Experiment: 1LE8

Crystal Structure of the MATa1/MATalpha2-3A Heterodimer Bound to DNA Complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	10% PEG400, 8 mM Co(NH3)6Cl3, 10 mM CaCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.17	α = 90
b = 54.17	β = 90
c = 164.23	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	98	CCD	KODAK		1999-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	1.0	APS	14-BM-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	50	92.5	0.03	19.6	4.2		11201	3	3	44.9

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)
	2.3		53.2		0.29	0.29	3		11201

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (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	2.3	24.28	12175	11201	548	92.5	0.256	0.2539	0.299	0.2963	RANDOM	49.1

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]
-3.62	3.08		-3.62		7.25

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	18.6
c_angle_deg	1.4
c_improper_angle_d	1.11
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	993
Nucleic Acid Atoms	814
Solvent Atoms	102
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement