>4qnkB (B:) observed residues (from ATOM records)
sarigevkretketnvsvkinldghgvsdsstgipfldhmldqlashglfdvhvratgdt
hiddhhtnedvalaigtallkalgerkginrfgdftapldealihvsldlsgrpylgynl
eiptqrvgtydtqlvehffqslvntsgmtlhirqlagknshhiieatfkafaralrqate
sdprr