Experiment: 4P5S

Structure of reduced W45Y mutant of amicyanin

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AAC	Native amicyanin (1AAC)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	Initial crystals were obtained from Hampton research ammonium sulfate screen (HR2-211). Bigger crystals grown by macro-seeding using 3.2M Na/K phosphate solution.

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 27.165	α = 90
b = 56.646	β = 96.67
c = 28.663	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	PSI PILATUS 6M		2013-02-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.98	APS	24-ID-C

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	1.02	28	91.7	0.044	34.1	5.9		40243			6.85

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	1.02	1.06	76.1		0.136	11.8	5.1

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	Native amicyanin (1AAC)	1.02	28	1.45	40205	1985	91.6	0.135	0.134	0.1352	0.15	0.1525	10.5795

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	10.63
f_angle_d	1.854
f_chiral_restr	0.106
f_bond_d	0.014
f_plane_restr	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	805
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	1

Software

Software
Software Name	Purpose
HKL-2000	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction
PHENIX	refinement