2HMP | pdb_00002hmp

Uncomplexed actin cleaved with protease ECP32

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1J6Z

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.75	277	1:1 mixture of 5-7.5 mg/ml protein solution containing 0.5 mM ATP and precipitant solution (40 mM SrCl2, 10% ethylene glycol, 13-15% dimethyl polyethylene glycol 5000, 50 mM triethanolamine, 10 mM spermidine, pH 7.75) equilibrated against 0.5 ml precipitant., VAPOR DIFFUSION, HANGING DROP, temperature 277K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.9	α = 90
b = 198.11	β = 90
c = 69.56	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	CUSTOM-MADE	ROSENBAUM-ROCK MONOCHROMATORS AND MIRRORS	2004-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9184	APS	19-ID

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	1.899	30	99.9	0.073	43.3	16.3	70611	70540			20.9

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)
	1.899	1.97	99.7		0.484	7.7	14.4	6976

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1J6Z	1.899	30	67065	66897	3562	99.75	0.17947	0.17947	0.17758	0.18	0.21487	0.22	RANDOM	24.101

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]
0.15			0.01		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.177
r_dihedral_angle_4_deg	17.895
r_dihedral_angle_3_deg	12.563
r_dihedral_angle_1_deg	5.327
r_scangle_it	4.524
r_scbond_it	2.986
r_mcangle_it	1.848
r_angle_refined_deg	1.277
r_mcbond_it	0.995
r_nbtor_refined	0.303
r_symmetry_hbond_refined	0.208
r_nbd_refined	0.193
r_symmetry_vdw_refined	0.175
r_xyhbond_nbd_refined	0.135
r_metal_ion_refined	0.133
r_symmetry_metal_ion_refined	0.094
r_chiral_restr	0.086
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5668
Nucleic Acid Atoms
Solvent Atoms	623
Heterogen Atoms	137

Software

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