555
A
ASP
256
A
ASP
256
11
1_555
A
GLU
270
A
GLU
270
11
1_555
A
GLY
501
B
GLY
11
1_555
A
HIS
69
A
HIS
69
4
1_555
A
GLU
72
A
GLU
72
4
1_555
A
HIS
196
A
HIS
196
4
1_555
A
GLY
501
B
GLY
4
1_555
4
P 1 21 1