3PA9

Mechanism of inactivation of E. coli aspartate aminotransferase by (S)-4-amino-4,5-dihydro-2-furancarboxylic acid (S-ADFA) pH 7.5

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AMQ	PDB ENTRY 1AMQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	297	Ammonium Sulfate, pH 7.5, VAPOR DIFFUSION, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.99	58.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.135	α = 90
b = 85.532	β = 90
c = 79.033	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	ADSC QUANTUM 315			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.97	APS	14-BM-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	77.2	97.7				67102

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1AMQ	1.7	77.15	2	67102	53395	2851	97.83	0.15012	0.14827	0.18519	RANDOM	23.043

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]
-0.59			0.55		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.14
r_dihedral_angle_4_deg	16.314
r_dihedral_angle_3_deg	13.484
r_dihedral_angle_1_deg	5.6
r_scangle_it	3.552
r_scbond_it	2.445
r_mcangle_it	1.543
r_angle_refined_deg	1.269
r_mcbond_it	0.974
r_nbtor_refined	0.307

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.14
r_dihedral_angle_4_deg	16.314
r_dihedral_angle_3_deg	13.484
r_dihedral_angle_1_deg	5.6
r_scangle_it	3.552
r_scbond_it	2.445
r_mcangle_it	1.543
r_angle_refined_deg	1.269
r_mcbond_it	0.974
r_nbtor_refined	0.307
r_nbd_refined	0.22
r_symmetry_vdw_refined	0.194
r_xyhbond_nbd_refined	0.128
r_symmetry_hbond_refined	0.121
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3069
Nucleic Acid Atoms
Solvent Atoms	420
Heterogen Atoms	110

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.