4WI0

Crystal structure of Coh3ScaB-XDoc_M2ScaA complex: A C-terminal interface mutant of type II Cohesin-X-Dockerin complex from Acetivibrio cellulolyticus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	292	25% PEG 3350, 0.1 M Bis_tris pH 5.5, 0.2 M MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.54	α = 90
b = 88.3	β = 90
c = 92.02	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		2013-02-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.97620	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	1.93	92.02	90.8	0.136	5	3.3		29281

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.93	1.98	92.3		0.497	0.304	0.561	2	3.1	1455

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	2b59	1.93	63.71	21766	1123	89.41	0.1992	0.1968	0.2412	RANDOM	23.779

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]
-1.69			0.38		1.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.518
r_dihedral_angle_3_deg	11.544
r_dihedral_angle_4_deg	9.704
r_dihedral_angle_1_deg	6.383
r_mcangle_it	1.232
r_angle_refined_deg	1.096
r_mcbond_it	0.728
r_mcbond_other	0.727
r_angle_other_deg	0.707
r_chiral_restr	0.068

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.518
r_dihedral_angle_3_deg	11.544
r_dihedral_angle_4_deg	9.704
r_dihedral_angle_1_deg	6.383
r_mcangle_it	1.232
r_angle_refined_deg	1.096
r_mcbond_it	0.728
r_mcbond_other	0.727
r_angle_other_deg	0.707
r_chiral_restr	0.068
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2447
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
MOSFLM	data reduction
BALBES	phasing
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.