_ stats: contacts=4 Nring=3 specif=0.75 _ PDBs: 1:5jvt_A,2:8smh_F,3:1pue_E,4:4bnc_A, _ -lnE: 1:10.8,2:10.5,3:10.0,4:9.5, _ 1 2 3 4 0051 A DCQCECDC 0052 S* KTKTKTKT 0055 R* RGRGRGRG 0056 Q* YANTNTYA