3CML

Crystal Structure of the DBL3x domain of the Plasmodium falcipurum VAR2CSA protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	20-25% PEG 3350, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
1.785878	31.126314

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.67	α = 90
b = 84.2	β = 90
c = 86.49	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	118	CCD	MARMOSAIC 225 mm CCD		2007-07-20	M	SINGLE WAVELENGTH

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

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	1.9	20	98.9	0.056	0.056	14.3	3.7	24118	23884	-6	-3	26.7

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)
	1.9	2.02	94.4		0.627	0.627	2.2	3.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2C6J	1.9	19.8	24118	23884	1880	98.9	0.223	0.223	0.253	RANDOM	43.4

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]
4.63			-1.78		-2.85

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.2
c_scangle_it	3.63
c_mcangle_it	3.19
c_scbond_it	2.38
c_mcbond_it	1.85
c_angle_deg	1.2
c_improper_angle_d	1.02
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2367
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
XDS	data scaling
XDS	data reduction
PHASER	phasing