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Database: UniProt
Entry: P18396
LinkDB: P18396
Original site: P18396 
ID   FIXG_RHIME              Reviewed;         524 AA.
AC   P18396;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   28-MAR-2018, entry version 120.
DE   RecName: Full=Nitrogen fixation protein FixG;
GN   Name=fixG; OrderedLocusNames=RA0661; ORFNames=SMa1211;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OG   Plasmid pSymA (megaplasmid 1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=RCR2011 / SU47;
RX   PubMed=2536685;
RA   Kahn D., David M., Domergue O., Daveran M.-L., Ghai J., Hirsch P.R.,
RA   Batut J.;
RT   "Rhizobium meliloti fixGHI sequence predicts involvement of a specific
RT   cation pump in symbiotic nitrogen fixation.";
RL   J. Bacteriol. 171:929-939(1989).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481432; DOI=10.1073/pnas.161294798;
RA   Barnett M.J., Fisher R.F., Jones T., Komp C., Abola A.P.,
RA   Barloy-Hubler F., Bowser L., Capela D., Galibert F., Gouzy J.,
RA   Gurjal M., Hong A., Huizar L., Hyman R.W., Kahn D., Kahn M.L.,
RA   Kalman S., Keating D.H., Palm C., Peck M.C., Surzycki R., Wells D.H.,
RA   Yeh K.-C., Davis R.W., Federspiel N.A., Long S.R.;
RT   "Nucleotide sequence and predicted functions of the entire
RT   Sinorhizobium meliloti pSymA megaplasmid.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9883-9888(2001).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F.,
RA   Gloux S., Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M.,
RA   Hernandez-Lucas I., Hong A., Huizar L., Hyman R.W., Jones T., Kahn D.,
RA   Kahn M.L., Kalman S., Keating D.H., Kiss E., Komp C., Lelaure V.,
RA   Masuy D., Palm C., Peck M.C., Pohl T.M., Portetelle D., Purnelle B.,
RA   Ramsperger U., Surzycki R., Thebault P., Vandenbol M.,
RA   Vorhoelter F.J., Weidner S., Wells D.H., Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
CC   -!- FUNCTION: FixG is predicted to be involved in a redox process. The
CC       four proteins FixG, FixH, FixI, and FixS may participate in a
CC       membrane-bound complex coupling the FixI cation pump with a redox
CC       process catalyzed by FixG.
CC   -!- SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
DR   EMBL; Z21854; CAA79905.1; -; Genomic_DNA.
DR   EMBL; AE006469; AAK65319.1; -; Genomic_DNA.
DR   PIR; A32052; A32052.
DR   PIR; E95344; E95344.
DR   RefSeq; NP_435907.1; NC_003037.1.
DR   RefSeq; WP_010967640.1; NC_003037.1.
DR   ProteinModelPortal; P18396; -.
DR   SMR; P18396; -.
DR   EnsemblBacteria; AAK65319; AAK65319; SMa1211.
DR   GeneID; 1235697; -.
DR   KEGG; sme:SMa1211; -.
DR   PATRIC; fig|266834.11.peg.681; -.
DR   HOGENOM; HOG000284963; -.
DR   OMA; DINIHRR; -.
DR   Proteomes; UP000001976; Plasmid pSymA.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
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:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   GO; GO:0055114; P:oxidation-reduction process; IEA:UniProtKB-KW.
DR   Gene3D; 2.60.40.10; -; 1.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR014116; Cyt_c_oxidase_cbb3_FixG.
DR   InterPro; IPR032879; FixG_C.
DR   InterPro; IPR013783; Ig-like_fold.
DR   Pfam; PF13746; Fer4_18; 1.
DR   Pfam; PF12801; Fer4_5; 1.
DR   Pfam; PF11614; FixG_C; 1.
DR   TIGRFAMs; TIGR02745; ccoG_rdxA_fixG; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 1.
DR   PROSITE; PS51379; 4FE4S_FER_2; 1.
PE   4: Predicted;
KW   4Fe-4S; Cell membrane; Complete proteome; Electron transport; Iron;
KW   Iron-sulfur; Membrane; Metal-binding; Nitrogen fixation; Plasmid;
KW   Reference proteome; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN         1    524       Nitrogen fixation protein FixG.
FT                                /FTId=PRO_0000159236.
FT   TRANSMEM     99    119       Helical. {ECO:0000255}.
FT   TRANSMEM    173    193       Helical. {ECO:0000255}.
FT   TRANSMEM    207    227       Helical. {ECO:0000255}.
FT   TRANSMEM    380    400       Helical. {ECO:0000255}.
FT   DOMAIN      272    299       4Fe-4S ferredoxin-type.
FT                                {ECO:0000255|PROSITE-ProRule:PRU00711}.
FT   METAL       280    280       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       283    283       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       286    286       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       290    290       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       304    304       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       307    307       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       310    310       Iron-sulfur (4Fe-4S). {ECO:0000250}.
FT   METAL       314    314       Iron-sulfur (4Fe-4S). {ECO:0000250}.
SQ   SEQUENCE   524 AA;  58304 MW;  1B0151AF063F28F0 CRC64;
     MLHQPKTKAT VGRLDAETVN AARVRGPLYE KRRKIFPKRA EGRFRRFKWL VMLVTLGIYY
     LTPWIRWDRG AHAPDQAVLI DLASRRFYFF FIEIWPQEFF FVAGLLVMAG FGLFLVTSAV
     GRAWCGYACP QTVWVDLFLV VERFIEGDRN ARMRLDAGPW SLDKIRKRVA KHAIWVAIGV
     ATGGAWIFYF ADAPSLMSSL VALDAPPVAY TTIGILTATT YVFGGLMREQ VCTYMCPWPR
     IQAAMLDENS LVVTYNDWRG EPRSRHAKKA AAAGEVVGDC VDCNACVAVC PMGIDIRDGQ
     QLECITCALC IDACDGVMDK LGRERGLISY ATLSDYAANM ALATSGGTAA IDPSRVRNAH
     GAFRDKVRHL NWRIVFRPRV LVYFGVWATV GFGLLFGLLA RDRLELNVLH DRNPQFVVES
     DGSVRNGYMV KLLNMIPEQR TISLTIEGMP AATMRVAGQA TGDGRRVTIG VEPDKVTPLK
     VFVTLPKGRF AEAEEGFSLI AEDPSSHERD VYQANFNLPG AAGR
//
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