Matrix of similar interfaces for 3D-footprint entry 5d8c_A

_ stats: contacts=4 Nring=3 specif=0.75
_ PDBs:  1:1r8e_A,2:6ldi_G,
_ -lnE:  1:13.4,2:12.5,
_        1 2
0016 Y* KCKG
0019 R* RTRT
0020 F* --FC
0037 N  YCYG