4BLC

THE STRUCTURE OF ORTHORHOMBIC CRYSTALS OF BEEF LIVER CATALASE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7CAT	PDB ENTRY 7CAT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5		VAPOR DIFFUSION AGAINST 10% N-PROPANOL, AND 0.1 M NA-PO4 BUFFER PH 6.2 TO 6.8 DROP SET UP 15 UL OF 40 MG/ML PROTEIN PLUS 5 UL 1% NACL PLUS 5 UL RESERVOIR., pH 6.5, vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.8	α = 90
b = 140.6	β = 90
c = 232.4	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	290	AREA DETECTOR	SDMS			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.2	100	88.5	0.115	0.115	10.2	4.7		128019			46.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.3	26.9		0.226	0.226	1.5	1.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 7CAT	2.3	20	2	111957	8992	87.5	0.205	0.205	0.273	RANDOM	47.8

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
x_dihedral_angle_d	27.4
x_scangle_it	2.566
x_mcangle_it	1.959
x_scbond_it	1.687
x_angle_deg	1.344
x_mcbond_it	1.164
x_improper_angle_d	0.96
x_bond_d	0.008
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16068
Nucleic Acid Atoms
Solvent Atoms	384
Heterogen Atoms	364

Software

Software
Software Name	Purpose
MERLOT	phasing
X-PLOR	refinement
SDMS	data reduction
SDMS	data scaling