Matrix of similar interfaces for 3D-footprint entry 1bg1_A

_ stats: contacts=5 Nring=3 specif=0.60
_ PDBs:  1:4y5w_B,
_ -lnE:  1:39.1,
_        1
0282 D  KA
0320 S* VT
0321 N* HG
0323 C  NT
0324 Q* QT