_ stats: contacts=6 Nring=5 specif=0.83 _ PDBs: 1:2r5y_A,2:8g87_X, _ -lnE: 1:8.9,2:7.4, _ 1 2 0003 R* RT-- 0045 I* ITVT 0048 Q* QCCC 0049 N* NANA 0052 A MCQA 0056 R* --RT