7EQR

Crystal structure of Truncated (Delta 1-19) Chitoporin VhChiP from Vibrio harveyi in complex with chitohexaose

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5MDO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.8	292	10 mM GlcNAc6 , 0.125 M Lithium nitrate, 0.1 M Glycine pH 9.8, 45 % v/v PEG 400

Crystal Properties
Matthews coefficient	Solvent content
4.33	71.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58	α = 65.799
b = 131.226	β = 87.826
c = 136.586	γ = 86.897

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARMOSAIC 300 mm CCD	LN2-Cooled Fixed-Exit Double Crystal Si(111) Monochromator , A Pair of K-B Focusing Mirrors	2020-08-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE TPS 05A	0.9	NSRRC	TPS 05A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	2.7	20	100	0.169	0.138	0.188	0.081	0.75	37.7	5.1		98809			45

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.75			0.03	0.996

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	5MDO	2.75003171354	19.8910427457	1.96346217736	85897	4784	90.3627259147	0.182204428945	0.179783098027	0.222748080602	43.2929439915

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
f_dihedral_angle_d	15.291946525
f_angle_d	1.04170570672
f_chiral_restr	0.0539399728953
f_bond_d	0.00908216321593
f_plane_restr	0.005091397952

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15462
Nucleic Acid Atoms
Solvent Atoms	304
Heterogen Atoms	684

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	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 R01GM157729.