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

_ stats: contacts=5 Nring=4 specif=0.80
_ PDBs:  1:5e69_A,2:1hcq_E,
_ -lnE:  1:11.1,2:11.0,
_        1 2
0024 E* --EC
0027 K* KAKG
0028 G  VAAG
0031 R* --KG
0032 R* RARG