AC   MF_00463;
DC   Protein; auto
TR   HAMAP; MF_00463; -; 1; level=0
XX
Names: RsxB_RnfB
XX
case <OC:Escherichia> or <OC:Shigella> or <OC:Salmonella>
ID   RSXB
DE   RecName: Full=Ion-translocating oxidoreductase complex subunit B;
DE            EC=7.-.-.-;
DE   AltName: Full=Rsx electron transport complex subunit B;
GN   Name=rsxB;
else
ID   RNFB
DE   RecName: Full=Ion-translocating oxidoreductase complex subunit B;
DE            EC=7.-.-.-;
DE   AltName: Full=Rnf electron transport complex subunit B;
GN   Name=rnfB;
end case
XX
case <OC:Escherichia> or <OC:Shigella> or <OC:Salmonella>
CC   -!- FUNCTION: Part of a membrane-bound complex that couples electron
CC       transfer with translocation of ions across the membrane. Required to
CC       maintain the reduced state of SoxR.
else
CC   -!- FUNCTION: Part of a membrane-bound complex that couples electron
CC       transfer with translocation of ions across the membrane.
end case
case <FTGroup:1> and (<FTGroup:2> or <FTGroup:4>) and <FTGroup:3> and not <FTGroup:5>
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC       Note=Binds 3 [4Fe-4S] clusters
else case <FTGroup:1> and (<FTGroup:2> or <FTGroup:4>) and <FTGroup:3> and <FTGroup:5>
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC       Note=Binds 4 [4Fe-4S] clusters
else
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
end case
case <OC:Escherichia> or <OC:Shigella> or <OC:Salmonella>
CC   -!- SUBUNIT: The complex is composed of six subunits: RsxA, RsxB, RsxC,
CC       RsxD, RsxE and RsxG.
else case <OC:Bacteria>
CC   -!- SUBUNIT: The complex is composed of six subunits: RnfA, RnfB, RnfC,
CC       RnfD, RnfE and RnfG.
else case <OC:Archaea>
CC   -!- SUBUNIT: The Rnf complex is probably composed of eight subunits,
CC       including RnfA, RnfB, RnfC, RnfD, RnfE and RnfG.
end case
case (<OC:Pseudomonadota> or (defined <Property:Membrane> and <Property:Membrane=2>)) and not <OC:Paracoccaceae>
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane.
else case <OC:Paracoccaceae>
CC   -!- SUBCELLULAR LOCATION: Cellular chromatophore membrane; Peripheral
CC       membrane protein; Cytoplasmic side.
else
CC   -!- SUBCELLULAR LOCATION: Cell membrane.
end case
CC   -!- SIMILARITY: Belongs to the 4Fe4S bacterial-type ferredoxin family. RnfB
CC       subfamily.
XX
DR   Pfam; PF00037; Fer4; 2; trigger=no
DR   Pfam; PF04060; FeS; 1; trigger=no
DR   PRINTS; PR00353; 4FE4SFRDOXIN; 1; trigger=no
DR   NCBIfam; TIGR01944; rnfB; 1; trigger=no
DR   PROSITE; PS51656; 4FE4S; 1; trigger=yes
DR   PROSITE; PS00198; 4FE4S_FER_1; 2; trigger=no
DR   PROSITE; PS51379; 4FE4S_FER_2; 2; trigger=yes
XX
KW   4Fe-4S
case (<OC:Pseudomonadota> or (defined <Property:Membrane> and <Property:Membrane=2>)) and not <OC:Paracoccaceae>
KW   Cell inner membrane
end case
case not <OC:Paracoccaceae>
KW   Cell membrane
end case
KW   Electron transport
KW   Iron
KW   Iron-sulfur
KW   Membrane
KW   Metal-binding
case <OC:Paracoccaceae>
KW   Nitrogen fixation
end case
KW   Repeat
KW   Translocase
KW   Transport
XX
GO   GO:0051539; F:4 iron, 4 sulfur cluster binding
GO   GO:0022900; P:electron transport chain
case <OC:Paracoccaceae>
GO   GO:0009399; P:nitrogen fixation
end case
case not <OC:Paracoccaceae>
GO   GO:0005886; C:plasma membrane
end case
XX
FT   From: RNFB_RHOCA (P0CZ14)
FT   REGION          Nter..23
FT                   /note="Hydrophobic"
FT   BINDING         46
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT   Group: 1; Condition: C
FT   BINDING         49
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT   Group: 1; Condition: C
FT   BINDING         54
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT   Group: 1; Condition: C
FT   BINDING         71
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT   Group: 1; Condition: C
FT   BINDING         112
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 2; Condition: C
FT   BINDING         115
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 2; Condition: C
FT   BINDING         118
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 2; Condition: C
FT   BINDING         122
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT   Group: 3; Condition: C
FT   BINDING         142
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT   Group: 3; Condition: C
FT   BINDING         145
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT   Group: 3; Condition: C
FT   BINDING         148
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT   Group: 3; Condition: C
FT   BINDING         152
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 2; Condition: C
FT   From: RNFB_ACEWD (H6LC27)
FT   BINDING         138
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 4; Condition: C
FT   BINDING         142
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 4; Condition: C
FT   BINDING         148
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 4; Condition: C
FT   BINDING         182
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT   Optional; Group: 4; Condition: C
FT   BINDING         217
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="4"
FT   Optional; Group: 5; Condition: C
FT   BINDING         220
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="4"
FT   Optional; Group: 5; Condition: C
FT   BINDING         223
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="4"
FT   Optional; Group: 5; Condition: C
FT   BINDING         227
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="4"
FT   Optional; Group: 5; Condition: C
XX
Size: 160-400;
Related: None;
Template: P77223; P0CZ14; D5ARZ0; A5F2R3; H6LC27; D8GR71; Q8TSX9;
Scope:
 Archaea
 Bacteria
Fusion:
 Nter: None
 Cter: None
Duplicate: None
Plasmid: None
Comments: According to PubMed:9154934, this protein is a peripheral membrane protein, and
 the N-terminal hydrophobic stretch is not a membrane anchor. According to PubMed:25831459,
 this protein is a transmembrane protein.
XX
# Revision 1.52 2023/06/01
//