Experiment: 3P4H

Structures of archaeal members of the LigD 3'-phosphoesterase DNA repair enzyme superfamily

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3N9B	PDB ENTRY 3N9B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	298	Crystallization was carried out in sitting-drop vapor-diffusion setups with 1:1 mixtures of protein solution containing 0.7 mM Cko and 1.8 mM MnCl2 and reservoir solution containing 20% PEG 3350 and 0.2 M Na2HPO4 , pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 27.769	α = 90
b = 58.458	β = 102.25
c = 33.18	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	130	CCD	ADSC QUANTUM 315		2010-06-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.95	NSLS	X25

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	1.1	30	96.5	0.038	42	5.1	42013	40543		-3	10.9

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	1.1	1.12	90.8		0.372	2.07	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	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	MOLECULAR REPLACEMENT	PDB ENTRY 3N9B	1.1	23.397	1.34	42013	40516	4161	96.49	0.1354	0.1321	0.1407	0.1647	0.173	Random

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]
1.2895		1.2613	-1.9815		0.4927

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.155
f_angle_d	1.406
f_chiral_restr	0.095
f_bond_d	0.011
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	963
Nucleic Acid Atoms
Solvent Atoms	216
Heterogen Atoms	13

Software

Software
Software Name	Purpose
HKL-2000	data collection
SOLVE	phasing
PHENIX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling