_ stats: contacts=5 Nring=5 specif=1.00 _ PDBs: 1:5e69_A,2:1hcq_E, _ -lnE: 1:10.2,2:10.2, _ 1 2 0021 E* --EC 0024 K* KAKG 0025 A* VAAG 0028 K* RAKG 0029 R* --RG