2ATS

Dihydrodipicolinate synthase co-crystallised with (S)-lysine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	10	284	20mM Tris HCl, 10mM (S)-lysine, pH 8, 1.8M K2HPO4, pH 10, N-octyl-R-glucopyranoside, VAPOR DIFFUSION, HANGING DROP, temperature 284K

Crystal Properties
Matthews coefficient	Solvent content
3.75	67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.68	α = 90
b = 121.68	β = 90
c = 109.799	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	RIGAKU RAXIS IV			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.9	33.5	99.4	0.091		3.82		73712	3	3	20.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	1.97	100		0.342	3.5	3.71

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	25.8	70002	3688	100	0.16924	0.16924	0.16758	0.20154	RANDOM	17.71

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]
-0.43	-0.22		-0.43		0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.974
r_dihedral_angle_4_deg	18.834
r_dihedral_angle_3_deg	13.292
r_dihedral_angle_1_deg	6.007
r_scangle_it	3.603
r_scbond_it	2.23
r_angle_refined_deg	1.395
r_mcangle_it	1.166
r_angle_other_deg	0.853
r_mcbond_it	0.63
r_symmetry_hbond_refined	0.348
r_symmetry_vdw_other	0.263
r_nbd_refined	0.235
r_symmetry_vdw_refined	0.195
r_nbd_other	0.186
r_mcbond_other	0.169
r_nbtor_refined	0.167
r_xyhbond_nbd_refined	0.146
r_metal_ion_refined	0.095
r_nbtor_other	0.09
r_chiral_restr	0.086
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4313
Nucleic Acid Atoms
Solvent Atoms	638
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
AMoRE	phasing