>2gtnA (A:) observed residues (from ATOM records)
rptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktghrvavkklsrpfqsiih
akrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqkltd
dhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglaatrwyrapeiml
nwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkissesa
rnyiqslaqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdpd
depvadpydqsfesrdllidewksltydevisfvppp