1LV7

Crystal Structure of the AAA domain of FtsH

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	292	ammonium sulfate, Tris-HCl, DTT, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.152	α = 90
b = 53.152	β = 90
c = 189.066	γ = 90

Symmetry
Space Group	P 41 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	120	CCD	ADSC QUANTUM 4		2002-01-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	THROUGHOUT	1.5	50	41544	2198	98.23	0.15488	0.15361	0.17796	RANDOM	16.559

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]
1.01			1.01		-2.02

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	5.513
r_dihedral_angle_1_deg	5.304
r_scangle_it	3.82
r_scbond_it	2.639
r_sphericity_bonded	2.59
r_angle_other_deg	2.098
r_mcangle_it	1.913
r_angle_refined_deg	1.812
r_rigid_bond_restr	1.486
r_mcbond_it	1.338
r_symmetry_vdw_other	0.347
r_nbd_other	0.26
r_nbd_refined	0.223
r_symmetry_vdw_refined	0.192
r_xyhbond_nbd_refined	0.152
r_symmetry_hbond_refined	0.143
r_chiral_restr	0.111
r_nbtor_other	0.095
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1900
Nucleic Acid Atoms
Solvent Atoms	366
Heterogen Atoms	25

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
REFMAC	refinement