4AKP

Mutations in the neighbourhood of CotA-laccase trinuclear site: E498T mutant

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1W6L	PDB ENTRY 1W6L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		8 % PEG 4K, 0.1 M SODIUM CITRATE PH5.5, 26 % ISOPROPANOL

Crystal Properties
Matthews coefficient	Solvent content
3.56	65.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.898	α = 90
b = 101.898	β = 90
c = 136.931	γ = 120

Symmetry
Space Group	P 31 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 QUANTUM 210		2007-04-20	M	SINGLE WAVELENGTH

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

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	88.39	99.6	0.07		5.1		55879		2.2

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	2.11	99.7		0.35		3.6

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 1W6L	2	44.11	52997	2840	99.59	0.17863	0.17671	0.21497	RANDOM	25.649

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
r_dihedral_angle_2_deg	34.233
r_dihedral_angle_4_deg	16.827
r_dihedral_angle_3_deg	12.804
r_dihedral_angle_1_deg	6.275
r_scangle_it	2.184
r_scbond_it	1.413
r_angle_refined_deg	1.143
r_mcangle_it	0.947
r_mcbond_it	0.552
r_nbtor_refined	0.308
r_nbd_refined	0.186
r_symmetry_vdw_refined	0.143
r_xyhbond_nbd_refined	0.129
r_symmetry_hbond_refined	0.117
r_chiral_restr	0.076
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4069
Nucleic Acid Atoms
Solvent Atoms	469
Heterogen Atoms	54

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing