Experiment: 2WCZ

1.6A resolution structure of Archaeoglobus fulgidus Hjc, a Holliday junction resolvase from an archaeal hyperthermophile

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1IPI	PDB ENTRIES 1IPI, 1GEF
experimental model	PDB	1GEF	PDB ENTRIES 1IPI, 1GEF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		20% PEG3350, 200MM MGCL2, pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
1.78	31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.56	α = 90
b = 37.56	β = 90
c = 272.51	γ = 120

Symmetry
Space Group	P 32 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 CCD	SINGLE SILICON (111) MONOCHROMATOR	2007-02-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	1.65	50	95.6	0.05	25.67	10.85		27133			26.1

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	1.65	1.69	77.6		0.69	2.14	4.46

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRIES 1IPI, 1GEF	1.65	32.299	0.03	27122	1386	95.51	0.1828	0.1806	0.186	0.224	0.2281	42.2

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]
2.915			2.915		-5.83

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.897
f_angle_d	1.028
f_chiral_restr	0.068
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1889
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing