>6usvB (B:) observed residues (from ATOM records)
ddnhlsivtleeapfvivedipltetcvrntvpcrkfvkinnstnegmnvkkcckgfcid
ilkklsrtvkftydlylvtngkhgkkvnnvwngmigevvyqravmavgsltineersevv
dfsvpfvetgisvmvsrgtqvtglsdkkfqrphdysppfrfgtvpngsternirnnypym
hqymtrfnqrgvedalvslktgkldafiydaavlnykagrdegcklvtigsgyifattgy
gialqkgspwkrqidlallqfvgdgemeeletlwltgic