TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


3.A.1.16.3
Bicarbonate porter (activated by low [CO2] mediated by CmpR; (Nishimura et al., 2008))

Accession Number:Q55106
Protein Name:CmpB
Length:278
Molecular Weight:31041.00
Species:Synechococcus sp [1140]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate HCO3-

Cross database links:

RefSeq: YP_400506.1   
Entrez Gene ID: 3773662   
Pfam: PF00528   
KEGG: syf:Synpcc7942_   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015112 F:nitrate transmembrane transporter activity
GO:0015706 P:nitrate transport

References (2)

[1] “Identification of an ATP-binding cassette transporter involved in bicarbonate uptake in the cyanobacterium Synechococcus sp. strain PCC 7942.”  Omata T.et.al.   10557362
[2] “Involvement of a CbbR homolog in low CO2-induced activation of the bicarbonate transporter operon in cyanobacteria.”  Omata T.et.al.   11222586

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MVTARETRRN GSRPSGLKKW RQKLDGILLP LAGILGFLII WQIFSSSGAT RLPGPLSLFT 
61:	EERTRELLLY PFLDRGGLDK GLFWQTIASL TRVAQGFSIA AIIGISVGIL VGLNRQLNAM 
121:	LDPLFQFLRM IAPLAWVPIA LVAFQQNQPA AIFVIFITAV WPILINTAEG VRQIPQDYNN 
181:	VARVLRMSKS KYLMKVVLPA ALPYIFTGLR IAIGLSWLAI IAAEIVMSGI VGIGFFIWDA 
241:	YQQNYVSDII LAVIYIGAVG LLLDRFVAWL QRWILRNM