>4xldA (A:) observed residues (from ATOM records)
mqlnpesadlralakhlydsyiksfpltkakarailtgktspfviydmnslmmgedkikf
kevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslm
nkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviils
gdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllq
vikktetdmslhpllqeiykdly