2QCM

Crystal structure of the orotidine-5'-monophosphate decarboxylase domain (Asp312Asn mutant) of human UMP synthase bound to 6-hydroxymethyl-UMP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	295	pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.378	α = 90
b = 116.607	β = 90
c = 61.91	γ = 90

Symmetry
Space Group	C 2 2 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	IMAGE PLATE	MAR scanner 345 mm plate		2006-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.5419

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	1.66	32.24	97.3	0.05	26	4.6		32717

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)
	1.66	1.72	73.9		0.243	4.3	3.5	2466

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.67	32.24	31057	1640	98.62	0.14213	0.14123	0.15927	RANDOM	20.58

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]
1.98			-0.9		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.345
r_dihedral_angle_4_deg	17.262
r_dihedral_angle_3_deg	13.073
r_dihedral_angle_1_deg	5.744
r_scangle_it	3.208
r_scbond_it	2.191
r_angle_refined_deg	1.421
r_mcbond_it	1.142
r_mcangle_it	1.113
r_angle_other_deg	0.919
r_symmetry_vdw_other	0.321
r_nbd_refined	0.226
r_nbd_other	0.206
r_mcbond_other	0.205
r_symmetry_vdw_refined	0.185
r_nbtor_refined	0.177
r_symmetry_hbond_refined	0.166
r_xyhbond_nbd_refined	0.126
r_nbtor_other	0.083
r_chiral_restr	0.082
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2125
Nucleic Acid Atoms
Solvent Atoms	309
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement