_ stats: contacts=7 Nring=5 specif=0.71 _ PDBs: 1:7u0g_M,2:1o4x_A, _ -lnE: 1:11.0,2:8.2, _ 1 2 0022 Q QT-- 0038 S* STSG 0039 Q* QAQA 0040 T* TGTT 0041 T TT-- 0043 C* CT-- 0044 R* RTRG