3CHJ

Crystal Structure of Alpha-14 Giardin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	277	100 mM sodium acetate pH 4.6 and 15% (w/v) PEG 20000, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.012	α = 90
b = 65.305	β = 90
c = 75.848	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		CCD	MARMOSAIC 325 mm CCD		2007-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1		SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.6	50	100			42635	42635

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.6	50	42635	42574	2147	99.89	0.199	0.198	0.228	RANDOM	20.102

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]
0.06			-0.1		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.269
r_dihedral_angle_4_deg	18.11
r_dihedral_angle_3_deg	11.209
r_dihedral_angle_1_deg	4.967
r_scangle_it	3.634
r_scbond_it	2.341
r_mcangle_it	1.475
r_angle_refined_deg	1.182
r_mcbond_it	0.906
r_nbtor_refined	0.307
r_nbd_refined	0.203
r_xyhbond_nbd_refined	0.142
r_symmetry_vdw_refined	0.136
r_symmetry_hbond_refined	0.126
r_metal_ion_refined	0.086
r_chiral_restr	0.081
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2494
Nucleic Acid Atoms
Solvent Atoms	255
Heterogen Atoms	1

Software

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