>3agxB (B:) observed residues (from ATOM records)
thdlrvsleeiysgctkkmkiltievkkgwkegtkitfpkadivfvlkdkphnifkrdgs
dviyparislrealcgctvnvptldgrtipvvfkdvirpgmrrkvpgeglplpktpekrg
dliiefevifperipqtsrtvleqvlpi