2ISA

Crystal Structure of Vibrio salmonicida catalase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	2.0M Ammonium sulphate, 2% PEG400, 100mM Na-Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.15	α = 90
b = 217.76	β = 110.48
c = 99.28	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2005-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM1A	0.874	ESRF	BM1A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.96	20.089		0.111	0.111	6	2.6	700270	267579			16.8

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	1.96	2.06			0.361	2	2.5	267579

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 1m85 mutated to fit the Vibrio salmonicida catalase sequence	1.97	20	267579	252769	13408	96.5	0.15082	0.14818	0.20034	RANDOM	14.011

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]
-1.17		-0.32	0.74		0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.574
r_dihedral_angle_4_deg	16.542
r_dihedral_angle_3_deg	14.215
r_dihedral_angle_1_deg	6.093
r_scangle_it	2.035
r_scbond_it	1.383
r_angle_refined_deg	1.268
r_mcangle_it	0.792
r_mcbond_it	0.488
r_nbtor_refined	0.303
r_symmetry_vdw_refined	0.195
r_nbd_refined	0.193
r_symmetry_hbond_refined	0.162
r_xyhbond_nbd_refined	0.14
r_metal_ion_refined	0.1
r_chiral_restr	0.096
r_bond_refined_d	0.01
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	30920
Nucleic Acid Atoms
Solvent Atoms	4594
Heterogen Atoms	396

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
XDS	data reduction
CCP4	data scaling
PHASER	phasing