LCE2B GI:7657685 late cornified envelope 2B 1 mscqqnqqqc qpppkcppkc tpkcppkcpp kclpqcpapc spavssccgp 50 51 isggccgpss ggccnsgagg cclshhrprl fhrrrhqspd ccesepsggs 100 101 gcchssggcc