>2exlB (B:) SEQRES residues
gshmlreksekfafqaevnrmmkliinslyknkeiflrelisnasdaldkirlisltden
alagneeltvkikcdkeknllhvtdtgvgmtreelvknlgtiaksgtseflnkmteaqed
gqstseligqfgvgfysaflvadkvivtskhnndtqhiwesdsnefsviadprgntlgrg
ttitlvlkeeasdyleldtiknlvkkysqfinfpiyvwssktggggktvwdwelmn