>2nz9D (D:) observed residues (from ATOM records)
vqlqesggglvqpggslrlscaasgftfsdhymywvrqapgkglewvatisdggsytyys
dsvegrfttsrdnskntlylqmnslraedtaiyycsryryddamdywgqgtlvtvssast
kgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssgly
slssvvtvpssslgtqtyicnvnhkpsntkvdkkvep