>1vkfD (D:) observed residues (from ATOM records)
mfkgiiaalwdmdsigeiepdvvfllksdilnlkfhlkilkdrgktvfvdmdfvnglgeg
eeailfvkkagadgiitikpknyvvakkngipavlrffaldskavergieqietlgvdvv
evlpgavapkvarkipgrtviaaglveteeeareilkhvsaistssrilwkm