>2vczA (A:) observed residues (from ATOM records)
pnykltyfnmrgraeiiryifayldiqyedhrieqadwpeikstlpfgkipilevdgltl
hqslaiaryltkntdlagntemeqchvdaivdtlddfmscfpwaekkqdvkeqmfnellt
ynaphlmqdldtylggrewlignsvtwadfyweicsttllvfkpdlldnhprlvtlrkkv
qaipavanwikrrpqtkl