3EXE

Crystal structure of the pyruvate dehydrogenase (E1p) component of human pyruvate dehydrogenase complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	12% PEG 8000, 140mM NaOAC, 50mM BisTris pH6.5, 10% glucose, 50mM Taurine, 8mM MgCl2, and 10mM TCEP, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.572	α = 90
b = 129.617	β = 92.48
c = 124.303	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	ADSC QUANTUM 315		2005-10-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.98	APS	19-ID

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	1.979	50	99.6	0.107	13.345	4.9		225065

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	1.979	2.03	99		0.551		4.8	11185

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.979	50	224962	11272	98.74	0.161	0.158	0.206	RANDOM	18.562

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]
-0.61		-0.41	-0.47		1.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.69
r_dihedral_angle_4_deg	16.73
r_dihedral_angle_3_deg	14.989
r_dihedral_angle_1_deg	6.289
r_scangle_it	4.801
r_scbond_it	3.074
r_angle_refined_deg	1.761
r_mcangle_it	1.583
r_mcbond_it	0.926
r_chiral_restr	0.125

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.69
r_dihedral_angle_4_deg	16.73
r_dihedral_angle_3_deg	14.989
r_dihedral_angle_1_deg	6.289
r_scangle_it	4.801
r_scbond_it	3.074
r_angle_refined_deg	1.761
r_mcangle_it	1.583
r_mcbond_it	0.926
r_chiral_restr	0.125
r_bond_refined_d	0.021
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	21379
Nucleic Acid Atoms
Solvent Atoms	2316
Heterogen Atoms	136

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction

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.