Experiment: 1NIK

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1I6H	1I6H WITH DNA AND RNA REMOVED 1GO3 COVERTED TO POLY-ALA MODEL
experimental model	PDB	1GO3	1I6H WITH DNA AND RNA REMOVED 1GO3 COVERTED TO POLY-ALA MODEL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.3	291	peg400, peg 6K, NaCl, Dioaxne, ZnCl2, Ammonium phosphate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 291K, pH 6.30

Crystal Properties
Matthews coefficient	Solvent content
6.31	80.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 224.098	α = 90
b = 394.462	β = 90
c = 284.343	γ = 90

Symmetry
Space Group	C 2 2 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 210		2002-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2		ALS	5.0.2

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	4.1	40	98.8	0.108	5.9	3.5		96816		-3

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	4.1	4.25	96.6		0.614	1.06	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1I6H WITH DNA AND RNA REMOVED 1GO3 COVERTED TO POLY-ALA MODEL	4.1	40	84704			0.3335	0.3335	0.3604

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	28288
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	7

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.