_ stats: contacts=12 Nring=9 specif=0.75 _ PDBs: 1:6fb0_B, _ -lnE: 1:16.2, _ 1 0017 S* SG 0019 L* IG 0021 R* QA 0023 R* KG 0027 K* SC 0033 S* KG 0039 Q* KG 0041 T* TA 0063 A YC 0066 G ST 0069 A VG 0073 K* YA