Experiment: 2IT2

Structure of PH1069 protein from Pyrococcus horikoshii

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2DRV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7.5	295	HEPES, KH2PO4, pH 7.5, microbatch, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.428	α = 104.6
b = 53.902	β = 102.9
c = 53.212	γ = 109.3

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		IMAGE PLATE	RIGAKU RAXIS V		2006-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B1	1.0	SPring-8	BL26B1

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	1.5	50	100	0.054	21.9	3.4	53425	53423			24.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.5	1.55	99

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2DRV	1.5	17.55	53425	53423	2703	99.1	0.25	0.25	0.2487	0.265	0.2613	RANDOM	26.1

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]
3.56	1.24	-2.21	-1.13	-1.35	-2.43

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.4
c_angle_deg	1.4
c_improper_angle_d	0.79
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3132
Nucleic Acid Atoms
Solvent Atoms	314
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing