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COXX_SINFN
ID   COXX_SINFN              Reviewed;         318 AA.
AC   C3MHJ3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=Protoheme IX farnesyltransferase {ECO:0000255|HAMAP-Rule:MF_00154};
DE            EC=2.5.1.141 {ECO:0000255|HAMAP-Rule:MF_00154};
DE   AltName: Full=Heme B farnesyltransferase {ECO:0000255|HAMAP-Rule:MF_00154};
DE   AltName: Full=Heme O synthase {ECO:0000255|HAMAP-Rule:MF_00154};
GN   Name=ctaB {ECO:0000255|HAMAP-Rule:MF_00154}; OrderedLocusNames=NGR_c05250;
OS   Sinorhizobium fredii (strain NBRC 101917 / NGR234).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=394;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 101917 / NGR234;
RX   PubMed=19376903; DOI=10.1128/aem.00515-09;
RA   Schmeisser C., Liesegang H., Krysciak D., Bakkou N., Le Quere A.,
RA   Wollherr A., Heinemeyer I., Morgenstern B., Pommerening-Roeser A.,
RA   Flores M., Palacios R., Brenner S., Gottschalk G., Schmitz R.A.,
RA   Broughton W.J., Perret X., Strittmatter A.W., Streit W.R.;
RT   "Rhizobium sp. strain NGR234 possesses a remarkable number of secretion
RT   systems.";
RL   Appl. Environ. Microbiol. 75:4035-4045(2009).
CC   -!- FUNCTION: Converts heme B (protoheme IX) to heme O by substitution of
CC       the vinyl group on carbon 2 of heme B porphyrin ring with a
CC       hydroxyethyl farnesyl side group. {ECO:0000255|HAMAP-Rule:MF_00154}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2E,6E)-farnesyl diphosphate + H2O + heme b = diphosphate +
CC         Fe(II)-heme o; Xref=Rhea:RHEA:28070, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:60344, ChEBI:CHEBI:60530,
CC         ChEBI:CHEBI:175763; EC=2.5.1.141; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00154};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; heme O biosynthesis;
CC       heme O from protoheme: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00154}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00154}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00154}.
CC   -!- MISCELLANEOUS: Carbon 2 of the heme B porphyrin ring is defined
CC       according to the Fischer nomenclature. {ECO:0000255|HAMAP-
CC       Rule:MF_00154}.
CC   -!- SIMILARITY: Belongs to the UbiA prenyltransferase family. Protoheme IX
CC       farnesyltransferase subfamily. {ECO:0000255|HAMAP-Rule:MF_00154}.
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DR   EMBL; CP001389; ACP24321.1; -; Genomic_DNA.
DR   RefSeq; WP_012707106.1; NC_012587.1.
DR   RefSeq; YP_002825074.1; NC_012587.1.
DR   AlphaFoldDB; C3MHJ3; -.
DR   SMR; C3MHJ3; -.
DR   STRING; 394.NGR_c05250; -.
DR   EnsemblBacteria; ACP24321; ACP24321; NGR_c05250.
DR   KEGG; rhi:NGR_c05250; -.
DR   PATRIC; fig|394.7.peg.3338; -.
DR   eggNOG; COG0109; Bacteria.
DR   HOGENOM; CLU_029631_0_2_5; -.
DR   OMA; QFFWQFP; -.
DR   OrthoDB; 1875497at2; -.
DR   UniPathway; UPA00834; UER00712.
DR   Proteomes; UP000001054; Chromosome.
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:0008495; F:protoheme IX farnesyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0048034; P:heme O biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd13957; PT_UbiA_Cox10; 1.
DR   Gene3D; 1.10.357.140; -; 1.
DR   HAMAP; MF_00154; CyoE_CtaB; 1.
DR   InterPro; IPR006369; Protohaem_IX_farnesylTrfase.
DR   InterPro; IPR000537; UbiA_prenyltransferase.
DR   InterPro; IPR030470; UbiA_prenylTrfase_CS.
DR   InterPro; IPR044878; UbiA_sf.
DR   PANTHER; PTHR43448; PTHR43448; 1.
DR   Pfam; PF01040; UbiA; 1.
DR   TIGRFAMs; TIGR01473; cyoE_ctaB; 1.
DR   PROSITE; PS00943; UBIA; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Heme biosynthesis; Membrane;
KW   Reference proteome; Transferase; Transmembrane; Transmembrane helix.
FT   CHAIN           1..318
FT                   /note="Protoheme IX farnesyltransferase"
FT                   /id="PRO_1000199658"
FT   TRANSMEM        34..54
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        55..75
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        95..115
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        118..138
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        155..175
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        182..202
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        228..250
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        254..273
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        287..307
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
SQ   SEQUENCE   318 AA;  34015 MW;  3A323D04C54E185B CRC64;
     MTLIDNHEAV GMEGVPRLSE ASARDYFELL KPRVMSLVVF TAFAGLVLAP GQINPVIGFI
     AILCIAIGAG ASGALNMWYD ADIDAVMSRT AKRPIPAGKI LPQEALAFGL TLSAFSVIIL
     GLAVNWLAAG LLAFTIFFYV VIYTMWLKRS TPQNIVIGGA AGAFPPMIGW ACVTGGVSVE
     SIVLFLIIFL WTPAHFWALA LFKMGDYGAV GVPMMPNVCG EATTKRQIVV YALLTALSGI
     CPTLLGFASL GYGAFATALG LGFIWYSLAV LRMPEADKRM LPAKKLFAFS IAYLFAIFSA
     LLVDYMIAHV WLDAGGII
 
 
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