>1z2lB (B:) observed residues (from ATOM records)
lithfrqaieetlpwlssfgadpaggmtrllyspewletqqqfkkrmaasgletrfdevg
nlygrlngteypqevvlsgshidtvvnggnldgqfgalaawlaidwlktqygaplrtvev
vamaeeegsrfpyvfwgsknifglanpddvrnicdakgnsfvdamkacgftlpnapltpr
qdikafvelhieqgcvlesngqsigvvnaivgqrrytvtlngesnhagttpmgyrrdtvy
afsrichqsvekakrmgdplvltfgkveprpntvnvvpgkttftidcrhtdaavlrdftq
qlendmraicdemdigididlwmdeepvpmnkelvatltelcereklnyrvmhsgaghda
qifaprvptcmifipsingishnpaertnitdlaegvktlalmlyqlawq