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NB1_MYCVP
ID   NB1_MYCVP               Reviewed;         164 AA.
AC   A1T297;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=Mvan_0449;
OS   Mycolicibacterium vanbaalenii (strain DSM 7251 / JCM 13017 / BCRC 16820 /
OS   KCTC 9966 / NRRL B-24157 / PYR-1) (Mycobacterium vanbaalenii).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycolicibacterium.
OX   NCBI_TaxID=350058;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 7251 / JCM 13017 / BCRC 16820 / KCTC 9966 / NRRL B-24157 /
RC   PYR-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Singan V., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Anderson I.J., Miller C., Richardson P.;
RT   "Complete sequence of Mycobacterium vanbaalenii PYR-1.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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   -!- 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; CP000511; ABM11297.1; -; Genomic_DNA.
DR   RefSeq; WP_011777769.1; NC_008726.1.
DR   AlphaFoldDB; A1T297; -.
DR   SMR; A1T297; -.
DR   STRING; 350058.Mvan_0449; -.
DR   EnsemblBacteria; ABM11297; ABM11297; Mvan_0449.
DR   KEGG; mva:Mvan_0449; -.
DR   eggNOG; COG4044; Bacteria.
DR   HOGENOM; CLU_085483_0_0_11; -.
DR   OMA; YSQKTWK; -.
DR   OrthoDB; 1524197at2; -.
DR   Proteomes; UP000009159; 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..164
FT                   /note="Peroxynitrite isomerase 1"
FT                   /id="PRO_0000356939"
FT   MOTIF           20..26
FT                   /note="GXWXGXG"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01297"
FT   BINDING         155
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   164 AA;  17690 MW;  BF91BF97513C5C3E CRC64;
     MADSVPALHP DVAALAPLLG TWVGEGSGEY PTIEPFGYTE EITFGHVGKP FLTYAQRTRA
     ADDGRPLHAE TGYLRASAPD RIEWILAHPT GITEIQEGQL TADGDGLRME LVSSSIGRSG
     SAKEVTDVGR SIELRGDTLT YTLRMAAVGQ PLQHHLSAVL RRVR
 
 
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