2UX6

Pseudoazurin with engineered amicyanin ligand loop, oxidized form, pH 7.5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		HANGING DROP VAPOR DIFFUSION METHOD, MIXING 1MICRO-L OF PROTEIN (20 MG/ML IN 50 MM TRIS/HCL, PH 7.5 PLUS 30 MM NACL) WITH 1 MICRO-L RESERVOIR SOLUTION (10 MM TRIS/HCL, PH 7.5 PLUS 2 M AMMONIUM SULFATE PLUS 2 M NACL).

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.627	α = 90
b = 105.626	β = 90
c = 57.925	γ = 120

Symmetry
Space Group	H 3 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	MIRRORS	2006-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6		MPG/DESY, HAMBURG	BW6

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	1.3	50	94.5	0.06	14.3	3.6		28824

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	1.3	1.35	71.4		0.29	3.1	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1BQK	1.3	20	27344	1467	94.5	0.195	0.193	0.226	RANDOM	26.14

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]
-1.19	-0.59		-1.19		1.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.99
r_dihedral_angle_3_deg	13.73
r_dihedral_angle_4_deg	10.573
r_dihedral_angle_1_deg	6.159
r_scangle_it	2.51
r_scbond_it	1.736
r_angle_refined_deg	1.22
r_mcangle_it	0.979
r_mcbond_it	0.647
r_symmetry_hbond_refined	0.348
r_nbtor_refined	0.303
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.203
r_xyhbond_nbd_refined	0.136
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	903
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing