>3dvnB (B:) observed residues (from ATOM records)
evqlvesggglvqpggslrlscaasgfnvktglihwvrqapgkglewvayispyygstsy
adsvkgrftisadtskntaylqmnslraedtavyycareyyrwytaidywgqgtlvtvss
astkgpsvfplapssggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglys
lssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk