>2ydxB (B:) observed residues (from ATOM records)
mnrrvlvtgatgllgravhkefqqnnwhavgcgfrrarpkfeqvnlldsnavhhiihdfq
phvivhcaaerrpdvvenqpdaasqlnvdasgnlakeaaavgafliyissdyvfdgtnpp
yreedipaplnlygktkldgekavlennlgaavlripilygevekleesavtvmfdkvqf
snksanmdhwqqrfpthvkdvatvcrqlaekrmldpsikgtfhwsgneqmtkyemacaia
dafnlpsshlrpitdspvlgaqrprnaqldcskletlgigqrtpfrigikeslwpflidk
rwrqtvfhaenl