PNG IHDR . tEXtAuthor meng' !tEXtCreation Time 2010:01:06 11:16:05Q tEXtSoftware UCSF chimera 1.5_b29697. IDATx pV r b Q0 F(` b 'N@&* Q0 F( bV^ %͘72cb:V]222a8 F(`@ ీǏ^Z1%Œyߓebad|߉̙$wߧ_RG(` ձ Fp%;\c,aEmi!\8ko<G)%Ƙs8rnZR+ 6QCdT9da1 1 0kL@sy"0D0@/ro.""2ĘSJy!̪osJiZ%I@%/ vr#U'Zk)6 1 0@KCU+hhᔠ#`"&=V0ݓPR$4(@[k >z)aEk>c@52;ZU;;