>5xruB (B:) SEQRES residues madkikdakiifvvggpgsgkgtqcekivakygythlssgdllraevssgsergkqlqai mqkgelvpldtvldmikdamiakadvskgylidgyprevkqgeefekkigkpclllyida kgetmvkrlmkrgetsgraddneetikkrldlyykatepviafyegrgivrkidselpvd evfkqvstaidal