>2ff1A (A:) observed residues (from ATOM records)
saknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfnvtgkimclmhnn
mnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdkikaenekyegqql
ladlvmnseekvticvtgplsnvawcidkygekftskveecvimggavdvrgnvflpstd
gtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfgeqtnfllsilvgt
mwamyawdaltaayvvdqkvanvdpvpidvvvdkqpnegatvrtdaenypltfvarnpea
effldmllrsarac