2O2P

Crystal structure of the C-terminal domain of rat 10'formyltetrahydrofolate dehydrogenase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	288	1.4 M AMMONIUM SULPHATE, 0.1M TRIS, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 259.5	α = 90
b = 194.4	β = 108.9
c = 97.3	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		2005-10-22	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	1.7	50	97.5	0.085	0.085	10.1	5.1	485421	485421			19.4

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	1.7	1.76	95.8		0.558	0.558	2.5	4.8	47647

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	1.7	50	485404	485404	24236	97.5	0.175	0.175	0.174	0.189	RANDOM	19.203

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]
0.62		0.49	-0.01		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.895
r_dihedral_angle_4_deg	23.709
r_dihedral_angle_3_deg	12.256
r_dihedral_angle_1_deg	6.203
r_scangle_it	2.986
r_scbond_it	1.926
r_angle_refined_deg	1.256
r_mcangle_it	1.137
r_mcbond_it	0.694
r_nbtor_refined	0.305
r_nbd_refined	0.192
r_symmetry_vdw_refined	0.144
r_xyhbond_nbd_refined	0.113
r_chiral_restr	0.092
r_symmetry_hbond_refined	0.066
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15296
Nucleic Acid Atoms
Solvent Atoms	1795
Heterogen Atoms	164

Software

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