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P45982

- XYLB_BUTFI

UniProt

P45982 - XYLB_BUTFI

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Protein

Xylosidase/arabinosidase

Gene
xylB
Organism
Butyrivibrio fibrisolvens
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Has a 1.6-fold higher activity as an arabinosidase than as a beta-xylosidase when tested on the substrates nitrophenyl-beta-D-xylopyranoside and P-nitrophenyl-alpha-L-arabinofuranoside.

Catalytic activityi

Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini.
Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside residues in alpha-L-arabinosides.

GO - Molecular functioni

  1. alpha-L-arabinofuranosidase activity Source: UniProtKB-EC
  2. xylan 1,4-beta-xylosidase activity Source: UniProtKB-EC

GO - Biological processi

  1. xylan catabolic process Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Polysaccharide degradation, Xylan degradation

Protein family/group databases

CAZyiGH43. Glycoside Hydrolase Family 43.

Names & Taxonomyi

Protein namesi
Recommended name:
Xylosidase/arabinosidase
Including the following 2 domains:
Beta-xylosidase (EC:3.2.1.37)
Alternative name(s):
1,4-beta-D-xylan xylohydrolase
Xylan 1,4-beta-xylosidase
Alpha-L-arabinofuranosidase (EC:3.2.1.55)
Short name:
Arabinosidase
Gene namesi
Name:xylB
OrganismiButyrivibrio fibrisolvens
Taxonomic identifieri831 [NCBI]
Taxonomic lineageiBacteriaFirmicutesClostridiaClostridialesLachnospiraceaeButyrivibrio

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 517517Xylosidase/arabinosidasePRO_0000057694Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliP45982.

Family & Domainsi

Sequence similaritiesi

Family and domain databases

Gene3Di2.115.10.20. 1 hit.
2.60.120.200. 1 hit.
InterProiIPR008985. ConA-like_lec_gl_sf.
IPR013320. ConA-like_subgrp.
IPR006710. Glyco_hydro_43.
IPR023296. Glyco_hydro_beta-prop.
[Graphical view]
PANTHERiPTHR22925. PTHR22925. 1 hit.
PfamiPF04616. Glyco_hydro_43. 1 hit.
[Graphical view]
SUPFAMiSSF49899. SSF49899. 1 hit.
SSF75005. SSF75005. 1 hit.

Sequencei

Sequence statusi: Complete.

P45982-1 [UniParc]FASTAAdd to Basket

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MVIANNPILK GFYPDPSICR KGDDFYLVCS SFVYAPGVPI FHTKDLAHFE    50
QIGNILDRES QLPLSGDISR GIFAPTIREH NGIFYMITTN VSSGGNFIVT 100
AKDPAGPWSE PYYLGEDEAP GIDPSLFFDD DGKCYYVGTR PNPDGVRYNG 150
DWEIWVQELD LEQMKLVGPS MAIWKGALKD VIWPEGPHLY KKDGYYYLLH 200
AEAGTSFEHA ISVARSKELF KWFEGCPRNP IFTHRNLGKD YPVCNVGHAD 250
LVDDINGNWY MVMLASRPCK GKCSLGRETF LAKVIWEDGW PVVNPGVGRL 300
TDEVEMDLPE YRFSKEITTK DKMTFEETVL DDRFVGIERR SEDFYSLTDN 350
PGFLRLKLRP EAIENTGNPS YLGIRQKTHS FRASCGLKFT PAKDNECAGM 400
VLFQNNENHL ELLVVKKKDK LQFKVGPVIK GTKIRLATFD ISSGDLEIIL 450
EAANQLANIY IKKNNEKILV AECIDLSPYT TEESGGFVGC TIGLYASSNG 500
KTSDNYCDYS YFTVEEV 517
Length:517
Mass (Da):58,222
Last modified:November 1, 1995 - v1
Checksum:iF1B645F76F6FE0B5
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M55537 Genomic DNA. Translation: AAA63610.1.
PIRiA49776.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M55537 Genomic DNA. Translation: AAA63610.1 .
PIRi A49776.

3D structure databases

ProteinModelPortali P45982.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GH43. Glycoside Hydrolase Family 43.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 2.115.10.20. 1 hit.
2.60.120.200. 1 hit.
InterProi IPR008985. ConA-like_lec_gl_sf.
IPR013320. ConA-like_subgrp.
IPR006710. Glyco_hydro_43.
IPR023296. Glyco_hydro_beta-prop.
[Graphical view ]
PANTHERi PTHR22925. PTHR22925. 1 hit.
Pfami PF04616. Glyco_hydro_43. 1 hit.
[Graphical view ]
SUPFAMi SSF49899. SSF49899. 1 hit.
SSF75005. SSF75005. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "Sequencing and expression of the Butyrivibrio fibrisolvens xylB gene encoding a novel bifunctional protein with beta-D-xylosidase and alpha-L-arabinofuranosidase activities."
    Utt E.A., Eddy C.K., Keshav K.F., Ingram L.O.
    Appl. Environ. Microbiol. 57:1227-1234(1991) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiXYLB_BUTFI
AccessioniPrimary (citable) accession number: P45982
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: November 1, 1995
Last modified: May 14, 2014
This is version 57 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Multifunctional enzyme

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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