1NWO

CRYSTALLOGRAPHIC STUDY OF AZURIN FROM PSEUDOMONAS PUTIDA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	HANGING DROP METHOD AT 4 C BY MIXING 5 MICRLITER PROTEIN AT 10- 15MG PER ML WITH 5 MICROLITER 30-36% PEG8000 SOLUTION CONTAINING 5MM TRIS-HCL BUFFER, PH 6.5-7.5 AND 100MM NACL., vapor diffusion - hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.25	α = 90
b = 50.65	β = 107.79
c = 54.6	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	298	AREA DETECTOR	XUONG-HAMLIN MULTIWIRE	CU KA RADIATION	1990-09-26	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)	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	1.92	20	92.5	0.048	11.7	3.5		16127			20.5

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)
	1.92	2.06	60		0.193	2.5	1.6

Refinement

Statistics
Diffraction ID	Structure Solution 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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	AZURIN FROM ALCALIGENES DENITRIFICANS (PDB ENTRY 2AZA)	1.92	8	2	15329		92.9	0.169	0.169	0.257	25.9

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	27.2
x_scbond_it	2.66
x_improper_angle_d	1.73
x_mcbond_it	1.36
x_angle_deg	1.02
x_bond_d	0.007
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
x_mcangle_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1918
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	2

Software

Software
Software Name	Purpose
SOFTWARE	data collection
SAME	data reduction
X-PLOR	model building
X-PLOR	refinement
HAMLIN	data reduction
HAMLIN	data scaling
X-PLOR	phasing