0.019380
0.000000
0.002472
0.000000
0.016592
0.000000
0.000000
0.000000
0.021336
0.00000
0.00000
0.00000
SER 197 - TYR 198 OMEGA =342.52 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
TYR 198 - SER 199 OMEGA =145.05 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
PRO 205 - TYR 206 OMEGA = 11.68 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
ARG 272 - ASP 273 OMEGA =357.86 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
Mangani, S.
Carloni, P.
Orioli, P.
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
C11 H12 O4
208.211
L-BENZYLSUCCINIC ACID
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
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
223
573
578
10.1016/0022-2836(92)90671-6
1738164
Crystal structure of the complex between carboxypeptidase A and the biproduct analog inhibitor L-benzylsuccinate at 2.0 A resolution.
1992
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
168
367
Refined Crystal Structure of Carboxypeptidase a at 1.54 Angstroms Resolution
1983
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
34442.461
CARBOXYPEPTIDASE A
3.4.17.1
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
208.211
L-BENZYLSUCCINIC ACID
1
syn
non-polymer
18.015
water
178
nat
water
no
no
ARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVLKFSTGGSNRPAIWIDLGIHSREWITQATGV
WFAKKFTENYGQNPSFTAILDSMDIFLEIVTNPNGFAFTHSENRLWRKTRSVTSSSLCVGVDANRNWDAGFGKAGASSSP
CSETYHGKYANSEVEVKSIVDFVKNHGNFKAFLSIHSYSQLLLYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKY
GSIITTIYQASGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTIMEHTVNN
ARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVLKFSTGGSNRPAIWIDLGIHSREWITQATGV
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
cattle
Bos
sample
9913
Bos taurus
2.12
41.85
pdbx_database_status
struct_conf
struct_conf_type
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Other
1
0
1994-01-31
1
1
2008-03-24
1
2
2011-07-13
1
3
2017-11-29
_pdbx_database_status.process_site
SHEET
THE PRESENT STRUCTURE MAINTAINS ALL SECONDARY STRUCTURES
(HELICES, SHEETS AND TURNS) OF THE NATIVE CPA STRUCTURE OF
PROTEIN DATA BANK ENTRY 5CPA.
Y
BNL
1991-10-31
REL
ZN
ZINC ION
BZS
L-BENZYLSUCCINIC ACID
HOH
water
THE SEQUENCE HAS BEEN TAKEN FROM PROTEIN DATA BANK ENTRY
5CPA.
SEQUENCE ADVISORY NOTICE:
DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE.
SWISS-PROT ENTRY NAME: CPBA_BOVIN
SWISS-PROT RESIDUE PDB SEQRES
NAME NUMBER NAME CHAIN SEQ/INSERT CODE
ASP 89 ASN 89
ASP 93 ASN 93
ASP 114 ASN 114
GLN 122 GLU 122
ASP 185 ASN 185
GLU 228 ALA 228
LEU 305 VAL 305
ZN
309
2
ZN
ZN
309
A
BZS
500
3
BZS
BZS
500
A
HOH
1
4
HOH
HOH
501
A
HOH
2
4
HOH
HOH
502
A
HOH
3
4
HOH
HOH
503
A
HOH
4
4
HOH
HOH
504
A
HOH
5
4
HOH
HOH
505
A
HOH
6
4
HOH
HOH
506
A
HOH
7
4
HOH
HOH
507
A
HOH
8
4
HOH
HOH
508
A
HOH
9
4
HOH
HOH
509
A
HOH
10
4
HOH
HOH
510
A
HOH
11
4
HOH
HOH
511
A
HOH
12
4
HOH
HOH
512
A
HOH
13
4
HOH
HOH
513
A
HOH
14
4
HOH
HOH
514
A
HOH
15
4
HOH
HOH
515
A
HOH
16
4
HOH
HOH
516
A
HOH
17
4
HOH
HOH
517
A
HOH
18
4
HOH
HOH
518
A
HOH
19
4
HOH
HOH
519
A
HOH
20
4
HOH
HOH
520
A
HOH
21
4
HOH
HOH
521
A
HOH
22
4
HOH
HOH
522
A
HOH
23
4
HOH
HOH
523
A
HOH
24
4
HOH
HOH
524
A
HOH
25
4
HOH
HOH
525
A
HOH
26
4
HOH
HOH
526
A
HOH
27
4
HOH
HOH
527
A
HOH
28
4
HOH
HOH
528
A
HOH
29
4
HOH
HOH
529
A
HOH
30
4
HOH
HOH
530
A
HOH
31
4
HOH
HOH
531
A
HOH
32
4
HOH
HOH
532
A
HOH
33
4
HOH
HOH
533
A
HOH
34
4
HOH
HOH
534
A
HOH
35
4
HOH
HOH
535
A
HOH
36
4
HOH
HOH
536
A
HOH
37
4
HOH
HOH
537
A
HOH
38
4
HOH
HOH
538
A
HOH
39
4
HOH
HOH
539
A
HOH
40
4
HOH
HOH
540
A
HOH
41
4
HOH
HOH
541
A
HOH
42
4
HOH
HOH
542
A
HOH
43
4
HOH
HOH
543
A
HOH
44
4
HOH
HOH
544
A
HOH
45
4
HOH
HOH
545
A
HOH
46
4
HOH
HOH
546
A
HOH
47
4
HOH
HOH
547
A
HOH
48
4
HOH
HOH
548
A
HOH
49
4
HOH
HOH
549
A
HOH
50
4
HOH
HOH
550
A
HOH
51
4
HOH
HOH
551
A
HOH
52
4
HOH
HOH
552
A
HOH
53
4
HOH
HOH
553
A
HOH
54
4
HOH
HOH
554
A
HOH
55
4
HOH
HOH
555
A
HOH
56
4
HOH
HOH
556
A
HOH
57
4
HOH
HOH
557
A
HOH
58
4
HOH
HOH
558
A
HOH
59
4
HOH
HOH
559
A
HOH
60
4
HOH
HOH
560
A
HOH
61
4
HOH
HOH
561
A
HOH
62
4
HOH
HOH
562
A
HOH
63
4
HOH
HOH
563
A
HOH
64
4
HOH
HOH
564
A
HOH
65
4
HOH
HOH
565
A
HOH
66
4
HOH
HOH
566
A
HOH
67
4
HOH
HOH
567
A
HOH
68
4
HOH
HOH
568
A
HOH
69
4
HOH
HOH
569
A
HOH
70
4
HOH
HOH
570
A
HOH
71
4
HOH
HOH
571
A
HOH
72
4
HOH
HOH
572
A
HOH
73
4
HOH
HOH
573
A
HOH
74
4
HOH
HOH
574
A
HOH
75
4
HOH
HOH
575
A
HOH
76
4
HOH
HOH
576
A
HOH
77
4
HOH
HOH
577
A
HOH
78
4
HOH
HOH
578
A
HOH
79
4
HOH
HOH
579
A
HOH
80
4
HOH
HOH
580
A
HOH
81
4
HOH
HOH
581
A
HOH
82
4
HOH
HOH
582
A
HOH
83
4
HOH
HOH
583
A
HOH
84
4
HOH
HOH
584
A
HOH
85
4
HOH
HOH
585
A
HOH
86
4
HOH
HOH
586
A
HOH
87
4
HOH
HOH
587
A
HOH
88
4
HOH
HOH
588
A
HOH
89
4
HOH
HOH
589
A
HOH
90
4
HOH
HOH
590
A
HOH
91
4
HOH
HOH
591
A
HOH
92
4
HOH
HOH
592
A
HOH
93
4
HOH
HOH
593
A
HOH
94
4
HOH
HOH
594
A
HOH
95
4
HOH
HOH
595
A
HOH
96
4
HOH
HOH
596
A
HOH
97
4
HOH
HOH
597
A
HOH
98
4
HOH
HOH
598
A
HOH
99
4
HOH
HOH
599
A
HOH
100
4
HOH
HOH
600
A
HOH
101
4
HOH
HOH
601
A
HOH
102
4
HOH
HOH
602
A
HOH
103
4
HOH
HOH
603
A
HOH
104
4
HOH
HOH
604
A
HOH
105
4
HOH
HOH
605
A
HOH
106
4
HOH
HOH
606
A
HOH
107
4
HOH
HOH
607
A
HOH
108
4
HOH
HOH
608
A
HOH
109
4
HOH
HOH
609
A
HOH
110
4
HOH
HOH
610
A
HOH
111
4
HOH
HOH
611
A
HOH
112
4
HOH
HOH
612
A
HOH
113
4
HOH
HOH
613
A
HOH
114
4
HOH
HOH
614
A
HOH
115
4
HOH
HOH
615
A
