3AA0 | pdb_00003aa0

Crystal structure of Actin Capping Protein in complex with the Cp-binding motif derived from CARMIL

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	18% PEG 400, 40MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.814	α = 90
b = 67.921	β = 90
c = 137.086	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	RIGAKU JUPITER 210	mirrors	2009-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B1	1.0	SPring-8	BL26B1

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	1.7	50	97.7	0.08	18.32	6.1		55697			33.5

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)
	1.7	1.76	78.7		0.348	2.03	2.5	4405

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1IZN	1.7	42.81	52798	2822	97.56	0.19391	0.19149	0.19	0.23919	0.24	RANDOM	26.033

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]
0.05			-0.74		0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.963
r_dihedral_angle_4_deg	20.344
r_dihedral_angle_3_deg	14.8
r_dihedral_angle_1_deg	5.863
r_scangle_it	4.737
r_scbond_it	2.854
r_mcangle_it	1.968
r_angle_refined_deg	1.577
r_mcbond_it	1.076
r_chiral_restr	0.121

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.963
r_dihedral_angle_4_deg	20.344
r_dihedral_angle_3_deg	14.8
r_dihedral_angle_1_deg	5.863
r_scangle_it	4.737
r_scbond_it	2.854
r_mcangle_it	1.968
r_angle_refined_deg	1.577
r_mcbond_it	1.076
r_chiral_restr	0.121
r_bond_refined_d	0.015
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4281
Nucleic Acid Atoms
Solvent Atoms	438
Heterogen Atoms	4

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
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.