3MPC

The crystal structure of a Fn3-like protein from Clostridium thermocellum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	1.6 M ammonium sulphate, 0.1 M MES monohydrate, 10% v/v 1,4-dioxane, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.428	α = 90
b = 45.731	β = 90
c = 107.715	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	Bruker Platinum 135	Helios	2008-09-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

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	1.6	53.86	96.8	0.043	24.87	5.12	23168	23168

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	1.6	1.65	94.8		0.1407	7.16	2.36	1580

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	1.6	25	21257	21257	1150	93.85	0.16743	0.16743	0.16582	0.19624	RANDOM	9.366

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]
0.17			0.26		-0.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.994
r_dihedral_angle_4_deg	24.949
r_dihedral_angle_3_deg	13.387
r_dihedral_angle_1_deg	8.095
r_scangle_it	4.518
r_scbond_it	2.938
r_mcangle_it	2.5
r_angle_refined_deg	1.98
r_mcbond_it	1.585
r_angle_other_deg	1.015
r_mcbond_other	0.587
r_chiral_restr	0.131
r_bond_refined_d	0.023
r_gen_planes_refined	0.013
r_gen_planes_other	0.002
r_bond_other_d	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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1404
Nucleic Acid Atoms
Solvent Atoms	217
Heterogen Atoms	5

Software

Software
Software Name	Purpose
PROTEUM PLUS	data collection
SHELXS	phasing
REFMAC	refinement
SAINT	data reduction
PROTEUM PLUS	data scaling