Matrix of similar interfaces for 3D-footprint entry 4gdf_A

_ stats: contacts=5 Nring=0 specif=-1.00
_ PDBs:  1:1jj4_B,
_ -lnE:  1:8.2,
_        1
0035 E  NC
0037 A  KG
0038 A  CA
0041 Y  YT
0042 K  RC