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

_ stats: contacts=5 Nring=4 specif=0.80
_ PDBs:  1:2r5y_A,
_ -lnE:  1:8.3,
_        1
0004 R* RT
0049 N* IT
0052 G  QC
0053 N* NA
0056 I* MC