2R9G

Crystal structure of the C-terminal fragment of AAA ATPase from Enterococcus faecium

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5	294	100mM HEPES pH 7.5, 25% PEG 3350, 200mM Ammonium acetate, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.778	α = 90.01
b = 103.39	β = 88.69
c = 103.374	γ = 86.05

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	100	CCD	ADSC QUANTUM 315	MIRRORS	2007-08-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.09	50	87.3	0.126	0.091	2.8	3.6		202788		-0.5	33.04

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.09	2.18	44.4		0.76	0.54	2.1	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	PDB ENTRY 2QW6	2.09	20	171031	5299	87.1	0.199	0.197	0.248	RANDOM	37.79

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]
1.82	-0.55	-0.52	-0.86	-0.19	-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.481
r_dihedral_angle_4_deg	18.302
r_dihedral_angle_3_deg	15.434
r_scangle_it	6.867
r_dihedral_angle_1_deg	5.202
r_scbond_it	4.754
r_mcangle_it	4.017
r_mcbond_it	2.841
r_angle_refined_deg	1.151
r_nbtor_refined	0.293
r_xyhbond_nbd_refined	0.16
r_nbd_refined	0.151
r_symmetry_vdw_refined	0.13
r_symmetry_hbond_refined	0.093
r_chiral_restr	0.08
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
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	22720
Nucleic Acid Atoms
Solvent Atoms	1338
Heterogen Atoms	72

Software

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