>3dtwA (A:) observed residues (from ATOM records)
erlpydaskwefprdrlklgkplgrggqvieadafgidktcrtvavkmlkegathsehra
lmselkilihighhlnvvnllgactkpggplmvitefckfgnlstylrskrnefvpykva
pedlykdfltlehlicysfqvakgmeflasrkcihrdlaarnillseknvvkicdflplk
wmapetifdrvytiqsdvwsfgvllweifslgaspypgvkideefcrrlkegtrmrapdy
ttpemyqtmldcwhgepsqrptfselvehlgnllqanaqqdrhhhhhh