.018727
0.000000
0.000000
0.000000
.009980
0.000000
0.000000
0.000000
.020576
0.00000
0.00000
0.00000
Brunie, S.
Sigler, P.B.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
53.400
100.200
48.600
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
260
9742
9749
4019493
The refined crystal structure of dimeric phospholipase A2 at 2.5 A. Access to a shielded catalytic center.
1985
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
260
11627
A Comparison of the Crystal Structures of Phospholipase A2 from Bovine Pancreas and Crotalus Atrox Venom
1985
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
256
8602
The 2.5 Angstroms Crystal Structure of a Dimeric Phospholipase A2 from the Venom of Crotalus Atrox
1981
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
97
395
Characterization of Crystals of Two Venom Phospholipases A2
1975
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
13607.277
CALCIUM-FREE PHOSPHOLIPASE A2
3.1.1.4
2
man
polymer
18.015
water
137
nat
water
no
no
SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP
CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC
SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP
CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC
R,L
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
western diamondback rattlesnake
Crotalus
sample
8730
Crotalus atrox
2.39
48.48
repository
Initial release
Version format compliance
Version format compliance
1
0
1986-05-07
1
1
2008-03-03
1
2
2011-07-13
Y
1986-03-10
REL
HOH
water
HOH
503
2
HOH
HOH
503
R
HOH
507
2
HOH
HOH
507
R
HOH
508
2
HOH
HOH
508
R
HOH
510
2
HOH
HOH
510
R
HOH
511
2
HOH
HOH
511
R
HOH
512
2
HOH
HOH
512
R
HOH
513
2
HOH
HOH
513
R
HOH
514
2
HOH
HOH
514
R
HOH
516
2
HOH
HOH
516
R
HOH
517
2
HOH
HOH
517
R
HOH
518
2
HOH
HOH
518
R
HOH
519
2
HOH
HOH
519
R
HOH
524
2
HOH
HOH
524
R
HOH
525
2
HOH
HOH
525
R
HOH
526
2
HOH
HOH
526
R
HOH
527
2
HOH
HOH
527
R
HOH
529
2
HOH
HOH
529
R
HOH
530
2
HOH
HOH
530
R
HOH
531
2
HOH
HOH
531
R
HOH
532
2
HOH
HOH
532
R
HOH
533
2
HOH
HOH
533
R
HOH
534
2
HOH
HOH
534
R
HOH
536
2
HOH
HOH
536
R
HOH
537
2
HOH
HOH
537
R
HOH
538
2
HOH
HOH
538
R
HOH
539
2
HOH
HOH
539
R
HOH
540
2
HOH
HOH
540
R
HOH
541
2
HOH
HOH
541
R
HOH
544
2
HOH
HOH
544
R
HOH
549
2
HOH
HOH
549
R
HOH
556
2
HOH
HOH
556
R
HOH
558
2
HOH
HOH
558
R
HOH
562
2
HOH
HOH
562
R
HOH
563
2
HOH
HOH
563
R
HOH
564
2
HOH
HOH
564
R
HOH
566
2
HOH
HOH
566
R
HOH
569
2
HOH
HOH
569
R
HOH
573
2
HOH
HOH
573
R
HOH
574
2
HOH
HOH
574
R
HOH
576
2
HOH
HOH
576
R
HOH
577
2
HOH
HOH
577
R
HOH
582
2
HOH
HOH
582
R
HOH
583
2
HOH
HOH
583
R
HOH
584
2
HOH
HOH
584
R
HOH
586
2
HOH
HOH
586
R
HOH
587
2
HOH
HOH
587
R
HOH
588
2
HOH
HOH
588
R
HOH
589
2
HOH
HOH
589
R
HOH
590
2
HOH
HOH
590
R
HOH
591
2
HOH
HOH
591
R
HOH
593
2
HOH
HOH
593
R
HOH
594
2
HOH
HOH
594
R
HOH
596
2
HOH
HOH
596
R
HOH
597
2
HOH
HOH
597
R
HOH
598
2
HOH
HOH
598
R
HOH
600
2
HOH
HOH
600
R
HOH
603
2
HOH
HOH
603
R
HOH
607
2
HOH
HOH
607
R
HOH
620
2
HOH
HOH
620
R
HOH
621
2
HOH
HOH
621
R
HOH
624
2
HOH
HOH
624
R
HOH
627
2
HOH
HOH
627
R
HOH
636
2
HOH
HOH
636
R
HOH
501
2
HOH
HOH
501
L
HOH
502
2
HOH
HOH
502
L
HOH
504
2
HOH
HOH
504
L
HOH
505
2
HOH
HOH
505
L
HOH
506
2
HOH
HOH
506
L
HOH
509
2
HOH
HOH
509
L
HOH
515
2
HOH
HOH
515
L
HOH
520
2
HOH
HOH
520
L
HOH
521
2
HOH
HOH
521
L
HOH
522
2
HOH
HOH
522
L
HOH
523
2
HOH
HOH
523
L
HOH
528
2
HOH
HOH
528
L
HOH
535
2
HOH
HOH
535
L
HOH
542
2
HOH
HOH
542
L
HOH
543
2
HOH
HOH
543
L
HOH
545
2
HOH
HOH
545
L
HOH
546
2
HOH
HOH
546
L
HOH
547
2
HOH
HOH
547
L
HOH
548
2
HOH
HOH
548
L
HOH
550
2
HOH
HOH
550
L
HOH
551
2
HOH
HOH
551
L
HOH
552
2
HOH
HOH
552
L
HOH
553
2
HOH
HOH
553
L
HOH
554
2
HOH
HOH
554
L
HOH
555
2
HOH
HOH
555
L
HOH
557
2
HOH
HOH
557
L
HOH
559
2
HOH
HOH
559
L
HOH
560
2
HOH
HOH
560
L
HOH
561
2
HOH
HOH
561
L
HOH
565
2
HOH
HOH
565
L
HOH
567
2
HOH
HOH
567
L
HOH
568
2
HOH
HOH
568
L
HOH
570
2
HOH
HOH
570
L
HOH
571
2
HOH
HOH
571
L
HOH
572
2
HOH
HOH
572
L
HOH
575
2
HOH
HOH
575
L
HOH
578
2
HOH
HOH
578
L
HOH
579
2
HOH
HOH
579
L
HOH
580
2
HOH
HOH
580
L
HOH
581
2
HOH
HOH
581
L
HOH
585
2
HOH
HOH
585
L
HOH
592
2
HOH
HOH
592
L
HOH
595
2
HOH
HOH
595
L
HOH
599
2
HOH
HOH
599
L
HOH
601
2
HOH
HOH
601
L
HOH
602
2
HOH
HOH
602
L
HOH
604
2
HOH
HOH
604
L
HOH
605
2
HOH
HOH
605
L
HOH
606
2
HOH
HOH
606
L
HOH
608
2
HOH
HOH
608
L
HOH
609
2
HOH
HOH
609
L
HOH
610
2
HOH
HOH
610
L
HOH
611
2
HOH
HOH
611
L
HOH
612
2
HOH
HOH
612
L
HOH
613
2
HOH
HOH
613
L
HOH
614
2
HOH
HOH
614
L
HOH
615
2
HOH
HOH
615
L
HOH
616
2
HOH
HOH
616
L
HOH
617
2
HOH
HOH
617
L
HOH
618
2
HOH
HOH
618
L
HOH
619
2
HOH
HOH
619
L
HOH
622
2
HOH
HOH
622
L
HOH
623
2
HOH
HOH
623
L
HOH
625
2
HOH
HOH
625
L
HOH
626
2
HOH
HOH
626
L
HOH
628
2
HOH
HOH
628
L
HOH
629
2
HOH
HOH
629
L
HOH
630
2
HOH
HOH
630
L
HOH
631
2
HOH
HOH
631
L
HOH
632
2
HOH
HOH
632
L
HOH
633
2
HOH
HOH
633
L
HOH
634
2
HOH
HOH
634
L
HOH
635
2
HOH
HOH
635
L
HOH
637
2
HOH
HOH
637
L
SER
1
n
1
SER
1
R
LEU
2
n
2
LEU
2
R
VAL
3
n
3
VAL
3
R
GLN
4
n
4
GLN
4
R
PHE
5
n
5
PHE
5
R
GLU
6
n
6
GLU
6
R
THR
7
n
7
THR
7
R
LEU
8
n
8
LEU
8
R
ILE
9
n
9
ILE
9
R
MET
10
n
10
MET
10
R
LYS
11
n
11
LYS
11
R
ILE
12
n
12
ILE
12
R
ALA
13
n
13
ALA
13
R
GLY
14
n
14
GLY
14
R
ARG
16
n
15
ARG
16
R
SER
17
n
16
SER
17
R
GLY
18
n
17
GLY
18
R
LEU
19
n
18
LEU
19
R
LEU
20
n
19
LEU
20
R
TRP
21
n
20
TRP
21
R
TYR
22
n
21
TYR
22
R
SER
23
n
22
SER
23
R
ALA
24
n
23
ALA
24
R
TYR
25
n
24
TYR
25
R
GLY
26
n
25
GLY
26
R
CYS
27
n
26
CYS
27
R
TYR
28
n
27
TYR
28
R
CYS
29
n
28
CYS
29
R
GLY
30
n
29
GLY
30
R
TRP
31
n
30
TRP
31
R
GLY
32
n
31
GLY
32
R
GLY
33
n
32
GLY
33
R
HIS
34
n
33
HIS
34
R
GLY
35
n
34
GLY
35
R
LEU
36
n
35
LEU
36
R
PRO
37
n
36
PRO
37
R
GLN
38
n
37
GLN
38
R
ASP
39
n
38
ASP
39
R
ALA
40
n
39
ALA
40
R
THR
41
n
40
THR
41
R
ASP
42
n
41
ASP
42
R
ARG
43
n
42
ARG
43
R
CYS
44
n
43
CYS
44
R
CYS
45
n
44
CYS
45
R
PHE
46
n
45
PHE
46
R
VAL
47
n
46
VAL
47
R
HIS
48
n
47
HIS
48
R
ASP
49
n
48
ASP
49
R
CYS
50
n
49
CYS
50
R
CYS
51
n
50
CYS
51
R
TYR
52
n
51
TYR
52
R
GLY
53
n
52
GLY
53
R
LYS
54
n
53
LYS
54
R
ALA
55
n
54
ALA
55
R
THR
56
n
55
THR
56
R
ASP
59
n
56
ASP
59
R
CYS
61
n
57
CYS
61
R
ASN
67
n
58
ASN
67
R
PRO
68
n
59
PRO
68
R
LYS
69
n
60
LYS
69
R
THR
70
n
61
THR
70
R
VAL
71
n
62
VAL
71
R
SER
72
n
63
SER
72
R
TYR
73
n
64
TYR
73
R
THR
74
n
65
THR
74
R
TYR
75
n
66
TYR
75
R
SER
76
n
67
SER
76
R
GLU
77
n
68
GLU
77
R
GLU
78
n
69
GLU
78
R
ASN
79
n
70
ASN
79
R
GLY
80
n
71
GLY
80
R
GLU
81
n
72
GLU
81
R
ILE
82
n
73
ILE
82
R
ILE
83
n
74
ILE
83
R
CYS
84
n
75
CYS
84
R
GLY
85
n
76
GLY
85
R
GLY
86
n
77
GLY
86
R
ASP
88
n
78
ASP
88
R
ASP
89
n
79
ASP
89
R
PRO
90
n
80
PRO
90
R
CYS
91
n
81
CYS
91
R
GLY
92
n
82
GLY
92
R
THR
93
n
83
THR
93
R
GLN
94
n
84
GLN
94
R
ILE
95
n
85
ILE
95
R
CYS
96
n
86
CYS
96
R
GLU
97
n
87
GLU
97
R
CYS
98
n
88
CYS
98
R
ASP
99
n
89
ASP
99
R
LYS
100
n
90
LYS
100
R
ALA
101
n
91
ALA
101
R
ALA
102
n
92
ALA
102
R
ALA
103
n
93
ALA
103
R
ILE
104
n
94
ILE
104
R
CYS
105
n
95
CYS
105
R
PHE
106
n
96
PHE
106
R
ARG
107
n
97
ARG
107
R
ASP
108
n
98
ASP
108
R
ASN
109
n
99
ASN
109
R
ILE
110
n
100
ILE
110
R
PRO
111
n
101
PRO
111
R
SER
112
n
102
SER
112
R
TYR
113
n
103
TYR
113
R
ASP
114
n
104
ASP
114
R
ASN
115
n
105
ASN
115
R
LYS
116
n
106
LYS
116
R
TYR
117
n
107
TYR
117
R
TRP
118
n
108
TRP
118
R
LEU
119
n
109
LEU
119
R
PHE
120
n
110
PHE
120
R
PRO
121
n
111
PRO
121
R
PRO
122
n
112
PRO
122
R
LYS
124
n
113
LYS
124
R
ASP
125
n
114
ASP
125
R
CYS
126
n
115
CYS
126
R
ARG
127
n
116
ARG
127
R
GLU
128
n
117
GLU
128
R
GLU
129
n
118
GLU
129
R
PRO
130
n
119
PRO
130
R
GLU
131
n
120
GLU
131
R
PRO
132
n
121
PRO
132
R
CYS
133
n
122
CYS
133
R
SER
1
n
1
SER
1
L
LEU
2
n
2
LEU
2
L
VAL
3
n
3
VAL
3
L
GLN
4
n
4
GLN
4
L
PHE
5
n
5
PHE
5
L
GLU
6
n
6
GLU
6
L
THR
7
n
7
THR
7
L
LEU
8
n
8
LEU
8
L
ILE
9
n
9
ILE
9
L
MET
10
n
10
MET
10
L
LYS
11
n
11
LYS
11
L
ILE
12
n
12
ILE
12
L
ALA
13
n
13
ALA
13
L
GLY
14
n
14
GLY
14
L
ARG
16
n
15
ARG
16
L
SER
17
n
16
SER
17
L
GLY
18
n
17
GLY
18
L
LEU
19
n
18
LEU
19
L
LEU
20
n
19
LEU
20
L
TRP
21
n
20
TRP
21
L
TYR
22
n
21
TYR
22
L
SER
23
n
22
SER
23
L
ALA
24
n
23
ALA
24
L
TYR
25
n
24
TYR
25
L
GLY
26
n
25
GLY
26
L
CYS
27
n
26
CYS
27
L
TYR
28
n
27
TYR
28
L
CYS
29
n
28
CYS
29
L
GLY
30
n
29
GLY
30
L
TRP
31
n
30
TRP
31
L
GLY
32
n
31
GLY
32
L
GLY
33
n
32
GLY
33
L
HIS
34
n
33
HIS
34
L
GLY
35
n
34
GLY
35
L
LEU
36
n
35
LEU
36
L
PRO
37
n
36
PRO
37
L
GLN
38
n
37
GLN
38
L
ASP
39
n
38
ASP
39
L
ALA
40
n
39
ALA
40
L
THR
41
n
40
THR
41
L
ASP
42
n
41
ASP
42
L
ARG
43
n
42
ARG
43
L
CYS
44
n
43
CYS
44
L
CYS
45
n
44
CYS
45
L
PHE
46
n
45
PHE
46
L
VAL
47
n
46
VAL
47
L
HIS
48
n
47
HIS
48
L
ASP
49
n
48
ASP
49
L
CYS
50
n
49
CYS
50
L
CYS
51
n
50
CYS
51
L
TYR
52
n
51
TYR
52
L
GLY
53
n
52
GLY
53
L
LYS
54
n
53
LYS
54
L
ALA
55
n
54
ALA
55
L
THR
56
n
55
THR
56
L
ASP
59
n
56
ASP
59
L
CYS
61
n
57
CYS
61
L
ASN
67
n
58
ASN
67
L
PRO
68
n
59
PRO
68
L
LYS
69
n
60
LYS
69
L
THR
70
n
61
THR
70
L
VAL
71
n
62
VAL
71
L
SER
72
n
63
SER
72
L
TYR
73
n
64
TYR
73
L
THR
74
n
65
THR
74
L
TYR
75
n
66
TYR
75
L
SER
76
n
67
SER
76
L
GLU
