2FR8

Structure of transhydrogenase (dI.R127A.NAD+)2(dIII.NADP+)1 asymmetric complex

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HZZ	pdb entry 1HZZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	16-20% 8K-PEG, 20-150 mM (NH4)2SO4, 100 mM Mes, pH 6.0 and 10% glycerol in the presence of 50 mM NAD+ and 5 mM NADP+, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.12	42.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.13	α = 90
b = 70.33	β = 90
c = 195.14	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		2004-07-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.933	ESRF	ID14-4

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	2.6	47.7	98.5	0.117	0.117	11.4	4.9	27222	27222		2	41.29

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)
	2.6	2.74	92.1		0.442	0.442	2.2	2.8	3653

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	2.6	41.3	2	25781	25781	1381	98.54	0.25328	0.25328	0.25059	0.30388	RANDOM	48.122

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]
2.51			-1.53		-0.97

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.773
r_dihedral_angle_4_deg	14.477
r_dihedral_angle_3_deg	14.449
r_dihedral_angle_1_deg	5.213
r_angle_refined_deg	1.163
r_angle_other_deg	0.849
r_mcangle_it	0.681
r_scangle_it	0.56
r_mcbond_it	0.394
r_scbond_it	0.338
r_symmetry_vdw_other	0.184
r_nbd_refined	0.18
r_nbd_other	0.177
r_xyhbond_nbd_refined	0.174
r_nbtor_refined	0.161
r_symmetry_hbond_refined	0.153
r_symmetry_vdw_refined	0.145
r_nbtor_other	0.083
r_xyhbond_nbd_other	0.061
r_chiral_restr	0.058
r_mcbond_other	0.025
r_bond_refined_d	0.007
r_bond_other_d	0.006
r_gen_planes_refined	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6468
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	75

Software

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