L-Arginine CAS: 74-79-3 99% crystals cad ama budada crystalline
Lambarka buugaagta | XD90323 |
Magaca Alaabta | L-Arginine |
CAS | 74-79-3 |
Qaanuunka molecular | C6H14N4O2 |
Miisaanka Molecular | 174.20 |
Faahfaahinta Kaydinta | Ambient |
Xeerka Tarifka La Iswaafajiyay | 29252900 |
Tilmaamaha Alaabta
Muuqashada | Kiristaalo cad ama budada crystalline |
Qiimayn | 99% |
Aqoonsiga | Nuugista Infrared |
Khasaare xagga qallajinta | ≤ 0.5% |
Daahirnimada Chromatographic | In aan ka badnayn 0.5% qof kasta oo wasakhaysan ayaa la helaa; In aan ka badnayn 2.0% wadarta wasakhda la helay |
Hadhaaga dabka | ≤ 0.3% |
Biraha culus (PB) | ≤ 0.0015% |
Iron (sida Fe) | ≤ 0.003% |
Sulfate (sida SO4) | ≤ 0.03% |
Heerka Usp | USP 33 |
Chloride (CI) | ≤ 0.05% |
Wareegid gaar ah [α] D 2 5 | +26.3 ° ~ +27.7 ° |
Habka Mycobacterium smegmatis G (MbsG), flavin-ku-tiirsan l-lysine monooxygenase, ayaa lagu baadhay xaalad deggan iyo xaaladaha falcelinta degdega ah iyadoo la adeegsanayo saamaynta isotope ee aasaasiga ah iyo dareeraha, analogs substrate, pH iyo saamaynta viscosity dareeraha sida baaritaanka makaanikada.Natiijooyinka waxay soo jeedinayaan in l-lysine ay xirto ka hor NAD (P) H, taas oo keeneysa hoos u dhac ku yimaada heerka joogtada ah ee dhimista flavin.Isku-xidhka l-lysine wax saamayn ah kuma laha heerka flavin oxidation, kaas oo ku dhaca hab-socodka hal-tallaabo iyada oo aan la eegayn dhexdhexaadiyaha C4a-hydroperoxyflavin.Saamaynta la midka ah ayaa lagu go'aamiyay dhowr analoog oo substrate ah.Flavin oxidation waa pH madax banaan halka kcat/Km iyo kred/KD pH profiles NAD(P)H ay muujinayaan hal pKa qiyamka ~ 6.0, oo leh firfircoonida sii kordheysa marka pH hoos u dhacdo.Marka pH hoose, ensaymku wuxuu noqdaa mid aan la isku xidhin, oo soo saara hydrogen peroxide iyo superoxide badan.Wareejinta Hydride qayb ahaan waxay xadidaysaa pH dhexdhexaad ah waxayna noqotaa mid xadidaysa marka loo eego pH.Saamaynta viscosity dareeraha rogan ee kcat/Km ee NAD(P)H ayaa lagu arkay pH dhexdhexaad ah halka saamayn galka dareeraha caadiga ah lagu arkay pH hoose.Si wada jir ah, natiijadu waxay tilmaamaysaa hab gaar ah halkaas oo heerka xaddidaadda iyo isbeddelka is-beddelka pH-ku uu ku dhaco falcelinta nus-celinta, taas oo saameynaysa waxtarka lysine hydroxylation.