1VQ0 | pdb_00001vq0

Crystal structure of 33 kDa chaperonin (Heat shock protein 33 homolog) (HSP33) (TM1394) from Thermotoga maritima at 2.20 A resolution

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1I7F

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	7.5	277	15.0% Glycerol, 8.5% iso-Propanol, 17.0% PEG-4000, 0.1M HEPES pH 7.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.22	61.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.213	α = 90
b = 101.673	β = 90
c = 113.686	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 QUANTUM 315	Flat mirror	2004-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

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	2.2	49.62	97.4	0.09	10.7	3.5		44233			43.5

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	2.2	2.26	86.9		0.413	2.2	2.5	2842

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	1I7F	2.2	49.62	41981	2228	96.97	0.20033	0.19824	0.21	0.24079	0.25	RANDOM	34.973

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]
-1.28			-0.16		1.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.929
r_dihedral_angle_3_deg	16.197
r_dihedral_angle_4_deg	13.11
r_dihedral_angle_1_deg	6.323
r_scangle_it	5.248
r_scbond_it	3.689
r_mcbond_it	1.973
r_mcangle_it	1.887
r_angle_refined_deg	1.588
r_angle_other_deg	0.903
r_mcbond_other	0.253
r_symmetry_vdw_other	0.249
r_nbd_refined	0.222
r_nbd_other	0.216
r_symmetry_vdw_refined	0.202
r_xyhbond_nbd_refined	0.165
r_symmetry_hbond_refined	0.154
r_nbtor_other	0.11
r_chiral_restr	0.102
r_bond_refined_d	0.019
r_bond_other_d	0.007
r_gen_planes_refined	0.007
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4570
Nucleic Acid Atoms
Solvent Atoms	273
Heterogen Atoms	42

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling