4S1A

Crystal structure of a hypothetical protein Cthe_0052 from Ruminiclostridium thermocellum ATCC 27405

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2M Na Citrate, 20% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.539	α = 90
b = 65.483	β = 90
c = 113.021	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 225 mm CCD	beryllium lenses	2014-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	1.75	30	100	0.085	32.4	7.3	44613	44613		-3

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	1.75	1.78	100		0.789	2.8	7.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	1.75	30	42391	42391	2155	99.9	0.161	0.15913	0.19775	RANDOM	26.861

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]
1.39			-2.35		0.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.95
r_dihedral_angle_4_deg	15.81
r_dihedral_angle_3_deg	11.47
r_long_range_B_refined	7.461
r_long_range_B_other	7.46
r_dihedral_angle_1_deg	6.18
r_scangle_other	3.707
r_scbond_it	2.447
r_scbond_other	2.419
r_mcangle_it	2.29
r_mcangle_other	2.289
r_angle_refined_deg	1.645
r_mcbond_it	1.481
r_mcbond_other	1.481
r_angle_other_deg	0.84
r_chiral_restr	0.107
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3074
Nucleic Acid Atoms
Solvent Atoms	458
Heterogen Atoms	30

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing