>3ttkC (C:) observed residues (from ATOM records)
dnkvlhvynwsdyiapdtlekftketgikvvydvydsnevleakllagksgydvvvpsns
flakqikagvyqkldksklpnwknlnkdlmhtlevsdpgnehaipymwgtigigynpdkv
kaafgdnapvdswdlvfkpeniqklkqcgvsfldspteilpaalhylgykpdtdnpkelk
aaeelflkirpyvtyfhsskyisdlangnicvaigysgdiyqaksraeeaknkvtvkyni
pkegagsffdmvaipkdaentegalafvnflmkpeimaeitdvvqfpngnaaatplvsea
irndpgiypseevmkklytfpdlpaktqramtrswtkiks