Experiment: 4L2N

Understanding Extradiol Dioxygenase Mechanism in NAD+ Biosynthesis by Viewing Catalytic Intermediates - ligand-free structure

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	PEG 8000, 0.1M Tris-HCl, 200 mM MgCl2 , pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.34	α = 90
b = 58.34	β = 90
c = 231.426	γ = 120

Symmetry
Space Group	P 65 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	MARMOSAIC 300 mm CCD		2012-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.74	50	96.9			25017	24242

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	76.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1YFU	1.74	34.129	1.34	25158	24184	1239	96.13	0.2132	0.211	0.2537	0.2412	RANDOM	32.4994

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]
5.8058			5.8058		-11.6116

RMS Deviations
Key	Refinement Restraint Deviation
f_angle_refined_deg	1.168
f_bond_refined_d	0.007
f_dihedral_angle_1_deg	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1409
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	11

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
DENZO	data reduction
SCALEPACK	data scaling
HKL-2000	data scaling
MOLREP	phasing
REFMAC	refinement