Izina | Atosiban |
Numero ya CAS | 90779-69-4 |
Inzira ya molekulari | C43H67N11O12S2 |
Uburemere bwa molekile | 994.19 |
Umubare wa EINECS | 806-815-5 |
Ingingo yo guteka | 1469.0 ± 65.0 ° C (Biteganijwe) |
Ubucucike | 1.254 ± 0.06 g / cm3 (Biteganijwe) |
Imiterere yo kubika | -20 ° C. |
Gukemura | H2O: ≤100 mg / mL |
Atosiban acetate ni disulfide ihujwe na cyclic polypeptide igizwe na acide 9 amine.Ni molekile ya oxytocine ihinduwe kumwanya wa 1, 2, 4 na 8. N-terminus ya peptide ni aside-mercaptopropionic aside (thiol hamwe na sulfhydryl groupe ya [Cys] 6 ikora umurunga wa disulfide), C-terminal ni muburyo bwa amide, aside amine ya kabiri kuri N-terminal ni Ethylated yahinduwe [D-Tyr (Et)] 2, kandi acetate ya atosiban ikoreshwa mumiti nka vinegere ibaho muburyo bwumunyu wa aside, mubisanzwe uzwi nka atosiban acetate.
Atosiban ni oxytocine na vasopressine V1A ikomatanya reseptor antagonist, reseptor ya oxytocine isa muburyo bwa vasopressine V1A.Iyo reseptor ya oxytocine ihagaritswe, oxytocine irashobora gukora binyuze muri reseptor ya V1A, bityo rero birakenewe ko uhagarika inzira ebyiri za reseptor icyarimwe, kandi antagonism imwe ya reseptor imwe irashobora kubuza kugabanuka kwa nyababyeyi.Iyi nayo ni imwe mu mpamvu zingenzi zituma β-reseptor agoniste, calcium umuyoboro wa calcium na prostaglandin synthase inhibitor idashobora kubuza neza kwikuramo nyababyeyi.
Atosiban ni reseptor antagonist ya oxytocine na vasopressine V1A, imiterere yimiti isa na byombi, kandi ifite aho ihurira na reseptor, kandi irushanwa na oxytocine na vasopressine V1A, bityo bikabuza inzira y'ibikorwa bya oxytocine na vasopressine no kugabanya kugabanuka kwa nyababyeyi.