2P9J

Crystal structure of AQ2171 from Aquifex aeolicus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	4.69	291	25% w/v PEG 4000, 0.1 M Na Acetate, Acetic acid pH 4.69, 0.2M Ammonium Acetate, MICROBATCH, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.325	α = 90
b = 121.325	β = 90
c = 86.897	γ = 90

Symmetry
Space Group	P 42

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	MARRESEARCH		2006-12-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	0.97930, 0.90000, 0.97945	SPring-8	BL38B1

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	2.4	33.92		0.079	25.2	7.6		49520

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	2.4	2.46	100		0.353	4.39	7.4

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	2.4	33.92	45249	2352	100	0.21894	0.21639	0.2225	0.26771	0.223	RANDOM	24.88

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.474
r_dihedral_angle_4_deg	17.214
r_dihedral_angle_3_deg	16.252
r_dihedral_angle_1_deg	5.679
r_scangle_it	1.923
r_angle_refined_deg	1.219
r_scbond_it	1.192
r_mcangle_it	0.812
r_mcbond_it	0.531
r_nbtor_refined	0.296
r_nbd_refined	0.195
r_symmetry_vdw_refined	0.158
r_xyhbond_nbd_refined	0.131
r_symmetry_hbond_refined	0.125
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9828
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms

Software

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