>3tzkA (A:) observed residues (from ATOM records)
sqfmnlegkvalvtgasrgigkaiaellaergakvigtatsesgaqaisdylgdngkgma
lnvtnpesieavlkaitdefggvdilvnnaaitrdnllmrmkeeewsdimetnltsifrl
skavlrgmmkkrqgriinvgsvvgtmgnagqanyaaakagvigftksmarevasrgvtvn
tvapgfietdmtkalndeqrtatlaqvpagrlgdpreiasavaflaspeaayitgetlhv
nggmymi