3HBT | pdb_00003hbt

The structure of native G-actin

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	295	2M ammonium sulfate, 100mM Tris-HCl, pH8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.06	59.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.731	α = 90
b = 95.731	β = 90
c = 96.948	γ = 120

Symmetry
Space Group	P 32 2 1

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 315	Monochromator		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0	NSRRC	BL13B1

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	2.7	50	97.1	0.089	10.8	2.6	35823	13778

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)
	2.7	2.8	93.1		0.4	1.6	1.8	1348

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 2GWJ	2.7	27.64	13359	686	96.9	0.20484	0.20211	0.2312	0.25676	0.288	RANDOM	45.779

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.142
r_dihedral_angle_4_deg	20.429
r_dihedral_angle_3_deg	18.75
r_dihedral_angle_1_deg	5.967
r_scangle_it	2.211
r_angle_refined_deg	1.34
r_scbond_it	1.323
r_mcangle_it	0.822
r_mcbond_it	0.464
r_symmetry_hbond_refined	0.367
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.221
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.155
r_metal_ion_refined	0.104
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2821
Nucleic Acid Atoms
Solvent Atoms	61
Heterogen Atoms	37

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling