>4zbaB (B:) observed residues (from ATOM records)
shdkqfslflhkasahgwkvafvleelslsyeivlvdvakneqkspefmklnpngrtpal
idhgnsdfviwesnamvqyvadkydterkismapgtddfyiqlqwqyfqgtgqgpyfgql
vwftlyheekipsavtrykeealrvfsvlervlsnqewlvggkmtiadisfvswndmivh
fldnfdfekefpataawhykmlkrptikrpwderrklmsrq