2UXF

Pseudoazurin with engineered amicyanin ligand loop, oxidized form, pH 5.5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5		HANGING DROP VAPOR DIFFUSION METHOD, 1 MICRO-L PROTEIN (20 MG/ML IN 100 MM MES, PH 5.5 PLUS 30 MM NACL) MIXED WITH 1 MICRO-L OF RESERVOIR SOLUTION (100 MM MES, PH 5.5 PLUS 2 M AMMONIUM SULFATE AND 2 M NACL)

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.572	α = 90
b = 105.572	β = 90
c = 57.286	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	IMAGE PLATE	MARRESEARCH	CONFOCAL MAXFLUX FROM OSMIC	2006-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	98.6	0.06	23.3	4.2		8274		2

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	2.07	94.4		0.19	6.3	3.5

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	2	30	7890	383	98.7	0.166	0.164	0.204	RANDOM	38.78

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]
-1.59	-0.8		-1.59		2.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.553
r_dihedral_angle_3_deg	14.833
r_dihedral_angle_4_deg	13.532
r_dihedral_angle_1_deg	6.427
r_scangle_it	4.04
r_scbond_it	2.598
r_angle_refined_deg	1.541
r_mcangle_it	1.541
r_mcbond_it	1.072
r_symmetry_hbond_refined	0.481
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.219
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.196
r_chiral_restr	0.113
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
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	83
Heterogen Atoms	8

Software

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