>4z5rF (F:) observed residues (from ATOM records)
lgsrrtlmllaqmrkislfsclkdrhdfgfpqeefgfqkaetipvlhemiqqifnlfstk
dssaawdetlldkfytelyqqlndleacviqgvlmkedsilavrkyfqritlylkekkys
pcawevvraeimrsfslstn