0.013371
0.007720
0.000000
0.000000
0.015439
0.000000
0.000000
0.000000
0.011250
0.00000
0.00000
0.00000
Edwards, S.H.
Thompson, D.
Baker, S.F.
Wood, S.P.
Wilton, D.C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
74.790
74.790
88.891
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
Ca 2
40.078
CALCIUM ION
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
41
15468
15476
10.1021/bi020485z
12501175
The crystal structure of the H48Q active site mutant of human group IIA secreted phospholipase A2 at 1.5 A resolution provides an insight into the catalytic mechanism
2002
10.2210/pdb1n29/pdb
pdb_00001n29
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
IMAGE PLATE
2000-03-21
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS
13901.986
Phospholipase A2, membrane associated
3.1.1.4
N1A
1
man
polymer
40.078
CALCIUM ION
2
syn
non-polymer
18.015
water
25
nat
water
Phosphatidylcholine 2-acylhydrolase, Group IIA phospholipase A2, GIIC sPLA2, Non-pancreatic secretory phospholipase A2, NPS-PLA2
no
no
ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTHDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTHDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
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
human
Homo
Escherichia
Escherichia coli
sample
9606
Homo sapiens
469008
Escherichia coli BL21(DE3)
BL21 DE3
Plasmid
pET11a
1
2.58
52.34
VAPOR DIFFUSION, HANGING DROP
7.5
NaCl, CaCl2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
1
0
2003-10-28
1
1
2008-04-28
1
2
2011-07-13
1
3
2021-10-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_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
Crystal structure of the H48Q mutant of human group IIA phospholipase A2
RCSB
Y
RCSB
2002-10-22
REL
CA
CALCIUM ION
HOH
water
CA2
1
2
CA
CA
125
A
CA2
2
2
CA
CA
126
A
HOH
2
3
HOH
HOH
127
A
HOH
7
3
HOH
HOH
128
A
HOH
11
3
HOH
HOH
129
A
HOH
27
3
HOH
HOH
130
A
HOH
90
3
HOH
HOH
131
A
HOH
152
3
HOH
HOH
132
A
HOH
178
3
HOH
HOH
133
A
HOH
215
3
HOH
HOH
134
A
HOH
227
3
HOH
HOH
135
A
HOH
292
3
HOH
HOH
136
A
HOH
294
3
HOH
HOH
137
A
HOH
305
3
HOH
HOH
138
A
HOH
334
3
HOH
HOH
139
A
HOH
340
3
HOH
HOH
140
A
HOH
368
3
HOH
HOH
141
A
HOH
369
3
HOH
HOH
142
A
HOH
373
3
HOH
HOH
143
A
HOH
374
3
HOH
HOH
144
A
HOH
375
3
HOH
HOH
145
A
HOH
377
3
HOH
HOH
146
A
HOH
380
3
HOH
HOH
147
A
HOH
384
3
HOH
HOH
148
A
HOH
386
3
HOH
HOH
149
A
HOH
390
3
HOH
HOH
150
A
HOH
392
3
HOH
HOH
151
A
ALA
1
n
1
ALA
1
A
LEU
2
n
2
LEU
2
A
VAL
3
n
3
VAL
3
A
ASN
4
n
4
ASN
4
A
PHE
5
n
5
PHE
5
A
HIS
6
n
6
HIS
6
A
ARG
7
n
7
ARG
7
A
MET
8
n
8
MET
8
A
ILE
9
n
9
ILE
9
A
LYS
10
n
10
LYS
10
A
LEU
11
n
11
LEU
11
A
THR
12
n
12
THR
12
A
THR
13
n
13
THR
13
A
GLY
14
n
14
GLY
14
A
LYS
15
n
15
LYS
15
A
GLU
16
n
16
GLU
16
A
ALA
17
n
17
ALA
17
A
ALA
18
n
18
ALA
18
A
LEU
19
n
19
LEU
19
A
SER
20
n
20
SER
20
A
TYR
21
n
21
TYR
21
A
GLY
22
n
22
GLY
22
A
PHE
23
n
23
PHE
23
A
TYR
24
n
24
TYR
24
A
GLY
25
n
25
GLY
25
A
CYS
26
n
26
CYS
26
A
HIS
27
n
27
HIS
27
A
CYS
28
n
28
CYS
28
A
GLY
29
n
29
GLY
29
A
VAL
30
n
30
VAL
30
A
GLY
31
n
31
GLY
31
A
GLY
32
n
32
GLY
32
A
ARG
33
n
33
ARG
33
A
GLY
34
n
34
GLY
34
A
SER
35
n
35
SER
35
A
PRO
36
n
36
PRO
36
A
LYS
37
n
37
LYS
37
A
ASP
38
n
38
ASP
38
A
ALA
39
n
39
ALA
39
A
THR
40
n
40
THR
40
A
ASP
41
n
41
ASP
41
A
ARG
42
n
42
ARG
42
A
CYS
43
n
43
CYS
43
A
CYS
44
n
44
CYS
44
A
VAL
45
n
45
VAL
45
A
THR
46
n
46
THR
46
A
HIS
47
n
47
HIS
47
A
ASP
48
n
48
ASP
48
A
CYS
49
n
49
CYS
49
A
CYS
50
n
50
CYS
50
A
TYR
51
n
51
TYR
51
A
LYS
52
n
52
LYS
52
A
ARG
53
n
53
ARG
53
A
LEU
54
n
54
LEU
54
A
GLU
55
n
55
GLU
55
A
LYS
56
n
56
LYS
56
A
ARG
57
n
57
ARG
57
A
GLY
58
n
58
GLY
58
A
CYS
59
n
59
CYS
59
A
GLY
60
n
60
GLY
60
A
THR
61
n
61
THR
61
A
LYS
62
n
62
LYS
62
A
PHE
63
n
63
PHE
63
A
LEU
64
n
64
LEU
64
A
SER
65
n
65
SER
65
A
TYR
66
n
66
TYR
66
A
LYS
67
n
67
LYS
67
A
PHE
68
n
68
PHE
68
A
SER
69
n
69
SER
69
A
ASN
70
n
70
ASN
70
A
SER
71
n
71
SER
71
A
GLY
72
n
72
GLY
72
A
SER
73
n
73
SER
73
A
ARG
74
n
74
ARG
74
A
ILE
75
n
75
ILE
75
A
THR
76
n
76
THR
76
A
CYS
77
n
77
CYS
77
A
ALA
78
n
78
ALA
78
A
LYS
79
n
79
LYS
79
A
GLN
80
n
80
GLN
80
A
ASP
81
n
81
ASP
81
A
SER
82
n
82
SER
82
A
CYS
83
n
83
CYS
83
A
ARG
84
n
84
ARG
84
A
SER
85
n
85
SER
85
A
GLN
86
n
86
GLN
86
A
LEU
87
n
87
LEU
87
A
CYS
88
n
88
CYS
88
A
GLU
89
n
89
GLU
89
A
CYS
90
n
90
CYS
90
A
ASP
91
n
91
ASP
91
A
LYS
92
n
92
LYS
92
A
ALA
93
n
93
ALA
93
A
ALA
94
n
94
ALA
94
A
ALA
95
n
95
ALA
95
A
THR
96
n
96
THR
96
A
CYS
97
n
97
CYS
97
A
PHE
98
n
98
PHE
98
A
ALA
99
n
99
ALA
99
A
ARG
100
n
100
ARG
100
A
ASN
101
n
101
ASN
101
A
LYS
102
n
102
LYS
102
A
THR
103
n
103
THR
103
A
THR
104
n
104
THR
104
A
TYR
105
n
105
TYR
105
A
ASN
106
n
106
ASN
106
A
LYS
107
n
107
LYS
107
A
LYS
108
n
108
LYS
108
A
TYR
109
n
109
TYR
109
A
GLN
110
n
110
GLN
110
A
TYR
111
n
111
TYR
111
A
TYR
112
n
112
TYR
112
A
SER
113
n
113
SER
113
A
ASN
114
n
114
ASN
114
A
LYS
115
n
