low affinity potassium transporter [protein|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|KtrC]-[protein|A0952B75E5BD0D09B0F4C257822428640998558B|KtrD], peripheric membrane component
function
potassium uptake
product
low affinity potassium transporter [protein|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|KtrC]-[protein|A0952B75E5BD0D09B0F4C257822428640998558B|KtrD], peripheric membrane component (proton symport)
Genomic Context
categories
[category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.4|Transporters/ other] → [category|SW 1.2.4.5|Metal ion transporter][category|SW 1|Cellular processes] → [category|SW 1.3|Homeostasis] → [category|SW 1.3.1|Metal ion homeostasis (K, Na, Ca, Mg)] → [category|SW 1.3.1.3|Potassium uptake/ export][category|SW 3|Information processing] → [category|SW 3.5|Targets of second messengers] → [category|SW 3.5.1|Targets of c-di-AMP][category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.6|Coping with hyper-osmotic stress][category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]Gene
Coordinates
1,520,531 → 1,521,196
The protein
Paralogous protein(s)
[protein|92D0275E0768780F782F4B3724BC5181E436B6B1|KtrA][SW|Domains]
contains a [SW|RCK_N domain] at the N-terminus (according to [http://www.uniprot.org/uniprot/?query=RCK+N-terminal+domain&sort=score UniProt])contains a c-di-AMP-binding [SW|RCK_C domain] at the C-terminus (according to [http://www.uniprot.org/uniprot/?query=RCK+C-terminal+domain&sort=score UniProt]) [Pubmed|23671116]Effectors of protein activity
the protein binds c-di-AMP [Pubmed|23671116]Structure
[PDB|4J7C] (the [protein|92D0275E0768780F782F4B3724BC5181E436B6B1|KtrA]-[protein|A287B9771A56D03ADCA603C1969CBF03DCB10E95|KtrB] complex, 56% identity) [Pubmed|23598340][PDB|4XTT] (the ''S. aureus'' KtrA [SW|RCK_C domain] in complex with c-di-AMP, 57% identity) [Pubmed|25957408][SW|Localization]
peripheral membrane protein [Pubmed|12562800]Expression and Regulation
Operons
genes
[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]
description
[Pubmed|12562800]
regulation
constitutively expressed [Pubmed|12562800]view in new tabgenes
[gene|A656321846B2E0D1F39B528E2D8B8E620CCD1148|kinC]-[gene|22DBF4D1F93519A95E6BCC0FB1AC2387DF444E27|ykqA]-[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]
description
[Pubmed|22383849]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|8002614], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]regulatory mechanism
[protein|2C54FE2ADC82FF414D732018C90649D477A925AD|Spo0A]: activation, [Pubmed|8002615], in [regulon|2C54FE2ADC82FF414D732018C90649D477A925AD|Spo0A regulon]regulation
constitutively expressed [Pubmed|12562800]view in new tabBiological materials
Mutant
MGNA-A904 (ykqB::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/904 NBRP B. subtilis, Japan]GHB6 ([gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::''spec''), [Pubmed|12562800] (available in [SW|Erhard Bremer]'s and [SW|Jörg Stülke]'s) labs, available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A955&Search=1A955 BGSC] as 1A955GP2264 (Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::''aphA3''), available in [SW|Jörg Stülke]'s lab [pubmed|28420751]GP2048 (Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::''cat''), available in [SW|Jörg Stülke]'s lab [pubmed|28420751]GP2079 (Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::''tet''), available in [SW|Jörg Stülke]'s lab [pubmed|28420751]GP2083 (Δ[gene|92D0275E0768780F782F4B3724BC5181E436B6B1|ktrA]-[gene|A287B9771A56D03ADCA603C1969CBF03DCB10E95|ktrB]::''aphA3'' Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::''tet''), available in [SW|Jörg Stülke]'s lab [pubmed|28420751]BKE14510 (Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE14510 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATCGTGGTGCTCCTTTATA, downstream forward: _UP4_TAGCAGCCAAATAAGCCGTCBKK14510 (Δ[gene|15F9BF08762D28CBCD3D9748EFBD29B0D6FD7623|ktrC]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK14510 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATCGTGGTGCTCCTTTATA, downstream forward: _UP4_TAGCAGCCAAATAAGCCGTCExpression vector
pGP2907 (N-terminal His-tag, purification from ''E. coli'', in [SW|pWH844]), available in [SW|Jörg Stülke]'s labLabs working on this gene/protein
[SW|Erhard Bremer], University of Marburg, Germany [http://www.uni-marburg.de/fb17/fachgebiete/mikrobio/molmibi homepage]References
Reviews
Original publications
12562800,23671116,23598340,28420751,28504641