5LXV

Crystal structure of Ruminococcus flavefaciens scaffoldin C cohesin in complex with a dockerin from an uncharacterized CBM-containing protein

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		292	0.1 M potassium thiocyanate, 30% w/v PEG 2000 MME

Crystal Properties
Matthews coefficient	Solvent content
1.92	36.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.59	α = 90
b = 66.73	β = 90
c = 109.6	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-F		2014-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.92	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.4	59.59	97.6	0.08	0.985	51.7	4		17195

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.5	99.3		0.321	0.936		4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	2CCL	2.4	57	16238	842	96.56	0.2188	0.2167	0.2598	RANDOM	35.648

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]
-1.2			0.45		0.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.957
r_dihedral_angle_4_deg	11.941
r_dihedral_angle_3_deg	10.524
r_dihedral_angle_1_deg	5.372
r_mcangle_it	1.426
r_angle_refined_deg	0.949
r_mcbond_it	0.815
r_mcbond_other	0.813
r_angle_other_deg	0.755
r_chiral_restr	0.056

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.957
r_dihedral_angle_4_deg	11.941
r_dihedral_angle_3_deg	10.524
r_dihedral_angle_1_deg	5.372
r_mcangle_it	1.426
r_angle_refined_deg	0.949
r_mcbond_it	0.815
r_mcbond_other	0.813
r_angle_other_deg	0.755
r_chiral_restr	0.056
r_bond_refined_d	0.005
r_bond_other_d	0.002
r_gen_planes_refined	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3538
Nucleic Acid Atoms
Solvent Atoms	112
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
iMOSFLM	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.