TABLE 4.

Hydrogen bonds for GlcNol6P and GlcNAc6P with the allosteric site of SdNagBII.

GlcNol6P in chain A					GlcNol6P in chain B
GlcNol6P atom	Residue	Atom name	Chain	Distance (Å)	GlcNol6P atom	Residue	Atom name	Chain	Distance (Å)
O1P	Tyr61	OH	B	2.933	O1	Lys219	Nζ	B	3.030
O1P	Ser77	Oγ	A	2.582	O4	Tyr215	OH	A	2.929
O2P	Arg49	NH2	A	2.709	O1P	Tyr61	OH	A	2.708
O2P	Ser77	Nα	A	3.041	O1P	Ser77	Oγ	B	2.537
O2P	Arg211	NH2	B	3.168	O2P	Arg49	NH2	B	2.780
O3P	Ser237	Oγ	B	2.836	O2P	Ser77	Nα	B	2.921
					O2P	Arg211	NH1	A	2.822
					O2P	Arg211	NH2	A	3.057

GlcNAc6P in chain A					GlcNAc6P in chain B
GlcNAc6P atom	Residue	Atom name	Chain	Distance (Å)	GlcNAc6P atom	Residue	Atom name	Chain	Distance (Å)
N2	Asp53	N2	A	3.017	N2	Asp53	O δ1	B	3.349
O6	Arg49	NH1	A	3.049	O6	Arg49	NH1	B	3.065
O1P	Tyr61	OH	B	2.753	O1P	Tyr61	OH	A	2.645
O1P	Ser77	Oγ	A	2.698	O1P	Ser77	Oγ	B	2.754
O2P	Arg49	NH2	A	2.889	O2P	Arg49	NH2	B	2.768
O2P	Ser77	Nα	A	2.482	O2P	Ser77	Nα	B	2.728
O2P	Arg211	NH2	B	3.346	O2P	Arg211	NH2	A	2.912
O3P	Arg211	Nε	B	2.802	O3P	Arg211	Nε	A	2.789
O3P	Ser237	Oγ	B	2.676	O3P	Ser237	Oγ	A	2.699