Structure of PDB 7exw Chain A Binding Site BS02

Receptor Information
>7exw Chain A (length=644) Species: 565042 (Bifidobacterium longum subsp. longum JCM 1217) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MNVTITSPFWKRRRDQIVESVIPYQWGVMNDEIDTTSKSHAVANLKVAAG
ELDDEFHGMVFQDSDVYKWLEEAAYALAYHPDPELKALCDRTVDLIARAQ
QSDGYLDTPYQIKSGVWADRPRFSLIQQSHEMYVMGHYIEAAVAYHQVTG
NEQALEVAKKMADCLDANFGPEEGKIHGADGHPEIELALAKLYEETGEKR
YLTLSQYLIDVRGQDPQFYAKQLKAMNGDNIFHGFYKPTYFQAAEPVRDQ
QTADGHAVRVGYLCTGVAHVGRLLGDQGLIDTAKRFWKNIVTRRMYVTGA
IGSTHVGESFTYDYDLPNDTMYGETCASVAMSMFAQQMLDLEPKGEYADV
LEKELFNGSIAGISLDGKQYYYVNALETTPDGLDNPDRHHVLSHRVDWFG
CACCPANIARLIASVDRYIYTERDGGKTVLSHQFIANTAEFASGLTVEQR
SNFPWDGHVEYTVSLPASATDSSVRFGLRIPGWSRGSYTLTVNGKPAVGS
LEDGFVYLVVNAGDTLEIALELDMSVKFVRANSRVRSDAGQVAVMRGPLV
YCAEQVDNPGDLWNYRLADGVTGADAAVAFQADLLGGVDTVDLPAVREHA
DEDDAPLYVDADEPRAGEPATLRLVPYYSWANREIGEMRVFQRR
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain7exw Chain A Residue 802 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7exw Substrate complex structure, active site labeling and catalytic role of the zinc ion in cysteine glycosidase.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		E338 C340 C417 C418
Binding residue
(residue number reindexed from 1)		E324 C326 C403 C404
Annotation score1
Enzymatic activity
Enzyme Commision number 3.2.1.185: non-reducing end beta-L-arabinofuranosidase.
Gene Ontology
Molecular Function
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0046872 metal ion binding
GO:0102478 beta-L-arabinofuranosidase activity
Biological Process
GO:0000272 polysaccharide catabolic process
GO:0005975 carbohydrate metabolic process

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:7exw, PDBe:7exw, PDBj:7exw
PDBsum7exw
PubMed34735571
UniProtE8MGH8|HYBA1_BIFL2 Non-reducing end beta-L-arabinofuranosidase (Gene Name=hypBA1)

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