2PLZ

Arg-modified human beta-defensin 1 (HBD1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	1.0 M Lithium sulfate, 2% (w/v) PEG8000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 20.366	α = 90
b = 27.408	β = 90
c = 55.079	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	CCD	MARMOSAIC 300 mm CCD	mirrors	2007-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	0.96	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	1.36	30	99.6	0.087	0.087	17	5.7	7002	7002		-3

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)
	1.36	1.41	99.4		0.341	0.341	4.2	5.2	657

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2IJV	1.36	20	7002	6636	332	99.64	0.10776	0.10776	0.10528	0.15797	RANDOM	12.36

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]
-0.68			0.66		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	22.896
r_dihedral_angle_4_deg	20.509
r_sphericity_free	9.528
r_dihedral_angle_3_deg	8.497
r_scangle_it	5.911
r_dihedral_angle_1_deg	5.639
r_sphericity_bonded	5.324
r_scbond_it	4.253
r_mcangle_it	3.076
r_mcbond_it	2.402
r_rigid_bond_restr	2.359
r_angle_refined_deg	1.963
r_nbtor_refined	0.309
r_symmetry_hbond_refined	0.214
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.194
r_symmetry_vdw_refined	0.192
r_chiral_restr	0.113
r_bond_refined_d	0.02
r_gen_planes_refined	0.017
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	279
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing