Experiment: 4AAE

Crystal structure of the mutant D75N I-CreI in complex with an altered target (The four central bases, 2NN region, are composed by AGCG from 5' to 3')

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2XE0	PDB ENTRY 2XE0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9.5		50% PEG400, 0.1M CHES PH 9.5, 0.2M NACL

Crystal Properties
Matthews coefficient	Solvent content
2.98	63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.15	α = 90
b = 70.34	β = 90
c = 172.3	γ = 90

Symmetry
Space Group	P 2 21 21

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	DECTRIS PILATUS 6M			M	SINGLE WAVELENGTH

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

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	2.6	65.12	97.9	0.1	6.2	3.6		18671		1.5	33.69

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	2.6	2.74	98.8		0.43	1.5	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2XE0	2.6	54.485	1.36	18626	1863	97.46	0.1819	0.1752	0.2422	0.2497

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]
8.7623			-12.4378		3.6754

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	22.961
f_angle_d	1.262
f_chiral_restr	0.068
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2478
Nucleic Acid Atoms	978
Solvent Atoms	150
Heterogen Atoms

Software

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