Experiment: 2R0Q

Crystal structure of a serine recombinase- DNA regulatory complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	292	drops containing 25 mM TRIS and 100 mM ammonium sulfate were mixed 1:1 with the sin-dna complex solution, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
5.898773	79.148209

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 132.5	α = 90
b = 132.5	β = 90
c = 315.1	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	100	CCD	ADSC QUANTUM 315		2006-02-08	M	MAD
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2006-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.91977, 0.91988	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID	1.77	APS	19-ID

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	3.21	50	96.9	0.136	12.44	7.8	56885	55122

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3.21	3.34	95.6		2.87	7.5	5436

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	MAD	THROUGHOUT	3.2	50	51441	48157	2407	93.6	0.267	0.2457	0.291	0.2558	random	80.563

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]
-13.197	-11.547		-13.705		26.902

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.353
c_bond_d	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6160
Nucleic Acid Atoms	2530
Solvent Atoms
Heterogen Atoms	10

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SOLVE	phasing