115
LYS
115
A
HIS
116
n
116
HIS
116
A
CYS
117
n
117
CYS
117
A
ARG
118
n
118
ARG
118
A
GLY
119
n
119
GLY
119
A
SER
120
n
120
SER
120
A
THR
121
n
121
THR
121
A
PRO
122
n
122
PRO
122
A
ARG
123
n
123
ARG
123
A
CYS
124
n
124
CYS
124
A
author_defined_assembly
1
monomeric
A
PHE
23
A
O
PHE
23
1_555
A
CA
126
C
CA
CA
1_555
A
GLY
25
A
O
GLY
25
1_555
90.6
A
PHE
23
A
O
PHE
23
1_555
A
CA
126
C
CA
CA
1_555
A
TYR
112
A
O
TYR
112
1_555
93.0
A
GLY
25
A
O
GLY
25
1_555
A
CA
126
C
CA
CA
1_555
A
TYR
112
A
O
TYR
112
1_555
90.2
A
PHE
23
A
O
PHE
23
1_555
A
CA
126
C
CA
CA
1_555
A
ASN
114
A
ND2
ASN
114
1_555
169.5
A
GLY
25
A
O
GLY
25
1_555
A
CA
126
C
CA
CA
1_555
A
ASN
114
A
ND2
ASN
114
1_555
84.4
A
TYR
112
A
O
TYR
112
1_555
A
CA
126
C
CA
CA
1_555
A
ASN
114
A
ND2
ASN
114
1_555
96.3
A
HIS
27
A
O
HIS
27
1_555
A
CA
125
B
CA
CA
1_555
A
GLY
29
A
O
GLY
29
1_555
90.3
A
HIS
27
A
O
HIS
27
1_555
A
CA
125
B
CA
CA
1_555
A
GLY
31
A
O
GLY
31
1_555
85.8
A
GLY
29
A
O
GLY
29
1_555
A
CA
125
B
CA
CA
1_555
A
GLY
31
A
O
GLY
31
1_555
86.1
A
HIS
27
A
O
HIS
27
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD1
ASP
48
1_555
100.7
A
GLY
29
A
O
GLY
29
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD1
ASP
48
1_555
120.0
A
GLY
31
A
O
GLY
31
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD1
ASP
48
1_555
152.7
A
HIS
27
A
O
HIS
27
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD2
ASP
48
1_555
94.5
A
GLY
29
A
O
GLY
29
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD2
ASP
48
1_555
170.3
A
GLY
31
A
O
GLY
31
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD2
ASP
48
1_555
102.6
A
ASP
48
A
OD1
ASP
48
1_555
A
CA
125
B
CA
CA
1_555
A
ASP
48
A
OD2
ASP
48
1_555
50.8
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
SER
69
A
N
SER
69
A
O
THR
76
A
O
THR
76
1
A
ARG
100
A
ARG
100
1
A
LYS
10
A
LYS
10
0
Y
1
A
ARG
33
A
ARG
33
0
Y
1
A
LYS
52
A
LYS
52
0
Y
1
A
ARG
57
A
ARG
57
0
Y
1
A
ARG
74
A
ARG
74
0
Y
1
A
LYS
79
A
LYS
79
0
Y
1
A
ARG
100
A
ARG
100
0
Y
1
A
A
O
NH2
SER
ARG
71
74
1.03
1
A
A
NH1
NE2
ARG
GLN
57
86
1.32
1
A
A
CZ
NE2
ARG
GLN
57
86
2.03
1
A
A
NH1
CD
ARG
GLN
57
86
2.16
1
A
A
C
NH2
SER
ARG
71
74
2.16
1
A
GLU
55
-14.38
1
A
SER
82
-11.85
1
A
TYR
105
-10.87
1
A
ARG
33
0.231
SIDE CHAIN
1
A
ARG
74
0.314
SIDE CHAIN
1
A
ARG
100
0.175
SIDE CHAIN
1
A
A
C
N
GLU
ALA
16
17
1.70
1
A
A
C
N
CYS
CYS
43
44
1.60
1
-20.12
2.00
110.40
90.28
A
A
A
CB
CA
C
LYS
LYS
LYS
10
10
10
N
1
24.59
1.80
110.60
135.19
A
A
A
N
CA
CB
LYS
LYS
LYS
10
10
10
N
1
40.36
2.20
113.40
153.76
A
A
A
CA
CB
CG
LYS
LYS
LYS
10
10
10
N
1
30.66
2.60
111.60
142.26
A
A
A
CB
CG
CD
LYS
LYS
LYS
10
10
10
N
1
-16.11
2.30
111.70
95.59
A
A
A
CD
CE
NZ
LYS
LYS
LYS
10
10
10
N
1
-9.91
1.60
122.70
112.79
A
A
A
O
C
N
GLY
GLY
LYS
14
14
15
Y
1
15.44
2.20
117.20
132.64
A
A
A
CA
C
N
ALA
ALA
ALA
17
17
18
Y
1
-17.81
1.60
122.70
104.89
A
A
A
O
C
N
ALA
ALA
ALA
17
17
18
Y
1
16.23
1.60
122.70
138.93
A
A
A
O
C
N
PHE
PHE
TYR
23
23
24
Y
1
-28.17
2.00
110.40
82.23
A
A
A
CB
CA
C
ARG
ARG
ARG
33
33
33
N
1
19.10
1.80
110.60
129.70
A
A
A
N
CA
CB
ARG
ARG
ARG
33
33
33
N
1
39.38
2.20
113.40
152.78
A
A
A
CA
CB
CG
ARG
ARG
ARG
33
33
33
N
1
31.55
2.60
111.60
143.15
A
A
A
CB
CG
CD
ARG
ARG
ARG
33
33
33
N
1
-12.23
1.40
123.60
111.37
A
A
A
CD
NE
CZ
ARG
ARG
ARG
33
33
33
N
1
15.69
0.50
120.30
135.99
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
33
33
33
N
1
-16.70
0.50
120.30
103.60
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
33
33
33
N
1
-16.93
2.60
111.60
94.67
A
A
A
CB
CG
CD
LYS
LYS
LYS
52
52
52
N
1
14.16
2.30
111.70
125.86
A
A
A
CD
CE
NZ
LYS
LYS
LYS
52
52
52
N
1
21.79
2.20
117.20
138.99
A
A
A
CA
C
N
GLU
GLU
LYS
55
55
56
Y
1
-23.21
1.60
122.70
99.49
A
A
A
O
C
N
GLU
GLU
LYS
55
55
56
Y
1
19.47
2.50
121.70
141.17
A
A
A
C
N
CA
GLU
LYS
LYS
55
56
56
Y
1
15.28
1.80
110.60
125.88
A
A
A
N
CA
CB
LYS
LYS
LYS
56
56
56
N
1
-18.23
2.30
111.70
93.47
A
A
A
CD
CE
NZ
LYS
LYS
LYS
56
56
56
N
1
-9.01
1.40
123.60
114.59
A
A
A
CD
NE
CZ
ARG
ARG
ARG
57
57
57
N
1
18.56
2.70
111.00
129.56
A
A
A
N
CA
C
CYS
CYS
CYS
59
59
59
N
1
13.86
2.00
116.20
130.06
A
A
A
CA
C
N
CYS
CYS
GLY
59
59
60
Y
1
-15.88
1.70
123.20
107.32
A
A
A
O
C
N
CYS
CYS
GLY
59
59
60
Y
1
16.92
2.10
122.30
139.22
A
A
A
C
N
CA
CYS
GLY
GLY
59
60
60
Y
1
13.84
2.20
113.40
127.24
A
A
A
CA
CB
CG
ARG
ARG
ARG
74
74
74
N
1
-18.94
2.10
111.80
92.86
A
A
A
CG
CD
NE
ARG
ARG
ARG
74
74
74
N
1
14.26
0.50
120.30
134.56
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
74
74
74
N
1
-17.14
0.50
120.30
103.16
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
74
74
74
N
1
-27.69
1.80
110.60
82.91
A
A
A
N
CA
CB
LYS
LYS
LYS
79
79
79
N
1
-23.02
2.20
113.40
90.38
A
A
A
CA
CB
CG
LYS
LYS
LYS
79
79
79
N
1
-18.07
2.30
111.70
93.63
A
A
A
CD
CE
NZ
LYS
LYS
LYS
79
79
79
N
1
21.84
2.20
117.20
139.04
A
A
A
CA
C
N
SER
SER
CYS
82
82
83
Y
1
-25.41
1.60
122.70
97.29
A
A
A
O
C
N
SER
SER
CYS
82
82
83
Y
1
19.43
2.50
121.70
141.13
A
A
A
C
N
CA
SER
CYS
CYS
82
83
83
Y
1
14.55
2.20
113.40
127.95
A
A
A
CA
CB
CG
ARG
ARG
ARG
100
100
100
N
1
15.92
2.10
111.80
127.72
A
A
A
CG
CD
NE
ARG
ARG
ARG
100
100
100
N
1
-13.77
1.40
123.60
109.83
A
A
A
CD
NE
CZ
ARG
ARG
ARG
100
100
100
N
1
-4.49
0.50
120.30
115.81
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
100
100
100
N
1
-17.72
2.30
111.70
93.98
A
A
A
CD
CE
NZ
LYS
LYS
LYS
102
102
102
N
1
-14.28
2.20
117.20
102.92
A
A
A
CA
C
N
ASN
ASN
LYS
106
106
107
Y
1
9.95
1.60
122.70
132.65
A
A
A
O
C
N
ASN
ASN
LYS
106
106
107
Y
1
-18.02
2.00
110.40
92.38
A
A
A
CB
CA
C
LYS
LYS
LYS
107
107
107
N
1
15.57
1.80
110.60
126.17
A
A
A
N
CA
CB
LYS
LYS
LYS
107
107
107
N
1
38.08
2.20
113.40
151.48
A
A
A
CA
CB
CG
LYS
LYS
LYS
107
107
107
N
1
26.56
2.60
111.60
138.16
A
A
A
CB
CG
CD
LYS
LYS
LYS
107
107
107
N
1
14.95
2.20
113.40
128.35
A
A
A
CA
CB
CG
GLN
GLN
GLN
110
110
110
N
1
-21.09
2.00
121.60
100.51
A
A
A
CG
CD
OE1
GLN
GLN
GLN
110
110
110
N
1
19.50
2.40
116.70
136.20
A
A
A
CG
CD
NE2
GLN
GLN
GLN
110
110
110
N
1
14.15
2.20
113.40
127.55
A
A
A
CA
CB
CG
LYS
LYS
LYS
115
115
115
N
1
-17.84
2.30
111.70
93.86
A
A
A
CD
CE
NZ
LYS
LYS
LYS
115
115
115
N
1
-11.00
1.60
122.70
111.70
A
A
A
O
C
N
HIS
HIS
CYS
116
116
117
Y
1
11.14
1.50
119.30
130.44
A
A
A
C
N
CA
THR
PRO
PRO
121
122
122
Y
1
A
A
C
O
LEU
LEU
2
2
-0.159
0.019
1.229
1.070
N
1
A
A
CA
CB
ILE
ILE
9
9
-0.146
0.023
1.544
1.398
N
1
A
A
CB
CG
LYS
LYS
10
10
-0.466
0.027
1.521
1.055
N
1
A
A
N
CA
GLU
GLU
16
16
-0.138
0.020
1.459
1.321
N
1
A
A
CA
C
ALA
ALA
17
17
-0.225
0.026
1.525
1.300
N
1
A
A
C
N
ALA
ALA
17
18
0.216
0.023
1.336
1.552
Y
1
A
A
CB
CG
ARG
ARG
33
33
-0.313
0.027
1.521
1.208
N
1
A
A
C
N
CYS
CYS
43
44
0.265
0.023
1.336
1.601
Y
1
A
A
CA
CB
CYS
CYS
44
44
-0.086
0.013
1.526
1.440
N
1
A
A
CG
CD2
HIS
HIS
47
47
0.060
0.009
1.354
1.414
N
1
A
A
N
CA
GLU
GLU
55
55
-0.170
0.020
1.459
1.289
N
1
A
A
CB
CG
LYS
LYS
56
56
-0.292
0.027
1.521
1.229
N
1
A
A
NE
CZ
ARG
ARG
57
57
-0.086
0.013
1.326
1.240
N
1
A
A
N
CA
CYS
CYS
59
59
0.145
0.020
1.459
1.604
N
1
A
A
CA
C
CYS
CYS
59
59
-0.392
0.026
1.525
1.133
N
1
A
A
N
CA
GLY
GLY
60
60
-0.101
0.015
1.456
1.355
N
1
A
A
CA
CB
CYS
CYS
77
77
-0.078
0.013
1.526
1.448
N
1
A
A
CB
SG
CYS
CYS
77
77
-0.108
0.016
1.812
1.704
N
1
A
A
CB
CG
LYS
LYS
79
79
0.687
0.027
1.521
2.208
N
1
A
A
CB
CG
LYS
LYS
107
107
-0.345
0.027
1.521
1.176
N
1
A
PHE
5
-33.67
-70.02
1
A
ALA
18
65.41
-71.57
1
A
ASP
38
-172.45
-167.64
1
A
THR
61
-139.78
-97.03
1
A
GLN
