>5yx1B (B:) SEQRES residues
pnykltyfnmrgraeiiryifayldiqyedhrieqadwpeikstlpfgkipilevdgltl
hqslaiaryltkntdlagntemeqchvdaivdtlddfmscfpwaekkqdvkeqmfnellt
ynaphlmqdldtylggrewlignsvtwadfyweicsttllvfkpdlldnhprlvtlrkkv
qaipavanwikrrpqtkl