7JZA

Dihydrodipicolinate synthase S48F mutant with lysine in the allosteric site, and pyruvate and succinic semi-aldehyde in the catalytic site

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YXC	PDB entry 1YXC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		294.15	glucopyranoside, potassium phosphate dibasic

Crystal Properties
Matthews coefficient	Solvent content
3.68	66.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.299	α = 90
b = 121.299	β = 90
c = 109.781	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	294.15	CCD	ADSC QUANTUM 315r		2011-11-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.95369	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	1.82	33.36	100	0.085	0.039	17.6	11		83472

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.82	1.86			0.305	0.339

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1YXC	1.82	33.36	79236	4166	99.93	0.13752	0.13607	0.16512	RANDOM	18.222

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.194
r_dihedral_angle_4_deg	16.856
r_dihedral_angle_3_deg	13.469
r_dihedral_angle_1_deg	6.179
r_long_range_B_refined	6.15
r_long_range_B_other	6.15
r_scangle_other	4.685
r_scbond_it	3.212
r_scbond_other	3.212
r_mcangle_other	2.487
r_mcangle_it	2.486
r_angle_refined_deg	2.383
r_mcbond_it	1.933
r_mcbond_other	1.932
r_angle_other_deg	1.24
r_chiral_restr	0.159
r_bond_refined_d	0.026
r_gen_planes_refined	0.013
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4351
Nucleic Acid Atoms
Solvent Atoms	682
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
Coot	model building
Aimless	data scaling
PHASER	phasing