80
-163.33
-163.55
1
A
TYR
111
-114.16
57.25
1
A
PRO
122
-29.25
-42.75
1
A
ARG
123
66.47
108.31
0.3197
0.2423
2.6
15
248
4851
4635
Random
1
THROUGHOUT
2
MOLECULAR REPLACEMENT
Engh & Huber
2.6
15
25
990
2
0
963
2.6
15
1N29
4851
4635
2
2
1
90.4
2.6
2.8
99.8
data reduction
MOSFLM
data scaling
SCALA
refinement
CNS
data scaling
CCP4
(SCALA)
phasing
CNS
Crystal structure of the N1A mutant of human group IIA phospholipase A2
1
N
N
2
N
N
2
N
N
3
N
N
A
ALA
1
A
ALA
1
HELX_P
A
GLY
14
A
GLY
14
1
1
14
A
ASP
38
A
ASP
38
HELX_P
A
ARG
57
A
ARG
57
1
2
20
A
ASP
81
A
ASP
81
HELX_P
A
ASN
101
A
ASN
101
1
3
21
A
LYS
102
A
LYS
102
HELX_P
A
TYR
105
A
TYR
105
5
4
4
A
SER
113
A
SER
113
HELX_P
A
CYS
117
A
CYS
117
5
5
5
disulf
2.048
A
CYS
26
A
SG
CYS
26
1_555
A
CYS
117
A
SG
CYS
117
1_555
disulf
2.197
A
CYS
28
A
SG
CYS
28
1_555
A
CYS
44
A
SG
CYS
44
1_555
disulf
2.023
A
CYS
43
A
SG
CYS
43
1_555
A
CYS
97
A
SG
CYS
97
1_555
disulf
2.025
A
CYS
49
A
SG
CYS
49
1_555
A
CYS
124
A
SG
CYS
124
1_555
disulf
1.910
A
CYS
50
A
SG
CYS
50
1_555
A
CYS
90
A
SG
CYS
90
1_555
disulf
1.876
A
CYS
59
A
SG
CYS
59
1_555
A
CYS
83
A
SG
CYS
83
1_555
disulf
1.943
A
CYS
77
A
SG
CYS
77
1_555
A
CYS
88
A
SG
CYS
88
1_555
metalc
2.445
A
PHE
23
A
O
PHE
23
1_555
A
CA
126
C
CA
CA
1_555
metalc
2.778
A
GLY
25
A
O
GLY
25
1_555
A
CA
126
C
CA
CA
1_555
metalc
2.239
A
HIS
27
A
O
HIS
27
1_555
A
CA
125
B
CA
CA
1_555
metalc
2.237
A
GLY
29
A
O
GLY
29
1_555
A
CA
125
B
CA
CA
1_555
metalc
2.280
A
GLY
31
A
O
GLY
31
1_555
A
CA
125
B
CA
CA
1_555
metalc
2.806
A
ASP
48
A
OD1
ASP
48
1_555
A
CA
125
B
CA
CA
1_555
metalc
2.120
A
ASP
48
A
OD2
ASP
48
1_555
A
CA
125
B
CA
CA
1_555
metalc
2.266
A
TYR
112
A
O
TYR
112
1_555
A
CA
126
C
CA
CA
1_555
metalc
2.298
A
ASN
114
A
ND2
ASN
114
1_555
A
CA
126
C
CA
CA
1_555
HYDROLASE
hydrolase
PA2GA_HUMAN
UNP
1
21
P14555
NLVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTHDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
21
144
1N29
1
124
P14555
A
1
1
124
1
ASN
engineered mutation
ALA
1
1N29
A
P14555
UNP
21
1
2
anti-parallel
A
PHE
68
A
PHE
68
A
SER
71
A
SER
71
A
ARG
74
A
ARG
74
A
CYS
77
A
CYS
77
BINDING SITE FOR RESIDUE CA A 125
A
CA
125
Software
4
BINDING SITE FOR RESIDUE CA A 126
A
CA
126
Software
4
A
HIS
27
A
HIS
27
4
1_555
A
GLY
29
A
GLY
29
4
1_555
A
GLY
31
A
GLY
31
4
1_555
A
ASP
48
A
ASP
48
4
1_555
A
PHE
23
A
PHE
23
4
1_555
A
GLY
25
A
GLY
25
4
1_555
A
TYR
112
A
TYR
112
4
1_555
A
ASN
114
A
ASN
114
4
1_555
178
P 61 2 2