>1xecB (B:) observed residues (from ATOM records)
gpvcpfrcqchlrvvqcsdlglekvpkdlppdtalldlqnnkiteikdgdfknlknlhtl
ilinnkiskispgafaplvklerlylsknqlkelpekmpktlqelrvheneitkvrksvf
nglnqmivvelgtnplkssgiengafqgmkklsyiriadtnittipqglppsltelhldg
nkitkvdaaslkglnnlaklglsfnsisavdngslantphlrelhlnnnklvkvpgglad
hkyiqvvylhnnnisaigsndfcppgyntkkasysgvslfsnpvqyweiqpstfrcvyvr
aavql