6u63 B 2.75 BS01 Q0D B 1 M231 L235 V253 F254 R263 T266 L267 M51 L55 V73 F74 R83 T86 L87 ? 0042981 Ki=220nM Q07820 31971799 401 DELYRQSLEIISRYLREQATGSGATSRKALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFHV