1YBX

Conserved hypothetical protein Cth-383 from Clostridium thermocellum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	modified microbatch		291	20% w/v PEG 3350, 0.2M trilithium citrate, modified microbatch, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
	27.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.914	α = 90
b = 36.792	β = 111.93
c = 61.824	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	MARMOSAIC 300 mm CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.9793	APS	22-ID

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	1.71	50	73.3	0.063				16740

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	1.71	1.77	12.1		0.396

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAS	THROUGHOUT	1.8	30.964	16267	840	100	0.226	0.22621	0.2246	0.2564	thin shells	28.263

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]
-0.354		-0.413	1.125		-1.079

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.552
r_dihedral_angle_4_deg	20.756
r_dihedral_angle_3_deg	14.506
r_scangle_it	5.031
r_dihedral_angle_1_deg	4.746
r_scbond_it	3.164
r_scangle_other	1.878
r_mcangle_it	1.459
r_angle_refined_deg	1.455
r_mcbond_it	1.299
r_angle_other_deg	0.842
r_scbond_other	0.645
r_mcangle_other	0.638
r_mcbond_other	0.295
r_symmetry_vdw_other	0.272
r_nbd_refined	0.21
r_nbd_other	0.165
r_nbtor_refined	0.152
r_xyhbond_nbd_refined	0.142
r_symmetry_hbond_refined	0.141
r_symmetry_vdw_refined	0.139
r_chiral_restr	0.09
r_nbtor_other	0.082
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1337
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
ISAS	phasing
ARP/wARP	model building