Table 4. Selected neutron models and corresponding X-ray reference models for re-refinement within REFMAC5 using external restraints.

Comparison of published R-factor statistics and those obtained by re-refinement using REFMAC5.

PDB code		Published resolution range (low–high) (Å)		Published R values (work/free) (%)		REFMAC5 R values (work/free) (%)
Neutron	X-ray	Neutron	X-ray	Neutron	X-ray	Neutron refinement with external restraints
1c57	1dq6	15.79–2.40	8.00–1.90	27.0/30.1	18.6/NA	20.2/24.9
2efa	1b2a	80.00–2.50	55.00–1.70	21.6/29.1	18.8/23.0	21.9/25.3
2yz4	1dq6	33.64–2.20	8.00–1.90	27.9/31.2	18.6/NA	21.7/27.3
2zpp	1b2g	20.00–2.50	10.00–1.80	22.1/26.0	20.0/22.6	20.8/25.4
3r98	3r98	53.54–2.40	43.89–2.10	20.7/25.1	16.6/20.3	17.8/25.2
3r99	3r99	53.54–2.40	43.89–2.10	20.7/25.0	16.6/20.3	17.9/25.3
3vxf	3vxf	44.87–2.75	29.22–1.60	18.3/23.4	16.1/18.4	16.8/23.5
3x2o	3x2o	18.83–1.50	28.23–1.00	22.8/25.1	13.5/15.3	21.2/23.9
3x2p	3x2p	19.68–1.52	37.75–0.99	21.8/26.0	13.4/14.2	22.0/25.7
4cvi	4cvi	39.84–2.41	14.80–2.10	17.6/24.3	13.4/17.6	14.0/22.8
4dvo	4dvo	20.00–2.00	29.90–1.55	19.0/21.4	NA/NA	18.4/22.2
4gpg	4gpg	37.61–1.98	50.00–1.89	19.5/25.9	14.6/20.3	20.9/25.7
4pvn	4pvn	52.28–2.30	43.13–1.95	20.9/26.2	15.6/18.5	18.7/26.8
5cg6	5cg6	22.12–2.40	44.31–1.70	26.0/28.7	19.6/21.1	24.0/27.8
5xpe	5xpe	17.02–2.09	46.50–1.64	22.5/27.8	15.5/18.5	20.5/29.7
5zn0	5zn0	33.76–1.90	36.01–1.10	18.8/24.7	18.6/21.2	16.7/25.5
6bq8	6bq8	40.00–2.20	10.00–2.00	23.2/28.8	19.9/24.5	19.7/29.2
6exy	6exy	28.20–1.70	31.93–1.10	15.0/18.7	12.3/13.7	16.0/19.8
6u0e	6u0e	14.51–1.89	29.01–2.10	21.7/25.4	18.4/23.5	21.4/26.7
7d6g	7d6g	26.33–2.10	40.00–1.65	17.7/21.9	15.7/18.6	14.6/22.1
7tx4	7tx4	12.75–2.35	61.05–1.90	17.7/25.9	16.6/22.4	15.2/26.0