Sequence and secondary structure for 4G69 chain A

1 GSRKPVSEKI MEIKLIKGPK GLGFSIAGGV GNQHIPGDNS IYVTKIIEGG
       EEE EEEEEE BTT BS EEEEE B TS SBTTB   EEEEEE TTS 
51 AAHKDGKLQI GDKLLAVNNV CLEEVTHEEA VTALKNTSDF VYLKVAKPTS
HHHHH    T T EEEEETTE E TT BHHHH HHHHHS  SE EEEEEEEE