>3uk2B (B:) observed residues (from ATOM records)
smkvissiqelrdqlrgqnrtafvptmgnlheghlslmrlarqhgdpvvasifvnrlqfg
pnedfdkyprtlqedieklqkenvyvlfapterdmypepqeyrvqpphdlgdilegefrp
gfftgvctvvtklmacvqprvavfgkkdyqqlmivrrmcqqlalpveivaaetvrdadgl
alssrnrylseaeraeapelaktlarvrdavldgerdlaaierravahlsargwqpdyvs
irrrenlvapsaaqieagdplvvltaaklgatrlidnlei