ID   EHAA_METJA              Reviewed;          98 AA.
AC   Q57948;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Probable [NiFe]-hydrogenase-type-3 Eha complex membrane subunit A;
GN   Name=ehaA; OrderedLocusNames=MJ0528;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
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; L77117; AAB98519.1; -; Genomic_DNA.
DR   PIR; H64365; H64365.
DR   AlphaFoldDB; Q57948; -.
DR   STRING; 243232.MJ_0528; -.
DR   EnsemblBacteria; AAB98519; AAB98519; MJ_0528.
DR   KEGG; mja:MJ_0528; -.
DR   eggNOG; arCOG05035; Archaea.
DR   HOGENOM; CLU_174516_1_0_2; -.
DR   OMA; MKLSFDM; -.
DR   Proteomes; UP000000805; 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..98
FT                   /note="Probable [NiFe]-hydrogenase-type-3 Eha complex
FT                   membrane subunit A"
FT                   /id="PRO_0000138112"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        46..66
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        68..88
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   98 AA;  10936 MW;  B024D42F4239FE96 CRC64;
     MVYNNSLLVR VMDIIILYLI ALITSVIVAL VLKLPIIPKE KPIRFSFETS IIFPTPILAL
     GIEAIFRNLF GDYISLAFFA GLFGALLSKY ADKLFGEP