2FNA

Crystal structure of an archaeal aaa+ atpase (sso1545) from sulfolobus solfataricus p2 at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	9.5	277	20.0% PEG-8000, 0.1M CHES, pH 9.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.36	α = 90
b = 108.35	β = 100.31
c = 70.57	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	CCD	MARMOSAIC 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2005-10-31	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.95372, 0.979996	APS	23-ID-D

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	69.5	91.6	0.067	9.53	3.2		53921

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	79.6	79.6	0.424	2.05

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	69.5	51161	2733	97.51	0.177	0.17656	0.174	0.226	RANDOM	36.569

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]
-2.3		-0.71	1.17		0.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.827
r_dihedral_angle_4_deg	17.074
r_dihedral_angle_3_deg	14.787
r_scangle_it	6.568
r_dihedral_angle_1_deg	5.772
r_scbond_it	4.934
r_mcangle_it	2.923
r_mcbond_it	1.961
r_angle_refined_deg	1.425
r_angle_other_deg	0.818
r_mcbond_other	0.485
r_symmetry_vdw_other	0.218
r_nbd_refined	0.214
r_nbtor_refined	0.185
r_nbd_other	0.176
r_xyhbond_nbd_refined	0.163
r_symmetry_hbond_refined	0.12
r_symmetry_vdw_refined	0.119
r_chiral_restr	0.082
r_nbtor_other	0.082
r_xyhbond_nbd_other	0.018
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5688
Nucleic Acid Atoms
Solvent Atoms	347
Heterogen Atoms	84

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELX	phasing
SHARP	phasing