. 2005 Jul;17(7):2049–2058. doi: 10.1105/tpc.105.031229

Table 2.

Contacts between SPP and Ligands

Ligand	Ligand Atom	Protein Atom	Distance (Å)
Suc6P	O3^a	Lys116 NZ	3.0
	O4^a	Gln107 NE2	3.0
	O6^a	Asn189 ND2^b	3.0
	O10^c	Gly42 N^b	3.1
		Lys163 NZ	3.2
		Asn189 ND2^b	3.2
	O11^c	Thr41 OG1^b	2.7
		Asp11 N^b	3.3
Glucose	O3^a	Lys116 NZ	2.9
	O4^a	Gln107 NE2	3.0
	O6^a	Asn189 ND2^b	3.2
Suc + PO₄	Suc O3^a	Lys116 NZ	3.2
	Suc O4^a	Gln107 NE2	3.2
	Suc O6^a	Asn189 ND2^b	3.0
	PO₄ O1^c	Thr41 OG1^b	3.1
		Gly42 N^b	2.6
	PO₄ O3^c	Asn189 ND2^b	2.3
	PO₄ O4^c	Gly42 N^b	2.5
		Lys163 NZ	2.4
		Asn189 ND2^b	2.9
Sucrose	O3^a	Lys116 NZ	2.8
	O4^a	Gln107 NE2	3.3
	O6^a	Asn189 ND2^b	2.7
	O4′^d	Lys152 NZ	3.1

These atoms belong to the glucose ring of the sucrose molecule.

These residues belong to the core domain.

These atoms belong to the phosphate group.

This atom belongs to the fructose ring of the sucrose molecule.