4R54

Complex crystal structure of sp-Aspartate-Semialdehyde-Dehydrogenase with 3-carboxy-ethyl-phthalic acid

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4R3N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	295	15-22% PEG 3350, 0.1 M Na-acetate, 0.1 M MES (pH 6.5), 10 mM TCEP, 3% Ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.537	α = 90
b = 98.806	β = 101.16
c = 64.098	γ = 90

Symmetry
Space Group	P 1 21 1

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 300 mm CCD	double crystal monochromator and K-B pair of biomorph mirrors	2014-04-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.033	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	50	99	0.12	26	4.6	66237	65575	1	2	29.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.81	1.87	97.3		0.808		4.4	6404

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	FOURIER SYNTHESIS	THROUGHOUT	4R3N	1.81	50	2	65575	62262	3303	98.68	0.18565	0.18377	0.21946	RANDOM	38.715

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]
1.1		2.05	1.56		-3.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.096
r_dihedral_angle_4_deg	19.531
r_dihedral_angle_3_deg	13.021
r_dihedral_angle_1_deg	5.972
r_long_range_B_refined	5.024
r_long_range_B_other	5.024
r_scangle_other	3.717
r_mcangle_it	2.562
r_mcangle_other	2.562
r_scbond_it	2.401
r_scbond_other	2.4
r_mcbond_it	1.829
r_mcbond_other	1.826
r_angle_refined_deg	1.377
r_angle_other_deg	0.745
r_chiral_restr	0.074
r_bond_refined_d	0.008
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	5448
Nucleic Acid Atoms
Solvent Atoms	262
Heterogen Atoms	172

Software

Software
Software Name	Purpose
HKL-2000	data collection
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling