>6y4tA (A:) observed residues (from ATOM records)
rptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktghrvavkklsrpfqsiih
akrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqkltd
dhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglyvatrwyrapeim
lnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkisses
arnyiqslaqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdp
ddepvadpydqsfesrdllidewksltydevisfvpppldq