Structure of PDB 7exu Chain A

Receptor sequence
>7exuA (length=651) Species: 565042 (Bifidobacterium longum subsp. longum JCM 1217) [Search protein sequence]
MNVTITSPFWKRRRDQIVESVIPYQWGVMNDEIDTTVPDDPASKSHAVAN
LKVAAGELDDEFHGMVFQDSDVYKWLEEAAYALAYHPDPELKALCDRTVD
LIARAQQSDGYLDTPYQIKSGVWADRPRFSLIQQSHEMYVMGHYIEAAVA
YHQVTGNEQALEVAKKMADCLDANFGPEEGKIHGADGHPEIELALAKLYE
ETGEKRYLTLSQYLIDVRGQDPQFYAKQLKAMNGDNIFHGFYKPTYFQAA
EPVRDQQTADGHAVRVGYLCTGVAHVGRLLGDQGLIDTAKRFWKNIVTRR
MYVTGAIGSTHVGQSFTYDYDLPNDTMYGETCASVAMSMFAQQMLDLEPK
GEYADVLEKELFNGSIAGISLDGKQYYYVNALETTPDGLDNPDRHHVLSH
RVDWFGCACCPANIARLIASVDRYIYTERDGGKTVLSHQFIANTAEFASG
LTVEQRSNFPWDGHVEYTVSLPASATDSSVRFGLRIPGWSRGSYTLTVNG
KPAVGSLEDGFVYLVVNAGDTLEIALELDMSVKFVRANSRVRSDAGQVAV
MRGPLVYCAEQVDNPGDLWNYRLADGVTGADAAVAFQADLLGGVDTVDLP
AVREHADEDDAPLYVDADEPRAGEPATLRLVPYYSWANREIGEMRVFQRR
A
3D structure
PDB7exu Substrate complex structure, active site labeling and catalytic role of the zinc ion in cysteine glycosidase.
ChainA
Resolution2.3 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.1.185: non-reducing end beta-L-arabinofuranosidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN A E338 C340 C417 C418 E330 C332 C409 C410
BS02 07Y A F73 H142 Y145 H194 F244 H270 V272 Q322 E338 Y386 C415 C417 F67 H136 Y139 H188 F238 H262 V264 Q314 E330 Y378 C407 C409
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
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Biological Process
External links
PDB RCSB:7exu, PDBe:7exu, PDBj:7exu
PDBsum7exu
PubMed34735571
UniProtE8MGH8|HYBA1_BIFL2 Non-reducing end beta-L-arabinofuranosidase (Gene Name=hypBA1)

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