membrane-anchored protein quality control protease, serine protease, response to secretion and heat stresses
function
protein quality control
Genomic Context
categories
[category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.7|Proteolysis] → [category|SW 3.3.7.1|Protein quality control][category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.4|Heat shock proteins][category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]Gene
Coordinates
3,384,070 3,385,446
The protein
Catalyzed reaction/ biological activity
Acts on substrates that are at least partially unfolded. The cleavage site P1 residue is normally between a pair of hydrophobic residues, such as Val-|-Val (according to UniProt)Protein family
Peptidase S1C family (with [protein|76FA52D5A5F9FCA14BA9B45872FE3D99D89B211B|HtrA] and [protein|75B8C37E589C855D2BAD7FB51B9600E161ACFBD3|HtrC], according to UniProt)[SW|Domains]
cytoplasmic domain (aa 1 - 71) (according to UniProt)transmembrane helix (aa 72 - 92) (according to UniProt)extracellular domain (aa 93 - 458) (according to UniProt)[SW|PDZ domain] (aa 350- 449) (according to UniProt)Structure
[PDB|3QO6] (from ''Arabidopsis thaliana'', 38% identity) [Pubmed|21532594][SW|Localization]
cell membrane (according to UniProt)randomly distributed in foci throughout the cell surface [Pubmed|22307758]Expression and Regulation
Operons
genes
[gene|796216BE9CD6DADFEADC29497253C81BF496A2ED|htrB]
description
[Pubmed|22383849]
regulatory mechanism
[protein|A40CD2C23A19860342F440284302EFFDAC09E88A|CssR]: activation, [Pubmed|12270824], in [regulon|A40CD2C23A19860342F440284302EFFDAC09E88A|CssR regulon]regulation
expressed under conditions of secretion stress ([protein|A40CD2C23A19860342F440284302EFFDAC09E88A|CssR]) [Pubmed|12270824]additional information
[protein|796216BE9CD6DADFEADC29497253C81BF496A2ED|HtrB] is subject to degradation by [protein|DC0FDCA3FA6742B023E6877CE9554AA1D47012BB|WprA] and other extracellular proteases [PubMed|24362423]view in new tabBiological materials
Mutant
MGNA-B207 (yvtA::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/1206 NBRP B. subtilis, Japan]BKE33000 ([gene|796216BE9CD6DADFEADC29497253C81BF496A2ED|htrB]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE33000 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATGTTCTTACACTCCTTTA, downstream forward: _UP4_TAAGAAAAAACAAAAAGCTGBKK33000 ([gene|796216BE9CD6DADFEADC29497253C81BF496A2ED|htrB]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK33000 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATGTTCTTACACTCCTTTA, downstream forward: _UP4_TAAGAAAAAACAAAAAGCTGReferences
Reviews
22688815,21326199,25212246,31001739 Original publications
17600057,22307758,12270824,22092710,24362423,24115457,11133960,21532594,32111210