Protein
Phosphoenolpyruvate-dependent phosphotransferase system
Organism
Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Function
Component of the phosphoenolpyruvate-dependent nitrogen-metabolic phosphotransferase system (nitrogen-metabolic PTS), that seems to be involved in regulating nitrogen metabolism. Enzyme I-Ntr transfers the phosphoryl group from phosphoenolpyruvate (PEP) to the phosphoryl carrier protein (NPr). Could function in the transcriptional regulation of sigma-54 dependent operons in conjunction with the NPr (PtsO) and EIIA-Ntr (PtsN) proteins. Enzyme I-Ntr is specific for NPr.
Similarity
Belongs to the PEP-utilizing enzyme family.
Sequence
MLTRLREIVEKVASAPRLNEALNILVTDICLAMDTEVCSVYLADHDRRCYYLMATRGLKKPRGRTVALAFDEGIVGLVGRLAEPINLADAQKHPSFKYIPSVKEERFRAFLGVPIIQRRQLLGVLVVQQRELRQYDESEESFLVTLATQMAAILSQSQVTALFGQYRQTRIRALPAAPGVAIATGWQDATMPLMEQVYEASTLDTSLERERLTGALEEAANEFRRYSKRFAAGAQKETAAIFDLYSHLLSDARLRRELFAEVDKGAVAEWAVKKIIEKFAEQFAALTDNYLKERAGDLRTLGQRLLFHLDDSVQGPNAWPERFILVADELSATTLAELPQDRLAGVVVRDGAANSHAAIMVRALGIPTVMGADIQPSVLHRRTLVVDGYRGELLVDPEPVLIQEYQRLISEEIELSRLAEDDVNLPAQLKSGERVKVMLNAGLSPEHEEKLGSRIDGIGLYRTEIPFMLQSGFPSEEEQVAQYQGMLQMFNDKPVTLRTLDVGADKQLPYMPISEENPCLGWRGIRITLDQPEIFLIQVRAMLRANAATGNLSILLPMVTSIDEVDEARRLIERAGREVEEMIGYAIPKPRIGIMLEVPSMVFMLPHLANRIDFISVGTNDLTQYILAVDRNNTRVASIYDSLHPAMLRALSMIAQEAEKHGLDLRLCGEMAGDPMCVAILIGLGYRHLSMNGRSVARVKYLLRHIDFEDAQTLARRSLEAQMATEVRHQVAAFMERRGMGGLIRGGL