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Database: UniProt
Entry: A4BH75_9GAMM
LinkDB: A4BH75_9GAMM
Original site: A4BH75_9GAMM 
ID   A4BH75_9GAMM            Unreviewed;       196 AA.
AC   A4BH75;
DT   03-APR-2007, integrated into UniProtKB/TrEMBL.
DT   03-APR-2007, sequence version 1.
DT   24-JAN-2024, entry version 99.
DE   RecName: Full=Ion-translocating oxidoreductase complex subunit B {ECO:0000256|HAMAP-Rule:MF_00463};
DE            EC=7.-.-.- {ECO:0000256|HAMAP-Rule:MF_00463};
DE   AltName: Full=Rnf electron transport complex subunit B {ECO:0000256|HAMAP-Rule:MF_00463};
GN   Name=rnfB {ECO:0000256|HAMAP-Rule:MF_00463};
GN   ORFNames=MED297_15170 {ECO:0000313|EMBL:EAR08574.1};
OS   Reinekea blandensis MED297.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC   Saccharospirillaceae; Reinekea.
OX   NCBI_TaxID=314283 {ECO:0000313|EMBL:EAR08574.1, ECO:0000313|Proteomes:UP000005953};
RN   [1] {ECO:0000313|EMBL:EAR08574.1, ECO:0000313|Proteomes:UP000005953}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MED297 {ECO:0000313|EMBL:EAR08574.1,
RC   ECO:0000313|Proteomes:UP000005953};
RA   Pinhassi J., Pedros-Alio C., Ferriera S., Johnson J., Kravitz S.,
RA   Halpern A., Remington K., Beeson K., Tran B., Rogers Y.-H., Friedman R.,
RA   Venter J.C.;
RL   Submitted (FEB-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Part of a membrane-bound complex that couples electron
CC       transfer with translocation of ions across the membrane.
CC       {ECO:0000256|HAMAP-Rule:MF_00463}.
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00463,
CC         ECO:0000256|PIRSR:PIRSR005784-1};
CC       Note=Binds 3 [4Fe-4S] clusters. {ECO:0000256|HAMAP-Rule:MF_00463,
CC       ECO:0000256|PIRSR:PIRSR005784-1};
CC   -!- SUBUNIT: The complex is composed of six subunits: RnfA, RnfB, RnfC,
CC       RnfD, RnfE and RnfG. {ECO:0000256|HAMAP-Rule:MF_00463}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000256|HAMAP-
CC       Rule:MF_00463}.
CC   -!- SIMILARITY: Belongs to the 4Fe4S bacterial-type ferredoxin family. RnfB
CC       subfamily. {ECO:0000256|HAMAP-Rule:MF_00463}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00463}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EAR08574.1}.
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DR   EMBL; AAOE01000019; EAR08574.1; -; Genomic_DNA.
DR   RefSeq; WP_008043125.1; NZ_CH724150.1.
DR   AlphaFoldDB; A4BH75; -.
DR   STRING; 314283.MED297_15170; -.
DR   HOGENOM; CLU_063448_2_0_6; -.
DR   OrthoDB; 9789936at2; -.
DR   Proteomes; UP000005953; Unassembled WGS sequence.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.70.20; -; 1.
DR   Gene3D; 1.10.15.40; Electron transport complex subunit B, putative Fe-S cluster; 1.
DR   HAMAP; MF_00463; RsxB_RnfB; 1.
DR   InterPro; IPR007202; 4Fe-4S_dom.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR010207; Elect_transpt_cplx_RnfB/RsxB.
DR   InterPro; IPR016463; RnfB/RsxB_Proteobac.
DR   NCBIfam; TIGR01944; rnfB; 1.
DR   PANTHER; PTHR42859:SF3; ION-TRANSLOCATING OXIDOREDUCTASE COMPLEX SUBUNIT B; 1.
DR   PANTHER; PTHR42859; OXIDOREDUCTASE; 1.
DR   Pfam; PF14697; Fer4_21; 1.
DR   Pfam; PF04060; FeS; 1.
DR   PIRSF; PIRSF005784; Elect_transpt_RnfB; 1.
DR   SUPFAM; SSF54862; 4Fe-4S ferredoxins; 1.
DR   PROSITE; PS51656; 4FE4S; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 1.
DR   PROSITE; PS51379; 4FE4S_FER_2; 2.
PE   3: Inferred from homology;
KW   4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_00463};
KW   Cell inner membrane {ECO:0000256|HAMAP-Rule:MF_00463};
KW   Cell membrane {ECO:0000256|HAMAP-Rule:MF_00463};
KW   Electron transport {ECO:0000256|ARBA:ARBA00022982, ECO:0000256|HAMAP-
KW   Rule:MF_00463};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00463};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW   Rule:MF_00463};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00463};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00463}; Reference proteome {ECO:0000313|Proteomes:UP000005953};
KW   Repeat {ECO:0000256|HAMAP-Rule:MF_00463};
KW   Translocase {ECO:0000256|HAMAP-Rule:MF_00463};
KW   Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_00463};
KW   Ubiquinone {ECO:0000313|EMBL:EAR08574.1}.
FT   DOMAIN          29..87
FT                   /note="4Fe-4S"
FT                   /evidence="ECO:0000259|PROSITE:PS51656"
FT   DOMAIN          103..132
FT                   /note="4Fe-4S ferredoxin-type"
FT                   /evidence="ECO:0000259|PROSITE:PS51379"
FT   DOMAIN          133..162
FT                   /note="4Fe-4S ferredoxin-type"
FT                   /evidence="ECO:0000259|PROSITE:PS51379"
FT   REGION          1..23
FT                   /note="Hydrophobic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT   BINDING         46
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         49
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         54
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         70
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         112
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         115
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         118
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         122
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         142
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         145
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         148
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
FT   BINDING         152
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00463,
FT                   ECO:0000256|PIRSR:PIRSR005784-1"
SQ   SEQUENCE   196 AA;  20895 MW;  37158E6DBB170821 CRC64;
     MITAILTLLV LAAIFGALLG FASIRFKPEG NPIVEDINNI LPQTQCGQCG HPGCRPYAQA
     IADGEDINKC PPGGEATIQA LADLLDVEPK PLDAEHGEEK TPQVAIIRED ECIGCTKCIQ
     ACPVDAILGA AKQMHTVIES ECTGCDLCVE PCPVDCIDMV PIEDTLATWH QNRPLSNIEL
     IATDRPTPAV NKEDAA
//
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