4DP0

The 1.5 Angstrom crystal structure of oxidized (CuII) poplar plastocyanin B at pH 4.0

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	277	2.6 M ammonium sulfate, 0.1 M sodium acetate buffer, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.913	α = 90
b = 46.246	β = 90
c = 52.648	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	2002-03-04	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	1.5	34.75	96.5	0.078	15.9	2.5	12884	12433		2	13.11

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	1.5	1.53	95.1		0.465	2.1	2.4	634

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	1.5	34.75	12425	11814	602	95.08	0.15325	0.15002	0.21657	RANDOM	14.47

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]
-0.53			0.21		0.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.347
r_dihedral_angle_3_deg	13.047
r_dihedral_angle_1_deg	6.95
r_scangle_it	5.566
r_scbond_it	3.766
r_angle_refined_deg	2.423
r_mcangle_it	2.257
r_mcbond_it	1.673
r_nbtor_refined	0.314
r_symmetry_hbond_refined	0.235
r_nbd_refined	0.232
r_xyhbond_nbd_refined	0.229
r_symmetry_vdw_refined	0.225
r_chiral_restr	0.184
r_bond_refined_d	0.029
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_refined
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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	737
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms	12

Software

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