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NB1_MYCMM
ID   NB1_MYCMM               Reviewed;         223 AA.
AC   B2HH20;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Peroxynitrite isomerase 1;
DE            EC=5.99.-.- {ECO:0000255|HAMAP-Rule:MF_01297};
DE   AltName: Full=Ferric nitrobindin;
DE            Short=Nb(III);
GN   OrderedLocusNames=MMAR_4871;
OS   Mycobacterium marinum (strain ATCC BAA-535 / M).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium.
OX   NCBI_TaxID=216594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-535 / M;
RX   PubMed=18403782; DOI=10.1101/gr.075069.107;
RA   Stinear T.P., Seemann T., Harrison P.F., Jenkin G.A., Davies J.K.,
RA   Johnson P.D., Abdellah Z., Arrowsmith C., Chillingworth T., Churcher C.,
RA   Clarke K., Cronin A., Davis P., Goodhead I., Holroyd N., Jagels K.,
RA   Lord A., Moule S., Mungall K., Norbertczak H., Quail M.A.,
RA   Rabbinowitsch E., Walker D., White B., Whitehead S., Small P.L., Brosch R.,
RA   Ramakrishnan L., Fischbach M.A., Parkhill J., Cole S.T.;
RT   "Insights from the complete genome sequence of Mycobacterium marinum on the
RT   evolution of Mycobacterium tuberculosis.";
RL   Genome Res. 18:729-741(2008).
CC   -!- FUNCTION: Heme-binding protein able to scavenge peroxynitrite and to
CC       protect free L-tyrosine against peroxynitrite-mediated nitration, by
CC       acting as a peroxynitrite isomerase that converts peroxynitrite to
CC       nitrate. Therefore, this protein likely plays a role in peroxynitrite
CC       sensing and in the detoxification of reactive nitrogen and oxygen
CC       species (RNS and ROS, respectively). Is able to bind nitric oxide (NO)
CC       in vitro, but may act as a sensor of peroxynitrite levels in vivo.
CC       {ECO:0000255|HAMAP-Rule:MF_01297}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=peroxynitrite = nitrate; Xref=Rhea:RHEA:63116,
CC         ChEBI:CHEBI:17632, ChEBI:CHEBI:25941; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01297};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:63117;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01297};
CC   -!- COFACTOR:
CC       Name=heme b; Xref=ChEBI:CHEBI:60344;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01297};
CC       Note=Binds 1 heme b group per subunit, that coordinates a highly
CC       solvent-exposed Fe(III) atom. {ECO:0000255|HAMAP-Rule:MF_01297};
CC   -!- PATHWAY: Nitrogen metabolism. {ECO:0000255|HAMAP-Rule:MF_01297}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01297}.
CC   -!- DOMAIN: Forms a 10-stranded antiparallel beta-barrel structure able to
CC       accommodate a hydrophobic ligand in its interior. In fact, this fold
CC       hosts the heme group, which is located in a wide surface cleft.
CC       {ECO:0000255|HAMAP-Rule:MF_01297}.
CC   -!- SIMILARITY: Belongs to the nitrobindin family. {ECO:0000255|HAMAP-
CC       Rule:MF_01297}.
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DR   EMBL; CP000854; ACC43275.1; -; Genomic_DNA.
DR   RefSeq; WP_012396402.1; NC_010612.1.
DR   AlphaFoldDB; B2HH20; -.
DR   SMR; B2HH20; -.
DR   STRING; 216594.MMAR_4871; -.
DR   EnsemblBacteria; ACC43275; ACC43275; MMAR_4871.
DR   GeneID; 64258132; -.
DR   KEGG; mmi:MMAR_4871; -.
DR   eggNOG; COG4044; Bacteria.
DR   HOGENOM; CLU_085483_0_0_11; -.
DR   OMA; EKCNFGQ; -.
DR   OrthoDB; 1524197at2; -.
DR   Proteomes; UP000001190; Chromosome.
DR   GO; GO:0020037; F:heme binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0062213; F:peroxynitrite isomerase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd07828; lipocalin_heme-bd-THAP4-like; 1.
DR   Gene3D; 2.40.128.20; -; 1.
DR   HAMAP; MF_01297; nitrobindin; 1.
DR   InterPro; IPR012674; Calycin.
DR   InterPro; IPR022939; Nb(III)_bact/plant.
DR   InterPro; IPR045165; Nitrobindin.
DR   InterPro; IPR014878; THAP4-like_heme-bd.
DR   PANTHER; PTHR15854; PTHR15854; 1.
DR   Pfam; PF08768; THAP4_heme-bd; 1.
DR   SUPFAM; SSF50814; SSF50814; 1.
PE   3: Inferred from homology;
KW   Heme; Iron; Isomerase; Metal-binding; Reference proteome.
FT   CHAIN           1..223
FT                   /note="Peroxynitrite isomerase 1"
FT                   /id="PRO_0000356922"
FT   MOTIF           69..75
FT                   /note="GXWXGXG"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01297"
FT   BINDING         186
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01297"
FT   BINDING         213
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:0000255|HAMAP-Rule:MF_01297"
SQ   SEQUENCE   223 AA;  24042 MW;  614171FBED310C2B CRC64;
     MTSDASQDGP DAVAGSGDRA VAAAAERAKL TAARNIPTFD DLPLPADTAN LRHGANLHDA
     LLALLPLVGV WRGEGEGRGP HGDYRFGQQI VVSHDGGDYL NWEARSWRLD EDGQYEEPGL
     RETGFWRFVS DPEDDPSESQ AIELLLAHSA GYVELFYGRP LTQSSWELVT DALARSRSGV
     LVGGAKRLYG IIEGGDLAYV EERVDADGGL VPHLSARLSR YAG
 
 
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