77
n
68
GLU
77
L
GLU
78
n
69
GLU
78
L
ASN
79
n
70
ASN
79
L
GLY
80
n
71
GLY
80
L
GLU
81
n
72
GLU
81
L
ILE
82
n
73
ILE
82
L
ILE
83
n
74
ILE
83
L
CYS
84
n
75
CYS
84
L
GLY
85
n
76
GLY
85
L
GLY
86
n
77
GLY
86
L
ASP
88
n
78
ASP
88
L
ASP
89
n
79
ASP
89
L
PRO
90
n
80
PRO
90
L
CYS
91
n
81
CYS
91
L
GLY
92
n
82
GLY
92
L
THR
93
n
83
THR
93
L
GLN
94
n
84
GLN
94
L
ILE
95
n
85
ILE
95
L
CYS
96
n
86
CYS
96
L
GLU
97
n
87
GLU
97
L
CYS
98
n
88
CYS
98
L
ASP
99
n
89
ASP
99
L
LYS
100
n
90
LYS
100
L
ALA
101
n
91
ALA
101
L
ALA
102
n
92
ALA
102
L
ALA
103
n
93
ALA
103
L
ILE
104
n
94
ILE
104
L
CYS
105
n
95
CYS
105
L
PHE
106
n
96
PHE
106
L
ARG
107
n
97
ARG
107
L
ASP
108
n
98
ASP
108
L
ASN
109
n
99
ASN
109
L
ILE
110
n
100
ILE
110
L
PRO
111
n
101
PRO
111
L
SER
112
n
102
SER
112
L
TYR
113
n
103
TYR
113
L
ASP
114
n
104
ASP
114
L
ASN
115
n
105
ASN
115
L
LYS
116
n
106
LYS
116
L
TYR
117
n
107
TYR
117
L
TRP
118
n
108
TRP
118
L
LEU
119
n
109
LEU
119
L
PHE
120
n
110
PHE
120
L
PRO
121
n
111
PRO
121
L
PRO
122
n
112
PRO
122
L
LYS
124
n
113
LYS
124
L
ASP
125
n
114
ASP
125
L
CYS
126
n
115
CYS
126
L
ARG
127
n
116
ARG
127
L
GLU
128
n
117
GLU
128
L
GLU
129
n
118
GLU
129
L
PRO
130
n
119
PRO
130
L
GLU
131
n
120
GLU
131
L
PRO
132
n
121
PRO
132
L
CYS
133
n
122
CYS
133
L
author_and_software_defined_assembly
PISA
2
dimeric
2530
-18
11640
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
R
O
SER
76
A
O
SER
67
R
N
ILE
83
A
N
ILE
74
L
O
SER
76
B
O
SER
67
L
N
ILE
83
B
N
ILE
74
1
R
R
O
O
HOH
HOH
541
591
2.09
1
R
R
OD1
O
ASP
HOH
49
573
2.14
1
R
R
N
OE2
LEU
GLU
36
128
2.15
1
L
ARG
127
0.109
SIDE CHAIN
1
-13.85
1.20
123.30
109.45
R
R
R
OE1
CD
OE2
GLU
GLU
GLU
6
6
6
N
1
22.24
2.00
118.30
140.54
R
R
R
CG
CD
OE1
GLU
GLU
GLU
6
6
6
N
1
-10.98
1.60
122.70
111.72
R
R
R
O
C
N
LEU
LEU
ILE
8
8
9
Y
1
-13.20
1.80
110.60
97.40
R
R
R
N
CA
CB
MET
MET
MET
10
10
10
N
1
16.41
2.30
111.70
128.11
R
R
R
CD
CE
NZ
LYS
LYS
LYS
11
11
11
N
1
17.88
1.40
123.60
141.48
R
R
R
CD
NE
CZ
ARG
ARG
ARG
16
16
16
N
1
10.77
0.50
120.30
131.07
R
R
R
NE
CZ
NH1
ARG
ARG
ARG
16
16
16
N
1
-6.84
0.50
120.30
113.46
R
R
R
NE
CZ
NH2
ARG
ARG
ARG
16
16
16
N
1
12.57
1.90
110.20
122.77
R
R
R
CB
CA
C
LEU
LEU
LEU
20
20
20
N
1
20.01
2.30
115.30
135.31
R
R
R
CA
CB
CG
LEU
LEU
LEU
20
20
20
N
1
-9.12
1.40
110.10
100.98
R
R
R
N
CA
CB
ALA
ALA
ALA
24
24
24
N
1
-6.11
0.60
121.00
114.89
R
R
R
CB
CG
CD2
TYR
TYR
TYR
28
28
28
N
1
5.44
0.60
121.00
126.44
R
R
R
CB
CG
CD1
TYR
TYR
TYR
28
28
28
N
1
7.40
1.10
114.20
121.60
R
R
R
CA
CB
SG
CYS
CYS
CYS
29
29
29
N
1
6.18
0.70
109.00
115.18
R
R
R
CE1
NE2
CD2
HIS
HIS
HIS
34
34
34
N
1
-12.55
1.90
123.30
110.75
R
R
R
OD1
CG
OD2
ASP
ASP
ASP
42
42
42
N
1
12.88
0.90
118.30
131.18
R
R
R
CB
CG
OD2
ASP
ASP
ASP
42
42
42
N
1
-3.39
0.50
120.30
116.91
R
R
R
NE
CZ
NH1
ARG
ARG
ARG
43
43
43
N
1
-9.98
1.60
122.70
112.72
R
R
R
O
C
N
CYS
CYS
PHE
45
45
46
Y
1
11.27
1.60
122.70
133.97
R
R
R
O
C
N
PHE
PHE
VAL
46
46
47
Y
1
13.59
2.00
110.40
123.99
R
R
R
CB
CA
C
ASP
ASP
ASP
49
49
49
N
1
-13.50
1.80
110.60
97.10
R
R
R
N
CA
CB
ASP
ASP
ASP
49
49
49
N
1
17.59
1.90
123.30
140.89
R
R
R
OD1
CG
OD2
ASP
ASP
ASP
49
49
49
N
1
-20.90
0.90
118.30
97.40
R
R
R
CB
CG
OD1
ASP
ASP
ASP
49
49
49
N
1
-5.78
0.60
121.00
115.22
R
R
R
CB
CG
CD2
TYR
TYR
TYR
52
52
52
N
1
21.01
2.20
113.40
134.41
R
R
R
CA
CB
CG
LYS
LYS
LYS
54
54
54
N
1
19.65
2.60
111.60
131.25
R
R
R
CB
CG
CD
LYS
LYS
LYS
54
54
54
N
1
-12.98
2.10
120.10
107.12
R
R
R
CA
C
O
LYS
LYS
LYS
54
54
54
N
1
-16.80
1.50
110.10
93.30
R
R
R
CB
CA
C
ALA
ALA
ALA
55
55
55
N
1
11.75
1.40
110.10
121.85
R
R
R
N
CA
CB
ALA
ALA
ALA
55
55
55
N
1
9.21
1.40
112.40
121.61
R
R
R
CA
CB
CG2
THR
THR
THR
56
56
56
N
1
9.95
1.50
110.90
120.85
R
R
R
CA
CB
CG2
VAL
VAL
VAL
71
71
71
N
1
-12.59
1.50
110.50
97.91
R
R
R
N
CA
CB
SER
SER
SER
72
72
72
N
1
-12.44
1.80
110.60
98.16
R
R
R
N
CA
CB
ASN
ASN
ASN
79
79
79
N
1
8.05
1.20
123.30
131.35
R
R
R
OE1
CD
OE2
GLU
GLU
GLU
81
81
81
N
1
15.25
2.50
121.70
136.95
R
R
R
C
N
CA
GLU
ILE
ILE
81
82
82
Y
1
18.65
2.10
122.30
140.95
R
R
R
C
N
CA
GLY
GLY
GLY
85
86
86
Y
1
6.70
0.90
118.30
125.00
R
R
R
CB
CG
OD1
ASP
ASP
ASP
89
89
89
N
1
-14.68
1.20
123.30
108.62
R
R
R
OE1
CD
OE2
GLU
GLU
GLU
97
97
97
N
1
8.99
1.40
110.10
119.09
R
R
R
N
CA
CB
ALA
ALA
ALA
102
102
102
N
1
8.26
1.10
114.20
122.46
R
R
R
CA
CB
SG
CYS
CYS
CYS
105
105
105
N
1
-3.87
0.50
120.30
116.43
R
R
R
NE
CZ
NH1
ARG
ARG
ARG
107
107
107
N
1
20.80
0.90
118.30
139.10
R
R
R
CB
CG
OD1
ASP
ASP
ASP
108
108
108
N
1
-13.64
0.90
118.30
104.66
R
R
R
CB
CG
OD2
ASP
ASP
ASP
108
108
108
N
1
-13.35
2.10
120.10
106.75
R
R
R
CA
C
O
ASP
ASP
ASP
108
108
108
N
1
14.59
2.20
117.20
131.79
R
R
R
CA
C
N
ASP
ASP
ASN
108
108
109
Y
1
18.71
2.50
121.70
140.41
R
R
R
C
N
CA
ASP
ASN
ASN
108
109
109
Y
1
9.89
1.60
122.70
132.59
R
R
R
O
C
N
ASN
ASN
ILE
109
109
110
Y
1
7.46
0.90
118.30
125.76
R
R
R
CB
CG
OD2
ASP
ASP
ASP
114
114
114
N
1
19.58
3.00
111.90
131.48
R
R
R
CG
CD
CE
LYS
LYS
LYS
116
116
116
N
1
7.00
0.60
121.00
128.00
R
R
R
CB
CG
CD1
TYR
TYR
TYR
117
117
117
N
1
6.17
0.80
121.30
127.47
R
R
R
CG
CD1
CE1
TYR
TYR
TYR
117
117
117
N
1
-5.74
0.90
119.80
114.06
R
R
R
CD1
CE1
CZ
TYR
TYR
TYR
117
117
117
N
1
15.12
1.90
110.20
125.32
R
R
R
CB
CA
C
LEU
LEU
LEU
119
119
119
N
1
17.36
2.30
115.30
132.66
R
R
R
CA
CB
CG
LEU
LEU
LEU
119
119
119
N
1
15.67
2.50
121.70
137.37
R
R
R
C
N
CA
LEU
PHE
PHE
119
120
120
Y
1
19.59
2.20
113.40
132.99
R
R
R
CA
CB
CG
LYS
LYS
LYS
124
124
124
N
1
25.71
2.60
111.60
137.31
R
R
R
CB
CG
CD
LYS
LYS
LYS
124
124
124
N
1
23.01
2.20
113.40
136.41
R
R
R
CA
CB
CG
ASP
ASP
ASP
125
125
125
N
1
-13.46
1.90
123.30
109.84
R
R
R
OD1
CG
OD2
ASP
ASP
ASP
125
125
125
N
1
9.32
0.90
118.30
127.62
R
R
R
CB
CG
OD1
ASP
ASP
ASP
125
125
125
N
1
12.45
0.50
120.30
132.75
R
R
R
NE
CZ
NH1
ARG
ARG
ARG
127
127
127
N
1
-6.71
0.50
120.30
113.59
R
R
R
NE
CZ
NH2
ARG
ARG
ARG
127
127
127
N
1
12.77
2.00
110.40
123.17
R
R
R
CB
CA
C
GLU
GLU
GLU
128
128
128
N
1
-22.97
1.20
123.30
100.33
R
R
R
OE1
CD
OE2
GLU
GLU
GLU
128
128
128
N
1
27.84
2.00
