6YAK

Split gene transketolase, active alpha2beta2 heterotetramer

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH		291	2.1 M DL-malic acid pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 123.078	α = 90
b = 130.047	β = 90
c = 165.897	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 2M		2013-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.9200	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	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	1.34	60.878	97.7	0.056	1	16.4	6.1		288149			23.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.34	1.36	81.3		1.619	0.266	0.8	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1qgd	1.34	60.87	288145	14402	97.584	0.142	0.1409	0.1588	20.5

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]
-0.416			0.42		-0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.432
r_dihedral_angle_4_deg	20.198
r_dihedral_angle_3_deg	13.682
r_lrange_it	7.705
r_lrange_other	7.705
r_dihedral_angle_1_deg	6.322
r_scangle_it	5.931
r_scangle_other	5.931
r_scbond_it	4.231
r_scbond_other	4.227
r_mcangle_it	3.095
r_mcangle_other	3.095
r_angle_other_deg	2.27
r_mcbond_it	2.261
r_mcbond_other	2.26
r_angle_refined_deg	1.534
r_nbd_other	0.277
r_symmetry_nbd_refined	0.269
r_nbd_refined	0.214
r_symmetry_nbd_other	0.206
r_symmetry_xyhbond_nbd_refined	0.206
r_xyhbond_nbd_refined	0.172
r_nbtor_refined	0.161
r_symmetry_xyhbond_nbd_other	0.134
r_ncsr_local_group_2	0.093
r_chiral_restr	0.08
r_ncsr_local_group_1	0.078
r_symmetry_nbtor_other	0.065
r_metal_ion_refined	0.048
r_bond_other_d	0.033
r_gen_planes_other	0.013
r_bond_refined_d	0.008
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8982
Nucleic Acid Atoms
Solvent Atoms	1424
Heterogen Atoms	204

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
Aimless	data scaling
MOLREP	phasing
MoRDa	phasing