CAS号:24345-16-2
品名:蜂针液明肽Apamin
中文别名:蜂毒明肽;CYS-ASN-CYS-LYS-ALA-PRO-GLU-THR-ALA-LEU-CYS-ALA-ARG-ARG-CYS-GLN-GLN-HIS-NH2(DISULFIDEBRIDGE:CYS1-CYS11,CYS3-CYS15);
英文别名:apamine;CNCKAPETALCARRCQQH-NH2;M.W.2027.34C79H131N31O24S4;APAMIN,BEEVENOM;APAMINFROMBEEVENOM;APAMINFROMHONEYBEEVENOM;
分子式:C79H131N31O24S4
分子量:2027.34
精确质量:2025.89
Psa:1021.52
RTECS号:CD6899900
EINECS号:246-182-7
MDL号:MFCD00167944
PubChem号:24890526
密度:
折射率:1.724
储存条件:库房通风低温干燥,与食品原料分开存放
安全说明:S22-S24/25
WGK Germany:3
危险品运输编码:UN 2811
危险类别:6.1(b)
包装等级:III
简介:Apaminisan18aminoacidpeptideneurotoxinfoundinapitoxin(beevenom).Drybeevenomconsistsof2-3%ofapamin.ApaminselectivelyblocksSKchannels,atypeofCa2+-activatedK+channelexpressedinthecentralnervoussystem.Toxicityiscausedbyonlyafewaminoacids,thesearecysteine1,lysine4,arginine13,arginine14andhistidine18.TheseaminoacidsareinvolvedinthebindingofapamintotheCa2+-activatedK+channel.DuetoitsspecificityforSKchannels,apaminisusedasadruginbiomedicalresearchtostudytheelectricalpropertiesofSKchannelsandtheirroleintheafterhyperpolarizationsoccurringimmediatelyfollowinganactionpotential.