Matrix of similar interfaces for 3D-footprint entry 5u30_A

_ stats: contacts=4 Nring=0 specif=-1.00
_ PDBs:  1:6lu0_A,2:8iaz_A,
_ -lnE:  1:17.9,2:7.7,
_        1 2
0003 V  IT--
0387 P  QG--
0501 S  --LG
0869 R  --YA