L-Arginine CAS: 74-79-3 99% Keʻokeʻo keʻokeʻo a iʻole ka pauka crystalline
| Helu Helu | XD90323 |
| inoa mea kūʻai | L-Arginine |
| CAS | 74-79-3 |
| ʻĀpana Molekala | C6H14N4O2 |
| Kaumaha Molecular | 174.20 |
| Nā kikoʻī mālama | Ambient |
| Kānāwai Kūʻai Kūlike | 29252900 |
Huahana Huahana
| Ka nana aku | ʻO nā kristal keʻokeʻo a i ʻole ka pauka crystalline |
| Hoʻāʻo | 99% |
| ʻIkepili | Infrared Absorption |
| Nalo ma ka maloo | ≤ 0.5% |
| Maʻemaʻe Chromatographic | ʻAʻole i ʻoi aku ma mua o 0.5% o kēlā me kēia haumia i loaʻa ； ʻAʻole i ʻoi aku ma mua o 2.0% o ka nui o nā haumia i loaʻa |
| Koena ma ka Ignition | ≤ 0.3% |
| Nā metala kaumaha (PB) | ≤ 0.0015% |
| Hao (e like me Fe) | ≤ 0.003% |
| Sulfat (e like me SO4) | ≤ 0.03% |
| Usp papa | USP 33 |
| Klorida (CI) | ≤ 0.05% |
| Ka hoʻololi kikoʻī [ α ] D 2 5 | +26.3 ° ~ +27.7 ° |
Ua noiʻi ʻia ke ʻano o Mycobacterium smegmatis G (MbsG), he l-lysine monooxygenase i hilinaʻi ʻia i ka flavin ma lalo o ke kūlana kūpaʻa a me ka wikiwiki o ka hopena me ka hoʻohana ʻana i nā hopena kinetic isotope mua a me ka solvent kinetic isotope, substrate analogs, pH a me nā hopena viscosity solvent e like me ka mechanistic probes.Hōʻike nā hopena e hoʻopaʻa ʻia ka l-lysine ma mua o NAD(P)H, e alakaʻi ana i ka emi ʻana o ka helu mau no ka hōʻemi flavin.ʻAʻohe hopena o ka hoʻopaʻa ʻana i ka l-lysine i ka wikiwiki o ka flavin oxidation, e hana ʻia i kahi kaʻina hana hoʻokahi me ka ʻole o ka nānā ʻana o kahi C4a-hydroperoxyflavin intermediate.Hoʻoholo ʻia nā hopena like me nā analogues substrate.He pH kūʻokoʻa ʻo Flavin oxidation aʻo ka kcat/Km a me kred/KD pH profiles no NAD(P)H e hōʻike ana i nā waiwai pKa hoʻokahi o ~6.0, me ka hoʻonui ʻana i ka hana i ka emi ʻana o ka pH.Ma ka pH haʻahaʻa, lilo ka enzyme i hui ʻole ʻia, e hoʻonui i ka hydrogen peroxide a me ka superoxide.ʻO ka hoʻololi ʻana o ka Hydride ka palena palena ʻāpana ma ka pH kū ʻole a lilo i ka palena liʻiliʻi ma ka pH haʻahaʻa.Ua ʻike ʻia ka hopena viscosity solvent inverse ma kcat/Km no NAD(P)H ma ka pH neutral akā ʻike ʻia ka hopena viscosity solvent maʻamau ma ka pH haʻahaʻa.ʻO ka hui pū, hōʻike nā hopena i kahi mīkini kūʻokoʻa kahi e hoʻololi ai ka hoʻololi hoʻololi hoʻololi a me ka pH-sensitive conformational i ka reductive half-rection, e pili ana i ka pono o ka lysine hydroxylation.
