0.023063
0.000000
0.001124
0.000000
0.015843
0.000000
0.000000
0.000000
0.021587
0.00000
0.00000
0.00000
Gouaux, E.
Armstrong, N.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
92.79
90.00
43.360
63.120
46.380
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
CCD
1998-06-20
ADSC
SINGLE WAVELENGTH
M
x-ray
1
0.9184
1.0
14-BM-D
APS
0.9184
SYNCHROTRON
APS BEAMLINE 14-BM-D
30741.197
GLUTAMATE RECEPTOR SUBUNIT 2
LIGAND BINDING CORE, S1S2I
1
man
polymer
213.230
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE
1
syn
non-polymer
18.015
water
250
nat
water
GLUR-2
no
no
GSAMGSGNDTSGLENKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADT
KIWNGMVGELVYGKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKPGTDGNPIESAEDLSKQTEIAYGTLDSGSTK
EFFRRSKIAVFDKMWTYMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIAT
PKGSSLGNAVNLAVLKLNEQGLLDKLKNKWWYDKGECGS
GSAMGSGNDTSGLENKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADT
KIWNGMVGELVYGKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKPGTDGNPIESAEDLSKQTEIAYGTLDSGSTK
EFFRRSKIAVFDKMWTYMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIAT
PKGSSLGNAVNLAVLKLNEQGLLDKLKNKWWYDKGECGS
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Norway rat
Rattus
Escherichia
sample
6
130
10116
BRAIN
Rattus norvegicus
562
Escherichia coli
PET30B
PLASMID
Norway rat
Rattus
Escherichia
sample
136
279
10116
BRAIN
Rattus norvegicus
562
Escherichia coli
PET30B
PLASMID
1
2.06
40.34
VAPOR DIFFUSION, HANGING DROP
6.5
15% PEG 8000
50 mM potassium phosphate
, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
277
entity_src_gen
pdbx_unobs_or_zero_occ_atoms
software
repository
Initial release
Version format compliance
Version format compliance
Advisory
Refinement description
Source and taxonomy
1
0
2000-11-01
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-08-02
This structure was determined at a
lower resolution and at a lower pH with the same S1S2I construct.
GluR2 Ligand Binding Core (S1S2J)
in Complex with Glutamate
GluR2 Ligand Binding Core (S1S2J) in Complex with the Antagonist DNQX
GluR2 Ligand Binding Core (S1S2J) in Complex with AMPA
GluR2 Ligand Binding Core (S1S2J) in the Apo State
GluR2 Ligand Binding Core (S1S2J) in Complex with Kainate
RCSB
Y
RCSB
2000-09-12
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
42
3
HOH
HOH
1041
A
TIP
43
3
HOH
HOH
1042
A
TIP
44
3
HOH
HOH
1043
A
TIP
45
3
HOH
HOH
1044
A
TIP
46
3
HOH
HOH
1045
A
TIP
47
3
HOH
HOH
1046
A
TIP
48
3
HOH
HOH
1047
A
TIP
49
3
HOH
HOH
1048
A
TIP
50
3
HOH
HOH
1049
A
TIP
51
3
HOH
HOH
1050
A
TIP
52
3
HOH
HOH
1051
A
TIP
53
3
HOH
HOH
1052
A
TIP
54
3
HOH
HOH
1053
A
TIP
55
3
HOH
HOH
1054
A
TIP
56
3
HOH
HOH
1055
A
TIP
57
3
HOH
HOH
1056
A
TIP
58
3
HOH
HOH
1057
A
TIP
59
3
HOH
HOH
1058
A
TIP
60
3
HOH
HOH
1059
A
TIP
61
3
HOH
HOH
1060
A
TIP
62
3
HOH
HOH
1061
A
TIP
63
3
HOH
HOH
1062
A
TIP
64
3
HOH
HOH
1063
A
TIP
65
3
HOH
HOH
1064
A
TIP
66
3
HOH
HOH
1065
A
TIP
67
3
HOH
HOH
1066
A
TIP
68
3
HOH
HOH
1067
A
TIP
69
3
HOH
HOH
1068
A
TIP
70
3
HOH
HOH
1069
A
TIP
71
3
HOH
HOH
1070
A
TIP
72
3
HOH
HOH
1071
A
TIP
73
3
HOH
HOH
1072
A
TIP
74
3
HOH
HOH
1073
A
TIP
75
3
HOH
HOH
1074
A
TIP
76
3
HOH
HOH
1075
A
TIP
77
3
HOH
HOH
1076
A
TIP
78
3
HOH
HOH
1077
A
TIP
79
3
HOH
HOH
1078
A
TIP
80
3
HOH
HOH
1079
A
TIP
81
3
HOH
HOH
1080
A
TIP
82
3
HOH
HOH
1081
A
TIP
83
3
HOH
HOH
1082
A
TIP
84
3
HOH
HOH
1083
A
TIP
85
3
HOH
HOH
1084
A
TIP
86
3
HOH
HOH
1085
A
TIP
87
3
HOH
HOH
1086
A
TIP
88
3
HOH
HOH
1087
A
TIP
89
3
HOH
HOH
1088
A
TIP
90
3
HOH
HOH
1089
A
TIP
91
3
HOH
HOH
1090
A
TIP
92
3
HOH
HOH
1091
A
TIP
93
3
HOH
HOH
1092
A
TIP
94
3
HOH
HOH
1093
A
TIP
95
3
HOH
HOH
1094
A
TIP
96
3
HOH
HOH
1095
A
TIP
97
3
HOH
HOH
1096
A
TIP
98
3
HOH
HOH
1097
A
TIP
99
3
HOH
HOH
1098
A
TIP
100
3
HOH
HOH
1099
A
TIP
101
3
HOH
HOH
1100
A
TIP
102
3
HOH
HOH
1101
A
TIP
103
3
HOH
HOH
1102
A
TIP
104
3
HOH
HOH
1103
A
TIP
105
3
HOH
HOH
1104
A
TIP
106
3
HOH
HOH
1105
A
TIP
107
3
HOH
HOH
1106
A
TIP
108
3
HOH
HOH
1107
A
TIP
109
3
HOH
HOH
1108
A
TIP
110
3
HOH
HOH
1109
A
TIP
111
3
HOH
HOH
1110
A
TIP
112
3
HOH
HOH
1111
A
TIP
113
3
HOH
HOH
1112
A
TIP
114
3
HOH
HOH
1113
A
TIP
115
3
HOH
HOH
1114
A
TIP
116
3
HOH
HOH
1115
A
TIP
117
3
HOH
HOH
1116
A
TIP
118
3
HOH
HOH
1117
A
TIP
119
3
HOH
HOH
1118
A
TIP
120
3
HOH
HOH
1119
A
TIP
121
3
HOH
HOH
1120
A
TIP
122
3
HOH
HOH
1121
A
TIP
123
3
HOH
HOH
1122
A
TIP
124
3
HOH
HOH
1123
A
TIP
125
3
HOH
HOH
1124
A
TIP
126
3
HOH
HOH
1125
A
TIP
127
3
HOH
HOH
1126
A
TIP
128
3
HOH
HOH
1127
A
TIP
129
3
HOH
HOH
1128
A
TIP
130
3
HOH
HOH
1129
A
TIP
131
3
HOH
HOH
1130
A
TIP
132
3
HOH
HOH
1131
A
TIP
133
3
HOH
HOH
1132
A
TIP
134
3
HOH
HOH
1133
A
TIP
135
3
HOH
HOH
1134
A
TIP
136
3
HOH
HOH
1135
A
TIP
137
3
HOH
HOH
1136
A
TIP
138
3
HOH
HOH
1137
A
TIP
139
3
HOH
HOH
1138
A
TIP
140
3
HOH
HOH
1139
A
TIP
141
3
HOH
HOH
1140
A
TIP
142
3
HOH
HOH
1141
A
TIP
143
3
HOH
HOH
1142
A
TIP
144
3
HOH
HOH
1143
A
TIP
145
3
HOH
HOH
1144
A
TIP
146
3
HOH
HOH
1145
A
TIP
147
3
HOH
HOH
1146
A
TIP
148
3
HOH
HOH
1147
A
TIP
149
3
HOH
HOH
1148
A
TIP
150
3
HOH
HOH
1149
A
TIP
151
3
HOH
HOH
1150
A
TIP
152
3
HOH
HOH
1151
A
TIP
153
3
HOH
HOH
1152
A
TIP
154
3
HOH
HOH
1153
A
TIP
155
3
HOH
HOH
1154
A
TIP
156
3
HOH
HOH
1155
A
TIP
157
3
HOH
HOH
1156
A
TIP
158
3
HOH
HOH
1157
A
TIP
159
3
HOH
HOH
1158
A
TIP
160
3
HOH
HOH
1159
A
TIP
161
3
HOH
HOH
1160
A
TIP
162
3
HOH
HOH
1161
A
TIP
163
3
HOH
HOH
1162
A
TIP
164
3
HOH
HOH
1163
A
TIP
165
3
HOH
HOH
1164
A
TIP
166
3
HOH
HOH
1165
A
TIP
167
3
HOH
HOH
1166
A
TIP
168
3
HOH
HOH
1167
A
TIP
169
3
HOH
HOH
1168
A
TIP
170
3
HOH
HOH
1169
A
TIP
171
3
HOH
HOH
1170
A
TIP
172
3
HOH
HOH
1171
A
TIP
173
3
HOH
HOH
1172
A
TIP
174
3
HOH
HOH
1173
A
TIP
175
3
HOH
HOH
1174
A
TIP
176
3
HOH
HOH
1175
A
TIP
177
3
HOH
HOH
1176
A
TIP
178
3
HOH
HOH
1177
A
TIP
179
3
HOH
HOH
1178
A
TIP
180
3
HOH
HOH
1179
A
TIP
181
3
HOH
HOH
1180
A
TIP
182
3
HOH
HOH
1181
A
TIP
183
3
HOH
HOH
1182
A
TIP
184
3
HOH
HOH
1183
A
TIP
185
3
HOH
HOH
1184
A
TIP
186
3
HOH
HOH
1185
A
TIP
187
3
HOH
HOH
1186
A
TIP
188
3
HOH
HOH
1187
A
TIP
189
3
HOH
HOH
1188
A
TIP
190
3
HOH
HOH
1189
A
TIP
191
3
HOH
HOH
1190
A
TIP
192
3
HOH
HOH
1191
A
TIP
193
3
HOH
HOH
1192
A
TIP
194
3
HOH
HOH
1193
A
TIP
195
3
HOH
HOH
1194
A
TIP
196
3
HOH
HOH
1195
A
TIP
197
3
HOH
HOH
1196
A
TIP
198
3
HOH
HOH
1197
A
TIP
199
3
HOH
HOH
1198
A
TIP
200
3
HOH
HOH
1199
A
TIP
201
3
HOH
HOH
1200
A
TIP
202
3
HOH
HOH
1201
A
TIP
203
3
HOH
HOH
1202
A
TIP
204
3
HOH
HOH
1203
A
TIP
205
3
HOH
HOH
1204
A
TIP
206
3
HOH
HOH
1205
A
TIP
207
3
HOH
HOH
1206
A
TIP
208
3
HOH
HOH
1207
A
TIP
209
3
HOH
HOH
1208
A
TIP
210
3
HOH
HOH
1209
A
TIP
211
3
HOH
HOH
1210
A
TIP
212
3
HOH
HOH
1211
A
TIP
213
3
HOH
HOH
1212
A
TIP
214
3
HOH
HOH
1213
A
TIP
215
3
HOH
HOH
1214
A
TIP
216
3
HOH
HOH
1215
A
TIP
217
3
HOH
HOH
1216
A
TIP
218
3
HOH
HOH
1217
A
TIP
219
3
HOH
HOH
1218
A
TIP
220
3
HOH
HOH
1219
A
TIP
221
3
HOH
HOH
1220
A
TIP
222
3
HOH
HOH
1221
A
TIP
223
3
HOH
HOH
1222
A
TIP
224
3
HOH
HOH
1223
A
TIP
225
3
HOH
HOH
1224
A
TIP
226
3
HOH
HOH
1225
A
TIP
227
3
HOH
HOH
1226
A
TIP
228
3
HOH
HOH
1227
A
TIP
229
3
HOH
HOH
1228
A
TIP
230
3
HOH
HOH
1229
A
TIP
231
3
HOH
HOH
1230
A
TIP
232
3
HOH
HOH
1231
A
TIP
233
3
HOH
HOH
1232
A
TIP
234
3
HOH
HOH
1233
A
TIP
235
3
HOH
HOH
1234
A
TIP
236
3
HOH
HOH
1235
A
TIP
237
3
HOH
HOH
1236
A
TIP
238
3
HOH
HOH
1237
A
TIP
239
3
HOH
HOH
1238
A
TIP
240
3
HOH
HOH
1239
A
TIP
241
3
HOH
HOH
1240
A
TIP
242
3
HOH
HOH
1241
A
TIP
243
3
HOH
HOH
1242
A
TIP
244
3
HOH
HOH
1243
A
TIP
245
3
HOH
HOH
1244
A
TIP
246
3
HOH
HOH
1245
A
TIP
247
3
HOH
HOH
1246
A
TIP
248
3
HOH
HOH
1247
A
TIP
249
3
HOH
HOH
1248
A
TIP
250
3
HOH
HOH
1249
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
n
10
10
A
n
11
11
A
n
12
12
A
n
13
13
A
n
14
14
A
n
15
15
A
LYS
16
n
16
LYS
16
A
THR
17
n
17
THR
17
A
VAL
18
n
18
VAL
18
A
VAL
19
n
19
VAL
19
A
VAL
20
n
20
VAL
20
A
THR
21
n
21
THR
21
A
THR
22
n
22
THR
22
A
ILE
23
n
23
ILE
23
A
LEU
24
n
24
LEU
24
A
GLU
25
n
25
GLU
25
A
SER
26
n
26
SER
26
A
PRO
27
n
27
PRO
27
A
TYR
28
n
28
TYR
28
A
VAL
29
n
29
VAL
29
A
MET
30
n
30
MET
30
A
MET
31
n
31
MET
31
A
LYS
32
n
32
LYS
32
A
LYS
33
n
33
LYS
33
A
n
34
34
A
n
35
35
A
n
36
36
A
MET
37
n
37
MET
37
A
LEU
38
n
38
LEU
38
A
GLU
39
n
39
GLU
39
A
GLY
40
n
40
GLY
40
A
ASN
41
n
41
ASN
41
A
GLU
42
n
42
GLU
42
A
ARG
43
n
43
ARG
43
A
TYR
44
n
44
TYR
44
A
GLU
45
n
45
GLU
45
A
GLY
46
n
46
GLY
46
A
TYR
47
n
47
TYR
47
A
CYS
48
n
48
CYS
48
A
VAL
49
n
49
VAL
49
A
ASP
50
n
50
ASP
50
A
LEU
51
n
51
LEU
51
A
ALA
52
n
52
ALA
52
A
ALA
53
n
53
ALA
53
A
GLU
54
n
54
GLU
54
A
ILE
55
n
55
ILE
55
A
ALA
56
n
56
ALA
56
A
LYS
57
n
57
LYS
57
A
HIS
58
n
58
HIS
58
A
CYS
59
n
59
CYS
59
A
GLY
60
n
60
GLY
60
A
PHE
61
n
61
PHE
61
A
LYS
62
n
62
LYS
62
A
TYR
63
n
63
TYR
63
A
LYS
64
n
64
LYS
64
A
LEU
65
n
65
LEU
65
A
THR
66
n
66
THR
66
A
ILE
67
n
67
ILE
67
A
VAL
68
n
68
VAL
68
A
GLY
69
n
69
GLY
69
A
ASP
70
n
70
ASP
70
A
GLY
71
n
71
GLY
71
A
LYS
72
n
72
LYS
72
A
TYR
73
n
73
TYR
73
A
GLY
74
n
74
GLY
74
A
ALA
75
n
75
ALA
75
A
ARG
76
n
76
ARG
76
A
ASP
77
n
77
ASP
77
A
ALA
78
n
78
ALA
78
A
ASP
79
n
79
ASP
79
A
THR
80
n
80
THR
80
A
LYS
81
n
81
LYS
81
A
ILE
82
n
82
ILE
82
A
TRP
83
n
83
TRP
83
A
ASN
84
n
84
ASN
84
A
GLY
85
n
85
GLY
85
A
MET
86
n
86
MET
86
A
VAL
87
n
87
VAL
87
A
GLY
88
n
88
GLY
88
A
GLU
89
n
89
GLU
89
A
LEU
90
n
90
LEU
90
A
VAL
91
n
91
VAL
91
A
TYR
92
n
92
TYR
92
A
GLY
93
n
93
GLY
93
A
LYS
94
n
94
LYS
94
A
ALA
95
n
95
ALA
95
A
ASP
96
n
96
ASP
96
A
ILE
97
n
97
ILE
97
A
ALA
98
n
98
ALA
98
A
ILE
99
n
99
ILE
99
A
ALA
100
n
100
ALA
100
A
PRO
101
n
101
PRO
101
A
LEU
102
n
102
LEU
102
A
THR
103
n
103
THR
103
A
ILE
104
n
104
ILE
104
A
THR
105
n
105
THR
105
A
LEU
106
n
106
LEU
106
A
VAL
107
n
107
VAL
107
A
ARG
108
n
108
ARG
108
A
GLU
109
n
109
GLU
109
A
GLU
110
n
110
GLU
110
A
VAL
111
n
111
VAL
111
A
ILE
112
n
112
ILE
112
A
ASP
113
n
113
ASP
113
A
PHE
114
n
114
PHE
114
A
SER
115
n
115
SER
115
A
LYS
116
n
116
LYS
116
A
PRO
117
n
117
PRO
117
A
PHE
118
n
118
PHE
118
A
MET
119
n
119
MET
119
A
SER
120
n
120
SER
120
A
LEU
121
n
121
LEU
121
A
GLY
122
n
122
GLY
122
A
ILE
123
n
123
ILE
123
A
SER
124
n
124
SER
124
A
ILE
125
n
125
ILE
125
A
MET
126
n
126
MET
126
A
ILE
127
n
127
ILE
127
A
LYS
128
n
128
LYS
128
A
n
129
129
A
n
130
130
A
n
131
131
A
n
132
132
A
n
133
133
A
n
134
134
A
n
135
135
A
n
136
136
A
n
137
137
A
GLU
138
n
138
GLU
138
A
SER
139
n
139
SER
139
A
ALA
140
n
140
ALA
140
A
GLU
141
n
141
GLU
141
A
ASP
142
n
142
ASP
142
A
LEU
143
n
143
LEU
143
A
SER
144
n
144
SER
144
A
LYS
145
n
145
LYS
145
A
GLN
146
n
146
GLN
146
A
THR
147
n
147
THR
147
A
GLU
148
n
148
GLU
148
A
ILE
149
n
149
ILE
149
A
ALA
150
n
150
ALA
150
A
TYR
151
n
151
TYR
151
A
GLY
152
n
152
GLY
152
A
THR
153
n
153
THR
153
A
LEU
154
n
154
LEU
154
A
ASP
155
n
155
ASP
155
A
SER
156
n
156
SER
156
A
GLY
157
n
157
GLY
157
A
SER
158
n
158
SER
158
A
THR
159
n
159
THR
159
A
LYS
160
n
160
LYS
160
A
GLU
161
n
161
GLU
161
A
PHE
162
n
162
PHE
162
A
PHE
163
n
163
PHE
163
A
ARG
164
n
164
ARG
164
A
ARG
165
n
165
ARG
165
A
SER
166
n
166
SER
166
A
LYS
167
n
167
LYS
167
A
ILE
168
n
168
ILE
168
A
ALA
169
n
169
ALA
169
A
VAL
170
n
170
VAL
170
A
PHE
171
n
171
PHE
171
A
ASP
172
n
172
ASP
172
A
LYS
173
n
173
LYS
173
A
MET
174
n
174
MET
174
A
TRP
175
n
175
TRP
175
A
THR
176
n
176
THR
176
A
TYR
177
n
177
TYR
177
A
MET
178
n
178
MET
178
A
ARG
179
n
179
ARG
179
A
SER
180
n
180
SER
180
A
ALA
181
n
181
ALA
181
A
GLU
182
n
182
GLU
182
A
PRO
183
n
183
PRO
183
A
SER
184
n
184
SER
184
A
VAL
185
n
185
VAL
185
A
PHE
186
n
186
PHE
186
A
VAL
187
n
187
VAL
187
A
ARG
188
n
188
ARG
188
A
THR
189
n
189
THR
189
A
THR
190
n
190
THR
190
A
ALA
191
n
191
ALA
191
A
GLU
192
n
192
GLU
192
A
GLY
193
n
193
GLY
193
A
VAL
194
n
194
VAL
194
A
ALA
195
n
195
ALA
195
A
ARG
196
n
196
ARG
196
A
VAL
197
n
197
VAL
197
A
ARG
198
n
198
ARG
198
A
LYS
199
n
199
LYS
199
A
SER
200
n
200
SER
200
A
LYS
201
n
201
LYS
201
A
GLY
202
n
202
GLY
202
A
LYS
203
n
203
LYS
203
A
TYR
204
n
204
TYR
204
A
ALA
205
n
205
ALA
205
A
TYR
206
n
206
TYR
206
A
LEU
207
n
207
LEU
207
A
LEU
208
n
208
LEU
208
A
GLU
209
n
209
GLU
209
A
SER
210
n
210
SER
210
A
THR
211
n
211
THR
211
A
MET
212
n
212
MET
212
A
ASN
213
n
213
ASN
213
A
GLU
214
n
214
GLU
214
A
TYR
215
n
215
TYR
215
A
ILE
216
n
216
ILE
216
A
GLU
217
n
217
GLU
217
A
GLN
218
n
218
GLN
218
A
ARG
219
n
219
ARG
219
A
LYS
220
n
220
LYS
220
A
PRO
221
n
221
PRO
221
A
CYS
222
n
222
CYS
222
A
ASP
223
n
223
ASP
223
A
THR
224
n
224
THR
224
A
MET
225
n
225
MET
225
A
LYS
226
n
226
LYS
226
A
VAL
227
n
227
VAL
227
A
GLY
228
n
228
GLY
228
A
GLY
229
n
229
GLY
229
A
ASN
230
n
230
ASN
230
A
LEU
231
n
231
LEU
231
A
ASP
232
n
232
ASP
232
A
SER
233
n
233
SER
233
A
LYS
234
n
234
LYS
234
A
GLY
235
n
235
GLY
235
A
TYR
236
n
236
TYR
236
A
GLY
237
n
237
GLY
237
A
ILE
238
n
238
ILE
238
A
ALA
239
n
239
ALA
239
A
THR
240
n
240
THR
240
A
PRO
241
n
241
PRO
241
A
LYS
242
n
242
LYS
242
A
GLY
243
n
243
GLY
243
A
SER
244
n
244
SER
244
A
SER
245
n
245
SER
245
A
LEU
246
n
246
LEU
246
A
GLY
247
n
247
GLY
247
A
ASN
248
n
248
ASN
248
A
ALA
249
n
249
ALA
249
A
VAL
250
n
250
VAL
250
A
ASN
251
n
251
ASN
251
A
LEU
252
n
252
LEU
252
A
ALA
253
n
253
ALA
253
A
VAL
254
n
254
VAL
254
A
LEU
255
n
255
LEU
255
A
LYS
256
n
256
LYS
256
A
LEU
257
n
257
LEU
257
A
ASN
258
n
258
ASN
258
A
GLU
259
n
259
GLU
259
A
GLN
260
n
260
GLN
260
A
GLY
261
n
261
GLY
261
A
LEU
262
n
262
LEU
262
A
LEU
263
n
263
LEU
263
A
ASP
264
n
264
ASP
264
A
LYS
265
n
265
LYS
265
A
LEU
266
n
266
LEU
266
A
LYS
267
n
267
LYS
267
A
ASN
268
n
268
ASN
268
A
LYS
269
n
269
LYS
269
A
TRP
270
n
270
TRP
270
A
TRP
271
n
271
TRP
271
A
TYR
272
n
272
TYR
272
A
ASP
273
n
273
ASP
273
A
LYS
274
n
274
LYS
274
A
GLY
275
n
275
GLY
275
A
GLU
276
n
276
GLU
276
A
CYS
277
n
277
CYS
277
A
n
278
278
A
n
279
279
A
author_and_software_defined_assembly
PISA
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
O
LYS
62
A
O
LYS
62
A
N
VAL
18
A
N
VAL
18
A
N
THR
21
A
N
THR
21
A
O
ILE
97
A
O
ILE
97
A
N
MET
30
A
N
MET
30
A
O
GLU
45
A
O
GLU
45
A
N
ASP
113
A
N
ASP
113
A
O
THR
240
A
O
THR
240
A
O
LEU
121
A
O
LEU
121
A
N
LYS
234
A
N
LYS
234
A
O
ALA
150
A
O
ALA
150
A
N
ALA
205
A
N
ALA
205
A
O
LEU
208
A
O
LEU
208
A
N
SER
124
A
N
SER
124
A
N
ILE
127
A
N
ILE
127
A
O
MET
225
A
O
MET
225
1
A
CB
LYS
16
A
CB
LYS
16
1
Y
1
A
CG
LYS
16
A
CG
LYS
16
1
Y
1
A
CD
LYS
16
A
CD
LYS
16
1
Y
1
A
CE
LYS
16
A
CE
LYS
16
1
Y
1
A
NZ
LYS
16
A
NZ
LYS
16
1
Y
1
A
CB
LYS
33
A
CB
LYS
33
1
Y
1
A
CG
LYS
33
A
CG
LYS
33
1
Y
1
A
CD
LYS
33
A
CD
LYS
33
1
Y
1
A
CE
LYS
33
A
CE
LYS
33
1
Y
1
A
NZ
LYS
33
A
NZ
LYS
33
1
Y
1
A
CB
GLU
39
A
CB
GLU
39
1
Y
1
A
CG
GLU
39
A
CG
GLU
39
1
Y
1
A
CD
GLU
39
A
CD
GLU
39
1
Y
1
A
OE1
GLU
39
A
OE1
GLU
39
1
Y
1
A
OE2
GLU
39
A
OE2
GLU
39
1
Y
1
A
CB
LYS
57
A
CB
LYS
57
1
Y
1
A
CG
LYS
57
A
CG
LYS
57
1
Y
1
A
CD
LYS
57
A
CD
LYS
57
1
Y
1
A
CE
LYS
57
A
CE
LYS
57
1
Y
1
A
NZ
LYS
57
A
NZ
LYS
57
1
Y
1
A
CB
ASP
79
A
CB
ASP
79
1
Y
1
A
CG
ASP
79
A
CG
ASP
79
1
Y
1
A
OD1
ASP
79
A
OD1
ASP
79
1
Y
1
A
OD2
ASP
79
A
OD2
ASP
79
1
Y
1
A
CB
LEU
106
A
CB
LEU
106
1
Y
1
A
CG
LEU
106
A
CG
LEU
106
1
Y
1
A
CD1
LEU
106
A
CD1
LEU
106
1
Y
1
A
CD2
LEU
106
A
CD2
LEU
106
1
Y
1
A
CG
LYS
116
A
CG
LYS
116
1
Y
1
A
CD
LYS
116
A
CD
LYS
116
1
Y
1
A
CE
LYS
116
A
CE
LYS
116
1
Y
1
A
NZ
LYS
116
A
NZ
LYS
116
1
Y
1
A
CB
SER
139
A
CB
SER
139
1
Y
1
A
OG
SER
139
A
OG
SER
139
1
Y
1
A
CB
GLU
141
A
CB
GLU
141
1
Y
1
A
CG
GLU
141
A
CG
GLU
141
1
Y
1
A
CD
GLU
141
A
CD
GLU
141
1
Y
1
A
