>3b7bA (A:) observed residues (from ATOM records)
hmnfkmehqnkrsplhaaaeaghvdichmlvqaganidtcsedqrtplmeaaennhleav
kylikagalvdpkdaegstclhlaakkghyevvqyllsngqmdvncqddggwtpmiwate
ykhvdlvklllskgsdinirdneeniclhwaafsgcvdiaeillaakcdlhavnihgdsp
lhiaarenrydcvvlflsrdsdvtlknkegetplqcaslnsqvwsalqmskalqds