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

_ stats: contacts=6 Nring=3 specif=0.50
_ PDBs:  1:3iyd_H,
_ -lnE:  1:7.3,
_        1
0023 K  QT
0033 E  ST
0034 K* RT
0035 T* ET
0036 V  TA
0039 Y* RA