4KXV

Human transketolase in covalent complex with donor ketose D-xylulose-5-phosphate, crystal 1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.9	279	Reservoir mixture of 13.5-15 % PEG 6000 (w/v), 4% PEG 400 (v/v), 2 % glycerol (v/v) , pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 279.0K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.67	α = 90
b = 85.98	β = 125.3
c = 73	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	CCD	ADSC QUANTUM 315r	mirrors	2011-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.93939	ESRF	ID14-4

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	0.97	30	91.4	0.052	14.98	3.9	308592	301825		-3	9.245

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	0.97	1.03	71		0.365	3.55

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	FOURIER SYNTHESIS	FREE R	PDB ENTRY 3MOS	0.97	30	301825	301825	15885	91.4	0.0964	0.0944	0.0944	0.1144	RANDOM	13.8392

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
s_angle_d	320
s_non_zero_chiral_vol	8
s_zero_chiral_vol	5
s_approx_iso_adps	0.132
s_anti_bump_dis_restr	0.124
s_rigid_bond_adp_cmpnt	0.017
s_bond_d	0.016
s_similar_dist
s_from_restr_planes
s_similar_adp_cmpnt

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4747
Nucleic Acid Atoms
Solvent Atoms	957
Heterogen Atoms	77

Software

Software
Software Name	Purpose
XSCALE	data scaling
SHELX	refinement
PDB_EXTRACT	data extraction
DNA	data collection
XDS	data reduction
PHENIX	phasing
SHELXL	refinement

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.