>1vkfB (B:) observed residues (from ATOM records)
mfkgiiaalwdmdsigeiepdvvfllksdilnlkfhlkilkdrgktvfvdmdfvnglgeg
eeailfvkkagadgiitikpknyvvakkngipavlrffaldskavergieqietlgvdvv
evlpgavapkvarkipgrtviaaglveteeeareilkhvsaistssrilwkmk