Experiment: 4B97

Biomass sensing modules from putative Rsgi-like proteins of Clostridium thermocellum resemble family 3 carbohydrate-binding module of cellulosome

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2WNX	PDB ENTRY 2WNX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		0.2 M AMMONIUM ACETATE, 0.1 M TRI-SODIUM CITRATE PH 5.6, 30 % (V/V) PEG 400

Crystal Properties
Matthews coefficient	Solvent content
1.84	33.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.479	α = 90
b = 56.043	β = 90
c = 64.594	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	PIXEL	DECTRIS PILATUS 6M	MIRRORS	2011-02-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	1.28	50	99.8	0.06	30.8	6.83		33242			14.71

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	1.28	1.3	96.7		0.45	2.3	5.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2WNX	1.276	42.331	1.11	33109	3155	99.15	0.1405	0.1397	0.1448	0.1564	0.1623	20.85

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]
0.2069	-0.0215	0.1005	0.4821	-0.1193	-0.4396

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.306
f_angle_d	1.502
f_chiral_restr	0.11
f_bond_d	0.012
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1218
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing