>4lavB (B:) observed residues (from ATOM records)
aplpmegvdispkqdegvlkvikregtgtempmigdrvfvhytgwlldgtkfdssldrkd
kfsfdlgkgevikawdiaiatmkvgevchitckpeyaygsagspippnatlvfevelfef
kgedlteeedggiirriqtrgegyakpnegaivevalegyykdklfdqrelrfeigegen
ldlpygleraiqrmekgehsivylkpsyafgsvgkekfqippnaelkyelhlksfeka