ID   HEMH_AQUAE              Reviewed;         309 AA.
AC   O67083;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   03-AUG-2022, entry version 118.
DE   RecName: Full=Ferrochelatase {ECO:0000255|HAMAP-Rule:MF_00323};
DE            EC=4.99.1.1 {ECO:0000255|HAMAP-Rule:MF_00323};
DE   AltName: Full=Heme synthase {ECO:0000255|HAMAP-Rule:MF_00323};
DE   AltName: Full=Protoheme ferro-lyase {ECO:0000255|HAMAP-Rule:MF_00323};
GN   Name=hemH {ECO:0000255|HAMAP-Rule:MF_00323}; OrderedLocusNames=aq_948;
OS   Aquifex aeolicus (strain VF5).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX   NCBI_TaxID=224324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VF5;
RX   PubMed=9537320; DOI=10.1038/32831;
RA   Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA   Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA   Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT   "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL   Nature 392:353-358(1998).
CC   -!- FUNCTION: Catalyzes the ferrous insertion into protoporphyrin IX.
CC       {ECO:0000255|HAMAP-Rule:MF_00323}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+) + heme b = Fe(2+) + protoporphyrin IX;
CC         Xref=Rhea:RHEA:22584, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033,
CC         ChEBI:CHEBI:57306, ChEBI:CHEBI:60344; EC=4.99.1.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00323};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoheme
CC       biosynthesis; protoheme from protoporphyrin-IX: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00323}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00323}.
CC   -!- SIMILARITY: Belongs to the ferrochelatase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00323, ECO:0000305}.
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DR   EMBL; AE000657; AAC07043.1; -; Genomic_DNA.
DR   PIR; H70381; H70381.
DR   RefSeq; NP_213646.1; NC_000918.1.
DR   RefSeq; WP_010880584.1; NC_000918.1.
DR   AlphaFoldDB; O67083; -.
DR   SMR; O67083; -.
DR   STRING; 224324.aq_948; -.
DR   EnsemblBacteria; AAC07043; AAC07043; aq_948.
DR   KEGG; aae:aq_948; -.
DR   PATRIC; fig|224324.8.peg.744; -.
DR   eggNOG; COG0276; Bacteria.
DR   HOGENOM; CLU_018884_4_1_0; -.
DR   InParanoid; O67083; -.
DR   OMA; FSYHGVP; -.
DR   OrthoDB; 780534at2; -.
DR   UniPathway; UPA00252; UER00325.
DR   Proteomes; UP000000798; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004325; F:ferrochelatase activity; IBA:GO_Central.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006783; P:heme biosynthetic process; IBA:GO_Central.
DR   CDD; cd00419; Ferrochelatase_C; 1.
DR   CDD; cd03411; Ferrochelatase_N; 1.
DR   HAMAP; MF_00323; Ferrochelatase; 1.
DR   InterPro; IPR001015; Ferrochelatase.
DR   InterPro; IPR019772; Ferrochelatase_AS.
DR   InterPro; IPR033644; Ferrochelatase_C.
DR   InterPro; IPR033659; Ferrochelatase_N.
DR   PANTHER; PTHR11108; PTHR11108; 1.
DR   Pfam; PF00762; Ferrochelatase; 1.
DR   TIGRFAMs; TIGR00109; hemH; 1.
DR   PROSITE; PS00534; FERROCHELATASE; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Heme biosynthesis; Iron; Lyase; Metal-binding;
KW   Porphyrin biosynthesis; Reference proteome.
FT   CHAIN           1..309
FT                   /note="Ferrochelatase"
FT                   /id="PRO_0000175101"
FT   BINDING         185
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00323"
FT   BINDING         264
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00323"
SQ   SEQUENCE   309 AA;  36037 MW;  BC8C9295F07951E5 CRC64;
     MKKGVILINL GGPDSLEAVE PFLYNLFSDP DIFSLPFQKV LAKIIAKLRA KKTRHYYELM
     GGKSPQYEQT LEQAKALQER LGEDYKVVVG MRYWKPYIKD ALSELLKEGI NEVILLPLYP
     QYSKTTTGSA FNEFERSKKA LKADHIKVKK IEHFYDHPLY IKAWAEQIKQ SVEKPEEYHF
     LFSAHSLPKK LIEEGDPYQE QTEKTVKLIM ENFPEVEYTL AYQSKVGFGK WLEPSTDEVI
     RNLIKKEVKK LLVIPISFVS EHSETLYELD KQYRELAQEL GYEEFVRVPT LRTNPYFISA
     LEDLVKNEV