Structure of PDB 1k3u Chain B Binding Site BS01

Receptor Information
>1k3u Chain B (length=394) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTLLNPYFGEFGGMYVPQILMPALNQLEEAFVSAQKDPEFQAQFADLLKN
YAGRPTALTKCQNITAGTRTTLYLKREDLLHGGAHKTNQVLGQALLAKRM
GKSEIIAETGAGQHGVASALASALLGLKCRIYMGAKDVERQSPNVFRMRL
MGAEVIPVHSGSATLKDACNEALRDWSGSYETAHYMLGTAAGPHPYPTIV
REFQRMIGEETKAQILDKEGRLPDAVIACVGGGSNAIGMFADFINDTSVG
LIGVEPGGHGIETGEHGAPLKHGRVGIYFGMKAPMMQTADGQIEESYSIS
AGLDFPSVGPQHAYLNSIGRADYVSITDDEALEAFKTLCRHEGIIPALES
SHALAHALKMMREQPEKEQLLVVNLSGRGDKDIFTVHDILKARG
Ligand information
Ligand IDPLP
InChIInChI=1S/C8H10NO6P/c1-5-8(11)7(3-10)6(2-9-5)4-15-16(12,13)14/h2-3,11H,4H2,1H3,(H2,12,13,14)
InChIKeyNGVDGCNFYWLIFO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(C=O)c1O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)C=O)O
ACDLabs 10.04O=P(O)(O)OCc1cnc(c(O)c1C=O)C
FormulaC8 H10 N O6 P
NamePYRIDOXAL-5'-PHOSPHATE;
VITAMIN B6 Phosphate
ChEMBLCHEMBL82202
DrugBankDB00114
ZINCZINC000001532514
PDB chain1k3u Chain B Residue 802 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1k3u Crystal structures of a new class of allosteric effectors complexed to tryptophan synthase.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		A85 H86 K87 T190 G232 G233 G234 S235 N236 E350 S377 G378
Binding residue
(residue number reindexed from 1)		A84 H85 K86 T189 G231 G232 G233 S234 N235 E349 S376 G377
Annotation score1
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:1k3u, PDBe:1k3u, PDBj:1k3u
PDBsum1k3u
PubMed11756456
UniProtP0A2K1|TRPB_SALTY Tryptophan synthase beta chain (Gene Name=trpB)

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