Structure of PDB 1a5s Chain B Binding Site BS02

Receptor Information
>1a5s Chain B (length=387) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TLLNPYFGEFGGMYVPQILMPALNQLEEAFVRAQKDPEFQAQFADLLKNY
AGRPTALTKCQNITAGTRTTLYLKREDLLHGGAHKTNQVLGQALLAKRMG
KSEIIAETGAGQHGVASALASALLGLKCRIYMGAKDVERQSPNVFRMRLM
GAEVIPVHSGSATLKDACNEALRDWSGSYETAHYMLGTAAGPHPYPTIVR
EFQRMIGEETKAQILDKEGRLPDAVIACVGGGSNAIGMFADFINDTSVGL
IGVEPGGHGIETGEHGAPLKHGRVGIYFGMKAPMMQTADGQIEESYSISA
GLDFPSVGPQHAYLNSIGRADYVSITDDEALEAFKTLCRHEGIIPALESS
HALAHALKMMREQPEKEQLLVVNLSGRGDKDIFTVHD
Ligand information
Ligand IDSER
InChIInChI=1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7)/t2-/m0/s1
InChIKeyMTCFGRXMJLQNBG-REOHCLBHSA-N
SMILES
SoftwareSMILES
CACTVS 3.341N[CH](CO)C(O)=O
OpenEye OEToolkits 1.5.0C(C(C(=O)O)N)O
CACTVS 3.341N[C@@H](CO)C(O)=O
ACDLabs 10.04O=C(O)C(N)CO
OpenEye OEToolkits 1.5.0C([C@@H](C(=O)O)N)O
FormulaC3 H7 N O3
NameSERINE
ChEMBLCHEMBL11298
DrugBankDB00133
ZINCZINC000000895034
PDB chain1a5s Chain B Residue 902 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1a5s Loop closure and intersubunit communication in tryptophan synthase.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		K87 T110 A112 G113 Q114 H115 G303
Binding residue
(residue number reindexed from 1)		K85 T108 A110 G111 Q112 H113 G301
Annotation score5
Enzymatic activity
Enzyme Commision number 4.2.1.20: tryptophan synthase.
Gene Ontology
Molecular Function
GO:0004834 tryptophan synthase activity
GO:0005515 protein binding
GO:0016829 lyase activity
GO:0042802 identical protein binding
Biological Process
GO:0000162 tryptophan biosynthetic process
GO:0006568 tryptophan metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1a5s, PDBe:1a5s, PDBj:1a5s
PDBsum1a5s
PubMed9548921
UniProtP0A2K1|TRPB_SALTY Tryptophan synthase beta chain (Gene Name=trpB)

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