>1zxeB (B:) observed residues (from ATOM records)
slryasdfeeiavlgqgafgqvvkarnaldsryyaikkirhteeklstilsevmllasln
hqyvvryyaawlerrnkstlfiqmeycenrtlydlihsenlnqqrdeywrlfrqileals
yihsqgiihrnlkpmnifidesrnvkigdfglaknvgtamyvatevlghynekidmyslg
iiffemiypfstgmervnilkklrsvsiefppdfddnkmkvekkiirllidhdpnkrpga
rtllnsgwlpvk