2FSV

Structure of transhydrogenase (dI.D135N.NAD+)2(dIII.E155W.NADP+)1 asymmetric complex

X-RAY DIFFRACTION

---

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
2.7	54.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.912	α = 90
b = 73.871	β = 90
c = 205.172	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		2003-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.934	ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	31.4	100	0.0666	5.7	4.5	50105	50105		2	43.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.42	100		0.34		4.5	7207

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1HZZ	2.3	31.37	47563	2542	99.99	0.2039	0.20165	0.24808	from pdb entry 1NM5	45.366

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]
-0.65			3.32		-2.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.26
r_dihedral_angle_3_deg	13.748
r_dihedral_angle_4_deg	10.835
r_dihedral_angle_1_deg	5.251
r_mcangle_it	1.372
r_mcbond_it	1.224
r_angle_refined_deg	1.184
r_scangle_it	1.142
r_angle_other_deg	1.084
r_scbond_it	0.743
r_symmetry_hbond_refined	0.211
r_nbd_other	0.162
r_nbd_refined	0.161
r_nbtor_refined	0.154
r_xyhbond_nbd_refined	0.151
r_mcbond_other	0.147
r_symmetry_vdw_other	0.129
r_symmetry_vdw_refined	0.126
r_nbtor_other	0.082
r_chiral_restr	0.056
r_bond_refined_d	0.007
r_bond_other_d	0.002
r_gen_planes_refined	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6669
Nucleic Acid Atoms
Solvent Atoms	382
Heterogen Atoms	110

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling