2Q5B

High resolution structure of Plastocyanin from Phormidium laminosum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	277	0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.329	α = 90
b = 84.329	β = 90
c = 90.536	γ = 90

Symmetry
Space Group	P 43 21 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	ADSC QUANTUM 210		2006-04-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.0	ALS	8.2.1

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	1.45	42.11	99.6	0.071	25.4	9.6	57906	57906			16.8

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	1.45	1.5	96		0.626	2	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	1BAW	1.45	9.99	54607	2920	99.37	0.19075	0.18972	0.21017	RANDOM	17.719

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]
-0.3			-0.3		0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.231
r_dihedral_angle_4_deg	18.742
r_dihedral_angle_3_deg	11.502
r_dihedral_angle_1_deg	5.974
r_scangle_it	3.124
r_sphericity_free	2.739
r_scbond_it	2.207
r_sphericity_bonded	2.138
r_rigid_bond_restr	1.723
r_mcangle_it	1.486
r_angle_refined_deg	1.285
r_mcbond_it	0.867
r_symmetry_hbond_refined	0.775
r_nbtor_refined	0.31
r_nbd_refined	0.262
r_xyhbond_nbd_refined	0.235
r_symmetry_vdw_refined	0.211
r_chiral_restr	0.085
r_metal_ion_refined	0.06
r_symmetry_metal_ion_refined	0.044
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2415
Nucleic Acid Atoms
Solvent Atoms	268
Heterogen Atoms	16

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing