4EOE

Crystal structure of H74A synechocystis sp. pcya

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	1-1.25 M sodium citrate, 0.1-0.4 M NaCl in 0.1 M Tris HCl, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.571	α = 90
b = 95.194	β = 90
c = 42.726	γ = 90

Symmetry
Space Group	P 21 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 315		2010-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

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	1.2	39	93.1	0.05	0.029	14	3	88225	88225	-3	-3	12.12

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	1.2	1.21	67		0.305	0.305	2.4	2.8	4616

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.2	39	83812	4389	92.52	0.14993	0.14883	0.17084	RANDOM	7.862

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]
-0.88			0.9		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.647
r_dihedral_angle_4_deg	14.813
r_dihedral_angle_3_deg	11.413
r_dihedral_angle_1_deg	5.97
r_scangle_it	3.811
r_sphericity_bonded	2.875
r_scbond_it	2.53
r_mcangle_it	1.825
r_angle_refined_deg	1.595
r_rigid_bond_restr	1.375
r_mcbond_other	1.216
r_mcbond_it	1.14
r_angle_other_deg	0.878
r_chiral_restr	0.082
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbd_refined

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1925
Nucleic Acid Atoms
Solvent Atoms	315
Heterogen Atoms	46

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling