4C5Y

Crystal structure of A. niger ochratoxinase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3BE7	PDB ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8
experimental model	PDB	3FEQ	PDB ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8
experimental model	PDB	2R8C	PDB ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8
experimental model	PDB	3MTW	PDB ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8
experimental model	PDB	2QS8	PDB ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		12% (W/V) PEG 3000, 0.1 M BICINE PH 9.0, 0.2 M TRI-POTASSIUM CITRATE

Crystal Properties
Matthews coefficient	Solvent content
3.56	65.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 183.24	α = 90
b = 183.24	β = 90
c = 78.98	γ = 90

Symmetry
Space Group	P 4 21 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	PIXEL	DECTRIS PILATUS 6M		2011-07-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	3	72.5	96.2	0.2	6.3	5.5		26324

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	3	3.16	97.2		0.75	2.2	5.7

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 ENTRIES 3BE7, 3FEQ, 2R8C, 3MTW, 2QS8	3	67.44	24926	1341	95.39	0.18999	0.18801	0.22583	RANDOM	59.349

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]
-1.55			-1.55		3.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.079
r_dihedral_angle_4_deg	17.746
r_dihedral_angle_3_deg	17.607
r_dihedral_angle_1_deg	6.223
r_long_range_B_refined	5.385
r_long_range_B_other	5.383
r_scangle_other	2.768
r_mcangle_it	2.529
r_mcangle_other	2.529
r_scbond_it	1.737
r_scbond_other	1.736
r_mcbond_it	1.515
r_mcbond_other	1.515
r_angle_refined_deg	1.438
r_angle_other_deg	0.992
r_chiral_restr	0.075
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.003
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6516
Nucleic Acid Atoms
Solvent Atoms	31
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing