_ stats: contacts=7 Nring=7 specif=1.00 _ PDBs: 1:6ppr_A, _ -lnE: 1:79.0, _ 1 0604 S* ST 0605 T* TT 0620 R* RT 0631 S* ST 0718 R* RT 0740 S* ST 0741 P* PT