Matrix of similar interfaces for 3D-footprint entry 4qtr_D

_ stats: contacts=8 Nring=2 specif=0.25
_ PDBs:  1:1b72_B,2:5ego_B,3:4cyc_B,4:8ejp_B,5:8b4b_W,
_ -lnE:  1:8.4,2:8.4,3:8.2,4:7.8,5:7.1,
_        1 2 3 4 5
0001 T  ----RT----
0039 Q  --------ST
0041 K  --------TA
0042 I* NTIANTVTQC
0045 Q  --QT--QTST
0046 N* NANANANA--
0049 A  IA--IA----
0050 K  RG--RGRG--