Experiment: 5AFA

Crystal structure of Laccase from Thermus thermophilus HB27 complexed with Ag, crystal of the holoenzyme soaked for 30 m in 5 mM AgNO3 at 278 K.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2XU9	PDB ENTRY 2XU9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		0.1 M HEPES PH 7.5, 70 % MPD BEFORE DATA COLLECTION THE CRYSTAL WAS SOAKED FOR 30 MINUTES IN 5 MM AGNO3

Crystal Properties
Matthews coefficient	Solvent content
2.56	52.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.706	α = 90
b = 110.579	β = 90
c = 96.547	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	ADSC QUANTUM 270	DOUBLE CRYSTAL CHANNEL CUT, SI(111), 1M LONG RH COATED TOROIDAL MIRROR FOR VERTICAL AND HORIZONTAL FOCUSING.	2013-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A		NSLS	X6A

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	2.19	29.35	98.2	0.17	5.1	4.1		25637			17.14

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	2.19	2.31	88.5		0.29	3.6	3.9

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 ENTRY 2XU9	2.193	29.346	1.4	25617	1302	98.39	0.1484	0.146	0.1474	0.1943	0.1936	17.76

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.437
f_angle_d	1.333
f_chiral_restr	0.067
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3439
Nucleic Acid Atoms
Solvent Atoms	378
Heterogen Atoms	120

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHENIX	phasing