>6vr3B (B:) observed residues (from ATOM records)
gieyrslhtsqltlsekealydlliegfegdfshddfahtlggmhvmafdqqklvghvai
iqrhmaldntpisvgyveamvveqsyrrqgigrqlmlqtnkiiascyqlgllsasdgqkl
yhsvgwqiwkgklfelkqgsyirsieeeggvmgwkagevdftaslycdfrggdqw