0.011476
0.000000
0.000000
0.000000
0.015703
0.000000
0.000000
0.000000
0.020871
0.00000
0.00000
0.00000
Hogner, A.
Kastrup, J.S.
Jin, R.
Liljefors, T.
Mayer, M.L.
Egebjerg, J.
Larsen, I.K.
Gouaux, E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
87.139
63.681
47.914
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
C6 H7 Br N2 O4
251.035
(S)-2-AMINO-3-(4-BROMO-3-HYDROXY-ISOXAZOL-5-YL)PROPIONIC ACID
BR-HIBO
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
322
93
109
10.1016/S0022-2836(02)00650-2
12215417
Structural Basis for AMPA Receptor Activation and Ligand Selectivity:
Crystal Structures of Five Agonist Complexes with the GluR2 Ligand-binding
Core
2002
US
Neuron
NERNET
2038
0896-6273
28
165
181
10.1016/S0896-6273(00)00094-5
Mechanisms for activation and antagonism of an AMPA-sensitive glutamate receptor: Crystal structures of the GluR2 ligand binding core.
2000
UK
Nature
NATUAS
0006
0028-0836
417
245
253
10.1038/417245a
Mechanism of glutamate receptor desensitization.
2002
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
10.2210/pdb1m5d/pdb
pdb_00001m5d
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
2001-08-15
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.802
1.0
X13
EMBL/DESY, HAMBURG
0.802
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE X13
29205.682
Glutamate receptor 2
flop ligand binding core (S1S2J-Y702F)
Y190F
1
man
polymer
96.063
SULFATE ION
2
syn
non-polymer
251.035
(S)-2-AMINO-3-(4-BROMO-3-HYDROXY-ISOXAZOL-5-YL)PROPIONIC ACID
1
syn
non-polymer
18.015
water
326
nat
water
GLUR-2, GLUR-B, GLUR-K2, GLUTAMATE RECEPTOR IONOTROPIC AMPA 2
no
no
GANKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVY
GKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKGTPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWT
YMRSAEPSVFVRTTAEGVARVRKSKGKYAFLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLK
LNEQGLLDKLKNKWWYDKGECGS
GANKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVY
GKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKGTPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWT
YMRSAEPSVFVRTTAEGVARVRKSKGKYAFLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLK
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
Escherichia coli
sample
3
117
GluR-2
10116
Rattus norvegicus
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pET30B
Norway rat
Rattus
Escherichia
Escherichia coli
sample
120
263
GluR-2
10116
Rattus norvegicus
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pET30B
1
2.28
45.96
VAPOR DIFFUSION, HANGING DROP
4.5
PEG 3350, Li2SO4, phosphate-citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K
279
entity_src_gen
software
database_2
diffrn_source
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Other
Refinement description
Source and taxonomy
Data collection
Database references
Derived calculations
1
0
2002-09-18
1
1
2008-04-28
1
2
2011-07-13
1
3
2014-11-26
1
4
2017-08-16
1
5
2021-10-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
GluR2 S1S2J in complex with the agonist glutamate.
GluR2 S1S2I in complex with the agonist kainate.
GluR2 S1S2J in the apo form.
GluR2 S1S2J in complex with the agonist kainate.
GluR2 S1S2J in complex with the agonist AMPA.
GluR2 S1S2J in complex with the antagonist DNQX.
GluR2 S1S2I in complex with the agonist kainate.
Non-desensitizing form of GluR2 S1S2J-L483Y in complex with the agonist AMPA.
Non-desensitizing form of GluR2 S1S2J-L483Y in complex with the antagonist DNQX.
X-ray structure of the Glur2 ligand binding core (S1S2J) in complex with 2-Me-Tet-AMPA at 1.85 A resolution.
X-ray structure of the Glur2 ligand binding core (S1S2J) in complex with Br-Hibo at 1.65 A resolution
X-ray structure of the Glur2 ligand binding core (S1S2J) in complex with ACPA at 1.46 A resolution
X-ray structure of the Glur2 ligand binding core (S1S2J-Y702F) in complex with ACPA at 1.95 A resolution
Sequence
Native GluR2 is a membrane protein. The protein
crystallized is the extracellular ligand binding
domain of GluR2. Transmembrane regions were
genetically removed and replaced with a GLY-THR
linker (residues 118 and 119). Therefore, the
sequence matches discontinuously with the reference
database (413-527, 653-796). Residues GLY1 and ALA2
are cloning artifacts. The engineered mutation is
listed by the author as Y702F which corresponds to
Y723F in the database sequence. The author numbered
the sequence according to the predicted mature
GluR2 sequence. Therefore, the signal
sequence (residues 1-21) are not included in the
author's sequence numbering.
RCSB
Y
RCSB
2002-07-09
REL
REL
SO4
SULFATE ION
BRH
(S)-2-AMINO-3-(4-BROMO-3-HYDROXY-ISOXAZOL-5-YL)PROPIONIC ACID
HOH
water
SO4
366
2
SO4
SO4
612
A
SO4
367
2
SO4
SO4
613
A
BRH
611
3
BRH
BRH
611
A
HOH
2
4
HOH
HOH
614
A
HOH
3
4
HOH
HOH
615
A
HOH
5
4
HOH
HOH
616
A
HOH
6
4
HOH
HOH
617
A
HOH
7
4
HOH
HOH
618
A
HOH
8
4
HOH
HOH
619
A
HOH
9
4
HOH
HOH
620
A
HOH
10
4
HOH
HOH
621
A
HOH
12
4
HOH
HOH
622
A
HOH
13
4
HOH
HOH
623
A
HOH
14
4
HOH
HOH
624
A
HOH
15
4
HOH
HOH
625
A
HOH
16
4
HOH
HOH
626
A
HOH
17
4
HOH
HOH
627
A
HOH
18
4
HOH
HOH
628
A
HOH
19
4
HOH
HOH
629
A
HOH
20
4
HOH
HOH
630
A
HOH
21
4
HOH
HOH
631
A
HOH
22
4
HOH
HOH
632
A
HOH
23
4
HOH
HOH
633
A
HOH
25
4
HOH
HOH
634
A
HOH
26
4
HOH
HOH
635
A
HOH
27
4
HOH
HOH
636
A
HOH
28
4
HOH
HOH
637
A
HOH
29
4
HOH
HOH
638
A
HOH
31
4
HOH
HOH
639
A
HOH
32
4
HOH
HOH
640
A
HOH
33
4
HOH
HOH
641
A
HOH
34
4
HOH
HOH
642
A
HOH
35
4
HOH
HOH
643
A
HOH
36
4
HOH
HOH
644
A
HOH
37
4
HOH
HOH
645
A
HOH
38
4
HOH
HOH
646
A
HOH
39
4
HOH
HOH
647
A
HOH
41
4
HOH
HOH
648
A
HOH
42
4
HOH
HOH
649
A
HOH
44
4
HOH
HOH
650
A
HOH
45
4
HOH
HOH
651
A
HOH
46
4
HOH
HOH
652
A
HOH
47
4
HOH
HOH
653
A
HOH
48
4
HOH
HOH
654
A
HOH
49
4
HOH
HOH
655
A
HOH
50
4
HOH
HOH
656
A
HOH
51
4
HOH
HOH
657
A
HOH
52
4
HOH
HOH
658
A
HOH
53
4
HOH
HOH
659
A
HOH
54
4
HOH
HOH
660
A
HOH
55
4
HOH
HOH
661
A
HOH
56
4
HOH
HOH
662
A
HOH
57
4
HOH
HOH
663
A
HOH
58
4
HOH
HOH
664
A
HOH
59
4
HOH
HOH
665
A
HOH
60
4
HOH
HOH
666
A
HOH
61
4
HOH
HOH
667
A
HOH
62
4
HOH
HOH
668
A
HOH
63
4
HOH
HOH
669
A
HOH
64
4
HOH
HOH
670
A
HOH
65
4
HOH
HOH
671
A
HOH
66
4
HOH
HOH
672
A
HOH
67
4
HOH
HOH
673
A
HOH
68
4
HOH
HOH
674
A
HOH
69
4
HOH
HOH
675
A
HOH
70
4
HOH
HOH
676
A
HOH
71
4
HOH
HOH
677
A
HOH
72
4
HOH
HOH
678
A
HOH
73
4
HOH
HOH
679
A
HOH
74
4
HOH
HOH
680
A
HOH
75
4
HOH
HOH
681
A
HOH
76
4
HOH
HOH
682
A
HOH
77
4
HOH
HOH
683
A
HOH
78
4
HOH
HOH
684
A
HOH
79
4
HOH
HOH
685
A
HOH
80
4
HOH
HOH
686
A
HOH
81
4
HOH
HOH
687
A
HOH
82
4
HOH
HOH
688
A
HOH
83
4
HOH
HOH
689
A
HOH
84
4
HOH
HOH
690
A
HOH
85
4
HOH
HOH
691
A
HOH
86
4
HOH
HOH
692
A
HOH
87
4
HOH
HOH
693
A
HOH
88
4
HOH
HOH
694
A
HOH
89
4
HOH
HOH
695
A
HOH
90
4
HOH
HOH
696
A
HOH
91
4
HOH
HOH
697
A
HOH
92
4
HOH
HOH
698
A
HOH
93
4
HOH
HOH
699
A
HOH
94
4
HOH
HOH
700
A
HOH
95
4
HOH
HOH
701
A
HOH
96
4
HOH
HOH
702
A
HOH
97
4
HOH
HOH
703
A
HOH
98
4
HOH
HOH
704
A
HOH
99
4
HOH
HOH
705
A
HOH
100
4
HOH
HOH
706
A
HOH
101
4
HOH
HOH
707
A
HOH
102
4
HOH
HOH
708
A
HOH
103
4
HOH
HOH
709
A
HOH
104
4
HOH
HOH
710
A
HOH
105
4
HOH
HOH
711
A
HOH
106
4
HOH
HOH
712
A
HOH
107
4
HOH
HOH
713
A
HOH
108
4
HOH
HOH
714
A
HOH
109
4
HOH
HOH
715
A
HOH
110
4
HOH
HOH
716
A
HOH
111
4
HOH
HOH
717
A
HOH
112
4
HOH
HOH
718
A
HOH
113
4
HOH
HOH
719
A
HOH
114
4
HOH
HOH
720
A
HOH
115
4
HOH
HOH
721
A
HOH
116
4
HOH
HOH
722
A
HOH
117
4
HOH
HOH
723
A
HOH
118
4
HOH
HOH
724
A
HOH
119
4
HOH
HOH
725
A
HOH
120
4
HOH
HOH
726
A
HOH
121
4
HOH
HOH
727
A
HOH
122
4
HOH
HOH
728
A
HOH
123
4
HOH
HOH
729
A
HOH
124
4
HOH
HOH
730
A
HOH
125
4
HOH
HOH
731
A
HOH
126
4
HOH
HOH
732
A
HOH
127
4
HOH
HOH
733
A
HOH
128
4
HOH
HOH
734
A
HOH
129
4
HOH
HOH
735
A
HOH
130
4
HOH
HOH
736
A
HOH
131
4
HOH
HOH
737
A
HOH
132
4
HOH
HOH
738
A
HOH
133
4
HOH
HOH
739
A
HOH
134
4
HOH
HOH
740
A
HOH
135
4
HOH
HOH
741
A
HOH
137
4
HOH
HOH
742
A
HOH
138
4
HOH
HOH
743
A
HOH
139
4
HOH
HOH
744
A
HOH
140
4
HOH
HOH
745
A
HOH
141
4
HOH
HOH
746
A
HOH
142
4
HOH
HOH
747
A
HOH
143
4
HOH
HOH
748
A
HOH
144
4
HOH
HOH
749
A
HOH
145
4
HOH
HOH
750
A
HOH
146
4
HOH
HOH
751
A
HOH
147
4
HOH
HOH
752
A
HOH
149
4
HOH
HOH
753
A
HOH
150
4
HOH
HOH
754
A
HOH
151
4
HOH
HOH
755
A
HOH
152
4
HOH
HOH
756
A
HOH
153
4
HOH
HOH
757
A
HOH
155
4
HOH
HOH
758
A
HOH
156
4
HOH
HOH
759
A
HOH
157
4
HOH
HOH
760
A
HOH
158
4
HOH
HOH
761
A
HOH
159
4
HOH
HOH
762
A
HOH
160
4
HOH
HOH
763
A
HOH
161
4
HOH
HOH
764
A
HOH
162
4
HOH
HOH
765
A
HOH
163
4
HOH
HOH
766
A
HOH
164
4
HOH
HOH
767
A
HOH
165
4
HOH
HOH
768
A
HOH
166
4
HOH
HOH
769
A
HOH
167
4
HOH
HOH
770
A
HOH
168
4
HOH
HOH
771
A
HOH
169
4
HOH
HOH
772
A
HOH
170
4
HOH
HOH
773
A
HOH
171
4
HOH
HOH
774
A
HOH
172
4
HOH
HOH
775
A
HOH
173
4
HOH
HOH
776
A
HOH
174
4
HOH
HOH
777
A
HOH
175
4
HOH
HOH
778
A
HOH
176
4
HOH
HOH
779
A
HOH
177
4
HOH
HOH
780
A
HOH
178
4
HOH
HOH
781
A
HOH
179
4
HOH
HOH
782
A
HOH
180
4
HOH
HOH
783
A
HOH
181
4
HOH
HOH
784
A
HOH
183
4
HOH
HOH
785
A
HOH
184
4
HOH
HOH
786
A
HOH
185
4
HOH
HOH
787
A
HOH
186
4
HOH
HOH
788
A
HOH
187
4
HOH
HOH
789
A
HOH
188
4
HOH
HOH
790
A
HOH
189
4
HOH
HOH
791
A
HOH
190
4
HOH
HOH
792
A
HOH
191
4
HOH
HOH
793
A
HOH
192
4
HOH
HOH
794
A
HOH
193
4
HOH
HOH
795
A
HOH
194
4
HOH
HOH
796
A
HOH
195
4
HOH
HOH
797
A
HOH
196
4
HOH
HOH
798
A
HOH
197
4
HOH
HOH
799
A
HOH
198
4
HOH
HOH
800
A
HOH
199
4
HOH
HOH
801
A
HOH
200
4
HOH
HOH
802
A
HOH
201
4
HOH
HOH
803
A
HOH
202
4
HOH
HOH
804
A
HOH
203
4
HOH
HOH
805
A
HOH
204
4
HOH
HOH
806
A
HOH
205
4
HOH
HOH
807
A
HOH
206
4
HOH
HOH
808
A
HOH
207
4
HOH
HOH
809
A
HOH
208
4
HOH
HOH
810
A
HOH
209
4
HOH
HOH
811
A
HOH
210
4
HOH
HOH
812
A
HOH
211
4
HOH
HOH
813
A
HOH
212
4
HOH
HOH
814
A
HOH
213
4
HOH
HOH
815
A
HOH
214
4
HOH
HOH
816
A
HOH
215
4
HOH
HOH
817
A
HOH
216
4
HOH
HOH
818
A
HOH
217
4
HOH
HOH
819
A
HOH
218
4
HOH
HOH
820
A
HOH
219
4
HOH
HOH
821
A
HOH
220
4
HOH
HOH
822
A
HOH
221
4
HOH
HOH
823
A
HOH
222
4
HOH
HOH
824
A
HOH
223
4
HOH
HOH
825
A
HOH
224
4
HOH
HOH
826
A
HOH
225
4
HOH
HOH
827
A
HOH
226
4
HOH
HOH
828
A
HOH
227
4
HOH
HOH
829
A
HOH
228
4
HOH
HOH
830
A
HOH
230
4
HOH
HOH
831
A
HOH
232
4
HOH
HOH
832
A
HOH
233
4
HOH
HOH
833
A
HOH
234
4
HOH
HOH
834
A
HOH
235
4
HOH
HOH
835
A
HOH
237
4
HOH
HOH
836
A
HOH
241
4
HOH
HOH
837
A
HOH
243
4
HOH
HOH
838
A
HOH
244
4
HOH
HOH
839
A
HOH
245
4
HOH
HOH
840
A
HOH
246
4
HOH
HOH
841
A
HOH
247
4
HOH
HOH
842
A
HOH
248
4
HOH
HOH
843
A
HOH
249
4
HOH
HOH
844
A
HOH
251
4
HOH
HOH
845
A
HOH
252
4
HOH
HOH
846
A
HOH
254
4
HOH
HOH
847
A
HOH
255
4
HOH
HOH
848
A
HOH
257
4
HOH
HOH
849
A
HOH
261
4
HOH
HOH
850
A
HOH
262
4
HOH
HOH
851
A
HOH
263
4
HOH
HOH
852
A
HOH
264
4
HOH
HOH
853
A
HOH
265
4
HOH
HOH
854
A
HOH
266
4
HOH
HOH
855
A
HOH
267
4
HOH
HOH
856
A
HOH
268
4
HOH
HOH
857
A
HOH
269
4
HOH
HOH
858
A
HOH
271
4
HOH
HOH
859
A
HOH
272
4
HOH
HOH
860
A
HOH
275
4
HOH
HOH
861
A
HOH
276
4
HOH
HOH
862
A
HOH
278
4
HOH
HOH
863
A
HOH
280
4
HOH
HOH
864
A
HOH
281
4
HOH
HOH
865
A
HOH
282
4
HOH
HOH
866
A
HOH
283
4
HOH
HOH
867
A
HOH
285
4
HOH
HOH
868
A
HOH
286
4
HOH
HOH
869
A
HOH
288
4
HOH
HOH
870
A
HOH
289
4
HOH
HOH
871
A
HOH
290
4
HOH
HOH
872
A
HOH
292
4
HOH
HOH
873
A
HOH
294
4
HOH
HOH
874
A
HOH
295
4
HOH
HOH
875
A
HOH
297
4
HOH
HOH
876
A
HOH
300
4
HOH
HOH
877
A
HOH
301
4
HOH
HOH
878
A
HOH
303
4
HOH
HOH
879
A
HOH
304
4
HOH
HOH
880
A
HOH
306
4
HOH
HOH
881
A
HOH
307
4
HOH
HOH
882
A
HOH
309
4
HOH
HOH
883
A
HOH
310
4
HOH
HOH
884
A
HOH
312
4
HOH
HOH
885
A
HOH
314
4
HOH
HOH
886
A
HOH
315
4
HOH
HOH
887
A
HOH
316
4
HOH
HOH
888
A
HOH
318
4
HOH
HOH
889
A
HOH
325
4
HOH
HOH
890
A
HOH
326
4
HOH
HOH
891
A
HOH
328
4
HOH
HOH
892
A
HOH
329
4
HOH
HOH
893
A
HOH
331
4
HOH
HOH
894
A
HOH
332
4
HOH
HOH
895
A
HOH
335
4
HOH
HOH
896
A
HOH
336
4
HOH
HOH
897
A
HOH
337
4
HOH
HOH
898
A
HOH
339
4
HOH
HOH
899
A
HOH
344
4
HOH
HOH
900
A
HOH
347
4
HOH
HOH
901
A
HOH
348
4
HOH
HOH
902
A
HOH
349
4
HOH
HOH
903
A
HOH
352
4
HOH
HOH
904
A
HOH
353
4
HOH
HOH
905
A
HOH
354
4
HOH
HOH
906
A
HOH
355
4
HOH
HOH
907
A
HOH
359
4
HOH
HOH
908
A
HOH
366
4
HOH
HOH
909
A
HOH
370
4
HOH
HOH
910
A
HOH
371
4
HOH
HOH
911
A
HOH
373
4
HOH
HOH
912
A
HOH
374
4
HOH
HOH
913
A
HOH
375
4
HOH
HOH
914
A
HOH
376
4
HOH
HOH
915
A
HOH
379
4
HOH
HOH
916
A
HOH
380
4
HOH
HOH
917
A
HOH
381
4
HOH
HOH
918
A
HOH
383
4
HOH
HOH
919
A
HOH
385
4
HOH
HOH
920
A
HOH
386
4
HOH
HOH
921
A
HOH
388
4
HOH
HOH
922
A
HOH
389
4
HOH
HOH
923
A
HOH
390
4
HOH
HOH
924
A
HOH
392
4
HOH
HOH
925
A
HOH
393
4
HOH
HOH
926
A
HOH
394
4
HOH
HOH
927
A
HOH
395
4
HOH
HOH
928
A
HOH
396
4
HOH
HOH
929
A
HOH
397
4
HOH
HOH
930
A
HOH
401
4
HOH
HOH
931
A
HOH
402
4
HOH
HOH
932
A
HOH
405
4
HOH
HOH
933
A
HOH
406
4
HOH
HOH
934
A
HOH
410
4
HOH
HOH
935
A
HOH
418
4
HOH
HOH
936
A
HOH
424
4
HOH
HOH
937
A
HOH
425
4
HOH
HOH
938
A
HOH
426
4
HOH
HOH
939
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
PHE
190
n
190
PHE
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
2
dimeric
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
2_665
-x+1,-y+1,z
crystal symmetry operation
87.1390000000
63.6810000000
0.0000000000
A
O
LYS
52
A
O
LYS
52
A
N
VAL
8
A
N
VAL
8
A
N
THR
9
A
N
THR
9
A
O
ILE
85
A
O
ILE
85
A
N
MET
18
A
N
MET
18
A
O
GLU
33
A
O
GLU
33
A
N
ASP
101
A
N
ASP
101
A
O
THR
224
A
O
THR
224
A
N
LEU
109
A
N
LEU
109
A
O
LYS
218
A
O
LYS
218
A
N
GLY
136
A
N
GLY
136
A
O
LEU
191
A
O
LEU
191
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
HOH
820
E
HOH
1
A
HOH
900
E
HOH
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
A
ASP
67
-91.40
-62.31
1
A
PRO
205
-79.76
21.14
PROTEIN_REP.PARAM
PROTEIN.TOP
24.2
2.27
0.95
-3.22
0.00
0.00
0.00
Residues 1-3 and 262-263 were not located in the electron density map. The side chains of the following residues are not fully defined: LYS A4, LYS A21, LYS A50, LYS A69, ARG A172, LYS A258
0.215
0.006
0.186
1.73
19.59
1407
27789
27789
0.051
97.6
Random.
1249977
1249977
1
RESTRAINED
THROUGHOUT
0
Difference Fourier
PDB entry 1M5C (S1S2J:Br-HIBO).
Engh & Huber
FLAT MODEL
63.7557
0.445437
0.21
0.18
5.00
0.17
0.14
1.73
19.59
326
2366
23
0
2017
0.005
1.2
21.5
0.73
1.16
1.50
1.75
2.00
2.30
2.00
3.50
2.50
0.272
0.018
0.237
1.84
233
4212
4445
6
0.052
95.1
20.9
1.73
20.00
1M5D
27834
27589
-3.0
0.072
1
14.3000
4.8
97.9
0.393
1.73
1.77
4.0
1829
1
97.4
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
1.0
phasing
CNS
1.0
X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J-Y702F) IN COMPLEX WITH Br-HIBO AT 1.73 A RESOLUTION
1
N
N
2
N
N
2
N
N
3
N
N
4
N
N
The biological assembly is a dimer. The dimer of chain A can be generated by the two fold axis: -x, -y, z.
A
ASN
22
A
ASN
22
HELX_P
A
LEU
26
A
LEU
26
5
1
5
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
SER
150
A
SER
150
1
7
10
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
GLN
202
A
GLN
202
1
10
9
A
SER
229
A
SER
229
HELX_P
A
GLN
244
A
GLN
244
1
11
16
A
GLY
245
A
GLY
245
HELX_P
A
TYR
256
A
TYR
256
1
12
12
disulf
2.028
A
CYS
206
A
SG
CYS
206
1_555
A
CYS
261
A
SG
CYS
261
1_555
MEMBRANE PROTEIN
Ionotropic glutamate receptor, GluR2, ligand binding core, agonist complex, MEMBRANE PROTEIN
A
SER
14
A
SER
14
1
A
PRO
15
A
PRO
15
0.40
A
GLU
166
A
GLU
166
1
A
PRO
167
A
PRO
167
-0.45
A
LYS
204
A
LYS
204
1
A
PRO
205
A
PRO
205
0.89
GRIA2_RAT
UNP
1
413
P19491
NKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVYGK
ADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWTYMRS
AEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLKLNEQ
GLLDKLKNKWWYDKGECGS
413
527
1M5D
3
117
P19491
A
1
3
117
653
796
1M5D
120
263
P19491
A
1
120
263
1
cloning artifact
GLY
1
1M5D
A
P19491
UNP
1
1
cloning artifact
ALA
2
1M5D
A
P19491
UNP
2
1
linker
GLY
118
1M5D
A
P19491
UNP
118
1
linker
THR
119
1M5D
A
P19491
UNP
119
1
TYR
engineered mutation
PHE
190
1M5D
A
P19491
UNP
723
190
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 SO4 A 612
A
SO4
612
Software
8
BINDING SITE FOR RESIDUE SO4 A 613
A
SO4
613
Software
7
BINDING SITE FOR RESIDUE BRH A 611
A
BRH
611
Software
13
A
GLU
27
A
GLU
27
8
1_555
A
GLY
28
A
GLY
28
8
1_555
A
ASN
29
A
ASN
29
8
1_555
A
GLU
30
A
GLU
30
8
1_555
A
ARG
149
A
ARG
149
8
4_456
A
LYS
151
A
LYS
151
8
4_456
A
HOH
812
E
HOH
8
1_555
A
HOH
868
E
HOH
8
4_456
A
HIS
23
A
HIS
23
7
1_555
A
ARG
31
A
ARG
31
7
1_555
A
HIS
46
A
HIS
46
7
3_556
A
LYS
240
A
LYS
240
7
3_556
A
HOH
698
E
HOH
7
3_556
A
HOH
730
E
HOH
7
1_555
A
HOH
914
E
HOH
7
3_556
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
LEU
138
A
LEU
138
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
LEU
192
A
LEU
192
13
1_555
A
GLU
193
A
GLU
193
13
1_555
A
MET
196
A
MET
196
13
1_555
18
P 21 21 2