Table 3.

Composition of active site residues interacting with ligand and natural substrate.

S. no.	Amino acid	Position
1.	Val	35
2.	Ile	39
3.	Thr	63
4.	Asn	66
5.	Thr	67
6.	Thr	114
7.	His	147
8.	Ala	169
9.	Gly	171
10.	Thr	172
11.	Ser	173
12.	Thr	175
13.	Gly	205
14.	Lys	207
15.	Ieu	275
16.	Ala	277