Matrix of similar interfaces for 3D-footprint entry 6fwr_A

_ stats: contacts=3 Nring=2 specif=0.67
_ PDBs:  1:6o8h_A,2:3v4r_B,
_ -lnE:  1:8.0,2:7.0,
_        1 2
0394 S  --RT
0586 Q* --NA
0611 P* AG--