0.017458
0.000000
0.000000
0.000000
0.011234
0.000000
0.000000
0.000000
0.020461
0.00000
0.00000
0.00000
Armstrong, N.
Gouaux, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
57.279
89.014
48.873
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
C10 H15 N O4
213.230
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE
KAINATE
non-polymer
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
Neuron
NERNET
2038
0896-6273
28
165
181
10.1016/S0896-6273(00)00094-5
11086992
Mechanisms for activation and antagonism of an AMPA-sensitive glutamate receptor: crystal structures of the GluR2 ligand binding core.
2000
US
Protein Sci.
PRCIEI
0795
0961-8368
7
2623
2630
Probing the ligand binding domain of the GluR2 receptor by proteolysis and deletion mutagenesis defines domain boundaries and yields a crystallizable construct
1998
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
110
1
IMAGE PLATE
1999-11-20
RIGAKU RAXIS IV
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
29221.682
GLUTAMATE RECEPTOR SUBUNIT 2
LIGAND BINDING CORE (S1S2J)
1
man
polymer
213.230
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE
1
syn
non-polymer
18.015
water
78
nat
water
GLUR-2
no
no
GANKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVY
GKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKGTPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWT
YMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLK
LNEQGLLDKLKNKWWYDKGECGS
GANKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVY
GKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKGTPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWT
YMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLK
LNEQGLLDKLKNKWWYDKGECGS
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
Norway rat
Rattus
Escherichia
sample
3
117
10116
BRAIN
Rattus norvegicus
562
Escherichia coli
PET30B
VECTOR
Norway rat
Rattus
Escherichia
sample
120
263
10116
BRAIN
Rattus norvegicus
562
Escherichia coli
PET30B
VECTOR
1
2.13
42.29
VAPOR DIFFUSION, HANGING DROP
5.0
10% PEG 1450, 0.1 M sodium acetate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 274K
274
entity_src_gen
software
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Source and taxonomy
1
0
2000-11-15
1
1
2008-04-01
1
2
2011-07-13
1
3
2017-08-02
GluR2 S1S2I in Complex with Kainate
GluR2 S1S2J in Complex with Glutamate
GluR2 S1S2I in Complex with Kainate
GluR2 S1S2J in Complex with DNQX
GluR2 S1S2J in Complex with AMPA
GluR2 S1S2J in the Apo State
RCSB
Y
RCSB
2000-09-20
REL
KAI
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE
HOH
water
KAI
999
2
KAI
KAI
999
A
TIP
1
3
HOH
HOH
1000
A
TIP
2
3
HOH
HOH
1001
A
TIP
3
3
HOH
HOH
1002
A
TIP
4
3
HOH
HOH
1003
A
TIP
5
3
HOH
HOH
1004
A
TIP
6
3
HOH
HOH
1005
A
TIP
7
3
HOH
HOH
1006
A
TIP
8
3
HOH
HOH
1007
A
TIP
9
3
HOH
HOH
1008
A
TIP
10
3
HOH
HOH
1009
A
TIP
11
3
HOH
HOH
1010
A
TIP
12
3
HOH
HOH
1011
A
TIP
13
3
HOH
HOH
1012
A
TIP
14
3
HOH
HOH
1013
A
TIP
15
3
HOH
HOH
1014
A
TIP
16
3
HOH
HOH
1015
A
TIP
17
3
HOH
HOH
1016
A
TIP
18
3
HOH
HOH
1017
A
TIP
19
3
HOH
HOH
1018
A
TIP
20
3
HOH
HOH
1019
A
TIP
21
3
HOH
HOH
1020
A
TIP
22
3
HOH
HOH
1021
A
TIP
23
3
HOH
HOH
1022
A
TIP
24
3
HOH
HOH
1023
A
TIP
25
3
HOH
HOH
1024
A
TIP
26
3
HOH
HOH
1025
A
TIP
27
3
HOH
HOH
1026
A
TIP
28
3
HOH
HOH
1027
A
TIP
29
3
HOH
HOH
1028
A
TIP
30
3
HOH
HOH
1029
A
TIP
31
3
HOH
HOH
1030
A
TIP
32
3
HOH
HOH
1031
A
TIP
33
3
HOH
HOH
1032
A
TIP
34
3
HOH
HOH
1033
A
TIP
35
3
HOH
HOH
1034
A
TIP
36
3
HOH
HOH
1035
A
TIP
37
3
HOH
HOH
1036
A
TIP
38
3
HOH
HOH
1037
A
TIP
39
3
HOH
HOH
1038
A
TIP
40
3
HOH
HOH
1039
A
TIP
41
3
HOH
HOH
1040
A
TIP
43
3
HOH
HOH
1041
A
TIP
44
3
HOH
HOH
1042
A
TIP
45
3
HOH
HOH
1043
A
TIP
46
3
HOH
HOH
1044
A
TIP
47
3
HOH
HOH
1045
A
TIP
48
3
HOH
HOH
1046
A
TIP
49
3
HOH
HOH
1047
A
TIP
50
3
HOH
HOH
1048
A
TIP
51
3
HOH
HOH
1049
A
TIP
52
3
HOH
HOH
1050
A
TIP
53
3
HOH
HOH
1051
A
TIP
55
3
HOH
HOH
1052
A
TIP
57
3
HOH
HOH
1053
A
TIP
60
3
HOH
HOH
1054
A
TIP
62
3
HOH
HOH
1055
A
TIP
63
3
HOH
HOH
1056
A
TIP
64
3
HOH
HOH
1057
A
TIP
65
3
HOH
HOH
1058
A
TIP
67
3
HOH
HOH
1059
A
TIP
69
3
HOH
HOH
1060
A
TIP
70
3
HOH
HOH
1061
A
TIP
73
3
HOH
HOH
1062
A
TIP
74
3
HOH
HOH
1063
A
TIP
75
3
HOH
HOH
1064
A
TIP
76
3
HOH
HOH
1065
A
TIP
77
3
HOH
HOH
1066
A
TIP
78
3
HOH
HOH
1067
A
TIP
79
3
HOH
HOH
1068
A
TIP
80
3
HOH
HOH
1069
A
TIP
81
3
HOH
HOH
1070
A
TIP
82
3
HOH
HOH
1071
A
TIP
83
3
HOH
HOH
1072
A
TIP
84
3
HOH
HOH
1073
A
TIP
85
3
HOH
HOH
1074
A
TIP
86
3
HOH
HOH
1075
A
TIP
87
3
HOH
HOH
1076
A
TIP
88
3
HOH
HOH
1077
A
n
1
1
A
n
2
2
A
n
3
3
A
LYS
4
n
4
LYS
4
A
THR
5
n
5
THR
5
A
VAL
6
n
6
VAL
6
A
VAL
7
n
7
VAL
7
A
VAL
8
n
8
VAL
8
A
THR
9
n
9
THR
9
A
THR
10
n
10
THR
10
A
ILE
11
n
11
ILE
11
A
LEU
12
n
12
LEU
12
A
GLU
13
n
13
GLU
13
A
SER
14
n
14
SER
14
A
PRO
15
n
15
PRO
15
A
TYR
16
n
16
TYR
16
A
VAL
17
n
17
VAL
17
A
MET
18
n
18
MET
18
A
MET
19
n
19
MET
19
A
LYS
20
n
20
LYS
20
A
LYS
21
n
21
LYS
21
A
ASN
22
n
22
ASN
22
A
HIS
23
n
23
HIS
23
A
GLU
24
n
24
GLU
24
A
MET
25
n
25
MET
25
A
LEU
26
n
26
LEU
26
A
GLU
27
n
27
GLU
27
A
GLY
28
n
28
GLY
28
A
ASN
29
n
29
ASN
29
A
GLU
30
n
30
GLU
30
A
ARG
31
n
31
ARG
31
A
TYR
32
n
32
TYR
32
A
GLU
33
n
33
GLU
33
A
GLY
34
n
34
GLY
34
A
TYR
35
n
35
TYR
35
A
CYS
36
n
36
CYS
36
A
VAL
37
n
37
VAL
37
A
ASP
38
n
38
ASP
38
A
LEU
39
n
39
LEU
39
A
ALA
40
n
40
ALA
40
A
ALA
41
n
41
ALA
41
A
GLU
42
n
42
GLU
42
A
ILE
43
n
43
ILE
43
A
ALA
44
n
44
ALA
44
A
LYS
45
n
45
LYS
45
A
HIS
46
n
46
HIS
46
A
CYS
47
n
47
CYS
47
A
GLY
48
n
48
GLY
48
A
PHE
49
n
49
PHE
49
A
LYS
50
n
50
LYS
50
A
TYR
51
n
51
TYR
51
A
LYS
52
n
52
LYS
52
A
LEU
53
n
53
LEU
53
A
THR
54
n
54
THR
54
A
ILE
55
n
55
ILE
55
A
VAL
56
n
56
VAL
56
A
GLY
57
n
57
GLY
57
A
ASP
58
n
58
ASP
58
A
GLY
59
n
59
GLY
59
A
LYS
60
n
60
LYS
60
A
TYR
61
n
61
TYR
61
A
GLY
62
n
62
GLY
62
A
ALA
63
n
63
ALA
63
A
ARG
64
n
64
ARG
64
A
ASP
65
n
65
ASP
65
A
ALA
66
n
66
ALA
66
A
ASP
67
n
67
ASP
67
A
THR
68
n
68
THR
68
A
LYS
69
n
69
LYS
69
A
ILE
70
n
70
ILE
70
A
TRP
71
n
71
TRP
71
A
ASN
72
n
72
ASN
72
A
GLY
73
n
73
GLY
73
A
MET
74
n
74
MET
74
A
VAL
75
n
75
VAL
75
A
GLY
76
n
76
GLY
76
A
GLU
77
n
77
GLU
77
A
LEU
78
n
78
LEU
78
A
VAL
79
n
79
VAL
79
A
TYR
80
n
80
TYR
80
A
GLY
81
n
81
GLY
81
A
LYS
82
n
82
LYS
82
A
ALA
83
n
83
ALA
83
A
ASP
84
n
84
ASP
84
A
ILE
85
n
85
ILE
85
A
ALA
86
n
86
ALA
86
A
ILE
87
n
87
ILE
87
A
ALA
88
n
88
ALA
88
A
PRO
89
n
89
PRO
89
A
LEU
90
n
90
LEU
90
A
THR
91
n
91
THR
91
A
ILE
92
n
92
ILE
92
A
THR
93
n
93
THR
93
A
LEU
94
n
94
LEU
94
A
VAL
95
n
95
VAL
95
A
ARG
96
n
96
ARG
96
A
GLU
97
n
97
GLU
97
A
GLU
98
n
98
GLU
98
A
VAL
99
n
99
VAL
99
A
ILE
100
n
100
ILE
100
A
ASP
101
n
101
ASP
101
A
PHE
102
n
102
PHE
102
A
SER
103
n
103
SER
103
A
LYS
104
n
104
LYS
104
A
PRO
105
n
105
PRO
105
A
PHE
106
n
106
PHE
106
A
MET
107
n
107
MET
107
A
SER
108
n
108
SER
108
A
LEU
109
n
109
LEU
109
A
GLY
110
n
110
GLY
110
A
ILE
111
n
111
ILE
111
A
SER
112
n
112
SER
112
A
ILE
113
n
113
ILE
113
A
MET
114
n
114
MET
114
A
ILE
115
n
115
ILE
115
A
LYS
116
n
116
LYS
116
A
LYS
117
n
117
LYS
117
A
GLY
118
n
118
GLY
118
A
THR
119
n
119
THR
119
A
PRO
120
n
120
PRO
120
A
ILE
121
n
121
ILE
121
A
GLU
122
n
122
GLU
122
A
SER
123
n
123
SER
123
A
ALA
124
n
124
ALA
124
A
GLU
125
n
125
GLU
125
A
ASP
126
n
126
ASP
126
A
LEU
127
n
127
LEU
127
A
SER
128
n
128
SER
128
A
LYS
129
n
129
LYS
129
A
GLN
130
n
130
GLN
130
A
THR
131
n
131
THR
131
A
GLU
132
n
132
GLU
132
A
ILE
133
n
133
ILE
133
A
ALA
134
n
134
ALA
134
A
TYR
135
n
135
TYR
135
A
GLY
136
n
136
GLY
136
A
THR
137
n
137
THR
137
A
LEU
138
n
138
LEU
138
A
ASP
139
n
139
ASP
139
A
SER
140
n
140
SER
140
A
GLY
141
n
141
GLY
141
A
SER
142
n
142
SER
142
A
THR
143
n
143
THR
143
A
LYS
144
n
144
LYS
144
A
GLU
145
n
145
GLU
145
A
PHE
146
n
146
PHE
146
A
PHE
147
n
147
PHE
147
A
ARG
148
n
148
ARG
148
A
ARG
149
n
149
ARG
149
A
SER
150
n
150
SER
150
A
LYS
151
n
151
LYS
151
A
ILE
152
n
152
ILE
152
A
ALA
153
n
153
ALA
153
A
VAL
154
n
154
VAL
154
A
PHE
155
n
155
PHE
155
A
ASP
156
n
156
ASP
156
A
LYS
157
n
157
LYS
157
A
MET
158
n
158
MET
158
A
TRP
159
n
159
TRP
159
A
THR
160
n
160
THR
160
A
TYR
161
n
161
TYR
161
A
MET
162
n
162
MET
162
A
ARG
163
n
163
ARG
163
A
SER
164
n
164
SER
164
A
ALA
165
n
165
ALA
165
A
GLU
166
n
166
GLU
166
A
PRO
167
n
167
PRO
167
A
SER
168
n
168
SER
168
A
VAL
169
n
169
VAL
169
A
PHE
170
n
170
PHE
170
A
VAL
171
n
171
VAL
171
A
ARG
172
n
172
ARG
172
A
THR
173
n
173
THR
173
A
THR
174
n
174
THR
174
A
ALA
175
n
175
ALA
175
A
GLU
176
n
176
GLU
176
A
GLY
177
n
177
GLY
177
A
VAL
178
n
178
VAL
178
A
ALA
179
n
179
ALA
179
A
ARG
180
n
180
ARG
180
A
VAL
181
n
181
VAL
181
A
ARG
182
n
182
ARG
182
A
LYS
183
n
183
LYS
183
A
SER
184
n
184
SER
184
A
LYS
185
n
185
LYS
185
A
GLY
186
n
186
GLY
186
A
LYS
187
n
187
LYS
187
A
TYR
188
n
188
TYR
188
A
ALA
189
n
189
ALA
189
A
TYR
190
n
190
TYR
190
A
LEU
191
n
191
LEU
191
A
LEU
192
n
192
LEU
192
A
GLU
193
n
193
GLU
193
A
SER
194
n
194
SER
194
A
THR
195
n
195
THR
195
A
MET
196
n
196
MET
196
A
ASN
197
n
197
ASN
197
A
GLU
198
n
198
GLU
198
A
TYR
199
n
199
TYR
199
A
ILE
200
n
200
ILE
200
A
GLU
201
n
201
GLU
201
A
GLN
202
n
202
GLN
202
A
ARG
203
n
203
ARG
203
A
LYS
204
n
204
LYS
204
A
PRO
205
n
205
PRO
205
A
CYS
206
n
206
CYS
206
A
ASP
207
n
207
ASP
207
A
THR
208
n
208
THR
