3CSX

Structural characterization of a protein in the DUF683 family- crystal structure of cce_0567 from the cyanobacterium Cyanothece 51142.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	295	2 uL Protein (~2 mg/mL protein in 500 mM NaCl, 20 mM TrisHCl, 1.0 mM DTT, pH 7.2) plus 2 uL Precipatant (30% w/v PEG 1500, 1 mM NiCl2)., VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.436	α = 90
b = 38.381	β = 96.7
c = 62.643	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315		2007-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.97935	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.84	30	92			11230	11230	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.84	1.92	52

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.84	29.24	2	11230	10674	552	100	0.2214	0.21994	0.21618	0.29387	RANDOM	28.145

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]
0.04			0.04		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.195
r_dihedral_angle_3_deg	16.686
r_dihedral_angle_4_deg	10.866
r_dihedral_angle_1_deg	5.293
r_scangle_it	4.613
r_scbond_it	2.911
r_mcangle_it	1.63
r_angle_refined_deg	1.506
r_mcbond_it	1.032
r_nbtor_refined	0.307
r_metal_ion_refined	0.287
r_symmetry_vdw_refined	0.254
r_nbd_refined	0.234
r_xyhbond_nbd_refined	0.133
r_symmetry_hbond_refined	0.132
r_chiral_restr	0.109
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1083
Nucleic Acid Atoms
Solvent Atoms	96
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SHELXS	phasing