_ stats: contacts=9 Nring=2 specif=0.22 _ PDBs: 1:8aas_A, _ -lnE: 1:7.2, _ 1 0015 E RT 0022 G KT 0053 R* TT 0055 F* FT 0089 K DT 0090 K RT 0091 N FT 0092 S LT 0097 T RT