ID   EHAA_METMP              Reviewed;          88 AA.
AC   Q6LXA4;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Probable [NiFe]-hydrogenase-type-3 Eha complex membrane subunit A;
GN   Name=ehaA; OrderedLocusNames=MMP1448;
OS   Methanococcus maripaludis (strain S2 / LL).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=267377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S2 / LL;
RX   PubMed=15466049; DOI=10.1128/jb.186.20.6956-6969.2004;
RA   Hendrickson E.L., Kaul R., Zhou Y., Bovee D., Chapman P., Chung J.,
RA   Conway de Macario E., Dodsworth J.A., Gillett W., Graham D.E., Hackett M.,
RA   Haydock A.K., Kang A., Land M.L., Levy R., Lie T.J., Major T.A.,
RA   Moore B.C., Porat I., Palmeiri A., Rouse G., Saenphimmachak C., Soell D.,
RA   Van Dien S., Wang T., Whitman W.B., Xia Q., Zhang Y., Larimer F.W.,
RA   Olson M.V., Leigh J.A.;
RT   "Complete genome sequence of the genetically tractable hydrogenotrophic
RT   methanogen Methanococcus maripaludis.";
RL   J. Bacteriol. 186:6956-6969(2004).
CC   -!- FUNCTION: One of the integral membrane subunits of multisubunit
CC       membrane-bound [NiFe]-hydrogenase eha. Eha is predicted to form large
CC       electron transfer complex and might catalyze energy-driven reduction of
CC       low-potential redox carriers (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Putative multisubunit membrane-bound [NiFe]-hydrogenase eha is
CC       composed of at least 20 subunits. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC       protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the EhaA family. {ECO:0000305}.
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DR   EMBL; BX950229; CAF31004.1; -; Genomic_DNA.
DR   RefSeq; WP_011171392.1; NC_005791.1.
DR   AlphaFoldDB; Q6LXA4; -.
DR   STRING; 267377.MMP1448; -.
DR   EnsemblBacteria; CAF31004; CAF31004; MMP1448.
DR   GeneID; 41280079; -.
DR   KEGG; mmp:MMP1448; -.
DR   PATRIC; fig|267377.15.peg.1484; -.
DR   eggNOG; arCOG05035; Archaea.
DR   HOGENOM; CLU_174516_1_0_2; -.
DR   OMA; MKLSFDM; -.
DR   OrthoDB; 118189at2157; -.
DR   BioCyc; MMAR267377:MMP_RS07450-MON; -.
DR   Proteomes; UP000000590; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   InterPro; IPR011306; Prd_NiFe_hyd_3_EhaA.
DR   Pfam; PF17367; NiFe_hyd_3_EhaA; 1.
DR   PIRSF; PIRSF005019; EhaA; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..88
FT                   /note="Probable [NiFe]-hydrogenase-type-3 Eha complex
FT                   membrane subunit A"
FT                   /id="PRO_0000138113"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        27..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        49..69
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   88 AA;  9345 MW;  40858BD778B9EE3F CRC64;
     MVLLINYAVS LVSAIVVGAV LGMKLSFDMD SFEGSVLFPT PFVAIGLTAL IGYLITLDLV
     SSIIIGIFAS VFSKFTNKIF PGVNNDIN