>4q31E (E:) observed residues (from ATOM records)
gmrfgtrlvhggrrpsagtgdvvppihvsttyerraqdepryfygrgenptreeleecla
glerapfatvfssgqaaaatllslvrpgqcvvstddvyagtdglfdlaarqgvrvryadl
ttpegiaaalaepdlalvwietptnplltvvdvaevsrrahergarvvvdntfaspvlqq
plalgadvslysttksiaghadvlggalvyrdadlhaavrayrttagnvpgaldcflvrr
glhtlslrvhrqvatarvlverlraspvvgavhypglpehpqhavvkaqmsapgaivsfd
ylggpaerlldrftlftcgvslggvhslvecpalmthrplsaeararrgigeslirlsvg
iedpqdlaedlsrala