2O2R

Crystal structure of the C-terminal domain of rat 10'formyltetrahydrofolate dehydrogenase in complex with NADPH

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2O2Q	PDB ENTRY 2O2Q

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	288	1.6 M AMMONIUM SULPHATE, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 258.7	α = 90
b = 194.3	β = 108.9
c = 97.1	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARMOSAIC 300 mm CCD		2006-02-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

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	2.15	50	99.2	0.099	0.099	12.4	5.4	226906	226906			27.6

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	2.15	2.23	98.4		0.506	0.506	3.7	5.1	24034

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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2O2Q	2.2	50	226789	226789	11302	99.17	0.181	0.181	0.18	0.202	RANDOM	24.41

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]
0.21		1.26	-0.02		0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.012
r_dihedral_angle_4_deg	24.127
r_dihedral_angle_3_deg	14.391
r_dihedral_angle_1_deg	6.341
r_scangle_it	3.389
r_scbond_it	2.14
r_angle_refined_deg	1.381
r_mcangle_it	1.269
r_mcbond_it	0.743
r_nbtor_refined	0.303

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.012
r_dihedral_angle_4_deg	24.127
r_dihedral_angle_3_deg	14.391
r_dihedral_angle_1_deg	6.341
r_scangle_it	3.389
r_scbond_it	2.14
r_angle_refined_deg	1.381
r_mcangle_it	1.269
r_mcbond_it	0.743
r_nbtor_refined	0.303
r_nbd_refined	0.196
r_symmetry_vdw_refined	0.156
r_xyhbond_nbd_refined	0.139
r_symmetry_hbond_refined	0.105
r_chiral_restr	0.093
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15296
Nucleic Acid Atoms
Solvent Atoms	785
Heterogen Atoms	253

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.