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Structure of PDB 2clo Chain A Binding Site BS01

Receptor Information
>2clo Chain A (length=257) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ERYENLFAQLNDRREGAFVPFVTLGDPGIEQSLKIIDTLIDAGADALELG
VPFSDPLADGPTIQNANLRAFAAGVTPAQCFEMLALIREKHPTIPIGLLM
YANLVFNNGIDAFYARCEQVGVDSVLVADVPVEESAPFRQAALRHNIAPI
FICPPNADDDLLRQVASYGRGYTYLLSRSGVTGHHLIEKLKEYHAAPALQ
GFGISSPEQVSAAVRAGAAGAISGSAIVKIIEKNLASPKQMLAELRSFVS
AMKAASR
Ligand information
Ligand IDF19
InChIInChI=1S/C12H14NO6PS/c14-20(15,16)19-8-7-13-21(17,18)12-6-5-10-3-1-2-4-11(10)9-12/h1-6,9,13H,7-8H2,(H2,14,15,16)
InChIKeyFCROUVVWZFPGFM-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341O[P](O)(=O)OCCN[S](=O)(=O)c1ccc2ccccc2c1
ACDLabs 10.04O=P(O)(O)OCCNS(=O)(=O)c2ccc1c(cccc1)c2
OpenEye OEToolkits 1.5.0c1ccc2cc(ccc2c1)S(=O)(=O)NCCOP(=O)(O)O
FormulaC12 H14 N O6 P S
Name2-[(2-NAPHTHYLSULFONYL)AMINO]ETHYL DIHYDROGEN PHOSPHATE
ChEMBL
DrugBankDB07732
ZINCZINC000016051903
PDB chain2clo Chain A Residue 1268 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2clo Allosteric Regulation of Substrate Channeling in Tryptophan Synthase: Modulation of the L-Serine Reaction in Stage I of the Beta-Reaction by Alpha-Site Ligands.
Resolution1.5 Å
Binding residue
(original residue number in PDB)
F22 L100 I153 Y175 T183 G184 F212 S235
Binding residue
(residue number reindexed from 1)
F21 L99 I152 Y174 T182 G183 F202 S225
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=4.06,Kd=87.6uM
Enzymatic activity
Catalytic site (original residue number in PDB) E49 D60 Y175
Catalytic site (residue number reindexed from 1) E48 D59 Y174
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
Biological Process
GO:0000162 tryptophan biosynthetic process
GO:0006568 tryptophan metabolic process
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Cellular Component
External links
PDB RCSB:2clo, PDBe:2clo, PDBj:2clo
PDBsum2clo
PubMed17559232
UniProtP00929|TRPA_SALTY Tryptophan synthase alpha chain (Gene Name=trpA)

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