1E2W

N168F mutant of cytochrome f from Chlamydomonas reinhardtii

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.7		THE PROTEIN WAS BUFFERED IN 10 MM NA2HPO4/NAH2PO4, PH 7.5, 1 MM DTT, THE RESERVOIR CONTAINED 100 MM MES, PH 6.7, 200 MM AMMONIUM FORMATE, 14% GLYCEROL, 17% PEG-3350.

Crystal Properties
Matthews coefficient	Solvent content
2.62	52.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.03	α = 90
b = 81.18	β = 103.52
c = 61.08	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	CCD	CUSTOM-MADE	MIRROR	1999-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	1.6	27.84	99.6	0.046	0.046	28.6	3.8		73580			18.6

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	1.6	1.66	100		0.378	0.378	3.54	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	1E2V	1.6	27.41	71219	3704	96.3	0.197	0.197	0.226	RANDOM	26.1

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]
1.34		1.76	-0.58		-0.76

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.9
c_scangle_it	6.66
c_scbond_it	4.35
c_mcangle_it	3.77
c_mcbond_it	2.29
c_angle_deg	1.3
c_improper_angle_d	1
c_bond_d	0.005
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	3832
Nucleic Acid Atoms
Solvent Atoms	757
Heterogen Atoms	86

Software

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