>1yx2A (A:) observed residues (from ATOM records)
lkrtplfdlykeyggktidfggwelpvqfssikkeheavrtaaglfdvshmgevevsgnd
slsflqrlmtndvsaltpgraqytamcypdggtvddlliyqkgenryllvinasnidkdl
awmkehaagdvqidnqsdqiallavqgpkaeailknltdadvsalkpfafideadisgrk
alisrtgytgedgyeiycrsddamhiwkkiidagdayglipcglgardtlrfeaniplyg
qeltrditpieagigfavkhkkesdffgksvlseqkengakrklvglemiekgiprhgye
vfqngksvgkvttgtqsptlgknvglalidsetseigtvvdveirkklvkakvvktpf