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HAMAP rule MF_01308

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General rule information [?]

Accession MF_01308
Dates 29-NOV-2002 (Created)
17-FEB-2023 (Last updated, Version 36)
Name CemA
Scope
Bacteria; Cyanobacteriota
Plastid
Template Q37050 (CEMA_CHLRE)
case <OC:Cyanobacteriota> or <OG:Chloroplast>
Triggered by
end case


Propagated annotation [?]


Identifier, protein and gene names [?]

case <OG:Chloroplast>
Identifier
CEMA
Protein name
RecName: Full=envelope membrane protein, chloroplastic;
Gene name
cemA
else case <OC:Cyanobacteriota>
Identifier
PCXA
Protein name
RecName: Full=Proton extrusion protein PcxA;
Gene name
pcxA
end case

Comments [?]

case <OG:Chloroplast>
Function May be involved in proton extrusion. Indirectly promotes efficient inorganic carbon uptake into chloroplasts.
Subcellular location Plastid, chloroplast inner membrane; Multi-pass membrane protein.
else case <OC:Cyanobacteriota>
Function Involved in light-induced Na(+)-dependent proton extrusion. Also seems to be involved in CO(2) transport.
Subcellular location Cell inner membrane; Multi-pass membrane protein.
end case
Similarity Belongs to the CemA family.

Keywords [?]

Membrane
Transmembrane
case <OG:Chloroplast>
Plastid inner membrane
else case <OC:Cyanobacteriota>
Cell membrane
Cell inner membrane
end case
Transport
Ion transport
Hydrogen ion transport
Transmembrane helix

Gene Ontology [?]

GO:0015078; Molecular function: proton transmembrane transporter activity.
GO:1902600; Biological process: proton transmembrane transport.
case <OG:Chloroplast>
GO:0009706; Cellular component: chloroplast inner membrane.
else case <OC:Cyanobacteriota>
GO:0005886; Cellular component: plasma membrane.
end case

Cross-references [?]

Pfam PF03040; CemA; 1;

Computed features [?]

General Transmembrane; -; 2-4; trigger=yes;

Additional information [?]

Size range 226-501 amino acids
Related rules None
Fusion None
Comments The amino-terminus is very variable. A number of organisms have inserts; CHLRE, LEPTE, SCEOB, STAPU, STIHE and have therefore been made atypical.


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