>3efzB (B:) observed residues (from ATOM records)
segayrakladmvgnykdvikvltessdfslilllagslrnrvtsirnslksiksqeekl
rkekslnnefiqviedikrdfeesillesedviriiddnllmyseegarafciklkgdlm
rykaeilkdeeknqcikqavefyedalqrersflekypsdplylatilnytilkydllgn
pegamkfanraiqaaensrdseqfsentekllkilrdnvsqweqg