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

_ stats: contacts=7 Nring=4 specif=0.57
_ PDBs:  1:1cit_A,2:4umm_A,3:2c7a_B,4:1hcq_E,5:4ond_A,6:4aa6_B,
_ -lnE:  1:11.9,2:11.6,3:11.3,4:11.0,5:10.9,6:10.6,
_        1 2 3 4 5 6
0015 G  CA----------
0024 E* ECEA--ECECEC
0027 K* KGKGKGKGKGKG
0028 G  ----VTAGAGAG
0031 R* KGKT--KG----
0032 R* RGRGRGRGRGKT
0033 S  ----------RG