Table 3. Hydrogen-bond contacts between MtFPGS and bound nucleotides.

Water-mediated contacts are excluded.

	MtFPGS–ADP		MtFPGS–AMPPCP
	Atom	Distance (Å)	Atom	Distance (Å)
Adenine-ring moiety
N6	Asn303 Oδ1	2.95	Asn303 Oδ1	3.10
N7	Asn303 Nδ2	2.97	Asn303 Nδ2	3.01
Ribose moiety
O2	Asp353 Oδ1	2.85	Asp353 Oδ2	2.88
O3	Asp353 Oδ1	2.90	Asp353 Oδ1	2.78
	Asp353 Oδ2	2.94	Asp353 Oδ2	3.20
O4	Asn75 Nδ2	3.16
α-Phosphate
O1A	Arg340 N∊	2.84	Arg340 N∊	2.69
	Arg340 Nη2	2.80	Arg340 Nη2	3.07
O2A	Ser79 N	2.99	Ser79 N	3.27
	Ser79 Oγ	2.78	Ser79 Oγ	2.78
O3A	Gly76 N	2.94	Gly76 N	2.90
β-Phosphate
O1B	Thr78 N	2.71	Thr78 N	2.82
	Thr78 Oγ1	3.03	Thr78 Oγ1	3.30
	Co2	2.02	Co2	2.13
O2B	Lys77 N	2.80	Lys77 N	3.02
	Lys77 Nζ	2.79	Lys77 Nζ	2.64
γ-Phosphate
O1G			His356 N∊2	3.07
O2G			Arg340 Nη2	3.17
			Thr78 Oγ1	3.14
			Co2	1.97