function
adaptation of membrane fluidity at low temperatures
product
phospholipid desaturase
Genomic Context
categories
[category|SW 2|Metabolism] → [category|SW 2.4|Lipid metabolism] → [category|SW 2.4.3|Lipid metabolism/ other][category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.5|Cold stress proteins][category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]Gene
Coordinates
2,089,396 2,090,454
Phenotypes of a mutant
cold-sensitive [Pubmed|19820084]The protein
Catalyzed reaction/ biological activity
introduces double bonds into long chain fatty acids [Pubmed|21665975]Protein family
Fatty acid desaturase type 1 family (single member, according to UniProt)[SW|Cofactors]
[protein|644C0C354B72FC07222EE45F4D2E0E57434B5EB5|Des] receives electrons from ferredoxin ([protein|4164F07C581320D67FDC1ED5014272B81702A371|Fer]) or from either of the two flavodoxins, [protein|0932DDC285635C02067A3302CEDA302FE4269179|YkuN] or [protein|ECAFD2873ADE6B65C7B3C27FF26E0FAAA74839CC|YkuP], the three proteins can functionally replace each other [Pubmed|21665975][SW|Localization]
integral membrane protein [Pubmed|21665975]Expression and Regulation
Operons
genes
[gene|644C0C354B72FC07222EE45F4D2E0E57434B5EB5|des]
description
[Pubmed|10559169]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|10559169], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]regulatory mechanism
[protein|F08BE4ACC0ECE1416B012CA72B027423D4D9B00A|DesR]: activation, [Pubmed|11285232], [Pubmed|19820084], in [regulon|F08BE4ACC0ECE1416B012CA72B027423D4D9B00A|DesR regulon]regulation
induced upon cold shock ([protein|search|DesR]) [Pubmed|11285232]additional information
in strains evolved for growth at low pressure, 'des' expression is significantly increased as compared to the wild type [PubMed|22416764]view in new tabBiological materials
Mutant
MGNA-A319 (yocE::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/319 NBRP B. subtilis, Japan]1A835 ( ''des''::''kan''), [Pubmed|11285232], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A835&Search=1A835 BGSC]BKE19180 ([gene|644C0C354B72FC07222EE45F4D2E0E57434B5EB5|des]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE19180 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATAGTAAGTATCCTCTCAT, downstream forward: _UP4_TGATGATAAAGGAGGTCTTCBKK19180 ([gene|644C0C354B72FC07222EE45F4D2E0E57434B5EB5|des]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK19180 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATAGTAAGTATCCTCTCAT, downstream forward: _UP4_TGATGATAAAGGAGGTCTTClabs
[SW|Diego de Mendoza], Universidad Nacional de Rosario, Argentine [http://www.ibr.gov.ar/eng/investigacion/demendoza.htm homepage]References
Reviews
Original publications
19164152,11251847,12399512,9555904,10559169,11285232,12207704,12730185,19820084,12207704,20581210,22416764,18154726,21665975,26647299,28461449,30087203