4QOY

Novel binding motif and new flexibility revealed by structural analysis of a pyruvate dehydrogenase-dihydrolipoyl acetyltransferase sub-complex from the escherichia coli pyruvate dehydrogenase multi-enzyme complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.3	298	20% PEG3350 0.2M AMMONIUM TARTRATE DIBASIC,SODIUM AZIDE, PH 6.35, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 210.94	α = 90
b = 326.84	β = 90
c = 77.21	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	MARMOSAIC 225 mm CCD	MIRRORS	2011-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0	APS	22-BM

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	2.8	32.29	99.7	0.136	7.1	6.32	132370	132035			82.01

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	2.8	2.9	99.8		0.605	1.5	4.15	13058

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	THROUGHOUT	PDB ENTRY 2IEA	2.8	32.29	132370	124907	6292	94.36	0.1999	0.1982	0.2328	RANDOM	80.53

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]
-0.9855			0.7342		0.2514

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	15.14
t_it	5.5
t_other_torsion	3.15
t_omega_torsion	2.75
t_ideal_dist_contact	2.089
t_angle_deg	1
t_chiral_improper_torsion	0.079
t_gen_planes	0.014
t_bond_d	0.009
t_trig_c_planes	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	27874
Nucleic Acid Atoms
Solvent Atoms	1293
Heterogen Atoms

Software

Software
Software Name	Purpose
d*TREK	data reduction
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
d*TREK	data scaling
PHASER	phasing
BUSTER	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.