4QVS | pdb_00004qvs

2.1 Angstrom resolution crystal structure of S-layer domain-containing protein (residues 221-444) from Clostridium thermocellum ATCC 27405

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	295	protein: 9.35 mg/mL in 10 mM Tris-HCl pH 8.3, 500 mM NaCl, 5 mM BME, crystallization: The PEGs II Suite G11 (83): 0.5 M Lithium chloride, 0.1 M Tris pH 8.5. 28% (w/v) PEG 6000, cyo: well solution, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.958	α = 90
b = 74.813	β = 90
c = 98.398	γ = 90

Symmetry
Space Group	C 2 2 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	2014-06-04	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	2.1	30	99.1	0.079	43.56	7	14480	14480		-3	48.6

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	2.1	2.14	95.3		0.62	2.6	6.2	668

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	27.35	13697	13697	721	99.01	0.20994	0.20802	0.2122	0.24878	0.2475	RANDOM	61.661

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]
-5.6			-0.74		6.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.246
r_dihedral_angle_4_deg	14.1
r_dihedral_angle_3_deg	10.693
r_dihedral_angle_1_deg	4.326
r_angle_refined_deg	1.814
r_angle_other_deg	0.833
r_chiral_restr	0.109
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1673
Nucleic Acid Atoms
Solvent Atoms	44
Heterogen Atoms	2

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
REFMAC	refinement
xia2	data reduction
MOSFLM	data reduction
pointless	data scaling
Aimless	data scaling
xia2	data scaling
PHENIX	phasing