3DO5

Crystal structure of Putative Homoserine Dehydrogenase (NP_069768.1) from ARCHAEOGLOBUS FULGIDUS at 2.20 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	293	0.2M ammonium sulfate, 10.0% Glycerol, 20.0% polyethylene glycol 300, 0.1M phosphate-citrate pH 4.2, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.107	α = 90
b = 120.818	β = 90
c = 57.886	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2008-05-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1		SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.2	28.94	99.7	0.087	0.087	5.4	7.4		21542			47.26

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.26	99.5		0.52	0.52	1.3	4.9	1531

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.2	28.94	21529	1104	99.55	0.189	0.188	0.221	RANDOM	43.193

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
1.32			-3.48		2.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.807
r_dihedral_angle_4_deg	16.439
r_dihedral_angle_3_deg	12.397
r_scangle_it	6.754
r_scbond_it	5.576
r_dihedral_angle_1_deg	4.01
r_mcangle_it	3.041
r_mcbond_it	2.075
r_angle_refined_deg	1.81
r_angle_other_deg	0.999
r_mcbond_other	0.438
r_symmetry_vdw_refined	0.248
r_symmetry_hbond_refined	0.246
r_nbd_refined	0.208
r_nbd_other	0.189
r_symmetry_vdw_other	0.183
r_nbtor_refined	0.176
r_xyhbond_nbd_refined	0.123
r_chiral_restr	0.097
r_nbtor_other	0.089
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2378
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing