1RH6

Bacteriophage Lambda Excisionase (Xis)-DNA Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	NaOAc, imidazole, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.215	α = 90
b = 72.691	β = 104.11
c = 38.801	γ = 90

Symmetry
Space Group	C 1 2 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		2002-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.10	NSLS	X8C

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	1.7	100	93.1	0.05	0.05	19.8	93.1		32190	3	3	24.125

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	1.7	1.78	95.8		0.135	0.152	8.2	95.8	3280

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	MIR	THROUGHOUT	1.7	20	3	3	21990	1161	97.27	0.19293	0.19293	0.19117	0.2	0.22553	0.24	RANDOM	31.551

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]
3.63		1.19	-1.23		-1.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.203
r_scangle_it	4.492
r_scbond_it	3.102
r_angle_refined_deg	2.582
r_mcangle_it	2.464
r_mcbond_it	1.471
r_angle_other_deg	1.202
r_symmetry_vdw_other	0.42
r_symmetry_vdw_refined	0.297
r_nbd_other	0.25
r_symmetry_hbond_refined	0.247
r_xyhbond_nbd_refined	0.238
r_nbd_refined	0.223
r_chiral_restr	0.138
r_nbtor_other	0.092
r_bond_refined_d	0.025
r_gen_planes_refined	0.013
r_gen_planes_other	0.009
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	931
Nucleic Acid Atoms	574
Solvent Atoms	152
Heterogen Atoms

Software

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