xynB
168
xylan beta-1,4-xylosidase
locus
BSU_17580
Molecular weight
61.17 kDa
pI
5.33
function
xylan degradation
product
xylan beta-1,4-xylosidase
essential
no
ec
3.2.1.37
synonyms
xynB, ynaK
Outlinks
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
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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
[wiki|glycosyl hydrolase 43 family] (according to UniProt)
Structure
[PDB|1YIF]
[AF|P94489]
[wiki|Localization]
cell membrane (according to Swiss-Prot)
Expression and Regulation
Operons
genes
[gene|F92925E2FDCFE6DDA3E87C7B541FE6A6CE5AABB8|xynP]-[gene|19CD9BF216953613CD2E0DFB99D4C6E92AAFAE5D|xynB]
description
[Pubmed|22383849]
regulation
carbon catabolite repression ([protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA]) [Pubmed|9973552]
induction by xylose ([protein|AF4395D134485290F4AA307B48494FED39E52CD7|xylR]) [Pubmed|9973552]
regulatory mechanism
[protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA]: repression, [Pubmed|9973552], in [regulon|protein:E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA regulon]
[protein|AF4395D134485290F4AA307B48494FED39E52CD7|xylR]: repression, [Pubmed|9973552], in [regulon|protein:AF4395D134485290F4AA307B48494FED39E52CD7|xylR regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|9973552], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
Biological materials
Mutant
BKE17580 ([gene|19CD9BF216953613CD2E0DFB99D4C6E92AAFAE5D|xynB]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE17580 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG, downstream forward: _UP4_TAATTTGCACATGAAAAAGG
BKK17580 ([gene|19CD9BF216953613CD2E0DFB99D4C6E92AAFAE5D|xynB]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK17580 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTGGGACTCCTCCTCAG, downstream forward: _UP4_TAATTTGCACATGAAAAAGG
References
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Time of last update: 2024-04-17 05:37:38
Author of last update: Melvin.boenninger