118.30
146.14
R
R
R
CG
CD
OE1
GLU
GLU
GLU
128
128
128
N
1
-12.83
1.60
122.70
109.87
R
R
R
O
C
N
GLU
GLU
GLU
128
128
129
Y
1
13.80
2.00
118.30
132.10
R
R
R
CG
CD
OE1
GLU
GLU
GLU
129
129
129
N
1
-17.24
2.00
118.30
101.06
R
R
R
CG
CD
OE2
GLU
GLU
GLU
129
129
129
N
1
15.14
2.20
113.40
128.54
R
R
R
CA
CB
CG
GLU
GLU
GLU
131
131
131
N
1
-12.97
1.90
110.10
97.13
L
L
L
CB
CA
C
SER
SER
SER
1
1
1
N
1
-12.62
1.50
110.50
97.88
L
L
L
N
CA
CB
SER
SER
SER
1
1
1
N
1
-13.56
1.90
111.40
97.84
L
L
L
CB
CA
C
VAL
VAL
VAL
3
3
3
N
1
-10.06
1.60
110.90
100.84
L
L
L
CG1
CB
CG2
VAL
VAL
VAL
3
3
3
N
1
11.85
1.50
110.90
122.75
L
L
L
CA
CB
CG2
VAL
VAL
VAL
3
3
3
N
1
-16.79
2.30
121.90
105.11
L
L
L
OE1
CD
NE2
GLN
GLN
GLN
4
4
4
N
1
-10.62
1.60
122.70
112.08
L
L
L
O
C
N
GLN
GLN
PHE
4
4
5
Y
1
-8.50
1.20
123.30
114.80
L
L
L
OE1
CD
OE2
GLU
GLU
GLU
6
6
6
N
1
-13.48
2.10
120.10
106.62
L
L
L
CA
C
O
THR
THR
THR
7
7
7
N
1
17.68
2.30
115.30
132.98
L
L
L
CA
CB
CG
LEU
LEU
LEU
8
8
8
N
1
20.95
2.60
111.60
132.55
L
L
L
CB
CG
CD
LYS
LYS
LYS
11
11
11
N
1
11.70
1.80
110.60
122.30
L
L
L
N
CA
CB
ARG
ARG
ARG
16
16
16
N
1
23.98
2.10
111.80
135.78
L
L
L
CG
CD
NE
ARG
ARG
ARG
16
16
16
N
1
-9.74
1.40
123.60
113.86
L
L
L
CD
NE
CZ
ARG
ARG
ARG
16
16
16
N
1
-13.91
1.10
119.40
105.49
L
L
L
NH1
CZ
NH2
ARG
ARG
ARG
16
16
16
N
1
14.45
0.50
120.30
134.75
L
L
L
NE
CZ
NH2
ARG
ARG
ARG
16
16
16
N
1
11.10
1.60
122.70
133.80
L
L
L
O
C
N
ARG
ARG
SER
16
16
17
Y
1
21.70
2.70
111.20
132.90
L
L
L
CA
CB
OG
SER
SER
SER
17
17
17
N
1
-4.65
0.60
121.00
116.35
L
L
L
CB
CG
CD2
TYR
TYR
TYR
22
22
22
N
1
5.35
0.60
121.00
126.35
L
L
L
CB
CG
CD1
TYR
TYR
TYR
25
25
25
N
1
15.05
2.00
116.20
131.25
L
L
L
CA
C
N
CYS
CYS
GLY
29
29
30
Y
1
13.26
1.40
123.60
136.86
L
L
L
CD
NE
CZ
ARG
ARG
ARG
43
43
43
N
1
-13.63
1.10
119.40
105.77
L
L
L
NH1
CZ
NH2
ARG
ARG
ARG
43
43
43
N
1
17.85
0.50
120.30
138.15
L
L
L
NE
CZ
NH1
ARG
ARG
ARG
43
43
43
N
1
-5.20
0.50
120.30
115.10
L
L
L
NE
CZ
NH2
ARG
ARG
ARG
43
43
43
N
1
-11.25
1.60
122.70
111.45
L
L
L
O
C
N
ARG
ARG
CYS
43
43
44
Y
1
15.83
2.20
111.50
127.33
L
L
L
N
CA
CB
VAL
VAL
VAL
47
47
47
N
1
12.82
1.50
110.90
123.72
L
L
L
CA
CB
CG1
VAL
VAL
VAL
47
47
47
N
1
14.85
1.90
123.30
138.15
L
L
L
OD1
CG
OD2
ASP
ASP
ASP
49
49
49
N
1
-9.57
0.90
118.30
108.73
L
L
L
CB
CG
OD1
ASP
ASP
ASP
49
49
49
N
1
9.94
1.10
114.20
124.14
L
L
L
CA
CB
SG
CYS
CYS
CYS
51
51
51
N
1
8.58
1.40
110.10
118.68
L
L
L
N
CA
CB
ALA
ALA
ALA
55
55
55
N
1
11.41
1.40
112.40
123.81
L
L
L
CA
CB
CG2
THR
THR
THR
56
56
56
N
1
14.71
1.60
122.70
137.41
L
L
L
O
C
N
CYS
CYS
ASN
61
61
67
Y
1
17.25
2.20
113.40
130.65
L
L
L
CA
CB
CG
LYS
LYS
LYS
69
69
69
N
1
-13.18
2.10
120.10
106.92
L
L
L
CA
C
O
GLU
GLU
GLU
77
77
77
N
1
18.38
2.50
121.70
140.08
L
L
L
C
N
CA
GLU
ASN
ASN
78
79
79
Y
1
18.63
0.90
118.30
136.93
L
L
L
CB
CG
OD1
ASP
ASP
ASP
88
88
88
N
1
-11.50
0.90
118.30
106.80
L
L
L
CB
CG
OD2
ASP
ASP
ASP
88
88
88
N
1
-12.52
1.90
123.30
110.78
L
L
L
OD1
CG
OD2
ASP
ASP
ASP
89
89
89
N
1
14.28
0.90
118.30
132.58
L
L
