3Q63 | pdb_00003q63

X-ray crystal structure of protein MLL2253 from Mesorhizobium loti, Northeast Structural Genomics Consortium Target MlR404.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5	277	Protein solution: 10 mM Tris (pH 7.5), 100 mM sodium chloride, and 5 mM DTT. Reservoir solution: 100mM BIS-TRIS pH 5.5, 25% PEG 3350, and 200mM Lithium sulfate monohydrate, Microbatch, under oil, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.116	α = 90
b = 148.122	β = 98.33
c = 87.391	γ = 90

Symmetry
Space Group	P 1 21 1

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	mirrors	2010-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97890	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	30	97.8	0.147	0.145	14.82	6		136539			12.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	96.1		0.3	0.315	3.9	4.9	6853

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	SAD	THROUGHOUT	2	19.99	2	2	134465	110396	10889	82.1	0.205	0.202	0.202	0.209	0.244	0.252	RANDOM	25.2

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]
13.79		-0.38	-9.47		-4.31

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.7
c_angle_deg	1.2
c_improper_angle_d	0.81
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6666
Nucleic Acid Atoms
Solvent Atoms	691
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
SHELX	model building
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELX	phasing