ID PTSO_KLEOX Reviewed; 90 AA.
AC P51185;
DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1996, sequence version 1.
DT 06-MAR-2013, entry version 71.
DE RecName: Full=Phosphocarrier protein NPr;
DE EC=2.7.11.-;
DE AltName: Full=Nitrogen-related HPr;
GN Name=ptsO; Synonyms=npr;
OS Klebsiella oxytoca.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales;
OC Enterobacteriaceae; Klebsiella.
OX NCBI_TaxID=571;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=M5a1;
RA Merrick M.J., Taylor M.;
RT "Sequence and characterisation of distal genes in the Klebsiella
RT pneumoniae rpoN operon.";
RL Submitted (AUG-1995) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Component of the phosphoenolpyruvate-dependent nitrogen-
CC metabolic phosphotransferase system (nitrogen-metabolic PTS), that
CC seems to be involved in regulating nitrogen metabolism. The
CC phosphoryl group from phosphoenolpyruvate (PEP) is transferred to
CC the phosphoryl carrier protein NPr by enzyme I-Ntr. Phospho-NPr
CC then transfers it to EIIA-Ntr. Could function in the
CC transcriptional regulation of sigma-54 dependent operons in
CC conjunction with the NPr (PtsO) and EIIA-Ntr (PtsN) proteins (By
CC similarity).
CC -!- CATALYTIC ACTIVITY: Protein NPr N(pi)-phospho-L-histidine +
CC protein EIIA-Ntr = protein NPr + protein EIIA-Ntr N(tau)-phospho-
CC L-histidine.
CC -!- SUBCELLULAR LOCATION: Cytoplasm (Probable).
CC -!- SIMILARITY: Belongs to the HPr family.
CC -!- SIMILARITY: Contains 1 HPr domain.
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DR EMBL; Z50803; CAA90685.1; -; Genomic_DNA.
DR PIR; S60667; S60667.
DR ProteinModelPortal; P51185; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004674; F:protein serine/threonine kinase activity; IEA:UniProtKB-KW.
DR GO; GO:0005351; F:sugar:hydrogen symporter activity; IEA:InterPro.
DR GO; GO:0009401; P:phosphoenolpyruvate-dependent sugar phosphotransferase system; IEA:UniProtKB-KW.
DR Gene3D; 3.30.1340.10; -; 1.
DR InterPro; IPR001020; PTS_HPr_His_P_site.
DR InterPro; IPR005698; PTS_HPr_prot.
DR InterPro; IPR000032; PTS_HPr_prot-like.
DR InterPro; IPR002114; PTS_HPr_Ser_P_site.
DR Pfam; PF00381; PTS-HPr; 1.
DR PRINTS; PR00107; PHOSPHOCPHPR.
DR SUPFAM; SSF55594; HPr_protein; 1.
DR TIGRFAMs; TIGR01003; PTS_HPr_family; 1.
DR PROSITE; PS51350; PTS_HPR_DOM; 1.
DR PROSITE; PS00369; PTS_HPR_HIS; 1.
DR PROSITE; PS00589; PTS_HPR_SER; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Kinase; Phosphotransferase system;
KW Serine/threonine-protein kinase; Transferase.
FT CHAIN 1 90 Phosphocarrier protein NPr.
FT /FTId=PRO_0000107893.
FT DOMAIN 2 90 HPr.
FT ACT_SITE 16 16 Pros-phosphohistidine intermediate (By
FT similarity).
SQ SEQUENCE 90 AA; 9820 MW; D5DBD7514B1149C6 CRC64;
MTVKQTVEIS NKLGMHARPA MKLFELMQNY DAEVLLRNDE GTVAEANSVI ALLMLDSAKG
RQIEIEANGP QEVEALAAVI ALFNAGFDED
//