3LOE

Crystal structure of human alpha-defensin 1 (F28A mutant)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	25% PEG 4,000; 0.2 M ammonium sulfate; 0.1 M sodium acetate, pH 4.6 , VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.527	α = 90
b = 39.827	β = 90
c = 46.259	γ = 90

Symmetry
Space Group	I 2 2 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	IMAGE PLATE	RIGAKU RAXIS IV++		2009-03-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	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	1.56	30.182	99.9	0.087	0.103	20.1	6.7	4349	4342	1	1

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	1.56	1.59	83.5		0.098	0.116	18.6	6	167

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	PDB ENTRY 1GNY	1.56	20	4139	4340	201	99.93	0.174	0.174	0.184	RANDOM	17.603

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			-0.52		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.563
r_dihedral_angle_4_deg	12.25
r_dihedral_angle_3_deg	10.481
r_dihedral_angle_1_deg	7.299
r_scangle_it	3.388
r_scbond_it	2.147
r_angle_refined_deg	1.552
r_mcangle_it	1.444
r_mcbond_it	0.865
r_chiral_restr	0.113
r_bond_refined_d	0.015
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	232
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	11

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing