7NWQ

A carbohydrate binding module family 9 (CBM9) from Caldicellulosiruptor kristjanssonii in complex with cellotriose

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1I8U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	293	0.1 M phosphate-citrate and 40% polyethylene glycol 300

Crystal Properties
Matthews coefficient	Solvent content
4.8	74.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 172.49	α = 90
b = 172.49	β = 90
c = 172.49	γ = 90

Symmetry
Space Group	I 4 3 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		2019-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	1.000000	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.23	70.52	99.6	1	26.89	71.8		21538

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.23	2.29			0.449

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1i8u	2.231	70.518	21528	2000	99.657	0.189	0.1853	0.2258	41.91

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.84
r_dihedral_angle_4_deg	21.05
r_dihedral_angle_3_deg	16.036
r_lrange_it	12.424
r_dihedral_angle_1_deg	7.996
r_scangle_it	7.897
r_mcangle_it	6.135
r_scbond_it	5.826
r_mcbond_it	4.11
r_angle_refined_deg	1.734
r_nbtor_refined	0.315
r_symmetry_nbd_refined	0.277
r_nbd_refined	0.233
r_symmetry_xyhbond_nbd_refined	0.221
r_xyhbond_nbd_refined	0.154
r_metal_ion_refined	0.12
r_chiral_restr	0.111
r_bond_refined_d	0.01
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1575
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	158

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	phasing