Experiment: 1IJJ

THE X-RAY CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN RABBIT SKELETAL MUSCLE ACTIN AND LATRUNCULIN A AT 2.85 A RESOLUTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YAG	PDB ENTRY 1YAG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	298	ammonium sulfate, magnesium chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP at 298 K

Crystal Properties
Matthews coefficient	Solvent content
3.78	67.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.304	α = 90
b = 102.183	β = 90
c = 124.218	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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B	0.984	NSLS	X9B

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	2.85	30	98.7	0.049		4		29997

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)
	2.85	2.95	99.3		0.527		3.8	2969

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1YAG	2.85	15	2	30205	29269	1166	96.9	0.233	0.309	RANDOM

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]
-1.61			1.21		0.4

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.4
c_angle_d	2.1
c_improper_angle_d	1.22
c_bond_d	0.017

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5498
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	122

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement