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

_ stats: contacts=4 Nring=1 specif=0.25
_ PDBs:  1:2hdd_A,2:6j5b_C,
_ -lnE:  1:8.0,2:7.8,
_        1 2
0041 A  --KG
0042 Q  IASA
0045 K* KGQA
0046 W  NA--