2CKB | pdb_00002ckb

STRUCTURE OF THE 2C/KB/DEV8 COMPLEX

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TCR	PDB ENTRIES 1TCR, 1VAC
experimental model	PDB	1VAC	PDB ENTRIES 1TCR, 1VAC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		PROTEIN WAS CRYSTALLIZED FROM 0.2 M TRIS ACETATE PH 7.2 0.1 M SODIUM CHLORIDE 12 % PEG 4000 AND TRANSFERRED IN ETHYLENE GLYCOL CONTAINING PRECIPITANT SOLUTION, FROM 4% TO 22%, BEFORE DATA COLLECTION.

Crystal Properties
Matthews coefficient	Solvent content
3.11	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 295.66	α = 90
b = 89.96	β = 90
c = 84.12	γ = 90

Symmetry
Space Group	P 21 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	103	IMAGE PLATE	MARRESEARCH	MIRRORS	1997-04-07	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	3	25	83.3	0.088	9.2	6.9		314268

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)
	3	3.12	70.1		0.328	2.1

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 (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRIES 1TCR, 1VAC	3	25	34092	1435	78.7	0.221	0.221	0.322	SPHERES	43.2

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]
14.6			-11		14.9

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	28.8
x_scangle_it	20.6
x_scbond_it	15.6
x_mcangle_it	14.7
x_mcbond_it	9.94
x_angle_deg	1.56
x_improper_angle_d	0.78
x_bond_d	0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13104
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
X-PLOR	refinement