Reviewed, UniProtKB/Swiss-Prot P48791 (XYNB_PRERU)

Names and origin

Protein names

Recommended name:
    Beta-xylosidase
    EC=3.2.1.37
Alternative name(s):
    1,4-beta-D-xylan xylohydrolase
    Xylan 1,4-beta-xylosidase
    Exo-beta-(1,4)-xylanase

Gene names

Name:

xynB

Organism

Prevotella ruminicola (Bacteroides ruminicola)

Taxonomic identifier

839 [NCBI]

Taxonomic lineage

Bacteria › Bacteroidetes › Bacteroidia › Bacteroidales › Prevotellaceae › Prevotella

Protein attributes

Sequence length	319 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Exoxylanase capable of acting on certain xylans and xylooligosaccharides.
Catalytic activity	Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini.
Sequence similarities	Belongs to the glycosyl hydrolase 43 family.

Ontologies

Keywords
Biological process	Xylan degradation
Molecular function	Glycosidase Hydrolase
Technical term	Multifunctional enzyme
Gene Ontology (GO)
Biological process	xylan catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	xylan 1,4-beta-xylosidase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 319	319	Beta-xylosidase		PRO_0000057696

Sequences

	Sequence		Length	Mass (Da)
	P48791-1 [UniParc]. Last modified February 1, 1996. Version 1. Checksum: 6C170659F2C81E92	FASTA	319	36,407
	10 20 30 40 50 60 MKAKYVFPSD YMADPAANVF DGKLYIYPSH DYDSGECFDD DGGHFQMKDY HVLCIDGDPM 70 80 90 100 110 120 EQDAKDCGKQ FGIEDIPWVE KQLWDNDCVE KDGKYYLIYS AKDYTGVFHL GVAVADKPEG 130 140 150 160 170 180 PFVPEADPIR GSYSIDPCVF KDDDGEIYVY FGGIWGGQLQ WYKDNKMLKA EHLPEGKEDP 190 200 210 220 230 240 LPSRVARMTG DVKQFAEAPR AVIIVDETGK PLPADDPHRF FEASWMHKYN GKYYFSYSTG 250 260 270 280 290 300 DTHLLCYAVG DNPYGPFTYQ GVILEPVVGW TTHHSIVEYK GKWYLFHHDC VPSNDTTWLR 310 SLKVAELEYD AEGHIKTVK

References

[1]

"A xylan hydrolase gene cluster in Prevotella ruminicola B(1)4: sequence relationships, synergistic interactions, and oxygen sensitivity of a novel enzyme with exoxylanase and beta-(1,4)-xylosidase activities." Gasparic A., Martin J., Daniel A.S., Flint H.J. Appl. Environ. Microbiol. 61:2958-2964(1995) [PubMed: 7487028] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: B14.

Cross-references

Sequence databases
EMBLGenBankDDBJ	Z49241 Genomic DNA. Translation: CAA89208.1.
3D structure databases
ModBase	Search...
Protein family/group databases
CAZy	GH43. Glycoside Hydrolase Family 43.
Enzyme and pathway databases
BRENDA	3.2.1.37. 97798.
Family and domain databases
InterPro	IPR006710. Glyco_hydro_43. [Graphical view]
PANTHER	PTHR22925. Glyco_hydro_43. 1 hit.
Pfam	PF04616. Glyco_hydro_43. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

XYNB_PRERU

Accession

Primary (citable) accession number: P48791

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 1, 1996
Last sequence update:	February 1, 1996
Last modified:	April 14, 2009
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)