2HR2

Crystal structure of a tpr-like protein (ct2138) from chlorobium tepidum tls at 2.54 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	7.5	277	25.0% Glycerol, 0.6M KH2PO4, 0.6M NaH2PO4, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.54	64.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.09	α = 90
b = 91.28	β = 90
c = 176.17	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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2006-06-17	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91837, 0.97936, 0.97920	SSRL	BL9-2

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	2.54	29.696	90.9	0.073	8.08	2.18		47660			57.6

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	2.54	2.63	80.6		0.563	1.8	2.15	7287

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	MAD	THROUGHOUT	2.54	29.696	47611	2415	98.87	0.205	0.204	0.232	RANDOM	58.893

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]
-2.19			0.88		1.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.423
r_dihedral_angle_3_deg	12.041
r_dihedral_angle_4_deg	11.606
r_scangle_it	3.8
r_scbond_it	2.673
r_dihedral_angle_1_deg	2.292
r_angle_refined_deg	1.171
r_mcangle_it	0.984
r_mcbond_it	0.888
r_angle_other_deg	0.857
r_mcbond_other	0.287
r_nbd_refined	0.203
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.152
r_symmetry_vdw_other	0.151
r_symmetry_vdw_refined	0.138
r_nbd_other	0.137
r_xyhbond_nbd_refined	0.132
r_nbtor_other	0.084
r_chiral_restr	0.074
r_bond_refined_d	0.009
r_xyhbond_nbd_other	0.004
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7055
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	81

Software

Software
Software Name	Purpose
MolProbity	model building
SHARP	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing