Table 1. Nearest neighbors and short contact distances (Å) of the four molecules and its derivatives with the amino acid residues of S. cerevisiae α-glucosidase.

Name		Distance	Name	Distance
Molecule I			Molecule II
H17...LEU176/CD	3.010		H18...ASP214/OD2	2.079
H17...SER244/HG	2.256		O42...HIS239/HE2	1.917
H31...SER244/HG	3.136		O38...ARG312/H	1.675
H33...LYS/O	2.947		H21... GLN350/ OE1	2.194
H28...PHE311/H	1.354		H34... ASP349/OD1	2.528
H47...GLU304/CD	2.277		H30... ASP349/ OD1	2.373
H46...HIS279/CE1	2.685		O19... GLN350/ OE1	2.500
H48...ARG312/HH12	1.946		H29... ARG312/ HH11	2.983
Name		Distance	Name	Distance
Molecule I			Molecule II
O41...VAL303/O	3.447		H47... ARG312 / CB	2.399
H38...GLN350/OE1	2.034		O38...ARG312/H	1.675
-	-		H28... PHE157 / CE1	2.657
-	-		H32... PHE177 / CE1	3.498
-	-		O42...HIS239/HE1	1.917
Molecule III	-		Molecule IV	-
O20...THR215/HG1	1.702		H1...ASP214/OD1	2.037
H21...THE215/HG1	1.785		H55...ASP214/OD1	1.954
O19...GLU276/OE1	3.079		O32...GLU276/OE2	3.457
H55...GLU350/OE1	2.151		O22...HIS279/HE2	2.159
H18...ASP349/O	2.083		O7...PHE157/CE2	3.076
H33...ARG439/HH11	1.519		O30...ASP349/OD2	2.775
H31...PHE300/CE2	2.424		O19...GLN350/OE1	2.731
O42...HIS239/HE2	1.920		H21...GLN350/OE1	2.977
O42...LYS155/HZ1	2.716		O20...ARG312/HH12	3.328
H59...PHE157/O	2.945		O38...HIS239/HE2	1.976
-	-		H39...PHE300/O	2.587