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NB_RENSM
ID   NB_RENSM                Reviewed;         210 AA.
AC   A9WNI9;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 2.
DT   03-AUG-2022, entry version 61.
DE   RecName: Full=Peroxynitrite isomerase;
DE            EC=5.99.-.- {ECO:0000255|HAMAP-Rule:MF_01297};
DE   AltName: Full=Ferric nitrobindin;
DE            Short=Nb(III);
GN   OrderedLocusNames=RSal33209_0970;
OS   Renibacterium salmoninarum (strain ATCC 33209 / DSM 20767 / JCM 11484 /
OS   NBRC 15589 / NCIMB 2235).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Renibacterium.
OX   NCBI_TaxID=288705;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33209 / DSM 20767 / JCM 11484 / NBRC 15589 / NCIMB 2235;
RX   PubMed=18723615; DOI=10.1128/jb.00721-08;
RA   Wiens G.D., Rockey D.D., Wu Z., Chang J., Levy R., Crane S., Chen D.S.,
RA   Capri G.R., Burnett J.R., Sudheesh P.S., Schipma M.J., Burd H.,
RA   Bhattacharyya A., Rhodes L.D., Kaul R., Strom M.S.;
RT   "Genome sequence of the fish pathogen Renibacterium salmoninarum suggests
RT   reductive evolution away from an environmental Arthrobacter ancestor.";
RL   J. Bacteriol. 190:6970-6982(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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABY22711.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000910; ABY22711.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_041684426.1; NC_010168.1.
DR   AlphaFoldDB; A9WNI9; -.
DR   SMR; A9WNI9; -.
DR   STRING; 288705.RSal33209_0970; -.
DR   EnsemblBacteria; ABY22711; ABY22711; RSal33209_0970.
DR   KEGG; rsa:RSal33209_0970; -.
DR   eggNOG; COG3485; Bacteria.
DR   HOGENOM; CLU_085483_0_1_11; -.
DR   OrthoDB; 1524197at2; -.
DR   Proteomes; UP000002007; 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..210
FT                   /note="Peroxynitrite isomerase"
FT                   /id="PRO_0000356945"
FT   MOTIF           21..27
FT                   /note="GXWXGXG"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01297"
FT   BINDING         190
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   210 AA;  22808 MW;  8FDFD2B5D32D503F CRC64;
     MPVEIPRDLT PELVPLSWLL GQWEGQGRLG TGEAESEHFF QRVTFSSNGL PYLEYVAESW
     LTDEEGMKLR PLSVEMGFWA LDRKLGEADG GPGLIPADIV PALTTADDVE KLRNDTSGFD
     ITATIVHPGG ISELYYGTIK GPQIELSTDA VMRGAGAKDY SAATRIFGLV NGDLFWRWDV
     AAEGNSLEAH ASAILKKTAA PESAEQRPSE
 
 
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