4zbi K 2.5 BS01 4M6 K 1 M250 V253 F254 R263 T266 L267 F270 G271 M80 V83 F84 R93 T96 L97 F100 G101 ? 0042981 Ki=0.31uM Ki=310nM Q07820 25844895 400 GDELYRQSLEIISRYLREQATGAKDTKPMGRSGATSRKALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFH