>1q31B (B:) observed residues (from ATOM records)
lfkgprdynpisstichltnesdghttslygigfgpfiitnkhlfrrnngtllvqslhgv
fkvkntttlqqhlidgrdmiiirmpkdfppfpqklkfrepqreericlvttnfqtksmss
mvsdtsctfpssdgifwkhwiqtkdgqagsplvstrdgfivgihsasnftntnnyftsvp
knfmelltnqeaqqwvsgwrlnadsvlwgghkvfmskpmnelvysq