Matrix of similar interfaces for 3D-footprint entry 1per_L

_ stats: contacts=4 Nring=4 specif=1.00
_ PDBs:  1:1o4x_A,
_ -lnE:  1:7.6,
_        1
0026 T* SG
0027 Q* QA
0028 Q* TT
0032 Q* RG