_ stats: contacts=11 Nring=10 specif=0.91 _ PDBs: 1:7xi9_A, _ -lnE: 1:73.3, _ 1 0241 K* KC 0466 M* MC 0468 R* RG 0469 F* FT 0470 N* NG 0571 R RT 0740 H* HG 0741 N* NT 0764 E* ET 0768 K* KG 0769 Q* QC