4HDD | pdb_00004hdd

Domain swapping in the cytoplasmic domain of the Escherichia coli rhomboid protease

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.9	298	0.49M sodium phosphate monobasic monohydrate - 0.91M potassium phosphate dibasic, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K
2	VAPOR DIFFUSION, HANGING DROP	4.6	298	100mM sodium acetate trihydrate, 0.2M ammonium sulfate, 25% PEG 4000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.76	α = 90
b = 51.76	β = 90
c = 91.56	γ = 90

Symmetry
Space Group	I 4 2 2

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 315r		2011-09-08	M	MAD
2	2	x-ray	100	CCD	RAYONIX MX-300		2011-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 12.3.1	0.9793, 1.116	ALS	12.3.1
2	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.9795	CLSI	08ID-1

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	1.35	45.058	98.6	0.032	14.83		25782	25782	-3	-3	21.595

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	1.35	1.39	98.5		0.481	2.07

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	1.35	45.058	-3	14001	14001	704	99.41	0.1629	0.1618	0.1607	0.182	0.1825	RANDOM	21.7243

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]
-1.1799			-1.1799		2.3598

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.056
f_angle_d	1.437
f_chiral_restr	0.091
f_bond_d	0.014
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	522
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms	4

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
MxDC	data collection
XDS	data reduction
PHENIX	phasing