3AY9

Crystal structure of human Hsp70 NBD in the ADP-, Mg ion-, and K ion-bound state

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ATU	PDB ENTRY 3ATU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.7	293	0.05M calcium chloride, 0.1M bis-tris (pH6.5), 30% PEG MME 550, pH 5.7, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.733	α = 90
b = 61.343	β = 90
c = 142.65	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	MARRESEARCH	mirrors		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B2	1.54	SPring-8	BL26B2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.75	50	92.5	0.129	10.1349	6.21842		36093

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.81	87.7		0.523	3.60131

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 3ATU	1.75	20	36093	1914	92.14	0.1902	0.18896	0.21275	RANDOM	26.317

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]
-0.98			3.37		-2.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.032
r_dihedral_angle_4_deg	18.491
r_dihedral_angle_3_deg	13.203
r_dihedral_angle_1_deg	5.363
r_scangle_it	4.198
r_scbond_it	2.508
r_mcangle_it	1.475
r_angle_refined_deg	1.412
r_mcbond_it	0.793
r_nbtor_refined	0.305
r_nbd_refined	0.204
r_metal_ion_refined	0.2
r_symmetry_vdw_refined	0.158
r_symmetry_hbond_refined	0.135
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.097
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2938
Nucleic Acid Atoms
Solvent Atoms	266
Heterogen Atoms	36

Software

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