1XB3

The D62C/K74C double mutant of Pseudomonas Aeruginosa Azurin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	293	20-23% PEG 3350, 0.25M MgCl2, 0.1M Sodium Acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2	37.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.412	α = 90
b = 87.338	β = 90
c = 31.366	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH		2003-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	0.996	MAX II	I711

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	1.5	59.76	95.5	0.043	24.53	7	36530	35091		-3	21

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)
	1.5	1.55	90.5		0.173	10.1	7	3663

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4AZU	1.501	59.76	2	34706	1823	99.63	0.17185	0.17185	0.1697	0.21423	RANDOM	15.366

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]
0.13			-0.61		0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.723
r_dihedral_angle_3_deg	12.652
r_sphericity_free	8.396
r_dihedral_angle_4_deg	7.313
r_dihedral_angle_1_deg	6.611
r_scangle_it	3.995
r_sphericity_bonded	3.824
r_scbond_it	2.971
r_mcangle_it	2.108
r_mcbond_it	1.704
r_rigid_bond_restr	1.626
r_angle_refined_deg	1.483
r_angle_other_deg	0.805
r_mcbond_other	0.663
r_symmetry_vdw_refined	0.316
r_symmetry_vdw_other	0.274
r_nbd_refined	0.203
r_nbd_other	0.178
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.167
r_xyhbond_nbd_refined	0.162
r_chiral_restr	0.092
r_nbtor_other	0.086
r_bond_refined_d	0.015
r_metal_ion_refined	0.011
r_gen_planes_refined	0.006
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1943
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	2

Software

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