pbuX
168
xanthine transport in/out via proton symport
locus
BSU_22060
Molecular weight
46.08 kDa
pI
8.79
function
xanthine uptake
product
xanthine permease
essential
no
synonyms
pbuX, ypaQ
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG2233 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
2,318,127 2,319,443
The protein
Protein family
[wiki|xanthine/uracil permease family] (according to UniProt)
[wiki|Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily] (according to UniProt)
Structure
[PDB|5I6C] (Aspergillus nidulans purine transporter, 27% identity) [pubmed|27088252]
[AF|P42086]
Paralogous protein(s)
[protein|3162EF36F4441A1E4EBBFDAD19F6768D8EF21B29|pucK], [protein|53950BFDC128DE46F3F43BDB9D0FDB3D645152DF|pucJ]
[wiki|Localization]
membrane [Pubmed|18763711]
Expression and Regulation
Operons
genes
[gene|02C84C9A8C0008CC253CBF13584A4B5B2D2B510C|xpt]-[gene|7D56F85FBD3AAC66607DD7465592EEAE09D61C98|pbuX]
description
[Pubmed|9098051]
regulation
induced in the absence of guanine ([wiki|G-box]) [Pubmed|12787499]
regulatory mechanism
G-box: RNA switch, [wiki|riboswitch] [Pubmed|9098051,12787499], in [regulon|other_regulator:G-box|G-box]
[protein|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|purR]: repression, (molecular inducer: PRPP) [Pubmed|11591660], in [regulon|protein:A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|purR regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|9098051], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
Biological materials
Mutant
BKE22060 ([gene|7D56F85FBD3AAC66607DD7465592EEAE09D61C98|pbuX]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE22060 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CAGCGTTTTGCCGAATCCAT, downstream forward: _UP4_AAAACAGCAGTCTAACTCCG
BKK22060 ([gene|7D56F85FBD3AAC66607DD7465592EEAE09D61C98|pbuX]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK22060 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CAGCGTTTTGCCGAATCCAT, downstream forward: _UP4_AAAACAGCAGTCTAACTCCG
References
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Time of last update: 2025-04-05 09:06:09
Author of last update: Melvin.boenninger