>1xizA (A:) observed residues (from ATOM records)
namqdihfrrhyvrhlpkevsqndiikalasplindgmvvsdfadhvitreqnfptglpv
epvgvaiphtdhkyvrqnaisvgilaepvnfedmggepdpvpvrvvfmlalgesnkqlnv
lgwimdviqdedfmqqllvmnddeiyqsiytrise