_ stats: contacts=7 Nring=5 specif=0.71 _ PDBs: 1:7u0g_M, _ -lnE: 1:9.2, _ 1 0046 Q QT 0056 N* ST 0057 Q* QA 0058 S* TG 0059 H* TT 0062 Q* CT 0063 H RT