1ETJ

AZURIN MUTANT WITH MET 121 REPLACED BY GLU

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		WILD TYPE AZURIN MONOMER

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6		THE BLUISH WELL-FORMED PRISMATIC CRYSTALS OF THE TITLE PROTEIN WERE OBTAINED BY THE VAPOR-DIFFUSION HANGING-DROP TECHNIQUE FROM A SOLUTION CONTAINING 25% PEG4000, 0.24M CALCIUM DICHLORIDE AND 0.26M LITHIUM NITRATE BUFFER AT PH 6.0 AND AT THE TEMPERATURE OF 24 - 25 CENTIGRADE IN AROUND 10 DAYS., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.25	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.58	α = 90
b = 60.94	β = 90.1
c = 81.6	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	277	DIFFRACTOMETER	ENRAF-NONIUS FAST			M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.3	8	75.7	0.115	0.115		2.77		17964		2

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	WILD TYPE AZURIN MONOMER	2.3				0.184	0.184

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	3.18
x_bond_d	0.013
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	3900
Nucleic Acid Atoms
Solvent Atoms	308
Heterogen Atoms	4

Software

Software
Software Name	Purpose
MADNES	data collection
X-PLOR	refinement
X-PLOR	model building
MADNES	data reduction
X-PLOR	phasing