XAGE2B GI:118601000 X antigen family, member 2-like 1 mswrgrstyr prprrslqpp eligamlept deepkeekpp tksrnptpdq 50 51 kreddqgaae iqvpdleadl qelcqtktgd gceggtdvkg kilpkaehfk 100 101 mpeagegksq v