6u63 D 2.75 BS01 Q0D D 1 M231 L235 M250 V253 F254 T266 L267 F270 M56 L60 M75 V78 F79 T91 L92 F95 ? 0042981 Ki=220nM Q07820 31971799 500 DELYRQSLEIISRYLREQATGAKDTKSGATSRKALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFH