1VLX | pdb_00001vlx

STRUCTURE OF ELECTRON TRANSFER (COBALT-PROTEIN)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Wild-type beta toxin from Staphylococcus aureus

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.7		THE BLUISH WELL-FORMED PRISMATIC CRYSTALS OF THE TITLE PROTEIN WERE OBTAINED BY THE VAPOR-DIFFUSION HANGING-DROP TECHNIQUE FROM A SOLUTION CONTAINING 3.6M AMMONIUM SULFATE, 0.5M LITHIUM NITRATE AND 0.1M ACETATE BUFFER AT PH 5.7 AND AT THE TEMPERATURE OF 24 - 25 CENTIGRADE IN AROUND 10 DAYS., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.4	α = 90
b = 80.4	β = 90
c = 110.3	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	293	AREA DETECTOR	SIEMENS		1994-11-17	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OTHER

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	1.9	8	79.7	0.085	0.085		1.84		31366		2

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)
	1.899	1.967			0.448	0.448	1.72

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	ISOMORPHOUS REPLACEMENT	WILD-TYPE AZURIN	1.9				0.175	0.175

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_angle_deg	1.88
x_bond_d	0.014
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
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3896
Nucleic Acid Atoms
Solvent Atoms	373
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SAINT	data scaling
X-PLOR	refinement
X-PLOR	model building
SAINT	data reduction
X-PLOR	phasing