2JEX

Transcription activator structure reveals redox control of a replication initiation reaction

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5		PROTEIN WAS CRYSTALLISED FROM 0.1 M TRIS-HCL PH 8.5, 0.3 M NACL, 2MM DTT AND 18-22% TERTIARY BUTANOL, USING THE HANGING DROP METHOD OF VAPOUR DIFFUSION.

Crystal Properties
Matthews coefficient	Solvent content
4.01	69.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.549	α = 90
b = 60.549	β = 90
c = 89.41	γ = 120

Symmetry
Space Group	P 32

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	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	2.35	25	93.3	0.07	10.7	1.9		14352		3

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	2.35	2.43	90.2		0.32	2.5	1.8

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 2JEU	2.35	22.62	13541	716	100	0.211	0.21	0.241	RANDOM	72.2

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]
-0.18	-0.09		-0.18		0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.472
r_dihedral_angle_4_deg	17.974
r_dihedral_angle_3_deg	15.531
r_dihedral_angle_1_deg	5.572
r_scangle_it	4.209
r_scbond_it	2.79
r_mcangle_it	1.248
r_angle_refined_deg	1.073
r_mcbond_it	0.693
r_nbtor_refined	0.296
r_symmetry_hbond_refined	0.206
r_nbd_refined	0.199
r_symmetry_vdw_refined	0.167
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.08
r_bond_refined_d	0.01
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1572
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms

Software

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