>2hchA (A:) observed residues (from ATOM records)
gshmlreksekfafqaevnrmmkliinslyknkeiflrelisnasdaldkirlisltden
alagneeltvkikcdkeknllhvtdtgvgmtreelvknlgtigtseflnkmtestselig
qfgvgfysaflvadkvivtskhnndtqhiwesdsnefsviadprgntlgrgttitlvlke
easdyleldtiknlvkkysqfinfpiyvwssktvwdwelmn