Matrix of similar interfaces for 3D-footprint entry 2zhg_A

_ stats: contacts=4 Nring=2 specif=0.50
_ PDBs:  1:1r8e_A,2:6ldi_G,
_ -lnE:  1:8.5,2:8.4,
_        1 2
0016 S* KCKG
0019 H  RTRT
0020 F* --FC
0036 Q  YCYG