>6ispB (B:) observed residues (from ATOM records)
alpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplsaql
gytpcwispppfmlndtqvnteymvnaittlyagsgnnklpvltvsqgglvaqwgltffp
sirskvdrlmafapdykgtvlagpldalagsapsvwqqttgsalttalrnaggltqivpt
tnlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrs
alrsttgqarsadygitdcnplpandltpeqkvaaaallapyyaaivagpkqncepdlmp
yarpfavgkrtcsgivt