1OOW

The crystal structure of the spinach plastocyanin double mutant G8D/L12E gives insight into its low reactivity towards photosystem 1 and cytochrome f

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	300	32% PEG 3350, 0.25M MgCl2, 0.1M Na-ascorbate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.761	α = 90
b = 74.761	β = 90
c = 31.383	γ = 120

Symmetry
Space Group	P 31 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	100	CCD	MARRESEARCH		2001-05-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	0.991	MAX II	I711

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	19.28	91	0.079	21.88	10.8	6938	6400	-3	2	26.7

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)
	2	2.1	91.6		0.298	7.06	7.6	860

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1AG6	2	19.28	-3	6244	6244	692	99.34	0.1881	0.1881	0.18322	0.23232	RANDOM	21.337

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]
-1.23	-0.62		-1.23		1.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.994
r_scangle_it	4.694
r_scbond_it	2.824
r_mcangle_it	2.017
r_angle_refined_deg	1.693
r_mcbond_it	1.158
r_angle_other_deg	0.786
r_symmetry_vdw_refined	0.306
r_symmetry_vdw_other	0.289
r_nbd_other	0.245
r_nbd_refined	0.207
r_xyhbond_nbd_refined	0.187
r_symmetry_hbond_refined	0.133
r_nbtor_other	0.091
r_chiral_restr	0.088
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	738
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling