>4frrB (B:) SEQRES residues
msallilalvgaavadykddddklhsqanlmrlksdlfnrspmypgptkddpltvtlgft
lqdivkadsstnevdlvyyeqqrwklnslmwdpneygnitdfrtsaadiwtpditaysst
rpvqvlspqiavvthdgsvmfipaqrlsfmcdptgvdseegatcavkfgswvysgfeidl
ktdtdqvdlssyyasskyeilsatqtrqvqhysccpepyidvnlvvkfrerr