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COXX_STAA1
ID   COXX_STAA1              Reviewed;         303 AA.
AC   A7X128;
DT   08-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 2.
DT   25-MAY-2022, entry version 82.
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=SAHV_1108;
OS   Staphylococcus aureus (strain Mu3 / ATCC 700698).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=418127;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Mu3 / ATCC 700698;
RX   PubMed=17954695; DOI=10.1128/aac.00534-07;
RA   Neoh H.-M., Cui L., Yuzawa H., Takeuchi F., Matsuo M., Hiramatsu K.;
RT   "Mutated response regulator graR is responsible for phenotypic conversion
RT   of Staphylococcus aureus from heterogeneous vancomycin-intermediate
RT   resistance to vancomycin-intermediate resistance.";
RL   Antimicrob. Agents Chemother. 52:45-53(2008).
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   -!- SUBUNIT: Interacts with CtaA. {ECO:0000255|HAMAP-Rule:MF_00154}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00154};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-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=BAF77991.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AP009324; BAF77991.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_000031401.1; NC_009782.1.
DR   AlphaFoldDB; A7X128; -.
DR   SMR; A7X128; -.
DR   KEGG; saw:SAHV_1108; -.
DR   HOGENOM; CLU_029631_0_0_9; -.
DR   OMA; QFFWQFP; -.
DR   UniPathway; UPA00834; UER00712.
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; IPR044878; UbiA_sf.
DR   PANTHER; PTHR43448; PTHR43448; 1.
DR   Pfam; PF01040; UbiA; 1.
DR   TIGRFAMs; TIGR01473; cyoE_ctaB; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Heme biosynthesis; Membrane; Transferase; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..303
FT                   /note="Protoheme IX farnesyltransferase"
FT                   /id="PRO_0000327158"
FT   TRANSMEM        25..45
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        54..74
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        104..124
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        125..145
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        179..199
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        227..247
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        248..268
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
FT   TRANSMEM        280..300
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00154"
SQ   SEQUENCE   303 AA;  33859 MW;  099782578CFC3B1D CRC64;
     MSKEHTLSQN ISRVNFKELQ QIIKMGLVQG NLIPAFAGAW LAVVMTNHSF LSSIPQILLM
     LFGSTLIMGG ACALNNYYDQ DIDRIMPSKQ NRPTVNNRIT DQNLLLLSFG MMLVGEICLF
     LLNIPSGVLG LMGIVGYVSY YSIWSKRHTT WNTVIGSFPG AVPPLIGWVA IEGQISLTAI
     ALFLVVFCWQ PIHFYALAIK RKDEYALANI PMLPSVKGFK RTRVSMFIWL IILLPVPLLL
     INLGVVFVVL ATLLNLGWIA LGLTTFKKNS DQTKWATQMF IYSLNYLVIF FVLAVIVSLL
     TLI
 
 
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