OE1
GLU
141
A
OE1
GLU
141
1
Y
1
A
OE2
GLU
141
A
OE2
GLU
141
1
Y
1
A
CB
LYS
145
A
CB
LYS
145
1
Y
1
A
CG
LYS
145
A
CG
LYS
145
1
Y
1
A
CD
LYS
145
A
CD
LYS
145
1
Y
1
A
CE
LYS
145
A
CE
LYS
145
1
Y
1
A
NZ
LYS
145
A
NZ
LYS
145
1
Y
1
A
CB
GLN
146
A
CB
GLN
146
1
Y
1
A
CG
GLN
146
A
CG
GLN
146
1
Y
1
A
CD
GLN
146
A
CD
GLN
146
1
Y
1
A
OE1
GLN
146
A
OE1
GLN
146
1
Y
1
A
NE2
GLN
146
A
NE2
GLN
146
1
Y
1
A
CB
THR
147
A
CB
THR
147
1
Y
1
A
OG1
THR
147
A
OG1
THR
147
1
Y
1
A
CG2
THR
147
A
CG2
THR
147
1
Y
1
A
CB
ARG
165
A
CB
ARG
165
1
Y
1
A
CG
ARG
165
A
CG
ARG
165
1
Y
1
A
CD
ARG
165
A
CD
ARG
165
1
Y
1
A
NE
ARG
165
A
NE
ARG
165
1
Y
1
A
CZ
ARG
165
A
CZ
ARG
165
1
Y
1
A
NH1
ARG
165
A
NH1
ARG
165
1
Y
1
A
NH2
ARG
165
A
NH2
ARG
165
1
Y
1
A
CB
LYS
167
A
CB
LYS
167
1
Y
1
A
CG
LYS
167
A
CG
LYS
167
1
Y
1
A
CD
LYS
167
A
CD
LYS
167
1
Y
1
A
CE
LYS
167
A
CE
LYS
167
1
Y
1
A
NZ
LYS
167
A
NZ
LYS
167
1
Y
1
A
CB
GLU
182
A
CB
GLU
182
1
Y
1
A
CG
GLU
182
A
CG
GLU
182
1
Y
1
A
CD
GLU
182
A
CD
GLU
182
1
Y
1
A
OE1
GLU
182
A
OE1
GLU
182
1
Y
1
A
OE2
GLU
182
A
OE2
GLU
182
1
Y
1
A
CB
LYS
199
A
CB
LYS
199
1
Y
1
A
CG
LYS
199
A
CG
LYS
199
1
Y
1
A
CD
LYS
199
A
CD
LYS
199
1
Y
1
A
CE
LYS
199
A
CE
LYS
199
1
Y
1
A
NZ
LYS
199
A
NZ
LYS
199
1
Y
1
A
CB
LYS
201
A
CB
LYS
201
1
Y
1
A
CG
LYS
201
A
CG
LYS
201
1
Y
1
A
CD
LYS
201
A
CD
LYS
201
1
Y
1
A
CE
LYS
201
A
CE
LYS
201
1
Y
1
A
NZ
LYS
201
A
NZ
LYS
201
1
Y
1
A
CB
SER
245
A
CB
SER
245
1
Y
1
A
OG
SER
245
A
OG
SER
245
1
Y
1
A
O
CYS
277
A
O
CYS
277
1
Y
1
A
GLY
1
A
GLY
1
1
Y
1
A
SER
2
A
SER
2
1
Y
1
A
ALA
3
A
ALA
3
1
Y
1
A
MET
4
A
MET
4
1
Y
1
A
GLY
5
A
GLY
5
1
Y
1
A
SER
6
A
SER
6
1
Y
1
A
GLY
7
A
GLY
7
1
Y
1
A
ASN
8
A
ASN
8
1
Y
1
A
ASP
9
A
ASP
9
1
Y
1
A
THR
10
A
THR
10
1
Y
1
A
SER
11
A
SER
11
1
Y
1
A
GLY
12
A
GLY
12
1
Y
1
A
LEU
13
A
LEU
13
1
Y
1
A
GLU
14
A
GLU
14
1
Y
1
A
ASN
15
A
ASN
15
1
Y
1
A
ASN
34
A
ASN
34
1
Y
1
A
HIS
35
A
HIS
35
1
Y
1
A
GLU
36
A
GLU
36
1
Y
1
A
LYS
129
A
LYS
129
1
Y
1
A
PRO
130
A
PRO
130
1
Y
1
A
GLY
131
A
GLY
131
1
Y
1
A
THR
132
A
THR
132
1
Y
1
A
ASP
133
A
ASP
133
1
Y
1
A
GLY
134
A
GLY
134
1
Y
1
A
ASN
135
A
ASN
135
1
Y
1
A
PRO
136
A
PRO
136
1
Y
1
A
ILE
137
A
ILE
137
1
Y
1
A
GLY
278
A
GLY
278
1
Y
1
A
SER
279
A
SER
279
1
Y
1
A
GLU
25
-161.64
114.67
1
A
LYS
234
-162.87
-158.68
0.261
0.216
0.24
0.239
1.6
20.0
2967
30621
29076
random
1
2.0
0.0
Engh & Huber
1.6
20.0
250
2139
15
0
1874
1.454
0.009
17.132
1.6
25.0
1FTK
31151
31151
0.0
0.0
0.03
1
18.3
4.96
94.4
0.59
1.60
1.66
2289
2.3
70.4
data reduction
DENZO
data scaling
SCALEPACK
model building
X-PLOR
refinement
X-PLOR
3.851
phasing
X-PLOR
