ID   HEMH_PELUB              Reviewed;         344 AA.
AC   Q4FNS1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=SAR11_0346;
OS   Pelagibacter ubique (strain HTCC1062).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Pelagibacterales;
OC   Pelagibacteraceae; Candidatus Pelagibacter.
OX   NCBI_TaxID=335992;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC1062;
RX   PubMed=16109880; DOI=10.1126/science.1114057;
RA   Giovannoni S.J., Tripp H.J., Givan S., Podar M., Vergin K.L., Baptista D.,
RA   Bibbs L., Eads J., Richardson T.H., Noordewier M., Rappe M.S., Short J.M.,
RA   Carrington J.C., Mathur E.J.;
RT   "Genome streamlining in a cosmopolitan oceanic bacterium.";
RL   Science 309:1242-1245(2005).
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}.
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DR   EMBL; CP000084; AAZ21168.1; -; Genomic_DNA.
DR   RefSeq; WP_011281639.1; NC_007205.1.
DR   AlphaFoldDB; Q4FNS1; -.
DR   SMR; Q4FNS1; -.
DR   STRING; 335992.SAR11_0346; -.
DR   EnsemblBacteria; AAZ21168; AAZ21168; SAR11_0346.
DR   GeneID; 66294844; -.
DR   KEGG; pub:SAR11_0346; -.
DR   eggNOG; COG0276; Bacteria.
DR   HOGENOM; CLU_018884_4_1_5; -.
DR   OMA; FSYHGVP; -.
DR   OrthoDB; 780534at2; -.
DR   UniPathway; UPA00252; UER00325.
DR   Proteomes; UP000002528; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004325; F:ferrochelatase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006783; P:heme biosynthetic process; IEA:UniProtKB-UniRule.
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..344
FT                   /note="Ferrochelatase"
FT                   /id="PRO_1000019334"
FT   BINDING         191
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00323"
FT   BINDING         271
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00323"
SQ   SEQUENCE   344 AA;  39436 MW;  0C1D2F9831A17660 CRC64;
     MKKAVILFNL GGPDKIENVE PFLFNLFNDP AILNLPTILR YPLAKLISNR RAPVAKKIYK
     ELGGSSPILK LTMAQSKALE TKLNQTEIDS EYKCFIVMRC WNPRANDVIK DVQSFNPEEI
     ILMPLYPQYS AATSGSSIKE WRDVCKKNNY HVKTNTICCY PTDQNFINAH TKEIIKKIKD
     LKNFKLIFSA HGLPEKNIKK GDPYQWQVEQ SVKKIVENLN IENLDWILSY QSRVGPLKWI
     GPSTEDIIVE NSKLAKHIVL VPIAFVSEHS ETLVELDIEY KEIADANGCK NYTRVPALGT
     NEDFIKAMSE LIIKKNEYKF SENLYPPKIQ CPSNFKKCPC LNYE