3LJN

Ankyrin repeat protein from Leishmania major

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	9	293	protein buffer 25 mM HEPES pH 7.5, 100 mM NaCl; crystallization buffer 100 mM NaCl, 100 mM MMT pH 9.0, 22% PEG 2000MME, vapor diffusion, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.293	α = 90
b = 85.656	β = 90
c = 76.814	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 315		2005-01-07		three wavelength MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.97954, 0.97963, 0.95369	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.9	50	95.3	0.13	7.1	3.4		8482

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.9	3	85.9		0.928		2.4	742

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MAD	2.9	45.925	8469	455	94.944	0.2287	0.2949	16.591

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]
-0.078			0.357		-0.279

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.984
r_dihedral_angle_3_deg	18.667
r_dihedral_angle_4_deg	18.56
r_dihedral_angle_1_deg	6.072
r_angle_refined_deg	1.248
r_angle_other_deg	0.863
r_symmetry_vdw_other	0.25
r_symmetry_vdw_refined	0.15
r_chiral_restr	0.066
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2355
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SOLVE	phasing