COXX_CUPMC
ID COXX_CUPMC Reviewed; 305 AA.
AC Q1LRS0;
DT 08-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 2.
DT 25-MAY-2022, entry version 94.
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=Rmet_0270;
OS Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 /
OS CH34) (Ralstonia metallidurans).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Cupriavidus.
OX NCBI_TaxID=266264;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43123 / DSM 2839 / NBRC 102507 / CH34;
RX PubMed=20463976; DOI=10.1371/journal.pone.0010433;
RA Janssen P.J., Van Houdt R., Moors H., Monsieurs P., Morin N., Michaux A.,
RA Benotmane M.A., Leys N., Vallaeys T., Lapidus A., Monchy S., Medigue C.,
RA Taghavi S., McCorkle S., Dunn J., van der Lelie D., Mergeay M.;
RT "The complete genome sequence of Cupriavidus metallidurans strain CH34, a
RT master survivalist in harsh and anthropogenic environments.";
RL PLoS ONE 5:E10433-E10433(2010).
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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=ABF07156.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000352; ABF07156.1; ALT_INIT; Genomic_DNA.
DR AlphaFoldDB; Q1LRS0; -.
DR SMR; Q1LRS0; -.
DR STRING; 266264.Rmet_0270; -.
DR EnsemblBacteria; ABF07156; ABF07156; Rmet_0270.
DR KEGG; rme:Rmet_0270; -.
DR eggNOG; COG0109; Bacteria.
DR HOGENOM; CLU_029631_0_2_4; -.
DR UniPathway; UPA00834; UER00712.
DR Proteomes; UP000002429; 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..305
FT /note="Protoheme IX farnesyltransferase"
FT /id="PRO_0000327127"
FT TRANSMEM 29..49
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 51..71
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 101..121
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 123..143
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 151..171
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 177..197
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 221..241
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 244..264
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT TRANSMEM 283..303
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
SQ SEQUENCE 305 AA; 33576 MW; B6B5EBC28D1C0DD6 CRC64;
MVTATHSQSS VGRLRHLARQ YAALTKPRVT QLAVFCAIIG MFLATPGMVP WSVLIGGAAG
IWLLAGAAFA INCLVEQKID ALMRRTAWRP SATGEITTTQ TLIFSAVLGG AGMWLLHVFA
NDLTMWLTFA TFLGYAVVYT ILLKPATPQN IVIGGLSGAM PPALGWSAVS GTVPAEAWFL
VLIIFTWTPP HFWALALYRR ADYAKSGLPM LPITHGERYT LLHILLYTLI MIAATLLPFV
YGMSGYIYLV AALGLGLVFL GYAWKLYRNY SDGLAQRTFR YSILYLSLLF AVLLVDHYFK
FVPQV
