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Database: UniProt
Entry: D7E0N6_NOSA0
LinkDB: D7E0N6_NOSA0
Original site: D7E0N6_NOSA0 
ID   D7E0N6_NOSA0            Unreviewed;       238 AA.
AC   D7E0N6;
DT   10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT   10-AUG-2010, sequence version 1.
DT   24-JAN-2024, entry version 58.
DE   RecName: Full=heme oxygenase (biliverdin-producing) {ECO:0000256|ARBA:ARBA00012360};
DE            EC=1.14.14.18 {ECO:0000256|ARBA:ARBA00012360};
GN   OrderedLocusNames=Aazo_2851 {ECO:0000313|EMBL:ADI64692.1};
OS   Nostoc azollae (strain 0708) (Anabaena azollae (strain 0708)).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae;
OC   Trichormus.
OX   NCBI_TaxID=551115 {ECO:0000313|EMBL:ADI64692.1, ECO:0000313|Proteomes:UP000001511};
RN   [1] {ECO:0000313|EMBL:ADI64692.1, ECO:0000313|Proteomes:UP000001511}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=0708 {ECO:0000313|EMBL:ADI64692.1,
RC   ECO:0000313|Proteomes:UP000001511};
RX   PubMed=20628610; DOI=10.1371/journal.pone.0011486;
RA   Ran L., Larsson J., Vigil-Stenman T., Nylander J.A., Ininbergs K.,
RA   Zheng W.W., Lapidus A., Lowry S., Haselkorn R., Bergman B.;
RT   "Genome erosion in a nitrogen-fixing vertically transmitted endosymbiotic
RT   multicellular cyanobacterium.";
RL   PLoS ONE 5:E11486-E11486(2010).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=heme b + 3 O2 + 3 reduced [NADPH--hemoprotein reductase] =
CC         biliverdin IXalpha + CO + Fe(2+) + H(+) + 3 H2O + 3 oxidized
CC         [NADPH--hemoprotein reductase]; Xref=Rhea:RHEA:21764, Rhea:RHEA-
CC         COMP:11964, Rhea:RHEA-COMP:11965, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:17245,
CC         ChEBI:CHEBI:29033, ChEBI:CHEBI:57618, ChEBI:CHEBI:57991,
CC         ChEBI:CHEBI:58210, ChEBI:CHEBI:60344; EC=1.14.14.18;
CC         Evidence={ECO:0000256|ARBA:ARBA00001701};
CC   -!- SIMILARITY: Belongs to the heme oxygenase family.
CC       {ECO:0000256|ARBA:ARBA00006134}.
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DR   EMBL; CP002059; ADI64692.1; -; Genomic_DNA.
DR   RefSeq; WP_013191708.1; NC_014248.1.
DR   AlphaFoldDB; D7E0N6; -.
DR   STRING; 551115.Aazo_2851; -.
DR   KEGG; naz:Aazo_2851; -.
DR   eggNOG; COG5398; Bacteria.
DR   HOGENOM; CLU_057050_2_0_3; -.
DR   OMA; KKSHTMA; -.
DR   OrthoDB; 5493802at2; -.
DR   Proteomes; UP000001511; Chromosome.
DR   GO; GO:0004392; F:heme oxygenase (decyclizing) activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006788; P:heme oxidation; IEA:InterPro.
DR   CDD; cd19165; HemeO; 1.
DR   Gene3D; 1.20.910.10; Heme oxygenase-like; 1.
DR   InterPro; IPR002051; Haem_Oase.
DR   InterPro; IPR016053; Haem_Oase-like.
DR   InterPro; IPR016084; Haem_Oase-like_multi-hlx.
DR   InterPro; IPR018207; Haem_oxygenase_CS.
DR   PANTHER; PTHR10720; HEME OXYGENASE; 1.
DR   PANTHER; PTHR10720:SF0; HEME OXYGENASE; 1.
DR   Pfam; PF01126; Heme_oxygenase; 1.
DR   PIRSF; PIRSF000343; Haem_Oase; 1.
DR   PRINTS; PR00088; HAEMOXYGNASE.
DR   SUPFAM; SSF48613; Heme oxygenase-like; 1.
DR   PROSITE; PS00593; HEME_OXYGENASE; 1.
PE   3: Inferred from homology;
KW   Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR000343-1};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000343-2};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW   ECO:0000256|PIRSR:PIRSR000343-2};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW   ECO:0000313|EMBL:ADI64692.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000001511}.
FT   BINDING         10
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000343-1"
FT   BINDING         17
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000343-2"
FT   BINDING         125
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000343-1"
FT   BINDING         173
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000343-1"
SQ   SEQUENCE   238 AA;  27026 MW;  DF9AEF31C1F85EF2 CRC64;
     MSSNLASKLR IGTKKAHTMA ENVGFVKCFL KGVVEKSSYR KLVANFYFIY SAMEEEMEKH
     KDHPVVGKIY FPQLNRKHTL EQDLTYYYGY NWREQIKLSS AGEAYVQRIR EISAKEPELL
     VAHSYTRYMG DLSGGQILKG IAQTAMNLGE GEGTGFYEFA DITDEKAFKA EYRQNLDAMP
     IDDTAGDRIV EEANAAFDVN MKMFQELEGN LIKAIGVMVY NTMTRKRTRG STELATAE
//
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