HOH
116
4
HOH
HOH
616
A
HOH
117
4
HOH
HOH
617
A
HOH
118
4
HOH
HOH
618
A
HOH
119
4
HOH
HOH
619
A
HOH
120
4
HOH
HOH
620
A
HOH
121
4
HOH
HOH
621
A
HOH
122
4
HOH
HOH
622
A
HOH
123
4
HOH
HOH
623
A
HOH
124
4
HOH
HOH
624
A
HOH
125
4
HOH
HOH
625
A
HOH
126
4
HOH
HOH
626
A
HOH
127
4
HOH
HOH
627
A
HOH
128
4
HOH
HOH
628
A
HOH
129
4
HOH
HOH
629
A
HOH
130
4
HOH
HOH
630
A
HOH
131
4
HOH
HOH
631
A
HOH
132
4
HOH
HOH
632
A
HOH
133
4
HOH
HOH
633
A
HOH
134
4
HOH
HOH
634
A
HOH
135
4
HOH
HOH
635
A
HOH
136
4
HOH
HOH
636
A
HOH
137
4
HOH
HOH
637
A
HOH
138
4
HOH
HOH
638
A
HOH
139
4
HOH
HOH
639
A
HOH
140
4
HOH
HOH
640
A
HOH
141
4
HOH
HOH
641
A
HOH
142
4
HOH
HOH
642
A
HOH
143
4
HOH
HOH
643
A
HOH
144
4
HOH
HOH
644
A
HOH
145
4
HOH
HOH
645
A
HOH
146
4
HOH
HOH
646
A
HOH
147
4
HOH
HOH
647
A
HOH
148
4
HOH
HOH
648
A
HOH
149
4
HOH
HOH
649
A
HOH
150
4
HOH
HOH
650
A
HOH
151
4
HOH
HOH
651
A
HOH
152
4
HOH
HOH
652
A
HOH
153
4
HOH
HOH
653
A
HOH
154
4
HOH
HOH
654
A
HOH
155
4
HOH
HOH
655
A
HOH
156
4
HOH
HOH
656
A
HOH
157
4
HOH
HOH
657
A
HOH
158
4
HOH
HOH
658
A
HOH
159
4
HOH
HOH
659
A
HOH
160
4
HOH
HOH
660
A
HOH
161
4
HOH
HOH
661
A
HOH
162
4
HOH
HOH
662
A
HOH
163
4
HOH
HOH
663
A
HOH
164
4
HOH
HOH
664
A
HOH
165
4
HOH
HOH
665
A
HOH
166
4
HOH
HOH
666
A
HOH
167
4
HOH
HOH
667
A
HOH
168
4
HOH
HOH
668
A
HOH
169
4
HOH
HOH
669
A
HOH
170
4
HOH
HOH
670
A
HOH
171
4
HOH
HOH
671
A
HOH
172
4
HOH
HOH
672
A
HOH
173
4
HOH
HOH
673
A
HOH
174
4
HOH
HOH
674
A
HOH
175
4
HOH
HOH
675
A
HOH
176
4
HOH
HOH
676
A
HOH
177
4
HOH
HOH
677
A
HOH
178
4
HOH
HOH
678
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
GLU
28
n
28
GLU
28
A
HIS
29
n
29
HIS
29
A
PRO
30
n
30
PRO
30
A
GLN
31
n
31
GLN
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
309
B
ZN
ZN
1_555
A
HIS
196
A
ND1
HIS
196
1_555
92.6
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O1
BZS
1_555
99.1
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O1
BZS
1_555
111.0
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O2
BZS
1_555
143.4
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O2
BZS
1_555
83.8
A
BZS
500
C
O1
BZS
1_555
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O2
BZS
1_555
49.9
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
119.9
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
79.2
A
BZS
500
C
O1
BZS
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
139.6
A
BZS
500
C
O2
BZS
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
95.3
A
HIS
69
A
ND1
HIS
69
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
108.6
A
HIS
196
A
ND1
HIS
196
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
131.9
A
BZS
500
C
O1
BZS
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
107.6
A
BZS
500
C
O2
BZS
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
100.5
A
GLU
72
A
OE1
GLU
72
1_555
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
52.7
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
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
OG
O
SER
HOH
254
648
2.04
1
A
A
O
CG2
THR
THR
289
293
2.15
1
A
ILE
47
-11.73
1
A
ASN
58
11.77
1
A
ALA
156
10.49
1
A
LEU
203
11.34
1
A
LEU
230
14.18
1
A
GLY
278
-13.16
1
A
ALA
283
-12.11
1
A
A
TYR
SER
198
199
145.05
1
A
TYR
19
0.085
SIDE CHAIN
1
A
PHE
21
0.073
SIDE CHAIN
1
A
TYR
165
0.065
SIDE CHAIN
1
A
PHE
189
0.074
SIDE CHAIN
1
A
TYR
238
0.066
SIDE CHAIN
1
3.38
0.50
120.30
123.68
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
2
2
2
N
1
6.24
0.80
121.30
127.54
A
A
A
CG
CD1
CE1
TYR
TYR
TYR
9
9
9
N
1
-6.93
0.80
121.30
114.37
A
A
A
CG
CD2
CE2
TYR
TYR
TYR
9
9
9
N
1
-6.70
0.90
119.80
113.10
A
A
A
CD1
CE1
CZ
TYR
TYR
TYR
9
9
9
N
1
5.67
0.90
119.80
125.47
A
A
A
CZ
CE2
CD2
TYR
TYR
TYR
9
9
9
N
1
10.26
0.90
118.30
128.56
A
A
A
CB
CG
OD1
ASP
ASP
ASP
16
16
16
N
1
-7.44
0.90
118.30
110.86
A
A
A
CB
CG
OD2
ASP
ASP
ASP
16
16
16
N
1
9.59
0.90
118.30
127.89
A
A
A
CB
CG
OD1
ASP
ASP
ASP
20
20
20
N
1
-7.85
0.90
118.30
110.45
A
A
A
CB
CG
OD2
ASP
ASP
ASP
20
20
20
N
1
-6.22
0.50
120.30
114.08
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
40
40
40
N
1
-6.43
0.60
121.00
114.57
A
A
A
CB
CG
CD1
TYR
TYR
TYR
42
42
42
N
1
-3.95
0.50
120.30
116.35
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
45
45
45
N
1
-3.79
0.60
121.00
117.21
A
A
A
CB
CG
CD2
TYR
TYR
TYR
48
48
48
N
1
5.01
0.60
121.00
126.01
A
A
A
CB
CG
CD1
TYR
TYR
TYR
48
48
48
N
1
-4.88
0.80
121.30
116.42
A
A
A
CG
CD1
CE1
TYR
TYR
TYR
48
48
48
N
1
5.87
0.80
121.30
127.17
A
A
A
CG
CD2
CE2
TYR
TYR
TYR
48
48
48
N
1
5.63
0.90
119.80
125.43
A
A
A
CD1
CE1
CZ
TYR
TYR
TYR
48
48
48
N
1
10.12
1.60
122.70
132.82
A
A
A
O
C
N
TYR
TYR
VAL
48
48
49
Y
1
-3.42
0.50
120.30
116.88
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
59
59
59
N
1
11.24
1.80
110.60
121.84
A
A
A
N
CA
CB
ASP
ASP
ASP
65
65
65
N
1
3.98
0.50
120.30
124.28
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
71
71
71
N
1
-13.86
2.10
120.10
106.24
A
A
A
CA
C
O
THR
THR
THR
119
119
119
N
1
3.72
0.50
120.30
124.02
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
127
127
127
N
1
9.66
1.60
122.70
132.36
A
A
A
O
C
N
THR
THR
SER
133
133
134
Y
1
9.07
0.90
118.30
127.37
A
A
A
CB
CG
OD1
ASP
ASP
ASP
142
142
142
N
1
-11.48
0.90
118.30
106.82
A
A
A
CB
CG
OD2
ASP
ASP
ASP
142
142
142
N
1
5.64
0.50
120.30
125.94
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
145
145
145
N
1
-9.30
0.50
120.30
