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Annotation rule MF_01393
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General rule information [?]

Accession MF_01393
Dates 28-NOV-2008 (Created)
20-MAY-2021 (Last updated, Version 19)
Name ATP_synth_a_bact
Scope
Bacteria
Plastid
Templates P0AB98 (ATP6_ECOLI); P06451 (ATPI_SPIOL): [Recover all]
case <OC:Bacteria> or <OG:Chloroplast>
Triggered by
end case


Propagated annotation [?]


Identifier, protein and gene names [?]

case <OC:Bacteria>
Identifier
ATP6
Protein name
RecName: Full=ATP synthase subunit a;
AltName: Full=ATP synthase F0 sector subunit a;
AltName: Full=F-ATPase subunit 6;
else case <OG:Chloroplast>
Identifier
ATPI
Protein name
RecName: Full=ATP synthase subunit a, chloroplastic;
AltName: Full=ATP synthase F0 sector subunit a;
AltName: Full=F-ATPase subunit IV;
end case
case <OC:Cyanobacteria>
Gene name
atpB, atpI
else case <OG:Chloroplast>
Gene name
atpI
else
Gene name
atpB
end case

Comments [?]

Function Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane.
case <OG:Chloroplast> or <Property:PHOTOSYN>
Subunit F-type ATPases have 2 components, CF(1) - the catalytic core - and CF(0) - the membrane proton channel. CF(1) has five subunits: alpha(3), beta(3), gamma(1), delta(1), epsilon(1). CF(0) has four main subunits: a, b, b' and c.
else
Subunit F-type ATPases have 2 components, CF(1) - the catalytic core - and CF(0) - the membrane proton channel. CF(1) has five subunits: alpha(3), beta(3), gamma(1), delta(1), epsilon(1). CF(0) has three main subunits: a(1), b(2) and c(9-12). The alpha and beta chains form an alternating ring which encloses part of the gamma chain. CF(1) is attached to CF(0) by a central stalk formed by the gamma and epsilon chains, while a peripheral stalk is formed by the delta and b chains.
end case
case <OG:Chloroplast>
Subcellular location Plastid, chloroplast thylakoid membrane; Multi-pass membrane protein.
else case <OC:Cyanobacteria> and not <OC:Gloeobacter>
Subcellular location Cellular thylakoid membrane; Multi-pass membrane protein.
else case <OC:Gloeobacter>
Subcellular location Cell inner membrane; Multi-pass membrane protein.
else case not defined <Property:Membrane> or <Property:Membrane=1>
Subcellular location Cell membrane; Multi-pass membrane protein.
else case <Property:Membrane=2>
Subcellular location Cell inner membrane; Multi-pass membrane protein.
end case
Similarity Belongs to the ATPase A chain family.

Keywords [?]

ATP synthesis
CF(0)
Hydrogen ion transport
Ion transport
Membrane
Transmembrane
Transport
case <OG:Chloroplast> or <OC:Cyanobacteria> and not <OC:Gloeobacter>
Thylakoid
else case <OC:Gloeobacter>
Cell membrane
Cell inner membrane
else case not defined <Property:Membrane> or <Property:Membrane=1>
Cell membrane
else case <Property:Membrane=2>
Cell membrane
Cell inner membrane
end case
Transmembrane helix

Gene Ontology [?]

GO:0046933; Molecular function: proton-transporting ATP synthase activity, rotational mechanism.
GO:0015986; Biological process: ATP synthesis coupled proton transport.
case <OC:Cyanobacteria> and not <OC:Gloeobacter>
GO:0042651; Cellular component: thylakoid membrane.
else
GO:0005886; Cellular component: plasma membrane.
end case
case <OG:Chloroplast>
GO:0009535; Cellular component: chloroplast thylakoid membrane.
end case

Cross-references [?]

PROSITE PS00449; ATPASE_A; 1;
Pfam PF00119; ATP-synt_A; 1;
PRINTS PR00123; ATPASEA; 1;
TIGRFAMs TIGR01131; ATP_synt_6_or_A; 1;

Computed features [?]

General Transmembrane; -; 4-8; trigger=yes;

Additional information [?]

Size range 207-406 amino acids
Related rules None
Fusion None
Comments In Anaeromyxobacter and some of the Chlorobi the protein could have a signal sequence; these proteins have a considerably longer N- terminus compared to other family members.


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