Matrix of similar interfaces for 3D-footprint entry 7u32_A

_ stats: contacts=5 Nring=0 specif=-1.00
_ PDBs:  1:3jca_H,
_ -lnE:  1:7.4,
_        1
0247 D  RA
0249 A  YA
0251 V  CA
0260 Y  PA
0262 V  WA