GLUR2 LIGAND BINDING CORE (S1S2I)
CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2I) IN COMPLEX WITH KAINATE AT 1.6 A RESOLUTION
1
N
N
2
N
N
3
N
N
A
GLU
39
A
GLU
39
HELX_P
A
GLU
42
A
GLU
42
5
1
4
A
GLY
46
A
GLY
46
HELX_P
A
GLY
60
A
GLY
60
1
2
15
A
ASN
84
A
ASN
84
HELX_P
A
TYR
92
A
TYR
92
1
3
9
A
THR
105
A
THR
105
HELX_P
A
GLU
110
A
GLU
110
1
4
6
A
SER
139
A
SER
139
HELX_P
A
GLN
146
A
GLN
146
1
5
8
A
GLY
157
A
GLY
157
HELX_P
A
SER
166
A
SER
166
1
6
10
A
ILE
168
A
ILE
168
HELX_P
A
ALA
181
A
ALA
181
1
7
14
A
THR
189
A
THR
189
HELX_P
A
LYS
199
A
LYS
199
1
8
11
A
SER
210
A
SER
210
HELX_P
A
GLN
218
A
GLN
218
1
9
9
A
SER
245
A
SER
245
HELX_P
A
GLN
260
A
GLN
260
1
10
16
A
GLY
261
A
GLY
261
HELX_P
A
TYR
272
A
TYR
272
1
11
12
disulf
2.027
A
CYS
222
A
SG
CYS
222
1_555
A
CYS
277
A
SG
CYS
277
1_555
MEMBRANE PROTEIN
GluR2, S1S2, ligand binding domain, kainate, partial agonist, ionotropic glutamate receptor, MEMBRANE PROTEIN
A
SER
26
A
SER
26
1
A
PRO
27
A
PRO
27
-0.01
A
GLU
182
A
GLU
182
1
A
PRO
183
A
PRO
183
-0.28
A
LYS
220
A
LYS
220
1
A
PRO
221
A
PRO
221
0.35
GRIA2_RAT
UNP
1
P19491
404
528
1FTK
6
130
P19491
A
1
6
130
653
796
1FTK
136
279
P19491
A
1
136
279
1
Cloning Artifact
GLY
1
1FTK
A
P19491
UNP
1
1
Cloning Artifact
SER
2
1FTK
A
P19491
UNP
2
1
Cloning Artifact
ALA
3
1FTK
A
P19491
UNP
3
1
Cloning Artifact
MET
4
1FTK
A
P19491
UNP
4
1
Cloning Artifact
GLY
5
1FTK
A
P19491
UNP
5
1
Linker
GLY
131
1FTK
A
P19491
UNP
131
1
Linker
THR
132
1FTK
A
P19491
UNP
132
1
Linker
ASP
133
1FTK
A
P19491
UNP
133
1
Linker
GLY
134
1FTK
A
P19491
UNP
134
1
Linker
ASN
135
1FTK
A
P19491
UNP
135
3
2
2
2
4
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
A
LYS
62
A
LYS
62
A
ILE
67
A
ILE
67
A
THR
17
A
THR
17
A
THR
22
A
THR
22
A
ILE
97
A
ILE
97
A
ALA
98
A
ALA
98
A
MET
30
A
MET
30
A
MET
31
A
MET
31
A
TYR
44
A
TYR
44
A
GLU
45
A
GLU
45
A
ILE
112
A
ILE
112
A
PHE
114
A
PHE
114
A
ALA
239
A
ALA
239
A
PRO
241
A
PRO
241
A
MET
119
A
MET
119
A
LEU
121
A
LEU
121
A
LYS
234
A
LYS
234
A
TYR
236
A
TYR
236
A
ALA
150
A
ALA
150
A
GLY
152
A
GLY
152
A
TYR
204
A
TYR
204
A
GLU
209
A
GLU
209
A
ILE
123
A
ILE
123
A
ILE
127
A
ILE
127
A
MET
225
A
MET
225
A
VAL
227
A
VAL
227
BINDING SITE FOR RESIDUE KAI A 999
Software
11
A
TYR
73
A
TYR
73
11
1_555
A
PRO
101
A
PRO
101
11
1_555
A
THR
103
A
THR
103
11
1_555
A
ARG
108
A
ARG
108
11
1_555
A
SER
158
A
SER
158
11
1_555
A
THR
159
A
THR
159
11
1_555
A
GLU
209
A
GLU
209
11
1_555
A
MET
212
A
MET
212
11
1_555
A
HOH
1000
C
HOH
11
1_555
A
HOH
1001
C
HOH
11
1_555
A
HOH
1084
C
HOH
11
1_555
4
P 1 21 1