>4leoA (A:) observed residues (from ATOM records)
qvqlvqsgaevkkpgasvkvsckasgytfrssyiswvrqapgqglewmgwiyagtgspsy
nqklqgrvtmttdtststaymelrslrsddtavyycarhrdyysnsltywgqgtlvtvss
astkgpsvfplapsgtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls
svvtvpssslgtqtyicnvnhkpsntkvdkkvep