Matrix of similar interfaces for 3D-footprint entry 4j19_B

_ stats: contacts=5 Nring=4 specif=0.80
_ PDBs:  1:2hdd_A,2:6j5b_C,
_ -lnE:  1:8.0,2:8.0,
_        1 2
0004 R* RTRA
0060 Y* --KG
0061 N* IASA
0064 A  KGQA
0065 N* NA--