2E55

Structure of AQ2163 protein from Aquifex aeolicus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.6	295	32% PEG 4K, 0.1M LiSO4, 0.13M Tris-hydrochloride, pH 8.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.12	42.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.39	α = 90
b = 70.67	β = 97.96
c = 90.166	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU	GRAPHITE	2006-10-04	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	2.15	50	99	0.082	7.7	3.8	39631	37617			32.1

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	2.15	2.23	95		0.276	3.1	3.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1V9S	2.15	30	39631	37609	2003	93.81	0.21	0.21	0.23	RANDOM	39.339

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]
1.16		0.46	0.89		-1.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.063
r_dihedral_angle_4_deg	20.232
r_dihedral_angle_3_deg	11.777
r_scangle_it	3.773
r_scbond_it	2.396
r_dihedral_angle_1_deg	1.936
r_mcangle_it	1.382
r_angle_refined_deg	1.29
r_mcbond_it	0.834
r_nbtor_refined	0.335
r_symmetry_vdw_refined	0.26
r_nbd_refined	0.253
r_symmetry_hbond_refined	0.191
r_xyhbond_nbd_refined	0.186
r_chiral_restr	0.088
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6644
Nucleic Acid Atoms
Solvent Atoms	357
Heterogen Atoms	20

Software

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