Matrix of similar interfaces for 3D-footprint entry 2fr4_B

_ stats: contacts=4 Nring=0 specif=-1.00
_ PDBs:  1:3vw3_L,
_ -lnE:  1:21.8,
_        1
0031 Y  YA
0032 V  YA
0072 D  SA
0105 A  HA