4IZH

Crystal Structure of the Alpha1 dimer of Thermus thermophilus Transhydrogenase in P6

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	3.5	293	MemStart MemSys kit, condition E2: 0.1M Sodium chloride, 0.1M Na citrate pH 3.5, 0.1M Lithium sulphate, 30% v/v PEG 400, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.44	64.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 162.318	α = 90
b = 162.318	β = 90
c = 73.883	γ = 120

Symmetry
Space Group	P 6

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 315r	Rh coated flat mirror	2012-03-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.97949	SSRL	BL11-1

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	1.8	140.61	99.52	0.048	0.048	11.3	5	98204	97773			25.81

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)
1	1.8	1.89	97.4		0.437	0.437	1.7	5	15023

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1L7D	1.8	140.61	98204	97733	5210	99.52	0.16754	0.16754	0.16687	0.18024	RANDOM	28.759

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]
0.02			0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.386
r_dihedral_angle_3_deg	19
r_dihedral_angle_4_deg	17.18
r_dihedral_angle_1_deg	5.772
r_scangle_it	4.63
r_scbond_it	2.715
r_mcangle_it	1.66
r_angle_refined_deg	1.525
r_mcbond_it	0.941
r_chiral_restr	0.113

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.386
r_dihedral_angle_3_deg	19
r_dihedral_angle_4_deg	17.18
r_dihedral_angle_1_deg	5.772
r_scangle_it	4.63
r_scbond_it	2.715
r_mcangle_it	1.66
r_angle_refined_deg	1.525
r_mcbond_it	0.941
r_chiral_restr	0.113
r_bond_refined_d	0.013
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5452
Nucleic Acid Atoms
Solvent Atoms	193
Heterogen Atoms	78

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

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.