4HN4

Tryptophan synthase in complex with alpha aminoacrylate E(A-A) form and the F9 inhibitor in the alpha site

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	50 mM Bicine-CsOH, 10% PEG 8000, 2 mM Spermine, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 183.97	α = 90
b = 59.72	β = 94.69
c = 67.4	γ = 90

Symmetry
Space Group	C 1 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	100	IMAGE PLATE	RIGAKU RAXIS IV++	VariMax HF	2012-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	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	1.63	30.74	95.7	0.049	12.6	3.3	90177	86376		-3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1TJP	1.64	28.59	89395	85601	4281	95.73	0.1478	0.1504	0.1478	0.2004	RANDOM	21.4911

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]
-0.13		0.06	0.45		-0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.732
r_sphericity_free	29.363
r_dihedral_angle_4_deg	17.671
r_sphericity_bonded	15.209
r_dihedral_angle_3_deg	12.673
r_dihedral_angle_1_deg	5.641
r_rigid_bond_restr	3.12
r_angle_refined_deg	1.427
r_chiral_restr	0.098
r_bond_refined_d	0.011

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.732
r_sphericity_free	29.363
r_dihedral_angle_4_deg	17.671
r_sphericity_bonded	15.209
r_dihedral_angle_3_deg	12.673
r_dihedral_angle_1_deg	5.641
r_rigid_bond_restr	3.12
r_angle_refined_deg	1.427
r_chiral_restr	0.098
r_bond_refined_d	0.011
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5009
Nucleic Acid Atoms
Solvent Atoms	676
Heterogen Atoms	99

Software

Software
Software Name	Purpose
MOSFLM	data reduction
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
SCALA	data scaling

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.