ID   VHCB_METVO              Reviewed;         157 AA.
AC   Q50849;
DT   16-JAN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Polyferredoxin protein VhcB;
GN   Name=vhcB;
OS   Methanococcus voltae.
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=2188;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 33273 / DSM 1537 / NBRC 100457 / OCM 70 / PS;
RX   PubMed=1603063; DOI=10.1007/bf00587582;
RA   Halboth S., Klein A.;
RT   "Methanococcus voltae harbors four gene clusters potentially encoding two
RT   [NiFe] and two [NiFeSe] hydrogenases, each of the cofactor F420-reducing or
RT   F420-non-reducing types.";
RL   Mol. Gen. Genet. 233:217-224(1992).
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; Evidence={ECO:0000305};
CC       Note=Binds 4 [4Fe-4S] clusters. {ECO:0000305};
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DR   EMBL; X61203; CAA43507.1; -; Genomic_DNA.
DR   PIR; S16728; S16728.
DR   AlphaFoldDB; Q50849; -.
DR   GO; GO:0016020; C:membrane; IEA:InterPro.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016651; F:oxidoreductase activity, acting on NAD(P)H; IEA:InterPro.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR010226; NADH_quinone_OxRdtase_chainI.
DR   PANTHER; PTHR10849; PTHR10849; 2.
DR   Pfam; PF00037; Fer4; 1.
DR   Pfam; PF12838; Fer4_7; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 3.
DR   PROSITE; PS51379; 4FE4S_FER_2; 3.
PE   4: Predicted;
KW   4Fe-4S; Electron transport; Iron; Iron-sulfur; Metal-binding; Repeat;
KW   Transport.
FT   CHAIN           1..157
FT                   /note="Polyferredoxin protein VhcB"
FT                   /id="PRO_0000159145"
FT   DOMAIN          23..52
FT                   /note="4Fe-4S ferredoxin-type 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   DOMAIN          62..92
FT                   /note="4Fe-4S ferredoxin-type 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   DOMAIN          100..129
FT                   /note="4Fe-4S ferredoxin-type 3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   BINDING         32
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         35
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         38
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         42
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         72
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         75
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         78
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         82
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         109
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         112
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         115
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         119
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         136
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         139
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         142
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
FT   BINDING         146
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   157 AA;  17246 MW;  9C3382D4175A1DDF CRC64;
     MNNLNSENMC NCCNSANSCG GTNGISWDRE KCEYCGPCAI KCPNDAIMVV NPKGLELPSR
     AKTERANEFK MCDLCGTCVS ACPTEALQMG KIVHNEKEYD RIEFTPSLCD SCGACVEICP
     QNVLKLNEEY KLKGFCVMCL KCIDACDKTN QNALSLK