3MWJ | pdb_00003mwj

Q28E mutant of HERA N-terminal RecA-like domain, apo form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GXS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M Bis-Tris pH 6.5, 28% MPEG 2000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.541	α = 90
b = 91.541	β = 90
c = 108.116	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	100	PIXEL	PSI PILATUS 6M		2010-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1	SLS	X10SA

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	1.4	38.3	100	0.021	15	20.2		90708			17.5

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	1.4	1.42	100		0.417	1.9	20.5	1895

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2GXS	1.4	38.29	83072	4352	96.47	0.14295	0.14114	0.1415	0.17618	0.1748	RANDOM	23.415

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]
-0.31			-0.31		0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.156
r_dihedral_angle_4_deg	21.59
r_sphericity_free	17.481
r_sphericity_bonded	16.011
r_dihedral_angle_3_deg	13.123
r_rigid_bond_restr	6.582
r_dihedral_angle_1_deg	5.628
r_angle_refined_deg	1.723
r_angle_other_deg	1.026
r_chiral_restr	0.11
r_bond_refined_d	0.018
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3140
Nucleic Acid Atoms
Solvent Atoms	279
Heterogen Atoms	15

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling