2CG9

Crystal structure of an Hsp90-Sba1 closed chaperone complex

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HK7	PDB ENTRIES 1HK7 AND 1AMW
experimental model	PDB	1AMW	PDB ENTRIES 1HK7 AND 1AMW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		PROTEIN WAS CRYSTALLISED BY THE HANGING DROP METHOD WITH 1:1 DROPS. PROTEIN AT 15MG/ML MIXED WITH 100MM HEPES PH 7.5, 20% PEG4K, 10% ISOPROPANOL, 10% GLYCEROL.

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 126.729	α = 90
b = 126.729	β = 90
c = 279.777	γ = 90

Symmetry
Space Group	P 41 21 2

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		2005-07-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	3.1	100	67.8	0.19	6.7	3.3		28878			55

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	3.1	3.27	20.2		0.46	1.3	1.6

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 ENTRIES 1HK7 AND 1AMW	3.1	115.47	27364	1451	68.2	0.314	0.312	0.353	RANDOM	71.53

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]
1.6			1.6		-3.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.626
r_dihedral_angle_3_deg	21.633
r_dihedral_angle_4_deg	17.154
r_dihedral_angle_1_deg	7.778
r_angle_refined_deg	1.365
r_scangle_it	0.866
r_scbond_it	0.507
r_mcangle_it	0.36
r_nbtor_refined	0.315
r_symmetry_vdw_refined	0.283
r_nbd_refined	0.267
r_mcbond_it	0.206
r_xyhbond_nbd_refined	0.199
r_symmetry_hbond_refined	0.173
r_chiral_restr	0.093
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
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_refined
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11844
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing