0.008363
0.000000
0.006202
0.000000
0.029053
0.000000
0.000000
0.000000
0.016847
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
8
90.00
126.56
90.00
119.580
34.420
73.900
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/pdb1n28/pdb
pdb_00001n28
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
CCD
2001-05-20
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
0.933
1.0
ID14-2
ESRF
0.933
SYNCHROTRON
ESRF BEAMLINE ID14-2
13891.969
Phospholipase A2, membrane associated
3.1.1.4
N1A, H48Q
2
man
polymer
40.078
CALCIUM ION
4
syn
non-polymer
18.015
water
107
nat
water
Phosphatidylcholine 2-acylhydrolase, Group IIA phospholipase A2, GIIC sPLA2, Non-pancreatic secretory phospholipase A2, NPS-PLA2
no
no
ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTQDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
ALVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTQDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
B,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
2.20
44.04
VAPOR DIFFUSION, HANGING DROP
7.4
NaCl, CaCl2, pH 7.4, 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_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_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_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_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_asym_id
_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_asym_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 N1A MUTANT OF HUMAN GROUP IIA PHOSPHOLIPASE A2
SEQUENCE
Authors informed that although the actual position of
mutation H48Q is at residue 47, the histidine residue is
generally referred to as His-48, as this is its position
according to the standard pancreatic enzyme numbering.
RCSB
Y
RCSB
2002-10-22
REL
CA
CALCIUM ION
HOH
water
CA2
125
2
CA
CA
125
B
CA2
127
2
CA
CA
127
B
CA2
126
2
CA
CA
126
A
CA2
128
2
CA
CA
128
A
HOH
1
3
HOH
HOH
128
B
HOH
5
3
HOH
HOH
129
B
HOH
10
3
HOH
HOH
130
B
HOH
21
3
HOH
HOH
131
B
HOH
115
3
HOH
HOH
132
B
HOH
116
3
HOH
HOH
133
B
HOH
117
3
HOH
HOH
134
B
HOH
118
3
HOH
HOH
135
B
HOH
119
3
HOH
HOH
136
B
HOH
123
3
HOH
HOH
137
B
HOH
130
3
HOH
HOH
138
B
HOH
131
3
HOH
HOH
139
B
HOH
134
3
HOH
HOH
140
B
HOH
136
3
HOH
HOH
141
B
HOH
142
3
HOH
HOH
142
B
HOH
149
3
HOH
HOH
143
B
HOH
150
3
HOH
HOH
144
B
HOH
159
3
HOH
HOH
145
B
HOH
162
3
HOH
HOH
146
B
HOH
164
3
HOH
HOH
147
B
HOH
166
3
HOH
HOH
148
B
HOH
169
3
HOH
HOH
149
B
HOH
170
3
HOH
HOH
150
B
HOH
171
3
HOH
HOH
151
B
HOH
173
3
HOH
HOH
152
B
HOH
176
3
HOH
HOH
153
B
HOH
181
3
HOH
HOH
154
B
HOH
184
3
HOH
HOH
155
B
HOH
187
3
HOH
HOH
156
B
HOH
188
3
HOH
HOH
157
B
HOH
196
3
HOH
HOH
158
B
HOH
204
3
HOH
HOH
159
B
HOH
205
3
HOH
HOH
160
B
HOH
206
3
HOH
HOH
161
B
HOH
207
3
HOH
HOH
162
B
HOH
208
3
HOH
HOH
163
B
HOH
210
3
HOH
HOH
164
B
HOH
212
3
HOH
HOH
165
B
HOH
217
3
HOH
HOH
166
B
HOH
218
3
HOH
HOH
167
B
HOH
230
3
HOH
HOH
168
B
HOH
231
3
HOH
HOH
169
B
HOH
235
3
HOH
HOH
170
B
HOH
236
3
HOH
HOH
171
B
HOH
237
3
HOH
HOH
172
B
HOH
238
3
HOH
HOH
173
B
HOH
241
3
HOH
HOH
174
B
HOH
242
3
HOH
HOH
175
B
HOH
244
3
HOH
HOH
176
B
HOH
245
3
HOH
HOH
177
B
HOH
249
3
HOH
HOH
178
B
HOH
250
3
HOH
HOH
179
B
HOH
254
3
HOH
HOH
180
B
HOH
255
3
HOH
HOH
181
B
HOH
256
3
HOH
HOH
182
B
HOH
9
3
HOH
HOH
129
A
HOH
27
3
HOH
HOH
130
A
HOH
79
3
HOH
HOH
131
A
HOH
113
3
HOH
HOH
132
A
HOH
120
3
HOH
HOH
133
A
HOH
121
3
HOH
HOH
134
A
HOH
122
3
HOH
HOH
135
A
HOH
124
3
HOH
HOH
136
A
HOH
126
3
HOH
HOH
137
A
HOH
129
3
HOH
HOH
138
A
HOH
135
3
HOH
HOH
139
A
HOH
137
3
HOH
HOH
140
A
HOH
138
3
HOH
HOH
141
A
HOH
139
3
HOH
HOH
142
A
HOH
140
3
HOH
HOH
143
A
HOH
141
3
HOH
HOH
144
A
HOH
145
3
HOH
HOH
145
A
HOH
153
3
HOH
HOH
146
A
HOH
158
3
HOH
HOH
147
A
HOH
172
3
HOH
HOH
148
A
HOH
174
3
HOH
HOH
149
A
HOH
177
3
HOH
HOH
150
A
HOH
178
3
HOH
HOH
151
A
HOH
179
3
HOH
HOH
152
A
HOH
182
3
HOH
HOH
153
A
HOH
183
3
HOH
HOH
154
A
HOH
185
3
HOH
HOH
155
A
HOH
191
3
HOH
HOH
156
A
HOH
193
3
HOH
HOH
157
A
HOH
195
3
HOH
HOH
158
A
HOH
197
3
HOH
HOH
159
A
HOH
198
3
HOH
HOH
160
A
HOH
200
3
HOH
HOH
161
A
HOH
201
3
HOH
HOH
162
A
HOH
202
3
HOH
HOH
163
A
HOH
203
3
HOH
HOH
164
A
HOH
211
3
HOH
HOH
165
A
HOH
214
3
HOH
HOH
166
A
HOH
215
3
HOH
HOH
167
A
HOH
219
3
HOH
HOH
168
A
HOH
220
3
HOH
HOH
169
A
HOH
222
3
HOH
HOH
170
A
HOH
227
3
HOH
HOH
171
A
HOH
229
3
HOH
HOH
172
A
HOH
232
3
HOH
HOH
173
A
HOH
234
3
HOH
HOH
174
A
HOH
239
3
HOH
HOH
175
A
HOH
246
3
HOH
HOH
176
A
HOH
247
3
HOH
HOH
177
A
HOH
251
3
HOH
HOH
178
A
HOH
252
3
HOH
HOH
179
A
HOH
253
3
HOH
HOH
180
A
ASN
1
n
1
ALA
1
B
LEU
2
n
2
LEU
2
B
VAL
3
n
3
VAL
3
B
ASN
4
n
4
ASN
4
B
PHE
5
n
5
PHE
5
B
HIS
6
n
6
HIS
6
B
ARG
7
n
7
ARG
7
B
MET
8
n
8
MET
8
B
ILE
9
n
9
ILE
9
B
LYS
10
n
10
LYS
10
B
LEU
11
n
11
LEU
11
B
THR
12
n
12
THR
12
B
THR
13
n
13
THR
13
B
GLY
14
n
14
GLY
14
B
LYS
15
n
15
LYS
15
B
GLU
16
n
16
GLU
16
B
ALA
17
n
17
ALA
17
B
ALA
18
n
18
ALA
18
B
LEU
19
n
19
LEU
19
B
SER
20
n
20
SER
20
B
TYR
21
n
21
TYR
21
B
GLY
22
n
22
GLY
22
B
PHE
23
n
23
PHE
23
B
TYR
24
n
24
TYR
24
B
GLY
25
n
25
GLY
25
B
CYS
26
n
26
CYS
26
B
HIS
27
n
27
HIS
27
B
CYS
28
n
28
CYS
28
B
GLY
29
n
29
GLY
29
B
VAL
30
n
30
VAL
30
B
GLY
31
n
31
GLY
31
B
GLY
32
n
32
GLY
32
B
ARG
33
n
33
ARG
33
B
GLY
34
n
34
GLY
34
B
SER
35
n
35
SER
35
B
PRO
36
n
36
PRO
36
B
LYS
37
n
37
LYS
37
B
ASP
38
n
38
ASP
38
B
ALA
39
n
39
ALA
39
B
THR
40
n
40
THR
40
B
ASP
41
n
41
ASP
41
B
ARG
42
n
42
ARG
42
B
CYS
43
n
43
CYS
43
B
CYS
44
n
44
CYS
44
B
VAL
45
n
45
VAL
45
B
THR
46
n
46
THR
46
B
GLN
47
n
47
GLN
47
B
ASP
48
n
48
ASP
48
B
CYS
49
n
49
CYS
49
B
CYS
50
n
50
CYS
50
B
TYR
51
n
51
TYR
51
B
LYS
52
n
52
LYS
52
B
ARG
53
n
53
ARG
53
B
LEU
54
n
54
LEU
54
B
GLU
55
n
55
GLU
55
B
LYS
56
n
56
LYS
56
B
ARG
57
n
57
ARG
57
B
GLY
58
n
58
GLY
58
B
CYS
59
n
59
CYS
59
B
GLY
60
n
60
GLY
60
B
THR
61
n
61
THR
61
B
LYS
62
n
62
LYS
62
B
PHE
63
n
63
PHE
63
B
LEU
64
n
64
LEU
64
B
SER
65
n
65
SER
65
B
TYR
66
n
66
TYR
66
B
LYS
67
n
67
LYS
67
B
PHE
68
n
68
PHE
68
B
SER
69
n
69
SER
69
B
ASN
70
n
70
ASN
70
B
SER
71
n
71
SER
71
B
GLY
72
n
72
GLY
72
B
SER
73
n
73
SER
73
B
ARG
74
n
74
ARG
74
B
ILE
75
n
75
ILE
75
B
THR
76
n
76
THR
76
B
CYS
77
n
77
CYS
77
B
ALA
78
n
78
ALA
78
B
LYS
79
n
79
LYS
79
B
GLN
80
n
80
GLN
80
B
ASP
81
n
81
ASP
81
B
SER
82
n
82
SER
82
B
CYS
83
n
83
CYS
83
B
ARG
84
n
84
ARG
84
B
SER
85
n
85
SER
85
B
GLN
86
n
86
GLN
86
B
LEU
87
n
87
LEU
87
B
CYS
88
n
88
CYS
88
B
GLU
89
n
89
GLU
89
B
CYS
90
n
90
CYS
90
B
ASP
91
n
91
ASP
91
B
LYS
92
n
92
LYS
92
B
ALA
93
n
93
ALA
93
B
ALA
94
n
94
ALA
94
B
ALA
95
n
95
ALA
95
B
THR
96
n
96
THR
96
B
CYS
97
n
97
CYS
97
B
PHE
98
n
98
PHE
98
B
ALA
99
n
99
ALA
99
B
ARG
100
n
100
ARG
100
B
ASN
101
n
101
ASN
101
B
LYS
102
n
102
LYS
102
B
THR
103
n
103
THR
103
B
THR
104
n
104
THR
104
B
TYR
105
n
105
TYR
105
B
ASN
106
n
106
ASN
106
B
LYS
107
n
107
LYS
107
B
LYS
108
n
108
LYS
108
B
TYR
109
n
109
TYR
109
B
GLN
110
n
110
GLN
110
B
TYR
111
n
111
TYR
111
B
TYR
112
n
112
TYR
112
B
SER
113
n
113
SER
113
B
ASN
114
n
114
ASN
114
B
LYS
115
n
115
LYS
115
B
HIS
116
n
116
HIS
116
B
CYS
117
n
117
CYS
117
B
ARG
118
n
118
ARG
118
B
GLY
119
n
119
GLY
119
B
SER
120
n
120
SER
120
B
THR
121
n
121
THR
121
B
PRO
122
n
122
PRO
122
B
ARG
123
n
123
ARG
123
B
CYS
124
n
124
CYS
124
B
ASN
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
GLN
47
n
47
GLN
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
author_defined_assembly
1
monomeric
B
PHE
23
A
O
PHE
23
1_555
B
CA
127
D
CA
CA
1_555
B
GLY
25
A
O
GLY
25
1_555
93.6
B
PHE
23
A
O
PHE
23
1_555
B
CA
127
D
CA
CA
1_555
B
TYR
112
A
O
TYR
112
1_555
89.3
B
GLY
25
A
O
GLY
25
1_555
B
CA
127
D
CA
CA
1_555
B
TYR
112
A
O
TYR
112
1_555
99.9
B
PHE
23
A
O
PHE
23
1_555
B
CA
127
D
CA
CA
1_555
B
ASN
114
A
OD1
ASN
114
1_555
178.8
B
GLY
25
A
O
GLY
25
1_555
B
CA
127
D
CA
CA
1_555
B
ASN
114
A
OD1
ASN
114
1_555
86.2
B
TYR
112
A
O
TYR
112
1_555
B
CA
127
D
CA
CA
1_555
B
ASN
114
A
OD1
ASN
114
1_555
89.6
B
PHE
23
A
O
PHE
23
1_555
B
CA
127
D
CA
CA
1_555
B
HOH
171
G
O
HOH
1_555
77.4
B
GLY
25
A
O
GLY
25
1_555
B
CA
127
D
CA
CA
1_555
B
HOH
171
G
O
HOH
1_555
83.3
B
TYR
112
A
O
TYR
112
1_555
B
CA
127
D
CA
CA
1_555
B
HOH
171
G
O
HOH
1_555
166.5
B
ASN
114
A
OD1
ASN
114
1_555
B
CA
127
D
CA
CA
1_555
B
HOH
171
G
O
HOH
1_555
103.7
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
B
GLY
29
A
O
GLY
29
1_555
98.2
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
B
GLY
31
A
O
GLY
31
1_555
84.4
B
GLY
29
A
O
GLY
29
1_555
B
CA
125
C
CA
CA
1_555
B
GLY
31
A
O
GLY
31
1_555
97.3
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD1
ASP
48
1_555
127.4
B
GLY
29
A
O
GLY
29
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD1
ASP
48
1_555
124.7
B
GLY
31
A
O
GLY
31
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD1
ASP
48
1_555
114.7
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD2
ASP
48
1_555
95.5
B
GLY
29
A
O
GLY
29
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD2
ASP
48
1_555
164.8
B
GLY
31
A
O
GLY
31
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD2
ASP
48
1_555
77.6
B
ASP
48
A
OD1
ASP
48
1_555
B
CA
125
C
CA
CA
1_555
B
ASP
48
A
OD2
ASP
48
1_555
48.4
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
83.0
B
GLY
29
A
O
GLY
29
1_555
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
110.6
B
GLY
31
A
O
GLY
31
1_555
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
150.8
B
ASP
48
A
OD1
ASP
48
1_555
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
56.0
B
ASP
48
A
OD2
ASP
48
1_555
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
77.5
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
A
GLY
25
B
O
GLY
25
1_555
103.0
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
A
TYR
112
B
O
TYR
112
1_555
95.3
A
GLY
25
B
O
GLY
25
1_555
A
CA
128
F
CA
CA
1_555
A
TYR
112
B
O
TYR
112
1_555
102.8
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
A
ASN
114
B
ND2
ASN
114
1_555
170.0
A
GLY
25
B
O
GLY
25
1_555
A
CA
128
F
CA
CA
1_555
A
ASN
114
B
ND2
ASN
114
1_555
85.0
A
TYR
112
B
O
TYR
112
1_555
A
CA
128
F
CA
CA
1_555
A
ASN
114
B
ND2
ASN
114
1_555
88.8
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
165
H
O
HOH
1_555
85.8
A
GLY
25
B
O
GLY
25
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
165
H
O
HOH
1_555
83.6
A
TYR
112
B
O
TYR
112
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
165
H
O
HOH
1_555
173.0
A
ASN
114
B
ND2
ASN
114
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
165
H
O
HOH
1_555
89.0
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
89.8
A
GLY
25
B
O
GLY
25
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
159.2
A
TYR
112
B
O
TYR
112
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
92.2
A
ASN
114
B
ND2
ASN
114
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
80.9
A
HOH
165
H
O
HOH
1_555
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
80.9
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
A
GLY
29
B
O
GLY
29
1_555
107.8
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
A
GLY
31
B
O
GLY
31
1_555
79.7
A
GLY
29
B
O
GLY
29
1_555
A
CA
126
E
CA
CA
1_555
A
GLY
31
B
O
GLY
31
1_555
94.0
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD1
ASP
48
1_555
130.3
A
GLY
29
B
O
GLY
29
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD1
ASP
48
1_555
108.1
A
GLY
31
B
O
GLY
31
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD1
ASP
48
1_555
129.9
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD2
ASP
48
1_555
98.9
A
GLY
29
B
O
GLY
29
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD2
ASP
48
1_555
153.1
A
GLY
31
B
O
GLY
31
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD2
ASP
48
1_555
94.1
A
ASP
48
B
OD1
ASP
48
1_555
A
CA
126
E
CA
CA
1_555
A
ASP
48
B
OD2
ASP
48
1_555
48.6
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
89.0
A
GLY
29
B
O
GLY
29
1_555
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
88.7
A
GLY
31
B
O
