_ stats: contacts=4 Nring=4 specif=1.00 _ PDBs: 1:6fzt_A,2:5od6_A, _ -lnE: 1:17.0,2:15.0, _ 1 2 0060 D* DC-- 0062 R* RGRG 0064 Q* QCQC 0069 K* KGKG