>1slvB (B:) observed residues (from ATOM records)
ivggytcqensvpyqvslnsgyhfcggslindqwvvsaahcyksriqvrlgehninvleg
neqfvnaakiikhpnfdrktlnndimliklsspvkvatvalpsscapagtqclisgwght
lnhpdllqcldapllpqadceasypgkitdnmvcvgfleggkdscqgdsggpvvcngelq
givswgygcalpdnpgvytkvcnyvdwiqdtiaan