3CAZ

Crystal structure of a BAR protein from Galdieria sulphuraria

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	Protein solution (10 mg/mL Se-Met protein, 0.05 M Sodium chloride, 0.0003 M TCEP, 0.005 M Bis-Tris pH 7.0) mixed in a 1:1 ratio with the Well solution (27% MPD, 0.12 M Magnesium chloride, 0.1 M MES/Acetate pH 5.5), VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.01	59.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.962	α = 90
b = 78.962	β = 90
c = 456.028	γ = 120

Symmetry
Space Group	P 61 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	CCD	MARMOSAIC 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2007-08-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.96411	APS	23-ID-D

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	3.344	47.168	98.3	0.085	11.425	12.8		13119

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)
1	3.344	3.47	98.2		0.858	1.622	9.4	1255

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	3.344	47.168	13115	648	99.101	0.217	0.215	0.252	RANDOM	74.648

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]
1.209	0.604		1.209		-1.813

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.599
r_dihedral_angle_3_deg	19.415
r_dihedral_angle_4_deg	17.282
r_dihedral_angle_1_deg	4.917
r_angle_refined_deg	0.904
r_scangle_it	0.642
r_mcangle_it	0.385
r_scbond_it	0.38
r_nbtor_refined	0.297
r_mcbond_it	0.216
r_nbd_refined	0.213
r_symmetry_hbond_refined	0.194
r_symmetry_vdw_refined	0.175
r_xyhbond_nbd_refined	0.121
r_chiral_restr	0.074
r_bond_refined_d	0.006
r_gen_planes_refined	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3437
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling