_ stats: contacts=9 Nring=5 specif=0.56 _ PDBs: 1:6u9q_A, _ -lnE: 1:7.7, _ 1 0054 S NT 0056 K ST 0057 Y* NA 0060 Q VT 0084 W* QT 0085 A ST 0086 W* SG 0087 S* KG 0090 E* RG