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2Y2W

Elucidation of the substrate specificity and protein structure of AbfB, a family 51 alpha-L-arabinofuranosidase from Bifidobacterium longum.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0046373biological_processL-arabinose metabolic process
A0046556molecular_functionalpha-L-arabinofuranosidase activity
B0000272biological_processpolysaccharide catabolic process
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0046373biological_processL-arabinose metabolic process
B0046556molecular_functionalpha-L-arabinofuranosidase activity
C0000272biological_processpolysaccharide catabolic process
C0016787molecular_functionhydrolase activity
C0016798molecular_functionhydrolase activity, acting on glycosyl bonds
C0046373biological_processL-arabinose metabolic process
C0046556molecular_functionalpha-L-arabinofuranosidase activity
D0000272biological_processpolysaccharide catabolic process
D0016787molecular_functionhydrolase activity
D0016798molecular_functionhydrolase activity, acting on glycosyl bonds
D0046373biological_processL-arabinose metabolic process
D0046556molecular_functionalpha-L-arabinofuranosidase activity
E0000272biological_processpolysaccharide catabolic process
E0016787molecular_functionhydrolase activity
E0016798molecular_functionhydrolase activity, acting on glycosyl bonds
E0046373biological_processL-arabinose metabolic process
E0046556molecular_functionalpha-L-arabinofuranosidase activity
F0000272biological_processpolysaccharide catabolic process
F0016787molecular_functionhydrolase activity
F0016798molecular_functionhydrolase activity, acting on glycosyl bonds
F0046373biological_processL-arabinose metabolic process
F0046556molecular_functionalpha-L-arabinofuranosidase activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"UniProtKB","id":"Q9XBQ3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"UniProtKB","id":"Q9XBQ3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues30
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9XBQ3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"description":"covalent","evidences":[{"source":"UniProtKB","id":"Q9XBQ3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues12
DetailsSite: {"description":"Important for substrate recognition","evidences":[{"source":"UniProtKB","id":"Q9XBQ3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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