2RAA

Crystal structure of pyruvate oxidoreductase subunit PORC (EC 1.2.7.1) (TM0015) from Thermotoga maritima at 2.12 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4	293	NANODROP, 0.8M Ammonium sulfate, 0.1M Citrate pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
2	VAPOR DIFFUSION, SITTING DROP	3.93	293	NANODROP, 0.86M Ammonium sulfate, 0.1M Citrate pH 3.93, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.252	α = 90
b = 57.252	β = 90
c = 147.151	γ = 90

Symmetry
Space Group	P 41 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	100	CCD	ADSC QUANTUM 315		2007-08-30	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-06-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.0000	ALS	8.2.2
2	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97925, 0.97895	SSRL	BL11-1

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	2.12	45.175	99.1	0.066	16.76			14544		-3	56.283

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	2.12	2.2	99.7		0.61	2.3

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	MAD	THROUGHOUT	2.12	45.175	14517	699	99.37	0.217	0.215	0.251	RANDOM	49.003

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]
1.79			1.79		-3.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.026
r_dihedral_angle_4_deg	16.475
r_dihedral_angle_3_deg	16.36
r_scangle_it	8.748
r_scbond_it	5.965
r_dihedral_angle_1_deg	5.093
r_mcangle_it	3.537
r_mcbond_it	2.409
r_angle_refined_deg	1.69
r_angle_other_deg	0.971
r_mcbond_other	0.515
r_nbd_refined	0.229
r_symmetry_vdw_other	0.22
r_nbd_other	0.203
r_nbtor_refined	0.186
r_symmetry_hbond_refined	0.157
r_symmetry_vdw_refined	0.135
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.105
r_nbtor_other	0.095
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1349
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing