Structure of PDB 4gxs Chain B Binding Site BS01

Receptor Information
>4gxs Chain B (length=258) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKL
TIVGDGKYGARDADTKIWNGMVGELVYGKADIAIAPLTITLVREEVIDFS
KPFMSLGISIMIKKGTPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIA
VFDKMWTYMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQR
KPCDTMKVGGNLDSKGYGIATPKGSSLGNAVNLAVLKLNEQGLLDKLKNK
WWYDKGEC
Ligand information
Ligand ID0YS
InChIInChI=1S/C18H21Cl2N3O9/c19-8-3-6(4-9(20)12(8)24)14(26)22-10(15(27)28)5-7-1-2-18(23-7,17(31)32)13(25)11(21)16(29)30/h3-4,7,10-11,13,23-25H,1-2,5,21H2,(H,22,26)(H,27,28)(H,29,30)(H,31,32)/t7-,10+,11-,13+,18-/m1/s1
InChIKeyAJQRDRIPQOAJCM-BWOKQULHSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6c1c(cc(c(c1Cl)O)Cl)C(=O)NC(CC2CCC(N2)(C(C(C(=O)O)N)O)C(=O)O)C(=O)O
CACTVS 3.370N[C@H]([C@H](O)[C@]1(CC[C@H](C[C@H](NC(=O)c2cc(Cl)c(O)c(Cl)c2)C(O)=O)N1)C(O)=O)C(O)=O
CACTVS 3.370N[CH]([CH](O)[C]1(CC[CH](C[CH](NC(=O)c2cc(Cl)c(O)c(Cl)c2)C(O)=O)N1)C(O)=O)C(O)=O
ACDLabs 12.01O=C(O)C(N)C(O)C2(C(=O)O)NC(CC(NC(=O)c1cc(Cl)c(O)c(Cl)c1)C(=O)O)CC2
OpenEye OEToolkits 1.7.6c1c(cc(c(c1Cl)O)Cl)C(=O)N[C@@H](C[C@H]2CC[C@@](N2)([C@H]([C@H](C(=O)O)N)O)C(=O)O)C(=O)O
FormulaC18 H21 Cl2 N3 O9
Name(5R)-2-[(1S,2R)-2-amino-2-carboxy-1-hydroxyethyl]-5-{(2S)-2-carboxy-2-[(3,5-dichloro-4-hydroxybenzoyl)amino]ethyl}-L-proline;
(-)-kaitocephalin
ChEMBL
DrugBank
ZINCZINC000004394272
PDB chain4gxs Chain B Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4gxs The structure of (-)-kaitocephalin bound to the ligand binding domain of the (S)-alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)/glutamate receptor, GluA2.
Resolution1.9634 Å
Binding residue
(original residue number in PDB)		Y61 G62 L90 T91 R96 G141 S142 E145 E193
Binding residue
(residue number reindexed from 1)		Y58 G59 L87 T88 R93 G138 S139 E142 E190
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=4.00,IC50>100uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0015276 ligand-gated monoatomic ion channel activity
Cellular Component
GO:0016020 membrane

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Molecular Function
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Cellular Component
External links
PDB RCSB:4gxs, PDBe:4gxs, PDBj:4gxs
PDBsum4gxs
PubMed23076153
UniProtP19491|GRIA2_RAT Glutamate receptor 2 (Gene Name=Gria2)

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