Table 4. Occupancies (%) of Hydrogen bonds between dTTP and YhdE in model 3, 4, 6 and 8.

Hydrogen bond	Model3	Model4	Model6	Model8
(dTTP)O9-H-NH2(11)	5.41	73.48	3.62	0.21
(dTTP)O11-H-N(150)	90.83	28.52	97.94	88.92
(143)O-H-NZ(80)	13.4	38.74	20.34	21.42
(dTTP)-O12-H-NZ(80)	52.06	0	0	6.86
(dTTP)O14-H-NZ(50)	48.95	97.3	99.88	24.37
(dTTP)O12-H-NZ(50)	39.4	94.88	49.56	0.14
(dTTP)O10-H-N(145)	64.04	91.76	8.66	93.21
(dTTP)O5-H-NH2(11)	0	43.62	0	88.66
(145)O-H-N2(dTTP)	0	39.64	0	0
(143)O-H-NZ(80)	0	38.74	20.63	24.73
(dTTP)O2-H-NZ(80)	51.73	31.23	14.65	36.89

A hydrogen bond is listed in this table only if its occupancy is >30% in at least one model.