2FRD

Structure of Transhydrogenase (dI.S138A.NADH)2(dIII.NADPH)1 asymmetric complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	22-24% 8K-PEG, 60-140 mM (NH4)2SO4, 100 mM Mes, pH 6.0 and 10% glycerol in the presence of 50 mM NADH and 5 mM NADPH, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.3	α = 90
b = 74.11	β = 90
c = 205.22	γ = 90

Symmetry
Space Group	P 21 21 21

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 4		2004-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

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	3.2	45.93	98.9	0.072	0.072	13.4	3.9	18400	18400		2	75.5

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	3.2	3.37	99.2		0.326	4	3.9	2660

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 1HZZ	3.2	45.93	2	16712	16712	1643	98.4	0.21852	0.21852	0.21338	0.2723	from pdb entry 1NM5	43.582

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]
0.63			4.27		-4.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.804
r_dihedral_angle_3_deg	15.681
r_dihedral_angle_4_deg	13.878
r_dihedral_angle_1_deg	6.894
r_scangle_it	2.66
r_angle_other_deg	2.001
r_scbond_it	1.642
r_mcangle_it	1.447
r_angle_refined_deg	1.217
r_mcbond_it	1.103
r_symmetry_hbond_refined	0.169
r_nbd_other	0.168
r_nbd_refined	0.163
r_xyhbond_nbd_refined	0.159
r_nbtor_refined	0.158
r_symmetry_vdw_other	0.121
r_nbtor_other	0.079
r_symmetry_vdw_refined	0.078
r_chiral_restr	0.059
r_mcbond_other	0.044
r_xyhbond_nbd_other	0.034
r_gen_planes_other	0.031
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6619
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	136

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling