ID   FIXX_ECOLI              Reviewed;          95 AA.
AC   P68646; P31576; P75627;
DT   07-DEC-2004, integrated into UniProtKB/Swiss-Prot.
DT   07-DEC-2004, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=Ferredoxin-like protein FixX;
GN   Name=fixX; Synonyms=yaaT; OrderedLocusNames=b0044, JW0043;
OS   Escherichia coli (strain K12).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12;
RX   PubMed=1630901; DOI=10.1093/nar/20.13.3305;
RA   Yura T., Mori H., Nagai H., Nagata T., Ishihama A., Fujita N., Isono K.,
RA   Mizobuchi K., Nakata A.;
RT   "Systematic sequencing of the Escherichia coli genome: analysis of the 0-
RT   2.4 min region.";
RL   Nucleic Acids Res. 20:3305-3308(1992).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MG1655 / ATCC 47076;
RX   PubMed=9278503; DOI=10.1126/science.277.5331.1453;
RA   Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V.,
RA   Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F.,
RA   Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B.,
RA   Shao Y.;
RT   "The complete genome sequence of Escherichia coli K-12.";
RL   Science 277:1453-1462(1997).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND SEQUENCE REVISION TO 35
RP   AND 95.
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=16738553; DOI=10.1038/msb4100049;
RA   Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S.,
RA   Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.;
RT   "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655
RT   and W3110.";
RL   Mol. Syst. Biol. 2:E1-E5(2006).
RN   [4]
RP   GENE NAME.
RC   STRAIN=O44:K74;
RX   PubMed=7473063; DOI=10.1002/jobm.3620350404;
RA   Eichler K., Buchet A., Bourgis F., Kleber H.-P., Mandrand-Berthelot M.-A.;
RT   "The fix Escherichia coli region contains four genes related to carnitine
RT   metabolism.";
RL   J. Basic Microbiol. 35:217-227(1995).
RN   [5]
RP   PROBABLE FUNCTION.
RC   STRAIN=K12 / BW25113;
RX   PubMed=12081978; DOI=10.1128/jb.184.14.4044-4047.2002;
RA   Walt A., Kahn M.L.;
RT   "The fixA and fixB genes are necessary for anaerobic carnitine reduction in
RT   Escherichia coli.";
RL   J. Bacteriol. 184:4044-4047(2002).
CC   -!- FUNCTION: Could be part of an electron transfer system required for
CC       anaerobic carnitine reduction. Could be a 3Fe-4S cluster-containing
CC       protein.
CC   -!- INTERACTION:
CC       P68646; P07639: aroB; NbExp=2; IntAct=EBI-1113234, EBI-550843;
CC       P68646; P0ABH9: clpA; NbExp=2; IntAct=EBI-1113234, EBI-546140;
CC       P68646; P77806: ybdL; NbExp=3; IntAct=EBI-1113234, EBI-543661;
CC   -!- SIMILARITY: Belongs to the bacterial-type ferredoxin family. FixX
CC       subfamily. {ECO:0000305}.
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DR   EMBL; U00096; AAC73155.1; -; Genomic_DNA.
DR   EMBL; AP009048; BAB96612.2; -; Genomic_DNA.
DR   PIR; D64725; D64725.
DR   RefSeq; NP_414586.1; NC_000913.3.
DR   RefSeq; WP_000203741.1; NZ_SSZK01000004.1.
DR   AlphaFoldDB; P68646; -.
DR   SMR; P68646; -.
DR   BioGRID; 4262203; 10.
DR   BioGRID; 852884; 46.
DR   IntAct; P68646; 51.
DR   STRING; 511145.b0044; -.
DR   PaxDb; P68646; -.
DR   PRIDE; P68646; -.
DR   EnsemblBacteria; AAC73155; AAC73155; b0044.
DR   EnsemblBacteria; BAB96612; BAB96612; BAB96612.
DR   GeneID; 67416119; -.
DR   GeneID; 948590; -.
DR   KEGG; ecj:JW0043; -.
DR   KEGG; eco:b0044; -.
DR   PATRIC; fig|1411691.4.peg.2239; -.
DR   EchoBASE; EB1526; -.
DR   eggNOG; COG2440; Bacteria.
DR   HOGENOM; CLU_163428_1_0_6; -.
DR   InParanoid; P68646; -.
DR   OMA; LECGSCR; -.
DR   PhylomeDB; P68646; -.
DR   BioCyc; EcoCyc:EG11565-MON; -.
DR   PRO; PR:P68646; -.
DR   Proteomes; UP000000318; Chromosome.
DR   Proteomes; UP000000625; Chromosome.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   InterPro; IPR012206; Fd_FixX.
DR   PANTHER; PTHR43082; PTHR43082; 1.
DR   PIRSF; PIRSF036548; Fdx_FixX; 1.
PE   1: Evidence at protein level;
KW   4Fe-4S; Electron transport; Iron; Iron-sulfur; Metal-binding;
KW   Reference proteome; Transport.
FT   CHAIN           1..95
FT                   /note="Ferredoxin-like protein FixX"
FT                   /id="PRO_0000159212"
SQ   SEQUENCE   95 AA;  10479 MW;  999A9C8D5B694BE3 CRC64;
     MTSPVNVDVK LGVNKFNVDE EHPHIVVKAD ADKQALELLV KACPAGLYKK QDDGSVRFDY
     AGCLECGTCR ILGLGSALEQ WEYPRGTFGV EFRYG