>4q31H (H:) observed residues (from ATOM records)
gmrfgtrlvhggrrpsagtgdvvppihvsttyerraqdepryfygrgenptreeleecla
glerapfatvfssgqaaaatllslvrpgqcvvstddvyagtdglfdlaarqgvrvryadl
ttpegiaaalaepdlalvwietptnplltvvdvaevsrrahergarvvvdntfaspvlqq
plalgadvslysttksiaghadvlggalvyrdadlhaavrayrttagnvpgaldcflvrr
glhtlslrvhrqvatarvlverlraspvvgavhypglpehpqhavvkaqmsapgaivsfd
ylggpaerlldrftlftcgvslggvhslvecpalmthrplsaeararrgigeslirlsvg
iedpqdlaedlsralagg