111.00
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
145
145
145
N
1
8.06
0.90
118.30
126.36
A
A
A
CB
CG
OD1
ASP
ASP
ASP
148
148
148
N
1
-5.67
0.90
118.30
112.63
A
A
A
CB
CG
OD2
ASP
ASP
ASP
148
148
148
N
1
-4.37
0.60
121.00
116.63
A
A
A
CB
CG
CD1
TYR
TYR
TYR
165
165
165
N
1
-5.54
0.90
119.80
114.26
A
A
A
CD1
CE1
CZ
TYR
TYR
TYR
165
165
165
N
1
-3.84
0.60
121.00
117.16
A
A
A
CB
CG
CD1
TYR
TYR
TYR
169
169
169
N
1
5.89
0.90
118.30
124.19
A
A
A
CB
CG
OD1
ASP
ASP
ASP
181
181
181
N
1
5.21
0.70
120.80
126.01
A
A
A
CB
CG
CD2
PHE
PHE
PHE
182
182
182
N
1
-7.90
0.70
120.80
112.90
A
A
A
CB
CG
CD1
PHE
PHE
PHE
182
182
182
N
1
9.18
1.50
110.50
119.68
A
A
A
N
CA
CB
SER
SER
SER
194
194
194
N
1
-12.11
1.90
110.20
98.09
A
A
A
CB
CA
C
LEU
LEU
LEU
202
202
202
N
1
-4.16
0.60
121.00
116.84
A
A
A
CB
CG
CD2
TYR
TYR
TYR
208
208
208
N
1
6.28
0.60
121.00
127.28
A
A
A
CB
CG
CD1
TYR
TYR
TYR
208
208
208
N
1
8.07
0.60
121.00
129.07
A
A
A
CB
CG
CD2
TYR
TYR
TYR
248
248
248
N
1
-7.51
0.60
121.00
113.49
A
A
A
CB
CG
CD1
TYR
TYR
TYR
248
248
248
N
1
-9.11
1.50
110.50
101.39
A
A
A
N
CA
CB
SER
SER
SER
254
254
254
N
1
16.61
2.00
110.90
127.51
A
A
A
CA
CB
CG2
ILE
ILE
ILE
255
255
255
N
1
-3.68
0.50
120.30
116.62
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
272
272
272
N
1
6.85
0.90
118.30
125.15
A
A
A
CB
CG
OD1
ASP
ASP
ASP
273
273
273
N
1
-6.74
0.60
121.00
114.26
A
A
A
CB
CG
CD2
TYR
TYR
TYR
277
277
277
N
1
4.77
0.60
121.00
125.77
A
A
A
CB
CG
CD1
TYR
TYR
TYR
277
277
277
N
1
A
A
NE2
CD2
HIS
HIS
13
13
-0.076
0.011
1.373
1.297
N
1
A
A
CD
OE2
GLU
GLU
17
17
0.078
0.011
1.252
1.330
N
1
A
A
CZ
NH1
ARG
ARG
40
40
0.090
0.013
1.326
1.416
N
1
A
A
CD
OE1
GLU
GLU
43
43
0.110
0.011
1.252
1.362
N
1
A
A
CD
OE2
GLU
GLU
88
88
-0.081
0.011
1.252
1.171
N
1
A
A
CD
OE1
GLU
GLU
122
122
0.094
0.011
1.252
1.346
N
1
A
A
CD
OE1
GLU
GLU
163
163
0.070
0.011
1.252
1.322
N
1
A
A
CD
OE2
GLU
GLU
173
173
0.083
0.011
1.252
1.335
N
1
A
A
CD
OE2
GLU
GLU
175
175
0.069
0.011
1.252
1.321
N
1
A
A
CB
OG
SER
SER
178
178
0.088
0.013
1.418
1.506
N
1
A
A
CD
OE2
GLU
GLU
218
218
0.086
0.011
1.252
1.338
N
1
A
A
CZ
OH
TYR
TYR
238
238
-0.102
0.017
1.374
1.272
N
1
A
A
CB
OG
SER
SER
254
254
-0.080
0.013
1.418
1.338
N
1
A
A
C
O
LEU
LEU
271
271
0.124
0.019
1.229
1.353
N
1
A
A
CD
OE2
GLU
GLU
302
302
0.072
0.011
1.252
1.324
N
1
A
SER
57
-79.63
-92.13
1
A
THR
133
113.69
147.68
1
A
SER
134
114.05
-140.47
1
A
SER
135
-101.70
48.11
1
A
SER
199
153.02
13.12
1
A
GLN
200
57.74
71.85
1
A
ILE
247
-120.80
-62.40
1
A
TYR
248
174.65
163.53
1
A
ASP
273
-106.40
-142.46
1
A
LEU
280
-108.70
51.53
0.166
2.0
1
2.0
178
2631
16
0
2437
0.026
3.3
refinement
TNT
