>2f4zA (A:) observed residues (from ATOM records)
reqarllkeladiqqlgvsaqivggdihrwrgfiagplgtpyegghftldivippdypyn
ppkmkfvtkiwhpnissqtgaicldilkhewspaltirtallsiqamladpvptdpqdae
vakmmienhplfvqtaklwtetfak