CD40 GI:4507581 CD40 antigen isoform 1 precursor 1 mvrlplqcvl wgclltavhp epptacrekq ylinsqccsl cqpgqklvsd 50 51 cteftetecl pcgesefldt wnrethchqh kycdpnlglr vqqkgtsetd 100 101 tictceegwh ctseacescv lhrscspgfg vkqiatgvsd ticepcpvgf 150 151 fsnvssafek chpwtscetk dlvvqqagtn ktdvvcgpqd rlralvvipi 200 201 ifgilfaill vlvfikkvak kptnkaphpk qepqeinfpd dlpgsntaap 250 251 vqetlhgcqp vtqedgkesr isvqerq