GLY
31
1_555
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
168.7
A
ASP
48
B
OD1
ASP
48
1_555
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
58.9
A
ASP
48
B
OD2
ASP
48
1_555
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
88.3
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
B
N
SER
69
A
N
SER
69
B
O
THR
76
A
O
THR
76
A
N
SER
69
B
N
SER
69
A
O
THR
76
B
O
THR
76
1
B
GLY
58
-11.29
1
B
SER
113
-12.34
1
B
THR
121
-18.33
1
B
B
C
N
PHE
LEU
63
64
1.18
1
B
B
C
N
ARG
CYS
123
124
1.60
1
A
A
C
N
HIS
CYS
27
28
1.61
1
-17.58
2.20
113.40
95.82
B
B
B
CA
CB
CG
LYS
LYS
LYS
56
56
56
N
1
-16.48
2.60
111.60
95.12
B
B
B
CB
CG
CD
LYS
LYS
LYS
56
56
56
N
1
15.95
0.90
118.30
134.25
B
B
B
CB
CG
OD1
ASP
ASP
ASP
81
81
81
N
1
-17.17
0.90
118.30
101.13
B
B
B
CB
CG
OD2
ASP
ASP
ASP
81
81
81
N
1
-16.98
1.60
122.70
105.72
B
B
B
O
C
N
SER
SER
ASN
113
113
114
Y
1
18.53
2.70
111.00
129.53
B
B
B
N
CA
C
ASN
ASN
ASN
114
114
114
N
1
-18.16
1.90
121.10
102.94
B
B
B
O
C
N
THR
THR
PRO
121
121
122
Y
1
12.72
1.60
122.70
135.42
B
B
B
O
C
N
PRO
PRO
ARG
122
122
123
Y
1
-29.93
2.20
117.20
87.27
B
B
B
CA
C
N
ARG
ARG
CYS
123
123
124
Y
1
27.53
1.60
122.70
150.23
B
B
B
O
C
N
ARG
ARG
CYS
123
123
124
Y
1
-20.82
2.50
121.70
100.88
B
B
B
C
N
CA
ARG
CYS
CYS
123
124
124
Y
1
-15.21
1.60
122.70
107.49
A
A
A
O
C
N
ARG
ARG
MET
7
7
8
Y
1
20.87
2.70
111.00
131.87
A
A
A
N
CA
C
CYS
CYS
CYS
28
28
28
N
1
11.43
1.60
122.70
134.13
A
A
A
O
C
N
GLN
GLN
ASP
80
80
81
Y
1
-11.49
1.40
123.60
112.11
A
A
A
CD
NE
CZ
ARG
ARG
ARG
118
118
118
N
1
B
B
C
N
GLY
CYS
58
59
0.186
0.023
1.336
1.522
Y
1
B
B
C
N
PHE
LEU
63
64
-0.153
0.023
1.336
1.183
Y
1
B
B
N
CA
SER
SER
113
113
-0.140
0.020
1.459
1.319
N
1
B
B
CA
C
ASN
ASN
114
114
-0.165
0.026
1.525
1.360
N
1
B
B
C
N
ARG
CYS
123
124
0.266
0.023
1.336
1.602
Y
1
A
A
C
N
HIS
CYS
27
28
0.271
0.023
1.336
1.607
Y
1
A
A
N
CA
CYS
CYS
28
28
-0.211
0.020
1.459
1.248
N
1
A
A
CG
CD2
HIS
HIS
116
116
0.085
0.009
1.354
1.439
N
1
B
LYS
62
-76.88
-71.12
1
B
TYR
111
-118.58
56.11
1
B
ASN
114
-41.15
-19.80
1
B
ARG
123
52.62
129.96
1
A
THR
61
-137.34
-69.87
protein_rep.param
ion.param
water_rep.param
2.458
0
-2.024
-1.115
0
-1.342
0.2066
0.1842
1.5
20
1633
39135
32907
Random
1
THROUGHOUT
2
2
MOLECULAR REPLACEMENT
Engh & Huber
1.5
20
107
2041
4
0
1930
1.253
1.5
1.807
2
2.078
2
3.046
2.5
1.5
20
1N28
39135
32907
2
2
1
84.1