L
CB
CG
OD1
ASP
ASP
ASP
89
89
89
N
1
22.42
2.60
111.60
134.02
L
L
L
CB
CG
CD
GLN
GLN
GLN
94
94
94
N
1
14.93
2.40
116.70
131.63
L
L
L
CG
CD
NE2
GLN
GLN
GLN
94
94
94
N
1
10.05
1.10
114.20
124.25
L
L
L
CA
CB
SG
CYS
CYS
CYS
96
96
96
N
1
26.44
2.20
113.40
139.84
L
L
L
CA
CB
CG
GLU
GLU
GLU
97
97
97
N
1
-9.61
1.60
122.70
113.09
L
L
L
O
C
N
GLU
GLU
CYS
97
97
98
Y
1
17.22
1.10
114.20
131.42
L
L
L
CA
CB
SG
CYS
CYS
CYS
98
98
98
N
1
9.02
0.90
118.30
127.32
L
L
L
CB
CG
OD1
ASP
ASP
ASP
99
99
99
N
1
-9.41
0.90
118.30
108.89
L
L
L
CB
CG
OD2
ASP
ASP
ASP
99
99
99
N
1
-9.75
1.50
110.10
100.35
L
L
L
CB
CA
C
ALA
ALA
ALA
101
101
101
N
1
9.68
1.50
110.10
119.78
L
L
L
CB
CA
C
ALA
ALA
ALA
103
103
103
N
1
9.12
1.50
110.80
119.92
L
L
L
N
CA
CB
CYS
CYS
CYS
105
105
105
N
1
-3.10
0.50
120.30
117.20
L
L
L
NE
CZ
NH1
ARG
ARG
ARG
107
107
107
N
1
9.35
0.90
118.30
127.65
L
L
L
CB
CG
OD1
ASP
ASP
ASP
108
108
108
N
1
-12.53
0.90
118.30
105.77
L
L
L
CB
CG
OD2
ASP
ASP
ASP
108
108
108
N
1
11.60
1.90
113.40
125.00
L
L
L
CA
CB
CG
TYR
TYR
TYR
113
113
113
N
1
5.96
0.80
121.30
127.26
L
L
L
CG
CD1
CE1
TYR
TYR
TYR
113
113
113
N
1
-7.00
0.90
118.30
111.30
L
L
L
CB
CG
OD1
ASP
ASP
ASP
114
114
114
N
1
13.59
0.90
118.30
131.89
L
L
L
CB
CG
OD2
ASP
ASP
ASP
114
114
114
N
1
12.10
2.00
110.40
122.50
L
L
L
CB
CA
C
LYS
LYS
LYS
116
116
116
N
1
14.75
2.20
113.40
128.15
L
L
L
CA
CB
CG
LYS
LYS
LYS
116
116
116
N
1
5.59
0.60
121.00
126.59
L
L
L
CB
CG
CD1
TYR
TYR
TYR
117
117
117
N
1
14.30
2.30
115.30
129.60
L
L
L
CA
CB
CG
LEU
LEU
LEU
119
119
119
N
1
-12.20
1.60
122.70
110.50
L
L
L
O
C
N
LEU
LEU
PHE
119
119
120
Y
1
9.74
1.50
119.30
129.04
L
L
L
C
N
CA
PRO
PRO
PRO
121
122
122
Y
1
-22.03
2.30
111.70
89.67
L
L
L
CD
CE
NZ
LYS
LYS
LYS
124
124
124
N
1
5.97
0.90
118.30
124.27
L
L
L
CB
CG
OD2
ASP
ASP
ASP
125
125
125
N
1
-17.93
2.60
111.60
93.67
L
L
L
CB
CG
CD
ARG
ARG
ARG
127
127
127
N
1
-7.67
0.50
120.30
112.63
L
L
L
NE
CZ
NH2
ARG
ARG
ARG
127
127
127
N
1
9.62
1.20
123.30
132.92
L
L
L
OE1
CD
OE2
GLU
GLU
GLU
128
128
128
N
1
29.07
2.20
113.40
142.47
L
L
L
CA
CB
CG
GLU
GLU
GLU
129
129
129
N
1
-17.79
2.70
114.20
96.41
L
L
L
CB
CG
CD
GLU
GLU
GLU
129
129
129
N
1
R
R
CB
OG
SER
SER
1
1
-0.097
0.013
1.418
1.321
N
1
R
R
CD
OE1
GLU
GLU
6
6
-0.069
0.011
1.252
1.183
N
1
R
R
CZ
NH2
ARG
ARG
43
43
0.081
0.013
1.326
1.407
N
1
L
L
CB
OG
SER
SER
1
1
-0.083
0.013
1.418
1.335
N
1
L
L
CD
OE1
GLU
GLU
6
6
-0.074
0.011
1.252
1.178
N
1
R
ASN
79
71.68
55.27
1
R
LEU
119
71.65
50.29
1
R
LYS
124
-69.67
1.62
1
L
ASP
39
-171.19
-165.61
1
L
ASN
79
76.50
60.67
0.178
2.5
1
2.5
137
2029
0
0
1892
0.028
4.0
refinement
PROLSQ
CALCIUM-FREE PHOSPHOLIPASE A2 (E.C.3.1.1.4)
THE REFINED CRYSTAL STRUCTURE OF DIMERIC PHOSPHOLIPASE A2 AT 2.5 ANGSTROMS. ACCESS TO A SHIELDED CATALYTIC CENTER
1
N
N
1
N
N
2
N
N
2
N
N
THE ENZYME IS A DIMER COMPOSED OF TWO IDENTICAL SUBUNITS
OF 122 RESIDUES EACH. THE *RIGHT* SUBUNIT HAS BEEN
ASSIGNED CHAIN IDENTIFIER *R*. THE *LEFT* SUBUNIT HAS BEEN
ASSIGNED CHAIN IDENTIFIER *L*.
THE TRANSFORMATION PRESENTED ON THE *MTRIX* RECORDS BELOW
WILL YIELD APPROXIMATE COORDINATES FOR THE *RIGHT* SUBUNIT
(CHAIN *R*) WHEN APPLIED TO THE *LEFT* SUBUNIT (CHAIN *L*).
R
SER
1
A
SER
1
HELX_P
R
ILE
12
A
ILE
12
1
AR
12
R
LEU
19
A
LEU
18
HELX_P
R
TYR
22
A
TYR
21
1
BR
4
R
THR
41
A
THR
40
HELX_P
R
LYS
54
A
LYS
53
1
CR
14
R
PRO
90
A
PRO
80
HELX_P
R
ASN
109
A
ASN
99
1
DR
20
L
SER
1
B
SER
1
HELX_P
L
ILE
12
B
ILE
12
1
AL
12
L
LEU
19
B
LEU
18
HELX_P
L
TYR
22
B
TYR
21
1
BL
4
L
THR
41
B
THR
40
HELX_P
L
LYS
54
B
LYS
53
1
CL
14
L
PRO
90
B
PRO
80
HELX_P
L
ASN
109
B
ASN
99
1
DL
20
disulf
1.985
R
CYS
27
A
SG
CYS
26
1_555
R
CYS
126
A
SG
CYS
115
1_555
disulf
1.981
R
CYS
29
A
SG
CYS
28
1_555
R
CYS
45
A
SG
CYS
44
1_555
disulf
1.908
R
CYS
44
A
SG
CYS
43
1_555
R
CYS
105
A
SG
CYS
95
1_555
disulf
1.937
R
CYS
50
A
SG
CYS
49
1_555
R
CYS
133
A
SG
CYS
122
1_555
disulf
1.967
R
CYS
51
A
SG
CYS
50
1_555
R
CYS
98
A
SG
CYS
88
1_555
disulf
1.933
R
CYS
61
A
SG
CYS
57
1_555
R
CYS
91
A
SG
CYS
81
1_555
disulf
1.892
R
CYS
84
A
SG
CYS
75
1_555
R
CYS
96
A
SG
CYS
86
1_555
disulf
2.212
L
CYS
27
B
SG
CYS
26
1_555
L
CYS
126
B
SG
CYS
115
1_555
disulf
1.968
L
CYS
29
B
SG
CYS
28
1_555
L
CYS
45
B
SG
CYS
44
1_555
disulf
1.888
L
CYS
44
B
SG
CYS
43
1_555
L
CYS
105
B
SG
CYS
95
1_555
disulf
2.020
L
CYS
50
B
SG
CYS
49
1_555
L
CYS
133
B
SG
CYS
122
1_555
disulf
2.039
L
CYS
51
B
SG
CYS
50
1_555
L
CYS
98
B
SG
CYS
88
1_555
disulf
2.037
L
CYS
61
B
SG
CYS
57
1_555
L
CYS
91
B
SG
CYS
81
1_555
disulf
2.197
L
CYS
84
B
SG
CYS
75
1_555
L
CYS
96
B
SG
CYS
86
1_555
HYDROLASE
HYDROLASE
given
-.127250
.102900
-.986520
.097930
-.988440
-.115730
-.987020
-.111340
.115700
61.65457
79.66322
62.94765
PA2_CROAT
UNP
1
1
P00624
SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP
CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC
1
122
1PP2
1
133
P00624
R
1
1
122
1
122
1PP2
1
133
P00624
L
1
1
122
2
2
anti-parallel
anti-parallel
R
THR
74
A
THR
65
R
GLU
77
A
GLU
68
R
ILE
82
A
ILE
73
R
GLY
85
A
GLY
76
L
THR
74
B
THR
65
L
GLU
77
B
GLU
68
L
ILE
82
B
ILE
73
L
GLY
85
B
GLY
76
RESIDUES FORMING THE CATALYTIC NETWORK
Author
4
RESIDUES FORMING THE ACTIVATION NETWORK
Author
4
RESIDUES FORMING THE CA2+ BINDING SITE DEDUCED FROM BOVINE STRUCTURE
Author
4
RESIDUES FORMING THE CATALYTIC NETWORK
Author
4
RESIDUES FORMING THE ACTIVATION NETWORK
Author
4
RESIDUES FORMING THE CA2+ BINDING SITE DEDUCED FROM BOVINE STRUCTURE
Author
4
R
HIS
48
A
HIS
47
4
1_555
R
TYR
52
A
TYR
51
4
1_555
R
TYR
73
A
TYR
64
4
1_555
R
ASP
99
A
ASP
89
4
1_555
R
SER
1
A
SER
1
4
1_555
R
GLN
4
A
GLN
4
4
1_555
R
VAL
71
A
VAL
62
4
1_555
R
TYR
73
A
TYR
64
4
1_555
R
TYR
28
A
TYR
27
4
1_555
R
GLY
30
A
GLY
29
4
1_555
R
GLY
32
A
GLY
31
4
1_555
R
ASP
49
A
ASP
48
4
1_555
L
HIS
48
B
HIS
47
4
1_555
L
TYR
52
B
TYR
51
4
1_555
L
TYR
73
B
TYR
64
4
1_555
L
ASP
99
B
ASP
89
4
1_555
L
SER
1
B
SER
1
4
1_555
L
GLN
4
B
GLN
4
4
1_555
L
VAL
71
B
VAL
62
4
1_555
L
TYR
73
B
TYR
64
4
1_555
L
TYR
28
B
TYR
27
4
1_555
L
GLY
30
B
GLY
29
4
1_555
L
GLY
32
B
GLY
31
4
1_555
L
ASP
49
B
ASP
48
4
1_555
19
P 21 21 21