4U3S

Crystal structure of Coh3ScaB-XDoc_M1ScaA complex: A N-terminal interface mutant of type II Cohesin-X-Dockerin complex from Acetivibrio cellulolyticus

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2B59	2b59, 3l8q, 3fnk
experimental model	PDB	3L8Q	2b59, 3l8q, 3fnk
experimental model	PDB	3FNK	2b59, 3l8q, 3fnk

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.5	292	0.1 M CHES pH 9.5, 20% v/v PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.32	α = 90
b = 72.32	β = 90
c = 231.49	γ = 120

Symmetry
Space Group	P 65 2 2

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		2012-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97620	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.64	62.63	100	0.113	0.117	13.46	26.7		45113		-3	29.66

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.64	1.68	100		0.702	0.725	3.24

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, 3l8q, 3fnk	1.64	62.63	45002	2272	100	0.1726	0.1709	0.2061	RANDOM	27.367

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]
-0.16	-0.08		-0.16		0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.102
r_dihedral_angle_4_deg	11.618
r_dihedral_angle_3_deg	11.172
r_dihedral_angle_1_deg	6.395
r_mcangle_it	2.326
r_mcbond_it	1.588
r_mcbond_other	1.586
r_angle_refined_deg	1.371
r_angle_other_deg	0.755
r_chiral_restr	0.086

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.102
r_dihedral_angle_4_deg	11.618
r_dihedral_angle_3_deg	11.172
r_dihedral_angle_1_deg	6.395
r_mcangle_it	2.326
r_mcbond_it	1.588
r_mcbond_other	1.586
r_angle_refined_deg	1.371
r_angle_other_deg	0.755
r_chiral_restr	0.086
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2439
Nucleic Acid Atoms
Solvent Atoms	341
Heterogen Atoms	41

Software

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

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.