2J96

The E-configuration of alfa-Phycoerythrocyanin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	291	1.2 M KPI PH 7.0,0.2 M MGSO4 AT 18 DEG C ILLUMINATION BY 587 NM CRYSTALLIZATION IN THE DARK

Crystal Properties
Matthews coefficient	Solvent content
3.03	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.808	α = 90
b = 102.598	β = 94.48
c = 32.146	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	120	CCD	MARRESEARCH		2005-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	2.25	50	93.3	0.09	7.6	2.9		53396		2	18.4

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	2.25	2.37	93.3		0.03	2.3	2.3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2C7L	2.25	50	2	17895	898	91.9	0.235	0.235	0.3086	RANDOM	35.3

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]
5.815		1.749	-18.144		12.329

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21
c_scangle_it	2.95
c_mcangle_it	2.67
c_improper_angle_d	2.14
c_scbond_it	2.01
c_angle_deg	1.68283
c_mcbond_it	1.58
c_bond_d	0.01483
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2478
Nucleic Acid Atoms
Solvent Atoms	326
Heterogen Atoms	86

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
BEAST	phasing