1.50
1.58
79.1
data reduction
MOSFLM
data scaling
SCALA
refinement
CNS
data scaling
CCP4
(SCALA)
phasing
CNS
Crystal structure of the H48Q mutant of human group IIA phospholipase A2
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
B
GLU
16
A
GLU
16
HELX_P
B
GLY
22
A
GLY
22
1
2
7
B
ASP
38
A
ASP
38
HELX_P
B
ARG
57
A
ARG
57
1
3
20
B
ASP
81
A
ASP
81
HELX_P
B
ASN
101
A
ASN
101
1
4
21
B
LYS
102
A
LYS
102
HELX_P
B
TYR
105
A
TYR
105
5
5
4
B
ASN
106
A
ASN
106
HELX_P
B
GLN
110
A
GLN
110
5
6
5
B
SER
113
A
SER
113
HELX_P
B
CYS
117
A
CYS
117
5
7
5
A
GLU
16
B
GLU
16
HELX_P
A
GLY
22
B
GLY
22
1
9
7
A
ASP
38
B
ASP
38
HELX_P
A
ARG
57
B
ARG
57
1
10
20
A
ASP
81
B
ASP
81
HELX_P
A
ASN
101
B
ASN
101
1
11
21
A
LYS
102
B
LYS
102
HELX_P
A
TYR
105
B
TYR
105
5
12
4
A
ASN
106
B
ASN
106
HELX_P
A
GLN
110
B
GLN
110
5
13
5
A
SER
113
B
SER
113
HELX_P
A
CYS
117
B
CYS
117
5
14
5
disulf
2.017
B
CYS
26
A
SG
CYS
26
1_555
B
CYS
117
A
SG
CYS
117
1_555
disulf
1.993
B
CYS
28
A
SG
CYS
28
1_555
B
CYS
44
A
SG
CYS
44
1_555
disulf
2.024
B
CYS
43
A
SG
CYS
43
1_555
B
CYS
97
A
SG
CYS
97
1_555
disulf
2.018
B
CYS
49
A
SG
CYS
49
1_555
B
CYS
124
A
SG
CYS
124
1_555
disulf
2.030
B
CYS
50
A
SG
CYS
50
1_555
B
CYS
90
A
SG
CYS
90
1_555
disulf
1.897
B
CYS
59
A
SG
CYS
59
1_555
B
CYS
83
A
SG
CYS
83
1_555
disulf
2.033
B
CYS
77
A
SG
CYS
77
1_555
B
CYS
88
A
SG
CYS
88
1_555
disulf
2.026
A
CYS
26
B
SG
CYS
26
1_555
A
CYS
117
B
SG
CYS
117
1_555
disulf
1.867
A
CYS
28
B
SG
CYS
28
1_555
A
CYS
44
B
SG
CYS
44
1_555
disulf
2.027
A
CYS
43
B
SG
CYS
43
1_555
A
CYS
97
B
SG
CYS
97
1_555
disulf
2.031
A
CYS
49
B
SG
CYS
49
1_555
A
CYS
124
B
SG
CYS
124
1_555
disulf
2.030
A
CYS
50
B
SG
CYS
50
1_555
A
CYS
90
B
SG
CYS
90
1_555
disulf
2.030
A
CYS
59
B
SG
CYS
59
1_555
A
CYS
83
B
SG
CYS
83
1_555
disulf
2.020
A
CYS
77
B
SG
CYS
77
1_555
A
CYS
88
B
SG
CYS
88
1_555
metalc
2.612
B
PHE
23
A
O
PHE
23
1_555
B
CA
127
D
CA
CA
1_555
metalc
2.208
B
GLY
25
A
O
GLY
25
1_555
B
CA
127
D
CA
CA
1_555
metalc
2.216
B
HIS
27
A
O
HIS
27
1_555
B
CA
125
C
CA
CA
1_555
metalc
2.365
B
GLY
29
A
O
GLY
29
1_555
B
CA
125
C
CA
CA
1_555
metalc
2.342
B
GLY
31
A
O
GLY
31
1_555
B
CA
125
C
CA
CA
1_555
metalc
2.777
B
ASP
48
A
OD1
ASP
48
1_555
B
CA
125
C
CA
CA
1_555
metalc
2.545
B
ASP
48
A
OD2
ASP
48
1_555
B
CA
125
C
CA
CA
1_555
metalc
2.219
B
TYR
112
A
O
TYR
112
1_555
B
CA
127
D
CA
CA
1_555
metalc
2.859
B
ASN
