4DPC

The 1.06 Angstrom crystal structure of reduced (CuI) poplar plastocyanin A at pH 8.0

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	277	2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.83	32.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.012	α = 90
b = 46.354	β = 90
c = 57.091	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 165 mm	MIRRORS	2002-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

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	1.06	15.99	99	0.052	24.2	2.8	35252	34899		2	10.57

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	1.06	1.08	99.1		0.325	2.1	2.7	1716

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 1PLC	1.06	15.99	33683	33127	1747	98.35	0.13796	0.13706	0.15547	RANDOM	16.745

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]
0.06			-0.03		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.324
r_sphericity_free	17.137
r_dihedral_angle_3_deg	12.413
r_sphericity_bonded	9.123
r_scangle_it	8.072
r_dihedral_angle_1_deg	6.827
r_scbond_it	5.747
r_mcangle_it	4.096
r_rigid_bond_restr	3.455
r_mcbond_it	3.114
r_angle_refined_deg	2.728
r_nbd_refined	0.55
r_xyhbond_nbd_refined	0.385
r_nbtor_refined	0.361
r_symmetry_hbond_refined	0.32
r_symmetry_vdw_refined	0.185
r_chiral_restr	0.171
r_metal_ion_refined	0.053
r_bond_refined_d	0.028
r_gen_planes_refined	0.013
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	738
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	1

Software

Software
Software Name	Purpose
MAR345	data collection
MOLREP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling