Experiment: 8IA4

Crystal structure of Cas2 in complex with AcrVA5-peptide

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		280	15% PEG3350, 10% glycerol and 0.1M Tris (pH 6.4)

Crystal Properties
Matthews coefficient	Solvent content
1.86	33.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 26.592	α = 90
b = 76.391	β = 90
c = 88.445	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	CCD	MAR CCD 165 mm		2019-08-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE TPS 05A	1.0	NSRRC	TPS 05A

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	19.75	99	0.9	13.5	7.5		13960			18.69

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	2.1			0.911

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2	19.75	1.34	12757	960	99.35	0.1959	0.1925	0.2376	0.2448	20.73

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	13.3312
f_angle_d	0.9108
f_chiral_restr	0.0536
f_bond_d	0.0057
f_plane_restr	0.0056

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1568
Nucleic Acid Atoms
Solvent Atoms	199
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MoRDa	phasing