>3fklA (A:) observed residues (from ATOM records)
erptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsii
hakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqklt
ddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglaemtgyvatrwy
rapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellk
kissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahayf
aqyhdpddepvadpydqsfesrdllidewksltydevisfvppp