2AWP

Crystal structure of Plasmodium knowlesi structure of Iron Super-Oxide Dismutase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2AO3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.1	297	30%PEG4K,0.2M NH4 Acetate,0.1M Na Cacodylate,5mM MnCl2, pH 5.1, VAPOR DIFFUSION, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.24	α = 90
b = 79.053	β = 90
c = 88.672	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	100	IMAGE PLATE	RIGAKU RAXIS IV	VeriMax	2005-08-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E	1.54

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	50	99.1	0.157	0.157	4.9	5	26770	26770

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)
	2	2.03	90.7		0.578	0.578	2.43	4.7

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	2AO3	2	50	25638	25638	1091	99.45	0.1609	0.15817	0.2254	RANDOM	14.707

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]
0.02			-0.94		0.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.98
r_dihedral_angle_3_deg	13.434
r_dihedral_angle_1_deg	5.998
r_dihedral_angle_4_deg	5.586
r_scangle_it	3.11
r_scbond_it	2.077
r_angle_refined_deg	1.355
r_mcangle_it	1.252
r_mcbond_it	0.785
r_nbtor_refined	0.305
r_nbd_refined	0.199
r_symmetry_hbond_refined	0.193
r_symmetry_vdw_refined	0.176
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.102
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3177
Nucleic Acid Atoms
Solvent Atoms	559
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
HKL-2000	data scaling
MOLREP	phasing