L-Arginine CAS: 74-79-3 99% kristal ọcha ma ọ bụ ntụ ntụ kristal
| Nọmba katalọgụ | XD90323 |
| Aha ngwaahịa | L-Arginine |
| CAS | 74-79-3 |
| Usoro ihe omimi | C6H14N4O2 |
| Ibu molekụla | 174.20 |
| Nkọwa nchekwa | Ambient |
| Koodu tarifu akwadoro | 29252900 |
Nkọwapụta ngwaahịa
| Ọdịdị | Kristal ọcha ma ọ bụ ntụ ntụ kristal |
| Nyocha | 99% |
| njirimara | Infrared absorption |
| Ọnwụ na ihicha | 0.5% |
| Chromatographic ịdị ọcha | Achọpụtaghị ihe karịrị 0.5% nke adịghị ọcha ọ bụla; |
| Ihe fọdụrụ na mgbanye | ≤0.3% |
| Ọla dị arọ (PB) | ≤ 0.0015% |
| Iron (dị ka Fe) | 0.003% |
| Sulfate (dị ka SO4) | ≤0.03% |
| Usp ọkwa | USP 33 |
| Chloride (CI) | 0.05% |
| Ntụgharị pụrụ iche [α] D 2 5 | +26.3 Celsius ~ +27.7 Celsius |
A na-enyocha usoro nke Mycobacterium smegmatis G (MbsG), flavin na-adabere l-lysine monooxygenase, n'okpuru ọnọdụ nkwụsi ike na ọnọdụ mmeghachi omume ngwa ngwa site na iji isi na ihe mgbaze kinetic isotope mmetụta, mkpụrụ analogs, pH na ihe mgbaze viscosity mmetụta dị ka usoro nyocha.Nsonaazụ na-atụ aro na l-lysine na-ejikọta n'ihu NAD (P) H, nke na-eduga n'ịbelata ọnụego mgbe niile maka mbelata flavin.Njikọ nke l-lysine enweghị mmetụta na ọnụego flavin oxidation, nke na-eme na usoro otu nzọụkwụ na-enweghị nleba anya nke etiti C4a-hydroperoxyflavin.Achọpụtara mmetụta ndị yiri ya site na iji ọtụtụ analogs mkpụrụ.Flavin oxidation bụ pH nọọrọ onwe ya ebe kcat / km na kred / KD pH profaịlụ maka NAD (P) H na-egosipụta otu pKa ụkpụrụ nke ~ 6.0, na-abawanye ọrụ ka pH na-ebelata.Na pH dị ala, enzyme na-aghọ nke na-ejikọtaghị ọnụ, na-emepụtakwu hydrogen peroxide na superoxide.Mbufe hydride na-ejedebe n'otu akụkụ-mmachi na pH na-anọpụ iche wee na-amachi ọnụ ahịa karịa na lo w pH.Ahụrụ mmetụta viscosity mgbaze na-agbanwe agbanwe na kcat/km maka NAD(P)H na pH na-anọpụ iche ebe a na-ahụ mmetụta viscosity nkịtị na pH dị ala.Ọnụ, nsonaazụ na-egosi usoro pụrụ iche ebe ọnụọgụ-njedebe na mgbanwe mgbanwe mgbanwe nke pH na-eme na mmeghachi omume nke ọkara, nke na-emetụta arụmọrụ nke lysine hydroxylation.
