Table 7.

List of the amino acid residues forming hydrogen bonds in a protein–protein interface for ECD and Heat stable Enterotoxin STa (PDB ID.1ETN).

S.No	Heatstable Enterotoxin STa	Extacellular Domain ECD	Bond Length (Å)
1-	ALA15	GLU243	2.09
2-	CYS6	ASN270	2.87
3-	CYS6	TYR360	2.01
4-	GLU7	THR154	2.51
5-	CYS14	GLU243	2.22
6-	CYS17	LYS160	1.68