114
A
OD1
ASN
114
1_555
B
CA
127
D
CA
CA
1_555
metalc
2.475
B
CA
125
C
CA
CA
1_555
B
HOH
161
G
O
HOH
1_555
metalc
2.371
B
CA
127
D
CA
CA
1_555
B
HOH
171
G
O
HOH
1_555
metalc
2.474
A
PHE
23
B
O
PHE
23
1_555
A
CA
128
F
CA
CA
1_555
metalc
2.101
A
GLY
25
B
O
GLY
25
1_555
A
CA
128
F
CA
CA
1_555
metalc
2.241
A
HIS
27
B
O
HIS
27
1_555
A
CA
126
E
CA
CA
1_555
metalc
2.358
A
GLY
29
B
O
GLY
29
1_555
A
CA
126
E
CA
CA
1_555
metalc
2.527
A
GLY
31
B
O
GLY
31
1_555
A
CA
126
E
CA
CA
1_555
metalc
2.888
A
ASP
48
B
OD1
ASP
48
1_555
A
CA
126
E
CA
CA
1_555
metalc
2.241
A
ASP
48
B
OD2
ASP
48
1_555
A
CA
126
E
CA
CA
1_555
metalc
2.257
A
TYR
112
B
O
TYR
112
1_555
A
CA
128
F
CA
CA
1_555
metalc
2.607
A
ASN
114
B
ND2
ASN
114
1_555
A
CA
128
F
CA
CA
1_555
metalc
2.532
A
CA
126
E
CA
CA
1_555
A
HOH
140
H
O
HOH
1_555
metalc
2.399
A
CA
128
F
CA
CA
1_555
A
HOH
165
H
O
HOH
1_555
metalc
2.571
A
CA
128
F
CA
CA
1_555
A
HOH
166
H
O
HOH
1_555
HYDROLASE
hydrolase
PA2GA_HUMAN
UNP
1
21
P14555
NLVNFHRMIKLTTGKEAALSYGFYGCHCGVGGRGSPKDATDRCCVTHDCCYKRLEKRGCGTKFLSYKFSNSGSRITCAKQ
DSCRSQLCECDKAAATCFARNKTTYNKKYQYYSNKHCRGSTPRC
21
144
1N28
1
124
P14555
B
1
1
124
21
144
1N28
1
124
P14555
A
1
1
124
1
ASN
engineered mutation
ALA
1
1N28
B
P14555
UNP
21
1
1
HIS
engineered mutation
GLN
47
1N28
B
P14555
UNP
67
47
2
ASN
engineered mutation
ALA
1
1N28
A
P14555
UNP
21
1
2
HIS
engineered mutation
GLN
47
1N28
A
P14555
UNP
67
47
2
2
anti-parallel
anti-parallel
B
PHE
68
A
PHE
68
B
SER
71
A
SER
71
B
ARG
74
A
ARG
74
B
CYS
77
A
CYS
77
A
PHE
68
B
PHE
68
A
SER
69
B
SER
69
A
THR
76
B
THR
76
A
CYS
77
B
CYS
77
BINDING SITE FOR RESIDUE CA B 125
B
CA
125
Software
5
BINDING SITE FOR RESIDUE CA A 126
A
CA
126
Software
5
BINDING SITE FOR RESIDUE CA B 127
B
CA
127
Software
5
BINDING SITE FOR RESIDUE CA A 128
A
CA
128
Software
6
B
HIS
27
A
HIS
27
5
1_555
B
GLY
29
A
GLY
29
5
1_555
B
GLY
31
A
GLY
31
5
1_555
B
ASP
48
A
ASP
48
5
1_555
B
HOH
161
G
HOH
5
1_555
A
HIS
27
B
HIS
27
5
1_555
A
GLY
29
B
GLY
29
5
1_555
A
GLY
31
B
GLY
31
5
1_555
A
ASP
48
B
ASP
48
5
1_555
A
HOH
140
H
HOH
5
1_555
B
PHE
23
A
PHE
23
5
1_555
B
GLY
25
A
GLY
25
5
1_555
B
TYR
112
A
TYR
112
5
1_555
B
ASN
114
A
ASN
114
5
1_555
B
HOH
171
G
HOH
5
1_555
A
PHE
23
B
PHE
23
6
1_555
A
GLY
25
B
GLY
25
6
1_555
A
TYR
112
B
TYR
112
6
1_555
A
ASN
114
B
ASN
114
6
1_555
A
HOH
165
H
HOH
6
1_555
A
HOH
166
H
HOH
6
1_555
5
C 1 2 1