_ stats: contacts=6 Nring=4 specif=0.67 _ PDBs: 1:1xbr_B,2:6f59_B, _ -lnE: 1:21.8,2:21.7, _ 1 2 0082 R* RGRG 0203 T* TTTT 0204 S ATAT 0220 F* FTFT 0223 G --AC 0224 F* FGFG