208
A
MET
209
n
209
MET
209
A
LYS
210
n
210
LYS
210
A
VAL
211
n
211
VAL
211
A
GLY
212
n
212
GLY
212
A
GLY
213
n
213
GLY
213
A
ASN
214
n
214
ASN
214
A
LEU
215
n
215
LEU
215
A
ASP
216
n
216
ASP
216
A
SER
217
n
217
SER
217
A
LYS
218
n
218
LYS
218
A
GLY
219
n
219
GLY
219
A
TYR
220
n
220
TYR
220
A
GLY
221
n
221
GLY
221
A
ILE
222
n
222
ILE
222
A
ALA
223
n
223
ALA
223
A
THR
224
n
224
THR
224
A
PRO
225
n
225
PRO
225
A
LYS
226
n
226
LYS
226
A
GLY
227
n
227
GLY
227
A
SER
228
n
228
SER
228
A
SER
229
n
229
SER
229
A
LEU
230
n
230
LEU
230
A
GLY
231
n
231
GLY
231
A
ASN
232
n
232
ASN
232
A
ALA
233
n
233
ALA
233
A
VAL
234
n
234
VAL
234
A
ASN
235
n
235
ASN
235
A
LEU
236
n
236
LEU
236
A
ALA
237
n
237
ALA
237
A
VAL
238
n
238
VAL
238
A
LEU
239
n
239
LEU
239
A
LYS
240
n
240
LYS
240
A
LEU
241
n
241
LEU
241
A
ASN
242
n
242
ASN
242
A
GLU
243
n
243
GLU
243
A
GLN
244
n
244
GLN
244
A
GLY
245
n
245
GLY
245
A
LEU
246
n
246
LEU
246
A
LEU
247
n
247
LEU
247
A
ASP
248
n
248
ASP
248
A
LYS
249
n
249
LYS
249
A
LEU
250
n
250
LEU
250
A
LYS
251
n
251
LYS
251
A
ASN
252
n
252
ASN
252
A
LYS
253
n
253
LYS
253
A
TRP
254
n
254
TRP
254
A
TRP
255
n
255
TRP
255
A
TYR
256
n
256
TYR
256
A
ASP
257
n
257
ASP
257
A
LYS
258
n
258
LYS
258
A
GLY
259
n
259
GLY
259
A
GLU
260
n
260
GLU
260
A
CYS
261
n
261
CYS
261
A
n
262
262
A
n
263
263
A
author_defined_assembly
1
monomeric
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
LYS
52
A
N
LYS
52
A
O
VAL
6
A
O
VAL
6
A
N
THR
9
A
N
THR
9
A
O
ILE
85
A
O
ILE
85
A
O
MET
18
A
O
MET
18
A
N
GLU
33
A
N
GLU
33
A
N
ASP
101
A
N
ASP
101
A
O
THR
224
A
O
THR
224
A
O
LEU
109
A
O
LEU
109
A
N
LYS
218
A
N
LYS
218
A
O
ALA
134
A
O
ALA
134
A
N
ALA
189
A
N
ALA
189
A
O
LEU
192
A
O
LEU
192
A
N
SER
112
A
N
SER
112
A
N
ILE
115
A
N
ILE
115
A
O
MET
209
A
O
MET
209
1
A
CB
LYS
4
A
CB
LYS
4
1
Y
1
A
CG
LYS
4
A
CG
LYS
4
1
Y
1
A
CD
LYS
4
A
CD
LYS
4
1
Y
1
A
CE
LYS
4
A
CE
LYS
4
1
Y
1
A
NZ
LYS
4
A
NZ
LYS
4
1
Y
1
A
CB
LYS
21
A
CB
LYS
21
1
Y
1
A
CG
LYS
21
A
CG
LYS
21
1
Y
1
A
CD
LYS
21
A
CD
LYS
21
1
Y
1
A
CE
LYS
21
A
CE
LYS
21
1
Y
1
A
NZ
LYS
21
A
NZ
LYS
21
1
Y
1
A
CG
ASN
22
A
CG
ASN
22
1
Y
1
A
OD1
ASN
22
A
OD1
ASN
22
1
Y
1
A
ND2
ASN
22
A
ND2
ASN
22
1
Y
1
A
CB
GLU
24
A
CB
GLU
24
1
Y
1
A
CG
GLU
24
A
CG
GLU
24
1
Y
1
A
CD
GLU
24
A
CD
GLU
24
1
Y
1
A
OE1
GLU
24
A
OE1
GLU
24
1
Y
1
A
OE2
GLU
24
