_ stats: contacts=12 Nring=9 specif=0.75 _ PDBs: 1:6fb0_B, _ -lnE: 1:16.0, _ 1 0019 S* SG 0021 M* IG 0023 R* QA 0025 R* KG 0029 K* SC 0035 L* KG 0041 S KG 0043 T* TA 0066 K* YC 0069 G ST 0072 T VG 0076 R* YA