>5n63A (A:) observed residues (from ATOM records)
rptfyrqelnktiwevperyqnlspvygsvcaafdtktglrvavkklsrpfqsiihakrt
yrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnniltddhvqfliyq
ilrglkyihsadiihrdlkpsnlavnedcelkildatrwyrapeimlnwmhynqtvdiws
vgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkissesarnyiqsltqmpkm
nfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdpddepvadpydqsfe
srdllidewksltydevisfvpppl