A
OE2
GLU
24
1
Y
1
A
CB
GLU
27
A
CB
GLU
27
1
Y
1
A
CG
GLU
27
A
CG
GLU
27
1
Y
1
A
CD
GLU
27
A
CD
GLU
27
1
Y
1
A
OE1
GLU
27
A
OE1
GLU
27
1
Y
1
A
OE2
GLU
27
A
OE2
GLU
27
1
Y
1
A
CB
GLU
30
A
CB
GLU
30
1
Y
1
A
CG
GLU
30
A
CG
GLU
30
1
Y
1
A
CD
GLU
30
A
CD
GLU
30
1
Y
1
A
OE1
GLU
30
A
OE1
GLU
30
1
Y
1
A
OE2
GLU
30
A
OE2
GLU
30
1
Y
1
A
CG
LYS
50
A
CG
LYS
50
1
Y
1
A
CD
LYS
50
A
CD
LYS
50
1
Y
1
A
CE
LYS
50
A
CE
LYS
50
1
Y
1
A
NZ
LYS
50
A
NZ
LYS
50
1
Y
1
A
CG
LYS
52
A
CG
LYS
52
1
Y
1
A
CD
LYS
52
A
CD
LYS
52
1
Y
1
A
CE
LYS
52
A
CE
LYS
52
1
Y
1
A
NZ
LYS
52
A
NZ
LYS
52
1
Y
1
A
CG
ASP
65
A
CG
ASP
65
1
Y
1
A
OD1
ASP
65
A
OD1
ASP
65
1
Y
1
A
OD2
ASP
65
A
OD2
ASP
65
1
Y
1
A
CB
ASP
67
A
CB
ASP
67
1
Y
1
A
CG
ASP
67
A
CG
ASP
67
1
Y
1
A
OD1
ASP
67
A
OD1
ASP
67
1
Y
1
A
OD2
ASP
67
A
OD2
ASP
67
1
Y
1
A
CG
LYS
82
A
CG
LYS
82
1
Y
1
A
CD
LYS
82
A
CD
LYS
82
1
Y
1
A
CE
LYS
82
A
CE
LYS
82
1
Y
1
A
NZ
LYS
82
A
NZ
LYS
82
1
Y
1
A
CB
GLU
122
A
CB
GLU
122
1
Y
1
A
CG
GLU
122
A
CG
GLU
122
1
Y
1
A
CD
GLU
122
A
CD
GLU
122
1
Y
1
A
OE1
GLU
122
A
OE1
GLU
122
1
Y
1
A
OE2
GLU
122
A
OE2
GLU
122
1
Y
1
A
CB
GLU
125
A
CB
GLU
125
1
Y
1
A
CG
GLU
125
A
CG
GLU
125
1
Y
1
A
CD
GLU
125
A
CD
GLU
125
1
Y
1
A
OE1
GLU
125
A
OE1
GLU
125
1
Y
1
A
OE2
GLU
125
A
OE2
GLU
125
1
Y
1
A
CB
THR
131
A
CB
THR
131
1
Y
1
A
OG1
THR
131
A
OG1
THR
131
1
Y
1
A
CG2
THR
131
A
CG2
THR
131
1
Y
1
A
CB
GLU
132
A
CB
GLU
132
1
Y
1
A
CG
GLU
132
A
CG
GLU
132
1
Y
1
A
CD
GLU
132
A
CD
GLU
132
1
Y
1
A
OE1
GLU
132
A
OE1
GLU
132
1
Y
1
A
OE2
GLU
132
A
OE2
GLU
132
1
Y
1
A
CB
ILE
133
A
CB
ILE
133
1
Y
1
A
CG1
ILE
133
A
CG1
ILE
133
1
Y
1
A
CG2
ILE
133
A
CG2
ILE
133
1
Y
1
A
CD1
ILE
133
A
CD1
ILE
133
1
Y
1
A
CG
ARG
149
A
CG
ARG
149
1
Y
1
A
CD
ARG
149
A
CD
ARG
149
1
Y
1
A
NE
ARG
149
A
NE
ARG
149
1
Y
1
A
CZ
ARG
149
A
CZ
ARG
149
1
Y
1
A
NH1
ARG
149
A
NH1
ARG
149
1
Y
1
A
NH2
ARG
149
A
NH2
ARG
149
1
Y
1
A
CG
LYS
151
A
CG
LYS
151
1
Y
1
A
CD
LYS
151
A
CD
LYS
151
1
Y
1
A
CE
LYS
151
A
CE
LYS
151
1
Y
1
A
NZ
LYS
151
A
NZ
LYS
151
1
Y
1
A
CB
ILE
152
A
CB
ILE
152
1
Y
1
A
CG1
ILE
152
A
CG1
ILE
152
1
Y
1
A
CG2
ILE
152
A
CG2
ILE
152
1
Y
1
A
CD1
ILE
152
A
CD1
ILE
152
1
Y
1
A
CB
ALA
153
A
CB
ALA
153
1
Y
1
A
CB
ASP
156
A
CB
ASP
156
1
Y
1
A
CG
ASP
156
A
CG
ASP
156
1
Y
1
A
OD1
ASP
156
A
OD1
ASP
156
1
Y
1
A
OD2
ASP
156
A
OD2
ASP
156
1
Y
1
A
CG
ARG
163
A
CG
ARG