CARBOXYPEPTIDASE A (E.C.3.4.17.1) COMPLEX WITH L-BENZYLSUCCINATE INHIBITOR
CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN CARBOXYPEPTIDASE A AND THE BIPRODUCT ANALOG INHIBITOR L-BENZYLSUCCINATE AT 2.0 ANGSTROMS RESOLUTION
1
N
N
2
N
N
3
N
N
4
N
N
A
THR
14
A
THR
14
HELX_P
26-28 FORM ALPHA(II) HELIX
A
GLU
28
A
GLU
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
100-103 FORM ALPHA(II) HELIX
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
260-262 FORM ALPHA(II) HELIX
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
1.963
A
CYS
138
A
SG
CYS
138
1_555
A
CYS
161
A
SG
CYS
161
1_555
metalc
2.043
A
ZN
309
B
ZN
ZN
1_555
A
HIS
69
A
ND1
HIS
69
1_555
metalc
1.997
A
ZN
309
B
ZN
ZN
1_555
A
HIS
196
A
ND1
HIS
196
1_555
metalc
2.305
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O1
BZS
1_555
metalc
2.614
A
ZN
309
B
ZN
ZN
1_555
A
BZS
500
C
O2
BZS
1_555
metalc
2.751
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE1
GLU
72
1_555
metalc
2.028
A
ZN
309
B
ZN
ZN
1_555
A
GLU
72
A
OE2
GLU
72
1_555
HYDROLASE(C-TERMINAL PEPTIDASE)
HYDROLASE(C-TERMINAL PEPTIDASE)
A
SER
197
A
SER
197
1
A
TYR
198
A
TYR
198
-17.48
A
PRO
205
A
PRO
205
1
A
TYR
206
A
TYR
206
11.68
A
ARG
272
A
ARG
272
1
A
ASP
273
A
ASP
273
-2.14
CBPA1_BOVIN
UNP
1
1
P00730
MQGLLILSVLLGAALGKEDFVGHQVLRITAADEAEVQTVKELEDLEHLQLDFWRGPGQPGSPIDVRVPFPSLQAVKVFLE
AHGIRYRIMIEDVQSLLDEEQEQMFASQSRARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVL
KFSTGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTEDYGQDPSFTAILDSMDIFLEIVTNPDGFAFTHSQNRLWRKTR
SVTSSSLCVGVDANRNWDAGFGKAGASSSPCSETYHGKYANSEVEVKSIVDFVKDHGNFKAFLSIHSYSQLLLYPYGYTT
QSIPDKTELNQVAKSAVEALKSLYGTSYKYGSIITTIYQASGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTA
QETWLGVLTIMEHTLNNLY
111
417
1CBX
1
307
P00730
A
1
1
307
1
ASP
CONFLICT
ASN
89
1CBX
A
P00730
UNP
199
89
1
ASP
CONFLICT
ASN
93
1CBX
A
P00730
UNP
203
93
1
ASP
CONFLICT
ASN
114
1CBX
A
P00730
UNP
224
114
1
GLN
CONFLICT
GLU
122
1CBX
A
P00730
UNP
232
122
1
ASP
CONFLICT
ASN
185
1CBX
A
P00730
UNP
295
185
1
GLU
CONFLICT
ALA
228
1CBX
A
P00730
UNP
338
228
1
LEU
CONFLICT
VAL
305
1CBX
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 ZN A 309
Software
4
BINDING SITE FOR RESIDUE BZS A 500
Software
13
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
BZS
500
C
BZS
4
1_555
A
HIS
69
A
HIS
69
13
1_555
A
GLU
72
A
GLU
72
13
1_555
A
ARG
127
A
ARG
127
13
1_555
A
ASN
144
A
ASN
144
13
1_555
A
ARG
145
A
ARG
145
13
1_555
A
HIS
196
A
HIS
196
13
1_555
A
SER
197
A
SER
197
13
1_555
A
ILE
243
A
ILE
243
13
1_555
A
TYR
248
A
TYR
248
13
1_555
A
THR
268
A
THR
268
13
1_555
A
GLU
270
A
GLU
270
13
1_555
A
ZN
309
B
ZN
13
1_555
A
HOH
660
D
HOH
13
1_555
4
P 1 21 1