>2igsA (A:) observed residues (from ATOM records)
iniyqnpgqslaniykgfarqcnpgfvfpeaqtieawdiplrlhpefipggdiskadqqy
stllaqeiangvtigfrmvnekervcnveilplltsmaqnldrikarfgsgyldrfkgsp
nvyptdvgfstdasggisqesgllvsygvnlrtltpgtwqamtlpedikalvgpgvglrl
dapnfsdvfntiksglryttavtlllayfaaigs