抗體,也叫免疫球蛋白(Ig),是一種能特異性結合抗原的糖蛋白,而抗原是在易感染動物體內引發(fā)抗體產生的物質。在體內,抗體是由于外源性分子的侵襲而產生的??贵w以一個或者多個Y字形單體存在,每個Y字形單體由4條多肽鏈組成,包含兩條相同的重鏈和兩條相同的輕鏈。輕鏈和重鏈是根據它們的分子量大小來命名的。Y字形結構的頂端是可變區(qū),為抗原結合部位。任何一個抗體的輕鏈都可以分為κ或λ型(基于小分子多肽結構上的差異),每一個抗體的重鏈則決定了它的類或型。
The protein encoded by this gene is a death domain containing adaptor molecule that interacts with TNFRSF1A/TNFR1 and mediates programmed cell death signaling and NF-kappaB activation. This protein binds adaptor protein TRAF2, reduces the recruitment of inhibitor-of-apoptosis proteins (IAPs) by TRAF2, and thus suppresses TRAF2 mediated apoptosis. This protein can also interact with receptor TNFRSF6/FAS and adaptor protein FADD/MORT1, and is involved in the Fas-induced cell death pathway. [provided by RefSeq, Jul 2008]
備注:圖片僅供參考。僅供科研,不可用于臨床。