Experiment: 2EGI

Crystal Structure of a Hypothetical Protein(AQ1494) from Aquifex aeolicus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7.5	293	20% PEG8000, 0.1M HEPES pH7.5, micro batch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.493	α = 90
b = 97.754	β = 90
c = 113.194	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	180	CCD	RIGAKU JUPITER 210		2006-11-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B2	0.97884,0.9000,0.97973	SPring-8	BL26B2

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	2	40	99.6	0.085		6.8	74399	74399	2	2	24.6

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	2	2.07	98.8		0.416		5.7	7274

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.3	19.72	48589	2754	96.8	0.24	0.24	0.2453	0.282	0.2852	RANDOM	26

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]
5.24			-4.18		-1.06

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.5
c_scangle_it	2.62
c_mcangle_it	1.97
c_scbond_it	1.86
c_mcbond_it	1.24
c_angle_deg	1.2
c_improper_angle_d	0.7
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7488
Nucleic Acid Atoms
Solvent Atoms	286
Heterogen Atoms	6

Software

Software
Software Name	Purpose
CNS	refinement
BSS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing