>1fz3B (B:) observed residues (from ATOM records)
nraptsvnaqevhrwlqsfnwdfknnrtkyatkykmanetkeqfkliakeyarmeavkde
rqfgslqdaltrlnagvrvhpkwnetmkvvsnflevgeynaiaatgmlwdsaqaaeqkng
ylaqvldeirhthqcayvnyyfakngqdpaghndarrtrtigplwkgmkrvfsdgfisgd
avecslnlqlvgeacftnplivavtewaaangdeitptvflsietdelrhmangyqtvvs
iandpasakylntdlnnafwtqqkyftpvlgmlfeygskfkvepwvktwdrwvyedwggi
wigrlgkygvesprslkdakqdaywahhdlyllayalwptgffrlalpdqeemewfeany
pgwydhygkiyeewrargcedpssgfiplmwfiennhpiyidrvsqvpfcpslakgastl
rvheyngemhtfsdqwgermwlaeperyecqnifeqyegrelseviaelhglrsdgktli
aqphvrgdklwtlddikrlncvfknpvkafn