Matrix of similar interfaces for 3D-footprint entry 1b72_B

_ stats: contacts=4 Nring=3 specif=0.75
_ PDBs:  1:8eml_B,
_ -lnE:  1:8.5,
_        1
0002 R* RT
0047 N* IA
0050 G  QT
0051 N* NA