Matrix of similar interfaces for 3D-footprint entry 7mca_I

_ stats: contacts=7 Nring=0 specif=-1.00
_ PDBs:  1:1vtn_C,2:6el8_A,
_ -lnE:  1:11.6,2:9.9,
_        1 2
0322 L  --NG
0323 E  NASA
0324 I  ST--
0325 C  --RG
0326 T  HTHG
0329 E  STSC
0330 T  FT--