2V65

Apo LDH from the psychrophile C. gunnari

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1V6A	PDB ENTRY 1V6A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.8	277	0.1M HEPES PH 7.8, 0.2M PROLINE, 14% PEG 3350, 4 DEG C

Crystal Properties
Matthews coefficient	Solvent content
2.46	50.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.79	α = 90
b = 113.79	β = 90
c = 109.9	γ = 90

Symmetry
Space Group	C 2 2 2

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	MARRESEARCH	MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A		ESRF	BM30A

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	2.35	20	95.9	0.1	9.51	2.97		28796		-3	16.4

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	2.35	2.4	97.1		0.21	5.08	3.09

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1V6A	2.35	19.79	28632	1432	95.4	0.228	0.228	0.241	RANDOM	18.9

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]
2.01			2.01		-4.03

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.8
c_scangle_it	2.58
c_improper_angle_d	1.95
c_mcangle_it	1.88
c_scbond_it	1.83
c_angle_deg	1.4
c_mcbond_it	1.19
c_bond_d	0.013
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4972
Nucleic Acid Atoms
Solvent Atoms	305
Heterogen Atoms

Software

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