3CHW

Complex of Dictyostelium discoideum Actin with Profilin and the Last Poly-Pro of Human VASP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PAV	PDB ENTRY 2PAV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277.15	0.1M Bis-Tris, 25% PEG3350, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.037	α = 90
b = 76.183	β = 90
c = 180.822	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	ADSC QUANTUM 210	Rh-coated Si mirror	2007-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	0.9795	CHESS	F2

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	2.3	50	89.7	0.117	0.117	20.3	11	24210	21716			35.3

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	2.3	2.38	80.9		0.349	0.349	15.8	11.1	1937

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	PDB ENTRY 2PAV	2.3	38.87	24210	21648	1101	89.57	0.161	0.161	0.157	0.227	RANDOM	22.306

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]
0.03			-0.17		0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.267
r_dihedral_angle_3_deg	16.747
r_dihedral_angle_4_deg	16.612
r_scangle_it	8.158
r_scbond_it	6.051
r_dihedral_angle_1_deg	5.818
r_mcangle_it	3.83
r_mcbond_it	2.633
r_angle_refined_deg	1.504
r_nbtor_refined	0.306

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.267
r_dihedral_angle_3_deg	16.747
r_dihedral_angle_4_deg	16.612
r_scangle_it	8.158
r_scbond_it	6.051
r_dihedral_angle_1_deg	5.818
r_mcangle_it	3.83
r_mcbond_it	2.633
r_angle_refined_deg	1.504
r_nbtor_refined	0.306
r_nbd_refined	0.205
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.169
r_xyhbond_nbd_refined	0.162
r_chiral_restr	0.099
r_metal_ion_refined	0.077
r_bond_refined_d	0.015
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3951
Nucleic Acid Atoms
Solvent Atoms	317
Heterogen Atoms	32

Software

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

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 R01GM157729.