1YKW

Crystal Structure of a Novel RuBisCO-Like Protein from the Green Sulfur Bacterium Chlorobium tepidum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.9	293	PEG 3350, magnesium formate , pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.348	α = 90
b = 78.451	β = 99.95
c = 90.369	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		2003-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.1271	ALS	8.2.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2	90	97.5	0.129	7.7	3.1	60951	60951

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	84.7		0.397	2	2	5253

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 5RUB	2	87.71	57608	57608	2956	97.91	0.20329	0.20329	0.20114	0.24539	RANDOM	28.441

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]
-2.18		0.67	-0.74		3.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.166
r_dihedral_angle_4_deg	17.645
r_dihedral_angle_3_deg	17.018
r_dihedral_angle_1_deg	6.703
r_scangle_it	3.82
r_scbond_it	2.46
r_angle_refined_deg	1.626
r_mcangle_it	1.598
r_mcbond_it	1.018
r_nbtor_refined	0.305
r_nbd_refined	0.2
r_xyhbond_nbd_refined	0.166
r_symmetry_vdw_refined	0.155
r_symmetry_hbond_refined	0.151
r_chiral_restr	0.117
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
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_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	6398
Nucleic Acid Atoms
Solvent Atoms	317
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing