1XB8 | pdb_00001xb8

Zn substituted form of D62C/K74C double mutant of Pseudomonas Aeruginosa Azurin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AZU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	0.2 M Ammonium Sulfate, 0.1 M Cacodylate, 30% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.14	α = 90
b = 50.038	β = 119.51
c = 57.722	γ = 90

Symmetry
Space Group	C 1 2 1

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	OXFORD ONYX CCD	Osmic mirror	2004-01-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION ENHANCE ULTRA	1.5418

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	2	50.25	99.8	0.072	17.2	4.04	18766	18766		-3.7	20.44295

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	2	2.15	99.4		0.25	3.06	4.03	3302

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1AZU	2	50.25	18145	18145	963	99.73	0.19428	0.19428	0.19208	0.2	0.23562	0.24	RANDOM	16.846

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]
-0.41		-0.16	0.91		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.708
r_dihedral_angle_3_deg	16.632
r_dihedral_angle_1_deg	6.991
r_dihedral_angle_4_deg	3.309
r_scangle_it	2.881
r_scbond_it	2.045
r_angle_refined_deg	1.611
r_mcangle_it	1.228
r_mcbond_it	1.045
r_angle_other_deg	0.863
r_symmetry_hbond_refined	0.235
r_nbd_refined	0.201
r_mcbond_other	0.194
r_nbd_other	0.19
r_nbtor_refined	0.179
r_symmetry_vdw_other	0.176
r_xyhbond_nbd_refined	0.161
r_symmetry_vdw_refined	0.127
r_chiral_restr	0.108
r_nbtor_other	0.091
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1913
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling