>3bvfB (B:) observed residues (from ATOM records)
hhsqdpmlskdiikllneqvnkemnssnlymsmsswcythsldgaglflfdhaaeeyeha
kkliiflnennvpvqltsisapehkfegltqifqkayeheqhisesinnivdhaikskdh
atfnflqwyvaeqheeevlfkdildkielignenhglyladqyvkgiaksrk