Experiment: 3TA4

Small laccase from Amycolatopsis sp. ATCC 39116 complexed with 1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)-1,3-dihydroxypropane

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.9	277	The protein concentration was 20 mg/mL buffered with 20 mM Tris-HCl; precipitate contained 25% ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 7.9

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.42	α = 90
b = 115.26	β = 90
c = 163.51	γ = 90

Symmetry
Space Group	C 2 2 21

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	RAYONIX MX-225		2010-10-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	99.8	0.116	20.65		33627	33545		-3	36.34

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	2.41	99.8		0.812	2.71

Refinement

Statistics
Diffraction ID	Structure Solution Method	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.35	19.799	2	33627	33510	1677	99.97	0.1794	0.1762	0.1731	0.238	0.2288	29.6505

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]
0.0704			-0.5018		0.4314

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.306
f_angle_d	1.408
f_chiral_restr	0.111
f_bond_d	0.008
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6426
Nucleic Acid Atoms
Solvent Atoms	265
Heterogen Atoms	40

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
XDS	data reduction
PHASER	phasing