Experiment: 9QKP

Structure of the cyanobacteria specific PRK from Chroococcidiopsis (Hyella disjuncta) PCC 6712 (P41212 crystal form)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	289	0.1M Tris-HCl pH 8.0, 28% (w/v) PEG 5000 MME, 0.28 M lithium sulfate

Crystal Properties
Matthews coefficient	Solvent content
3.11	60.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.752	α = 90
b = 92.752	β = 90
c = 407.667	γ = 90

Symmetry
Space Group	P 41 21 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 EIGER2 S 16M		2023-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.95374	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	2.43	84.42	100	0.068	0.074	0.971	16.6	7		68603			74.15

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.43	2.47	99		2.004	2.162	0.802	0.396		7.1

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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.43	65.59	1.33	68352	2023	99.76	0.2335	0.2325	0.2412	0.2682	0.271	135.59

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	13.0831
f_angle_d	0.9109
f_chiral_restr	0.0529
f_plane_restr	0.0084
f_bond_d	0.0052

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9479
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	219

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
xia2	data scaling
PHASER	phasing