3N3M

Crystal structure of Plasmodium falciparum orotidine 5'-monophosphate decarboxylase complexed with 6-amino-UMP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2Q8L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.8	293	PEG 1000, ammonium phosphate, pH 8.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.89	35.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.802	α = 90
b = 83.131	β = 90
c = 89.983	γ = 90

Symmetry
Space Group	P 21 21 2

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 210		2006-10-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1	0.97710	CHESS	A1

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	1.47	50	99.5	0.061	0.061	10.9	7.2	103172	99916

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	1.47	1.5	91.8		0.497	0.497	2.88	5.5	4685

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	2Q8L	1.47	50	97966	5151	99.5	0.16414	0.16272	0.19105	RANDOM	17.292

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]
0.09			-0.16		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.787
r_dihedral_angle_4_deg	22.868
r_dihedral_angle_3_deg	13.286
r_dihedral_angle_1_deg	6.091
r_scangle_it	3.739
r_scbond_it	2.542
r_mcangle_it	1.577
r_angle_refined_deg	1.54
r_mcbond_it	0.992
r_nbtor_refined	0.319

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.787
r_dihedral_angle_4_deg	22.868
r_dihedral_angle_3_deg	13.286
r_dihedral_angle_1_deg	6.091
r_scangle_it	3.739
r_scbond_it	2.542
r_mcangle_it	1.577
r_angle_refined_deg	1.54
r_mcbond_it	0.992
r_nbtor_refined	0.319
r_nbd_refined	0.222
r_symmetry_vdw_refined	0.222
r_symmetry_hbond_refined	0.187
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.108
r_bond_refined_d	0.01
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5345
Nucleic Acid Atoms
Solvent Atoms	597
Heterogen Atoms	91

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
Coot	model building
HKL-2000	data reduction
HKL-2000	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.