Experiment: 8UZ8

Crystal Structure of CiaD from Campylobacter jejuni (C-terminal fragment, Orthorhombic P form)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other	Other		Arcimboldo-generated search model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	291	Morpheus Fusion A2: 20% v/v Ethylene glycol; 10 % w/v PEG 8000, 0.04M Imidazole; 0.06M MES monohydrate (acid), pH 6.5, 0.02M 1,6-Hexanediol; 0.02M 1-Butanol, 0.02M 1,2-Propanediol; 0.02M 2-Propanol; 0.02M 1,4-Butanediol; 0.02M 1,3-Propanediol, 5 mM MnCl2, 5 mM CoCl2 , 5 mM NiCl2, 5 mM Zn(OAc)2 . CajeA.19923.a.LA1.PB00122 at 27 mg/mL. Plate: 13443 well A2, drop 1. Puck: PSL-1703, Cryo: Direct. Mass spectrometry indicated a truncated fragment of the full-length protein ~7,142 Da-7,161 Da. The electron density best fit residues approximately spanning Ser 106-Lys 165.

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.959	α = 90
b = 139.933	β = 90
c = 21.196	γ = 90

Symmetry
Space Group	P 21 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 XE 9M		2023-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 19-ID	0.9795	NSLS-II	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.45	46.96	99.9	0.09	0.098	0.04	0.998	11.8	6.1		5660

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	2.45	2.51		100	0.779	0.851	0.337	0.892		6.3

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	2.45	44.52	1.35	5613	274	99.7	0.2152	0.2133	0.2132	0.2473	0.2458

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	12.209
f_angle_d	0.752
f_chiral_restr	0.039
f_bond_d	0.006
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	962
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
Arcimboldo	phasing