spsK
168
dTDP-4-dehydrorhamnose reductase
locus
BSU_37820
Molecular weight
31.43 kDa
pI
6.08
function
rhamnose biosynthesis, spore crust polysaccharide synthesis
product
dTDP-4-dehydrorhamnose reductase
essential
no
ec
1.1.1.133
synonyms
spsK
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG1091 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
3,883,427 3,884,278
Phenotypes of a mutant
the mutant tends to acquire suppressor mutations that result in improved growth [Pubmed|28189581]
production of spores lacking a visible crust [pubmed|31235516]
The protein
Protein family
dTDP-4-dehydrorhamnose reductase family (single member, according to UniProt)
Structure
[PDB|3SC6] (dTDP-4-dehydrorhamnose reductase (''rfbD'') from ''Bacillus anthracis'' str. Ames in complex with NADP; 42% identity, 72% similarity)
[AF|P39631]
Expression and Regulation
Operons
genes
[gene|219B0AAFB4ABB7E97A906553B73423F712505E27|spsA]-[gene|9E577B935FAB9605DAF83353E907A6561F11CAC1|spsB]-[gene|38DBA751456A0C0EC5D028939ADB8860ADA28F94|spsC]-[gene|2648D9E356683F5E9C00C40F0A6BBD1933322B09|spsD]-[gene|F27921CD9B89EB16AA57ACECEDBF21ED383629F0|spsE]-[gene|222F7086A214A427174E188CB1FEE4A8B98D303C|spsF]-[gene|9B34C9DBEC5B84A631CDFBEE8DF44384FF5C03B0|spsG]-[gene|8A80A058F270C134891CBCE7EBD8D7A23797F599|spsI]-[gene|90D505CAA4FAAEB6A6AF5C278E70DF714FACB4DA|spsJ]-[gene|4A4C5E6C1DFD46BC3CF9AEBA3FC1577767FF8465|spsK]-[gene|F87238E9B22F967370971ABA4F911EFAC4F559B5|spsL]
description
[Pubmed|9353933]
regulation
expressed during [wiki|sporulation] in the mother cell ([wiki|SigE], [protein|search|SigK], [protein|search|GerE]) [Pubmed|26577401,25239894,15383836]
regulatory mechanism
[protein|19228BAD44E6DA3DE908DC390FDF628C18D94E65|gerE]: activation, [Pubmed|25239894,15383836], in [regulon|protein:19228BAD44E6DA3DE908DC390FDF628C18D94E65|gerE regulon]
sigma factors
[protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|sigE]: sigma factor, [Pubmed|26577401], in [regulon|protein:3CB24D493B3282278B7DC61CE3C793DFA815F9E2|sigE regulon]
[protein|24F7FD5C7C3A68BB2760ABB8CBD8FBD65E5FF7D4|sigK]: sigma factor, [Pubmed|15383836], in [regulon|protein:24F7FD5C7C3A68BB2760ABB8CBD8FBD65E5FF7D4|sigK regulon]
additional information
the mRNA is very stable (half-life > 15 min) [http://www.ncbi.nlm.nih.gov/sites/entrez/12884008 PubMed]
Biological materials
Mutant
BKE37820 ([gene|4A4C5E6C1DFD46BC3CF9AEBA3FC1577767FF8465|spsK]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE37820 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TACCTTTGTCAATCAGATCA, downstream forward: _UP4_TATTTGCAGGAAAGGAGCAG
BKK37820 ([gene|4A4C5E6C1DFD46BC3CF9AEBA3FC1577767FF8465|spsK]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK37820 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TACCTTTGTCAATCAGATCA, downstream forward: _UP4_TATTTGCAGGAAAGGAGCAG
References
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Time of last update: 2024-12-29 09:52:12
Author of last update: Jstuelk