2V7Y

Crystal structure of the molecular chaperone DnaK from Geobacillus kaustophilus HTA426 in post-ATP hydrolysis state

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		200 MM AMMONIUM CITRATE, PH 7.5, 20% (V/V) ISOPROPANOL, 15% (W/V) PEG3350

Crystal Properties
Matthews coefficient	Solvent content
3.15	61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.753	α = 90
b = 71.455	β = 90
c = 183.864	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 CCD	VERTICALLY COLLIMATING PREMIRROR, LN2-COOLED FIXED-EXIT DOUBLE CRYSTAL SI(111) MONOCHROMATOR , TOROIDAL FOCUSING MIRROR		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1		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	2.37	29.58	94.8	0.06	14.9	3.1		25994		2	30.2

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	2.37	2.45	93.9		0.49	2	3.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3HSC, 1DKZ	2.37	29.58	25994	1251	89.3	0.227	0.227	0.27	RANDOM	43.8

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]
-3.78			5.04		-1.26

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.5
c_scangle_it	6.86
c_scbond_it	5.43
c_mcangle_it	4.56
c_improper_angle_d	4.22
c_mcbond_it	3.17
c_angle_deg	2.4
c_bond_d	0.014
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3720
Nucleic Acid Atoms
Solvent Atoms	166
Heterogen Atoms	33

Software

Software
Software Name	Purpose
CNS	refinement
Blu-Ice	data reduction
SCALEPACK	data scaling
MOLREP	phasing