163
1
Y
1
A
CD
ARG
163
A
CD
ARG
163
1
Y
1
A
NE
ARG
163
A
NE
ARG
163
1
Y
1
A
CZ
ARG
163
A
CZ
ARG
163
1
Y
1
A
NH1
ARG
163
A
NH1
ARG
163
1
Y
1
A
NH2
ARG
163
A
NH2
ARG
163
1
Y
1
A
CB
SER
164
A
CB
SER
164
1
Y
1
A
OG
SER
164
A
OG
SER
164
1
Y
1
A
CB
GLU
166
A
CB
GLU
166
1
Y
1
A
CG
GLU
166
A
CG
GLU
166
1
Y
1
A
CD
GLU
166
A
CD
GLU
166
1
Y
1
A
OE1
GLU
166
A
OE1
GLU
166
1
Y
1
A
OE2
GLU
166
A
OE2
GLU
166
1
Y
1
A
CB
SER
168
A
CB
SER
168
1
Y
1
A
OG
SER
168
A
OG
SER
168
1
Y
1
A
CG
ARG
172
A
CG
ARG
172
1
Y
1
A
CD
ARG
172
A
CD
ARG
172
1
Y
1
A
NE
ARG
172
A
NE
ARG
172
1
Y
1
A
CZ
ARG
172
A
CZ
ARG
172
1
Y
1
A
NH1
ARG
172
A
NH1
ARG
172
1
Y
1
A
NH2
ARG
172
A
NH2
ARG
172
1
Y
1
A
CG
LYS
183
A
CG
LYS
183
1
Y
1
A
CD
LYS
183
A
CD
LYS
183
1
Y
1
A
CE
LYS
183
A
CE
LYS
183
1
Y
1
A
NZ
LYS
183
A
NZ
LYS
183
1
Y
1
A
CB
SER
184
A
CB
SER
184
1
Y
1
A
OG
SER
184
A
OG
SER
184
1
Y
1
A
CB
LYS
185
A
CB
LYS
185
1
Y
1
A
CG
LYS
185
A
CG
LYS
185
1
Y
1
A
CD
LYS
185
A
CD
LYS
185
1
Y
1
A
CE
LYS
185
A
CE
LYS
185
1
Y
1
A
NZ
LYS
185
A
NZ
LYS
185
1
Y
1
A
CB
LYS
187
A
CB
LYS
187
1
Y
1
A
CG
LYS
187
A
CG
LYS
187
1
Y
1
A
CD
LYS
187
A
CD
LYS
187
1
Y
1
A
CE
LYS
187
A
CE
LYS
187
1
Y
1
A
NZ
LYS
187
A
NZ
LYS
187
1
Y
1
A
CG
LYS
226
A
CG
LYS
226
1
Y
1
A
CD
LYS
226
A
CD
LYS
226
1
Y
1
A
CE
LYS
226
A
CE
LYS
226
1
Y
1
A
NZ
LYS
226
A
NZ
LYS
226
1
Y
1
A
CB
LYS
258
A
CB
LYS
258
1
Y
1
A
CG
LYS
258
A
CG
LYS
258
1
Y
1
A
CD
LYS
258
A
CD
LYS
258
1
Y
1
A
CE
LYS
258
A
CE
LYS
258
1
Y
1
A
NZ
LYS
258
A
NZ
LYS
258
1
Y
1
A
O
CYS
261
A
O
CYS
261
1
Y
1
A
GLY
1
A
GLY
1
1
Y
1
A
ALA
2
A
ALA
2
1
Y
1
A
ASN
3
A
ASN
3
1
Y
1
A
GLY
262
A
GLY
262
1
Y
1
A
SER
263
A
SER
263
1
Y
1
9.56
1.50
119.30
128.86
A
A
A
C
N
CA
THR
PRO
PRO
119
120
120
Y
1
A
GLU
13
-170.78
124.00
1
A
TYR
61
-95.41
-65.73
1
A
LYS
69
58.87
17.77
1
A
PRO
120
-59.94
6.26
1
A
THR
131
-149.23
-12.26
1
A
ARG
149
-71.64
37.62
1
A
LYS
151
-148.10
34.01
1
A
ALA
153
-20.65
-71.29
1
A
ALA
165
-38.79
145.55
1
A
GLU
166
-60.60
-94.35
1
A
CYS
206
71.42
33.85
includes bulk solvent modeling
0.308
0.245
0.281
0.281
1.9
20.0
807
16766
16649
random
1
2.0
0.0
Engh & Huber
1.9
20.0
78
1976
15
0
1883
1.7
0.011
20.76
1.9
20.0
1FW0
20382
18725
0.0
1.0
0.033
1
29.4
5.15
92.0
0.137
1.90
1.97
1230
3.90
61.9
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
X-PLOR
3.851
GLUR2 LIGAND BINDING CORE (S1S2J)
CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH KAINATE AT 2.0 A RESOLUTION
1
N
N
2
N
N
3
N
N
A
LYS
21
A
LYS
21
HELX_P
A
LEU
26
A
LEU
26
5
1
6
A
GLU
27
A
GLU
27
HELX_P
A
GLU
30
A
GLU
30
5
2
4
A
GLY
34
A
GLY
34
HELX_P
A
GLY
48
A
GLY
48
1
3
15
A
ASN
72
A
ASN
72
HELX_P
A
TYR
80
A
TYR
80
1
4
9
A
THR
93
A
THR
93
HELX_P
A
GLU
98
A
GLU
98
1
5
6
A
SER
123
A
SER
123
HELX_P
A
LYS
129
A
LYS
129
1
6
7
A
GLY
141
A
GLY
141
HELX_P
A
ARG
149
A
ARG
149
1
7
9
A
ILE
152
A
ILE
152
HELX_P
A
ALA
165
A
ALA
165
1
8
14
A
THR
173
A
THR
173
HELX_P
A
SER
184
A
SER
184
1
9
12
A
SER
194
A
SER
194
HELX_P
A
GLU
201
A
GLU
201
1
10
8
A
LEU
230
A
LEU
230
HELX_P
A
GLN
244
A
GLN
244
1
11
15
A
GLY
245
A
GLY
245
HELX_P
A
TYR
256
A
TYR
256
1
12
12
disulf
2.156
A
CYS
206
A
SG
CYS
206
1_555
A
CYS
261
A
SG
CYS
261
1_555
MEMBRANE PROTEIN
Ionotropic Glutamate Receptor, GluR2, kainate, partial agonist, ligand binding domain, MEMBRANE PROTEIN
A
SER
14
A
SER
14
1
A
PRO
15
A
PRO
15
-0.54
A
LYS
204
A
LYS
204
1
A
PRO
205
A
PRO
205
0.26
GRIA2_RAT
UNP
1
P19491
413
527
1FW0
3
117
P19491
A
1
3
117
653
796
1FW0
120
263
P19491
A
1
120
263
1
Cloning Artifact
GLY
1
1FW0
A
P19491
UNP
1
1
Cloning Artifact
ALA
2
1FW0
A
P19491
UNP
2
1
Linker
GLY
118
1FW0
A
P19491
UNP
118
1
Linker
THR
119
1FW0
A
P19491
UNP
119
3
2
2
2
4
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
A
TYR
51
A
TYR
51
A
ILE
55
A
ILE
55
A
VAL
6
A
VAL
6
A
THR
10
A
THR
10
A
ILE
85
A
ILE
85
A
ALA
86
A
ALA
86
A
MET
18
A
MET
18
A
MET
19
A
MET
19
A
TYR
32
A
TYR
32
A
GLU
33
A
GLU
33
A
ILE
100
A
ILE
100
A
PHE
102
A
PHE
102
A
ALA
223
A
ALA
223
A
PRO
225
A
PRO
225
A
MET
107
A
MET
107
A
LEU
109
A
LEU
109
A
LYS
218
A
LYS
218
A
TYR
220
A
TYR
220
A
ALA
134
A
ALA
134
A
GLY
136
A
GLY
136
A
TYR
188
A
TYR
188
A
GLU
193
A
GLU
193
A
ILE
111
A
ILE
111
A
LYS
116
A
LYS
116
A
THR
208
A
THR
208
A
VAL
211
A
VAL
211
BINDING SITE FOR RESIDUE KAI A 999
Software
13
A
GLU
13
A
GLU
13
13
1_555
A
TYR
61
A
TYR
61
13
1_555
A
PRO
89
A
PRO
89
13
1_555
A
LEU
90
A
LEU
90
13
1_555
A
THR
91
A
THR
91
13
1_555
A
ARG
96
A
ARG
96
13
1_555
A
GLY
141
A
GLY
141
13
1_555
A
SER
142
A
SER
142
13
1_555
A
THR
143
A
THR
143
13
1_555
A
GLU
193
A
GLU
193
13
1_555
A
MET
196
A
MET
196
13
1_555
A
HOH
1001
C
HOH
13
1_555
A
HOH
1051
C
HOH
13
1_555
18
P 21 21 2