3CGA

Crystal structure of metastasis-associated protein S100A4 in the active, calcium-bound form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5	298	20% (w/v) PEG 3350 and 100 mM Tris-HCl pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.57	48.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.107	α = 90
b = 47.107	β = 90
c = 176.2	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2006-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

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	2.03	50					14094

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO	FREE R	2.03	50	700	94.3	0.255		0.331	thin shells

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		1542

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.106
s_non_zero_chiral_vol	0.033
s_from_restr_planes	0.024
s_angle_d	0.023
s_zero_chiral_vol	0.023
s_bond_d	0.005
s_similar_dist
s_anti_bump_dis_restr
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1412
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SHELX	model building
SHELXL-97	refinement
DENZO	data reduction
HKL-2000	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.