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1LB9
Asym. Unit
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Asym.Unit (90 KB)
Biol.Unit 1 (44 KB)
Biol.Unit 2 (45 KB)
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Title
:
CRYSTAL STRUCTURE OF THE NON-DESENSITIZING GLUR2 LIGAND BINDING CORE MUTANT (S1S2J-L483Y) IN COMPLEX WITH ANTAGONIST DNQX AT 2.3 A RESOLUTION
Authors
:
Y. Sun, R. Olson, M. Horning, N. Armstrong, M. Mayer, E. Gouaux
Date
:
02 Apr 02 (Deposition) - 05 Jun 02 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.30
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A (1x)
Biol. Unit 2: B (1x)
Keywords
:
Ampa Receptor, Glur2, S1S2, Ligand-Binding Core, Non- Desensitizing, Point-Mutation, L483Y, Antagonist, Dnqx, Membrane Protein
(Keyword Search:
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Reference
:
Y. Sun, R. Olson, M. Horning, N. Armstrong, M. Mayer, E. Gouaux
Mechanism Of Glutamate Receptor Desensitization.
Nature V. 417 245 2002
(for further references see the
PDB file header
)
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Hetero Components
(2, 3)
Info
All Hetero Components
1a: 6,7-DINITROQUINOXALINE-2,3-DIONE (DNQa)
1b: 6,7-DINITROQUINOXALINE-2,3-DIONE (DNQb)
2a: SULFATE ION (SO4a)
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No.
Name
Count
Type
Full Name
1
DNQ
2
Ligand/Ion
6,7-DINITROQUINOXALINE-2,3-DIONE
2
SO4
1
Ligand/Ion
SULFATE ION
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Sites
(3, 3)
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1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
SER B:142 , THR B:143 , GLU B:193 , DNQ B:367
BINDING SITE FOR RESIDUE SO4 B 366
2
AC2
SOFTWARE
GLU B:13 , TYR B:16 , TYR B:61 , PRO B:89 , LEU B:90 , THR B:91 , ARG B:96 , THR B:174 , GLU B:193 , THR B:195 , MET B:196 , TYR B:220 , SO4 B:366 , HOH B:368 , HOH B:369 , HOH B:455
BINDING SITE FOR RESIDUE DNQ B 367
3
AC3
SOFTWARE
GLU A:13 , TYR A:16 , TYR A:61 , PRO A:89 , LEU A:90 , THR A:91 , ARG A:96 , THR A:174 , GLU A:193 , THR A:195 , MET A:196 , TYR A:220 , HOH A:378 , HOH A:437
BINDING SITE FOR RESIDUE DNQ A 368
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SAPs(SNPs)/Variants
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Exons
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Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(1, 2)
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All SCOP Domains
1a: SCOP_d1lb9a_ (A:)
1b: SCOP_d1lb9b_ (B:)
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Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Periplasmic binding protein-like II
(813)
Superfamily
:
Periplasmic binding protein-like II
(813)
Family
:
Phosphate binding protein-like
(463)
Protein domain
:
Glutamate receptor ligand binding core
(127)
Norway rat (Rattus norvegicus), GluR2 [TaxId: 10116]
(115)
1a
d1lb9a_
A:
1b
d1lb9b_
B:
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CATH Domains
(1, 4)
Info
all CATH domains
1a: CATH_1lb9A02 (A:5-109,A:219-258)
1b: CATH_1lb9B02 (B:5-109,B:219-258)
1c: CATH_1lb9A01 (A:110-218)
1d: CATH_1lb9B01 (B:110-218)
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Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
D-Maltodextrin-Binding Protein; domain 2
(600)
Homologous Superfamily
:
Periplasmic binding protein-like II
(486)
Norway rat (Rattus norvegicus)
(84)
1a
1lb9A02
A:5-109,A:219-258
1b
1lb9B02
B:5-109,B:219-258
1c
1lb9A01
A:110-218
1d
1lb9B01
B:110-218
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Pfam Domains
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Asym.Unit (90 KB)
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