0.021687
0.012521
0.000000
0.000000
0.025042
0.000000
0.000000
0.000000
0.009794
0.00000
0.00000
0.00000
Kumar, A.
Sekharudu, C.
Ramakrishnan, B.
Dupureur, C.M.
Zhu, H.
Tsai, M.-D.
Sundaralingam, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
46.110
46.110
102.100
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
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
Protein Sci.
PRCIEI
0795
0961-8368
3
2082
2088
7703854
Structure and function of the catalytic site mutant Asp 99 Asn of phospholipase A2: absence of the conserved structural water.
1994
US
Biochemistry
BICHAW
0033
0006-2960
30
11801
Phospholipase A2 Engineering. X-Ray Structural and Functional Evidence for the Interaction of Lysine-56 with Substrates
1991
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
13809.520
PHOSPHOLIPASE A2
3.1.1.4
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
81
nat
water
no
no
ALWQFNGMIKCKIPSSEPLLDFNNYGCYCGLGGSGTPVDDLDRCCQTHDNCYKQAKKLDSCKVLVDNPYTNNYSYSCSNN
EITCSSENNACEAFICNCNRNAAICFSKVPYNKEHKNLDKKNC
ALWQFNGMIKCKIPSSEPLLDFNNYGCYCGLGGSGTPVDDLDRCCQTHDNCYKQAKKLDSCKVLVDNPYTNNYSYSCSNN
EITCSSENNACEAFICNCNRNAAICFSKVPYNKEHKNLDKKNC
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
cattle
Bos
sample
9913
Bos taurus
2.27
45.77
repository
Initial release
Version format compliance
Version format compliance
1
0
1995-02-07
1
1
2008-03-24
1
2
2011-07-13
Y
1994-11-16
REL
REL
CA
CALCIUM ION
HOH
water
CA
124
2
CA
CA
124
A
HOH
201
3
HOH
HOH
201
A
HOH
202
3
HOH
HOH
202
A
HOH
203
3
HOH
HOH
203
A
HOH
204
3
HOH
HOH
204
A
HOH
205
3
HOH
HOH
205
A
HOH
206
3
HOH
HOH
206
A
HOH
207
3
HOH
HOH
207
A
HOH
208
3
HOH
HOH
208
A
HOH
209
3
HOH
HOH
209
A
HOH
210
3
HOH
HOH
210
A
HOH
211
3
HOH
HOH
211
A
HOH
212
3
HOH
HOH
212
A
HOH
213
3
HOH
HOH
213
A
HOH
214
3
HOH
HOH
214
A
HOH
215
3
HOH
HOH
215
A
HOH
216
3
HOH
HOH
216
A
HOH
217
3
HOH
HOH
217
A
HOH
218
3
HOH
HOH
218
A
HOH
219
3
HOH
HOH
219
A
HOH
220
3
HOH
HOH
220
A
HOH
221
3
HOH
HOH
221
A
HOH
222
3
HOH
HOH
222
A
HOH
223
3
HOH
HOH
223
A
HOH
224
3
HOH
HOH
224
A
HOH
225
3
HOH
HOH
225
A
HOH
226
3
HOH
HOH
226
A
HOH
227
3
HOH
HOH
227
A
HOH
228
3
HOH
HOH
228
A
HOH
229
3
HOH
HOH
229
A
HOH
230
3
HOH
HOH
230
A
HOH
231
3
HOH
HOH
231
A
HOH
232
3
HOH
HOH
232
A
HOH
233
3
HOH
HOH
233
A
HOH
234
3
HOH
HOH
234
A
HOH
235
3
HOH
HOH
235
A
HOH
236
3
HOH
HOH
236
A
HOH
237
3
HOH
HOH
237
A
HOH
238
3
HOH
HOH
238
A
HOH
239
3
HOH
HOH
239
A
HOH
240
3
HOH
HOH
240
A
HOH
241
3
HOH
HOH
241
A
HOH
242
3
HOH
HOH
242
A
HOH
243
3
HOH
HOH
243
A
HOH
244
3
HOH
HOH
244
A
HOH
245
3
HOH
HOH
245
A
HOH
246
3
HOH
HOH
246
A
HOH
247
3
HOH
HOH
247
A
HOH
248
3
HOH
HOH
248
A
HOH
249
3
HOH
HOH
249
A
HOH
250
3
HOH
HOH
250
A
HOH
251
3
HOH
HOH
251
A
HOH
252
3
HOH
HOH
252
A
HOH
253
3
HOH
HOH
253
A
HOH
254
3
HOH
HOH
254
A
HOH
255
3
HOH
HOH
255
A
HOH
256
3
HOH
HOH
256
A
HOH
257
3
HOH
HOH
257
A
HOH
258
3
HOH
HOH
258
A
HOH
259
3
HOH
HOH
259
A
HOH
260
3
HOH
HOH
260
A
HOH
261
3
HOH
HOH
261
A
HOH
262
3
HOH
HOH
262
A
HOH
263
3
HOH
HOH
263
A
HOH
264
3
HOH
HOH
264
A
HOH
265
3
HOH
HOH
265
A
HOH
266
3
HOH
HOH
266
A
HOH
267
3
HOH
HOH
267
A
HOH
268
3
HOH
HOH
268
A
HOH
269
3
HOH
HOH
269
A
HOH
270
3
HOH
HOH
270
A
HOH
271
3
HOH
HOH
271
A
HOH
272
3
HOH
HOH
272
A
HOH
273
3
HOH
HOH
273
A
HOH
274
3
HOH
HOH
274
A
HOH
275
3
HOH
HOH
275
A
HOH
276
3
HOH
HOH
276
A
HOH
277
3
HOH
HOH
277
A
HOH
278
3
HOH
HOH
278
A
HOH
279
3
HOH
HOH
279
A
HOH
280
3
HOH
HOH
280
A
HOH
281
3
HOH
HOH
281
A
ALA
1
n
1
ALA
1
A
LEU
2
n
2
LEU
2
A
TRP
3
n
3
TRP
3
A
GLN
4
n
4
GLN
4
A
PHE
5
n
5
PHE
5
A
ASN
6
n
6
ASN
6
A
GLY
7
n
7
GLY
7
A
MET
8
n
8
MET
8
A
ILE
9
n
9
ILE
9
A
LYS
10
n
10
LYS
10
A
CYS
11
n
11
CYS
11
A
LYS
12
n
12
LYS
12
A
ILE
13
n
13
ILE
13
A
PRO
14
n
14
PRO
14
A
SER
15
n
15
SER
15
A
SER
16
n
16
SER
16
A
GLU
17
n
17
GLU
17
A
PRO
18
n
18
PRO
18
A
LEU
19
n
19
LEU
19
A
LEU
20
n
20
LEU
20
A
ASP
21
n
21
ASP
21
A
PHE
22
n
22
PHE
22
A
ASN
23
n
23
ASN
23
A
ASN
24
n
24
ASN
24
A
TYR
25
n
25
TYR
25
A
GLY
26
n
26
GLY
26
A
CYS
27
n
27
CYS
27
A
TYR
28
n
28
TYR
28
A
CYS
29
n
29
CYS
29
A
GLY
30
n
30
GLY
30
A
LEU
31
n
31
LEU
31
A
GLY
32
n
32
GLY
32
A
GLY
33
n
33
GLY
33
A
SER
34
n
34
SER
34
A
GLY
35
n
35
GLY
35
A
THR
36
n
36
THR
36
A
PRO
37
n
37
PRO
37
A
VAL
38
n
38
VAL
38
A
ASP
39
n
39
ASP
39
A
ASP
40
n
40
ASP
40
A
LEU
41
n
41
LEU
41
A
ASP
42
n
42
ASP
42
A
ARG
43
n
43
ARG
43
A
CYS
44
n
44
CYS
44
A
CYS
45
n
45
CYS
45
A
GLN
46
n
46
GLN
46
A
THR
47
n
47
THR
47
A
HIS
48
n
48
HIS
48
A
ASP
49
n
49
ASP
49
A
ASN
50
n
50
ASN
50
A
CYS
51
n
51
CYS
51
A
TYR
52
n
52
TYR
52
A
LYS
53
n
53
LYS
53
A
GLN
54
n
54
GLN
54
A
ALA
55
n
55
ALA
55
A
LYS
56
n
56
LYS
56
A
LYS
57
n
57
LYS
57
A
LEU
58
n
58
LEU
58
A
ASP
59
n
59
ASP
59
A
SER
60
n
60
SER
60
A
CYS
61
n
61
CYS
61
A
LYS
62
n
62
LYS
62
A
VAL
63
n
63
VAL
63
A
LEU
64
n
64
LEU
64
A
VAL
65
n
65
VAL
65
A
ASP
66
n
66
ASP
66
A
ASN
67
n
67
ASN
67
A
PRO
68
n
68
PRO
68
A
TYR
69
n
69
TYR
69
A
THR
70
n
70
THR
70
A
ASN
71
n
71
ASN
71
A
ASN
72
n
72
ASN
72
A
TYR
73
n
73
TYR
73
A
SER
74
n
74
SER
74
A
TYR
75
n
75
TYR
75
A
SER
76
n
76
SER
76
A
CYS
77
n
77
CYS
77
A
SER
78
n
78
SER
78
A
ASN
79
n
79
ASN
79
A
ASN
80
n
80
ASN
80
A
GLU
81
n
81
GLU
81
A
ILE
82
n
82
ILE
82
A
THR
83
n
83
THR
83
A
CYS
84
n
84
CYS
84
A
SER
85
n
85
SER
85
A
SER
86
n
86
SER
86
A
GLU
87
n
87
GLU
87
A
ASN
88
n
88
ASN
88
A
ASN
89
n
89
ASN
89
A
ALA
90
n
90
ALA
90
A
CYS
91
n
91
CYS
91
A
GLU
92
n
92
GLU
92
A
ALA
93
n
93
ALA
93
A
PHE
94
n
94
PHE
94
A
ILE
95
n
95
ILE
95
A
CYS
96
n
96
CYS
96
A
ASN
97
n
97
ASN
97
A
CYS
98
n
98
CYS
98
A
ASN
99
n
99
ASN
99
A
ARG
100
n
100
ARG
100
A
ASN
101
n
101
ASN
101
A
ALA
102
n
102
ALA
102
A
ALA
103
n
103
ALA
103
A
ILE
104
n
104
ILE
104
A
CYS
105
n
105
CYS
105
A
PHE
106
n
106
PHE
106
A
SER
107
n
107
SER
107
A
LYS
108
n
108
LYS
108
A
VAL
109
n
109
VAL
109
A
PRO
110
n
110
PRO
110
A
TYR
111
n
111
TYR
111
A
ASN
112
n
112
ASN
112
A
LYS
113
n
113
LYS
113
A
GLU
114
n
114
GLU
114
A
HIS
115
n
115
HIS
115
A
LYS
116
n
116
LYS
116
A
ASN
117
n
117
ASN
117
A
LEU
118
n
118
LEU
118
A
ASP
119
n
119
ASP
119
A
LYS
120
n
120
LYS
120
A
LYS
121
n
121
LYS
121
A
ASN
122
n
122
ASN
122
A
CYS
123
n
123
CYS
123
A
author_defined_assembly
2
dimeric
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
204
C
O
HOH
1_555
76.5
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
TYR
28
A
O
TYR
28
1_555
94.5
A
HOH
204
C
O
HOH
1_555
A
CA
124
B
CA
CA
1_555
A
TYR
28
A
O
TYR
28
1_555
89.1
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
GLY
32
A
O
GLY
32
1_555
82.4
A
HOH
204
C
O
HOH
1_555
A
CA
124
B
CA
CA
1_555
A
GLY
32
A
O
GLY
32
1_555
158.9
A
TYR
28
A
O
TYR
28
1_555
A
CA
124
B
CA
CA
1_555
A
GLY
32
A
O
GLY
32
1_555
91.2
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD2
ASP
49
1_555
159.6
A
HOH
204
C
O
HOH
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD2
ASP
49
1_555
123.3
A
TYR
28
A
O
TYR
28
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD2
ASP
49
1_555
91.0
A
GLY
32
A
O
GLY
32
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD2
ASP
49
1_555
77.8
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
145.9
A
HOH
204
C
O
HOH
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
74.5
A
TYR
28
A
O
TYR
28
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
102.5
A
GLY
32
A
O
GLY
32
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
125.9
A
ASP
49
A
OD2
ASP
49
1_555
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
50.3
A
GLY
30
A
O
GLY
30
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
85.1
A
HOH
204
C
O
HOH
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
92.2
A
TYR
28
A
O
TYR
28
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
178.5
A
GLY
32
A
O
GLY
32
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
87.3
A
ASP
49
A
OD2
ASP
49
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
88.9
A
ASP
49
A
OD1
ASP
49
1_555
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
78.6
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
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
5_556
x-y,-y,-z+5/3
crystal symmetry operation
0.0000000000
0.0000000000
170.1666666667
A
N
SER
78
A
N
SER
78
A
O
GLU
81
A
O
GLU
81
1
A
ARG
43
0.083
SIDE CHAIN
1
A
TYR
52
0.068
SIDE CHAIN
1
A
TYR
75
0.067
SIDE CHAIN
1
7.04
0.80
106.30
113.34
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
3
3
3
N
1
-6.42
0.80
107.30
100.88
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
3
3
3
N
1
3.00
0.50
120.30
123.30
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
43
43
43
N
1
-4.60
0.60
121.00
116.40
A
A
A
CB
CG
CD2
TYR
TYR
TYR
52
52
52
N
1
A
VAL
63
-76.64
25.24
1
A
TYR
69
-74.68
24.82
1
A
TYR
73
-123.68
-168.30
1
A
ASP
119
-53.80
100.98
1
A
LYS
120
-49.52
8.28
1
A
ASN
122
108.96
98.25
27.6
0.185
0.185
1.9
6.5
8870
87.6
1
3.
0.2
1.9
6.5
81
1039
1
0
957
1CEH
10307
1
98.7
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
PHOSPHOLIPASE A2 (PLA2) (E.C.3.1.1.4) MUTANT WITH ASP 99 REPLACED BY ASN (D99N)
STRUCTURE AND FUNCTION OF THE CATALYTIC SITE MUTANT ASP99ASN OF PHOSPHOLIPASE A2: ABSENCE OF CONSERVED STRUCTURAL WATER
1
N
N
2
N
N
3
N
N
A
ALA
1
A
ALA
1
HELX_P
A
ILE
13
A
ILE
13
1
1
13
A
GLU
17
A
GLU
17
HELX_P
A
PHE
22
A
PHE
22
1
2
6
A
ASP
39
A
ASP
39
HELX_P
A
LYS
57
A
LYS
57
1
3
19
A
LEU
58
A
LEU
58
HELX_P
A
VAL
63
A
VAL
63
1
4
6
A
ASN
67
A
ASN
67
HELX_P
A
ASN
71
A
ASN
71
5
5
5
A
ASN
89
A
ASN
89
HELX_P
A
VAL
109
A
VAL
109
1
6
21
A
ASN
112
A
ASN
112
HELX_P
A
HIS
115
A
HIS
115
5
7
4
disulf
2.017
A
CYS
11
A
SG
CYS
11
1_555
A
CYS
77
A
SG
CYS
77
1_555
disulf
2.021
A
CYS
27
A
SG
CYS
27
1_555
A
CYS
123
A
SG
CYS
123
1_555
disulf
2.006
A
CYS
29
A
SG
CYS
29
1_555
A
CYS
45
A
SG
CYS
45
1_555
disulf
2.021
A
CYS
44
A
SG
CYS
44
1_555
A
CYS
105
A
SG
CYS
105
1_555
disulf
2.002
A
CYS
51
A
SG
CYS
51
1_555
A
CYS
98
A
SG
CYS
98
1_555
disulf
2.013
A
CYS
61
A
SG
CYS
61
1_555
A
CYS
91
A
SG
CYS
91
1_555
disulf
2.016
A
CYS
84
A
SG
CYS
84
1_555
A
CYS
96
A
SG
CYS
96
1_555
metalc
2.066
A
CA
124
B
CA
CA
1_555
A
GLY
30
A
O
GLY
30
1_555
metalc
2.530
A
CA
124
B
CA
CA
1_555
A
HOH
204
C
O
HOH
1_555
metalc
1.868
A
CA
124
B
CA
CA
1_555
A
TYR
28
A
O
TYR
28
1_555
metalc
1.958
A
CA
124
B
CA
CA
1_555
A
GLY
32
A
O
GLY
32
1_555
metalc
2.433
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD2
ASP
49
1_555
metalc
2.602
A
CA
124
B
CA
CA
1_555
A
ASP
49
A
OD1
ASP
49
1_555
metalc
2.333
A
CA
124
B
CA
CA
1_555
A
HOH
238
C
O
HOH
1_555
HYDROLASE (CARBOXYLIC ESTER)
HYDROLASE (CARBOXYLIC ESTER)
PA21B_BOVIN
UNP
1
1
P00593
MRLLVLAALLTVGAGQAGLNSRALWQFNGMIKCKIPSSEPLLDFNNYGCYCGLGGSGTPVDDLDRCCQTHDNCYKQAKKL
DSCKVLVDNPYTNNYSYSCSNNEITCSSENNACEAFICNCDRNAAICFSKVPYNKEHKNLDKKNC
23
145
1CEH
1
123
P00593
A
1
1
123
1
ASP
CONFLICT
ASN
99
1CEH
A
P00593
UNP
121
99
2
anti-parallel
A
TYR
75
A
TYR
75
A
SER
78
A
SER
78
A
GLU
81
A
GLU
81
A
CYS
84
A
CYS
84
BINDING SITE FOR RESIDUE CA A 124
Software
6
A
TYR
28
A
TYR
28
6
1_555
A
GLY
30
A
GLY
30
6
1_555
A
GLY
32
A
GLY
32
6
1_555
A
ASP
49
A
ASP
49
6
1_555
A
HOH
204
C
HOH
6
1_555
A
HOH
238
C
HOH
6
1_555
152
P 31 2 1