>1b1zB (B:) observed residues (from ATOM records)
dpdpsqlhrsslvknlqniyflyegdpvthenvksvdqllshdliynvsgpnydklktel
knqematlfkdknvdiygveyyhlcylcenaersaciyggvtnhegnhleipkkivvkvs
idgiqslsfdietnkkmvtaqeldykvrkyltdnkqlytngpskyetgyikfipknkesf
wfdffpepeftqskylmiykdnetldsntsqievyltt