2DI4

Crystal structure of the FtsH protease domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	0.1M MES (pH 6.0), 5% PEG8K, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.8	α = 90
b = 116.8	β = 90
c = 63.5	γ = 120

Symmetry
Space Group	P 63

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 4		2002-07-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.00000, 1.05000, 1.00524, 1.00714	SPring-8	BL38B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.79	100	99.3	42.9		12436	12436

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.79	2.89	93.3		9.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2.79	20	11487	11487	876	99.56	0.2544	0.2544	0.25092	0.29903	RANDOM	49.7

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]
-4.51	-2.25		-4.51		6.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.485
r_dihedral_angle_4_deg	24.2
r_dihedral_angle_3_deg	19.14
r_dihedral_angle_1_deg	5.107
r_scangle_it	2.94
r_scbond_it	2.025
r_angle_refined_deg	1.36
r_mcangle_it	1.15
r_mcbond_it	0.742
r_symmetry_hbond_refined	0.349
r_nbtor_refined	0.311
r_metal_ion_refined	0.299
r_nbd_refined	0.246
r_symmetry_vdw_refined	0.221
r_xyhbond_nbd_refined	0.111
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2628
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	2

Software

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