(2S,3R) -2-Amino-3-hydroxybutanoic acid Cas: 72-19-5 99% White crystalline ntụ ntụ.
Nọmba katalọgụ | XD90285 |
Aha ngwaahịa | (2S,3R)-2-Amino-3-hydroxybutanoic acid |
CAS | 72-19-5 |
Usoro ihe omimi | C4H9NO3 |
Ibu molekụla | 119.11916 |
Nkọwa nchekwa | Ambient |
Koodu tarifu akwadoro | 29225000 |
Nkọwapụta ngwaahịa
Nyocha | 99-101% |
Ọdịdị | White crystalline ntụ ntụ |
Ntughari pụrụ iche | -27.5 ruo -29.0 |
Ọla dị arọ | 10ppm Max. |
AS | 10ppm max |
pH | 5.2-6.5 |
SO4 | <0.020% |
Fe | 10ppm max |
Ọnwụ na ihicha | <0.20% |
Ihe fọdụrụ na mgbanye | <0.10% |
nnyefe | NLT 98% |
Cl | <0.02% |
Ammonium nnu | <0.02% |
A kọwawo phosphatases protein serine/threonine n'ọtụtụ nje bacteria na-akpata dị ka enzymes dị mkpa na-etinye aka na ụzọ ntụgharị mgbaàmà dabere na phosphorylation na-ejikọta ya na virulence nke ihe ndị a.Nnyocha nke Mycoplasma synoviae genome kpughere ọnụnọ nke mkpụrụ ndụ ihe nketa (prpC) nke na-etinye protein phosphatase putative nke ezinụlọ phosphatase 2C (PP2C).N'ebe a, anyị na-akọ nkọwa zuru oke nke biochemical nke M. synoviae phosphatase (PrpC) na ọrụ dị iche iche nke ion metal na nhazi-arụ ọrụ nke enzyme a.Nyocha usoro amino acid nke PrpC gosiri na ihe niile fọdụrụ na etiti metal dinuclear na ihe fọdụrụnụ na-ahazi ion metal nke atọ, echekwara na PP2C phosphatases, dị na PrpC.PrpC bụ protein monomeric nwere ike dephosphorylate phospho-substrates na Mn(2+) ion' dabere.Nyocha nkwụsi ike nke okpomọkụ gosipụtara nkwụsi ike nke enzyme na obere okpomọkụ yana mmetụta nke Mn(2+) ion na akụrụngwa a.Nnyocha nyocha nke Mass spectrometry tụrụ aro na ion ọla atọ na-ejikọta na PrpC, nke abụọ n'ime ha nwere mmetụta dị elu na-adịgide adịgide.Ntụle mgbanwe nke ihe fọdụrụ na nhazi metal nke atọ, Asp122 na Arg164, kpughere na ụdịdị ndị a gosipụtara njikọ na-esighị ike nke ion manganese, yana ngbanwe abụọ ahụ metụtara ọrụ PrpC phosphatase.Dị ka nsonaazụ ndị a si kwuo, PrpC bụ onye na-ahụ maka protein phosphatase na-adabere na ígwè nwere nkwụsi ike dị mma n'ụdị holo yana Asp122, ikekwe etinyere na saịtị nke atọ na-ejikọta ígwè, dị mkpa maka ọrụ catalytic.