ID B3QTB8_CHLT3 Unreviewed; 296 AA.
AC B3QTB8;
DT 02-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 02-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 83.
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 OrderedLocusNames=Ctha_1760 {ECO:0000313|EMBL:ACF14217.1};
OS Chloroherpeton thalassium (strain ATCC 35110 / GB-78).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chloroherpetonaceae;
OC Chloroherpeton.
OX NCBI_TaxID=517418 {ECO:0000313|EMBL:ACF14217.1, ECO:0000313|Proteomes:UP000001208};
RN [1] {ECO:0000313|EMBL:ACF14217.1, ECO:0000313|Proteomes:UP000001208}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35110 / GB-78 {ECO:0000313|Proteomes:UP000001208};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Mikhailova N., Liu Z., Li T., Zhao F., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of Chloroherpeton thalassium ATCC 35110.";
RL Submitted (JUN-2008) 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 Note=Binds 3 [4Fe-4S] clusters. {ECO:0000256|HAMAP-Rule:MF_00463};
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}.
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DR EMBL; CP001100; ACF14217.1; -; Genomic_DNA.
DR AlphaFoldDB; B3QTB8; -.
DR STRING; 517418.Ctha_1760; -.
DR KEGG; cts:Ctha_1760; -.
DR eggNOG; COG2768; Bacteria.
DR eggNOG; COG2878; Bacteria.
DR HOGENOM; CLU_053470_0_0_10; -.
DR OrthoDB; 9789936at2; -.
DR Proteomes; UP000001208; Chromosome.
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 CDD; cd10549; MtMvhB_like; 1.
DR Gene3D; 3.30.70.20; -; 2.
DR Gene3D; 3.20.20.20; Dihydropteroate synthase-like; 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; IPR011005; Dihydropteroate_synth-like_sf.
DR InterPro; IPR010207; Elect_transpt_cplx_RnfB/RsxB.
DR NCBIfam; TIGR01944; rnfB; 1.
DR PANTHER; PTHR43560; ION-TRANSLOCATING OXIDOREDUCTASE COMPLEX SUBUNIT B; 1.
DR PANTHER; PTHR43560:SF1; ION-TRANSLOCATING OXIDOREDUCTASE COMPLEX SUBUNIT B; 1.
DR Pfam; PF00037; Fer4; 1.
DR Pfam; PF14697; Fer4_21; 1.
DR Pfam; PF04060; FeS; 1.
DR SUPFAM; SSF54862; 4Fe-4S ferredoxins; 2.
DR PROSITE; PS51656; 4FE4S; 1.
DR PROSITE; PS00198; 4FE4S_FER_1; 2.
DR PROSITE; PS51379; 4FE4S_FER_2; 3.
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|HAMAP-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|HAMAP-Rule:MF_00463, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00463}; Reference proteome {ECO:0000313|Proteomes:UP000001208};
KW Repeat {ECO:0000256|HAMAP-Rule:MF_00463};
KW Translocase {ECO:0000256|HAMAP-Rule:MF_00463};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius};
KW Transport {ECO:0000256|HAMAP-Rule:MF_00463}.
FT TRANSMEM 6..26
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 33..92
FT /note="4Fe-4S"
FT /evidence="ECO:0000259|PROSITE:PS51656"
FT DOMAIN 162..191
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT DOMAIN 208..236
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT DOMAIN 237..268
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT REGION 1..27
FT /note="Hydrophobic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 50
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 53
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 58
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 75
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 138
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 142
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 148
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 152
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 171
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 174
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 177
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="3"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
FT BINDING 181
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00463"
SQ SEQUENCE 296 AA; 31336 MW; D554F18D8835F9C8 CRC64;
MFSTILIPVV SLGSVAFALG VIILFISKKF YVEEDPLVGV VNSLLPGVNC GACGYPGCNQ
FAEELVRTKD SSMVCPPGGQ DTAEEIGTTL NIKMAEVKPV VCVSLCQGGN GVAKPTAEYV
GIQDCWAAIQ AFVGPKQCKY SCMGLGSCIA YCDFGAMSLE NGLIKIDDER CTGCGACIPA
CPTGVLTLQP KRENRYFIAC NSQDKGNIAK KMCEAACIAC QKCVKVCEED AIIIENNLAK
IIQEKCTECG KCVEVCPVNV NCIILKHDQG GLPAYKNAAS APAKVSEEAE SLRKAS
//
