2FT7

Structure of Cu(I)azurin at pH 6, with the metal-binding loop sequence "CTFPGHSALM" replaced with "CTPHPM"

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	0.1MM MES, 20% PEG6000, 0.2M LiCl, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.87	34.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.957	α = 90
b = 51.957	β = 90
c = 75.41	γ = 90

Symmetry
Space Group	P 43 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		2005-10-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX10.1	1.075	SRS	PX10.1

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	1.4	42.8	99.6	0.06	0.06	24.9	9.5	29159	29159			14.9

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)
	1.4	1.48	100		0.324	0.324	6.7	8.6	2999

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Direct refinement using refined AZAMI-F Cu(II) structure	THROUGHOUT	1.4	42.8	20853	20853	1045	99.32	0.141	0.141	0.139	0.178	RANDOM	13.252

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]
-0.48			-0.48		0.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.869
r_dihedral_angle_4_deg	20.181
r_sphericity_free	11.519
r_dihedral_angle_3_deg	10.663
r_sphericity_bonded	6.973
r_dihedral_angle_1_deg	6.566
r_scangle_it	4.815
r_scbond_it	3.828
r_mcangle_it	2.849
r_mcbond_it	2.182
r_rigid_bond_restr	1.75
r_angle_refined_deg	1.707
r_mcbond_other	1.187
r_angle_other_deg	0.876
r_symmetry_vdw_refined	0.313
r_symmetry_vdw_other	0.288
r_nbd_refined	0.244
r_symmetry_hbond_refined	0.191
r_nbd_other	0.189
r_xyhbond_nbd_refined	0.185
r_nbtor_refined	0.175
r_chiral_restr	0.114
r_nbtor_other	0.09
r_bond_refined_d	0.018
r_metal_ion_refined	0.017
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	965
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction