>3k3aH (H:) observed residues (from ATOM records)
pewtyprlscpgstfqkallisphrfgetkgnsapliirepfiacgpkeckhfalthyaa
qpggyyngtrgdrnklrhlisvklgkiptvensifhmaawsgsachdgkewtyigvdgpe
nnallkikygeaytdtyhsyannilrtqesacnciggncylmitdgsasgisecrflkir
egriikeifptgrvkhteectcgfasnktiecacrdnsytakrpfvklnvetdtaeirlm
ctetyldtprpddgsitgpcesngdkgsggikggfvhqrmaskigrwysrtmsktkrmgm
glyvkydgdpwtdsdalalsgvmvsmeepgwysfgfeikdkkcdvpcigiemvhdggket
whsaataiyclmgsgqllwdtvtgvdmal