xynB

xynB
168

xylan beta-1,4-xylosidase

Locus
BSU_17580
Molecular weight
61.17 kDa
Isoelectric point
5.33
Protein length
533 aaSequenceBlast
Gene length
1602 bpSequenceBlast
Function
xylan degradation
Product
xylan beta-1,4-xylosidase
Essential
no
E.C.
3.2.1.37
Synonyms
xynB, ynaK
Outlinks
BsubCyc SubtiList UniProt STRING Genoscapist PaperBLAST

Genomic Context

Categories containing this gene/protein

List of homologs in different organisms, belongs to COG3507 (Galperin et al., 2021)

This gene is a member of the following regulons

Gene
Coordinates
1,888,774  1,890,375
The protein
Catalyzed reaction/ biological activity
Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini (according to UniProt)
Protein family
glycosyl hydrolase 43 family (according to UniProt)
Structure
1YIF (PDB)
P94489 (AlphaFold)
Localization
cell membrane (according to Swiss-Prot)
Expression and Regulation
Operons
Genes
xynP-xynB
Description
PubMed
Regulation
carbon catabolite repression (CcpA) PubMed
induction by xylose (XylR) PubMed
Regulatory mechanism
CcpA: repression, PubMed, in ccpA regulon
XylR: repression, PubMed, in xylR regulon
Sigma factors
SigA: sigma factor, PubMed, in sigA regulon
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xynP→xynB

2025-03-27 06:13:23

Jstuelk

74

aa6727391438a3e0ac00fefbdd17149ac191046f

CCC22A3A6149673F8C773C362037DE89F621A002

Biological materials
Mutant
BKE17580 (xynB::erm  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG,  downstream forward: _UP4_TAATTTGCACATGAAAAAGG
BKK17580 (xynB::kan  trpC2) available at BGSC,  PubMed, upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG,  downstream forward: _UP4_TAATTTGCACATGAAAAAGG
References
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19CD9BF216953613CD2E0DFB99D4C6E92AAFAE5D

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Time of last update: 2025-04-08 20:04:40

Author of last update: Melvin.boenninger