ID   FIXX_RHIME              Reviewed;          98 AA.
AC   P09822;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   25-MAY-2022, entry version 106.
DE   RecName: Full=Ferredoxin-like protein;
GN   Name=fixX; OrderedLocusNames=RA0444; ORFNames=SMa0816;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OG   Plasmid pSymA (megaplasmid 1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=3029021; DOI=10.1128/jb.169.3.1127-1136.1987;
RA   Earl C.D., Ronson C.W., Ausubel F.M.;
RT   "Genetic and structural analysis of the Rhizobium meliloti fixA, fixB,
RT   fixC, and fixX genes.";
RL   J. Bacteriol. 169:1127-1136(1987).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3031010; DOI=10.1128/jb.169.4.1403-1409.1987;
RA   Dusha I., Kovalenko S., Banfalvi Z., Kondorosi A.;
RT   "Rhizobium meliloti insertion element ISRm2 and its use for identification
RT   of the fixX gene.";
RL   J. Bacteriol. 169:1403-1409(1987).
RN   [3]
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., Barloy-Hubler F.,
RA   Bowser L., Capela D., Galibert F., Gouzy J., Gurjal M., Hong A., Huizar L.,
RA   Hyman R.W., Kahn D., Kahn M.L., Kalman S., Keating D.H., Palm C.,
RA   Peck M.C., Surzycki R., Wells D.H., Yeh K.-C., Davis R.W., Federspiel N.A.,
RA   Long S.R.;
RT   "Nucleotide sequence and predicted functions of the entire Sinorhizobium
RT   meliloti pSymA megaplasmid.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9883-9888(2001).
RN   [4]
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., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   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: Could be a 3Fe-4S cluster-containing protein.
CC   -!- SIMILARITY: To ferredoxins from P.putida and C.tartarivorum, ferredoxin
CC       I from A.vinelandii, ferredoxin II from D.desulfuricans. {ECO:0000305}.
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DR   EMBL; M15546; AAA21771.1; -; Genomic_DNA.
DR   EMBL; M15787; AAA26282.1; -; Genomic_DNA.
DR   EMBL; AE006469; AAK65102.1; -; Genomic_DNA.
DR   PIR; D26952; FERMX.
DR   PIR; D95317; D95317.
DR   RefSeq; NP_435690.1; NC_003037.1.
DR   RefSeq; WP_010967432.1; NC_003037.1.
DR   AlphaFoldDB; P09822; -.
DR   SMR; P09822; -.
DR   EnsemblBacteria; AAK65102; AAK65102; SMa0816.
DR   GeneID; 61599255; -.
DR   KEGG; sme:SMa0816; -.
DR   PATRIC; fig|266834.11.peg.457; -.
DR   HOGENOM; CLU_163428_0_0_5; -.
DR   OMA; LECGSCR; -.
DR   Proteomes; UP000001976; Plasmid pSymA.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0051536; F:iron-sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR012206; Fd_FixX.
DR   PANTHER; PTHR43082; PTHR43082; 1.
DR   PIRSF; PIRSF036548; Fdx_FixX; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 1.
DR   PROSITE; PS51379; 4FE4S_FER_2; 1.
PE   4: Predicted;
KW   Electron transport; Iron; Iron-sulfur; Metal-binding; Nitrogen fixation;
KW   Plasmid; Reference proteome; Transport.
FT   CHAIN           1..98
FT                   /note="Ferredoxin-like protein"
FT                   /id="PRO_0000159209"
FT   DOMAIN          57..87
FT                   /note="4Fe-4S ferredoxin-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   CONFLICT        62
FT                   /note="T -> I (in Ref. 2; AAA26282)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        97
FT                   /note="F -> S (in Ref. 2; AAA26282)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   98 AA;  10938 MW;  0201C1A92364C2D8 CRC64;
     MKTAIAERIE DKLYQNRYLV DAGRPHITVR PHRSPSLNLL ALTRVCPAKC YELNETGQVE
     VTADGCMECG TCRVLCEANG DVEWSYPRGG FGVLFKFG