>3nnxA (A:) observed residues (from ATOM records)
rptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsiih
akrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivltddhvq
fliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglarhyvatrwyrapeiml
nwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkissesa
rnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdpd
depvadpydqsfesrdllidewksltydevisfvppp