>6xdkA (A:) observed residues (from ATOM records)
afnfsagpatlpesvlrqaqaemldwhgsgasivemshrgaefmsvaaeaeadlrrlldi
pddyavlflsggattqqaliplnfaapgqradyvvsghwgktavkqagvyvdvniaasse
angyrelparadwqlsrdaayvhitanetihgvefrdvpdtgnvpliadfsssiasepld
vrrygviyagaqknlgpvgvavmiirrdllersgqpradifdyrshvardsmlntpptwn
wylaglvfkwmlaeggvtefakrnaakaalvygaidgsggfyrnevayaarsrmnipffl
pdaeldarfvaeakaagllalkghkvvggiraslynamplagaealvafmadfqqrhg