3DV0

Snapshots of catalysis in the E1 subunit of the pyruvate dehydrogenase multi-enzyme complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	291.15	10-15% PEG 4K, 0.2 M imidazole malate pH 5 in the presence of 5 mM 3-deazaThDP. The crystals were soaked with 10mM pyruvate for 3-day, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 291.15K

Crystal Properties
Matthews coefficient	Solvent content
1.82	32.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.312	α = 90
b = 232.82	β = 91.83
c = 92.004	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			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9793	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.5	85	87.5	0.098	0.11	11.6	4.8	110903	110687	2.6	2.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.64	79.3		0.41	0.48	2.9	3.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1w85	2.5	72.17	90276	90417	4664	96.21	0.17594	0.1726	0.24052	RANDOM	35.44

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]
2.6		-0.2	-0.3		-2.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.135
r_dihedral_angle_4_deg	16.809
r_dihedral_angle_3_deg	12.371
r_scangle_it	11.449
r_scbond_it	9.043
r_mcangle_it	5.509
r_mcbond_it	3.978
r_angle_refined_deg	1.221
r_dihedral_angle_1_deg	1.135
r_nbtor_refined	0.33
r_symmetry_vdw_refined	0.266
r_nbd_refined	0.255
r_symmetry_hbond_refined	0.186
r_xyhbond_nbd_refined	0.151
r_chiral_restr	0.088
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	21519
Nucleic Acid Atoms
Solvent Atoms	990
Heterogen Atoms	126

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing