Experiment: 33FE

X-RAY DIFFRACTION

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

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	289.15	Drop setup: 200 nl Protein + 200 nl Condition + 50 nl Seeding stock Protein: 7 mg/ml in 50 mM Tris-HCl, 300 mM NaCl, pH 7.5, premixed with 5x molar excess of Conduritol beta-epoxide (CBE) Condition: 0.2 M NaCl, 0.1 M MES, 45 % v/v Pentaerythritol propoxylate (5/4 PO/OH), pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
3.56	65.44

Symmetry
Space Group	P 31

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 EIGER X 4M		2026-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-3	0.96770	ESRF	MASSIF-3

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.74	53.13	92	0.068	0.991	4.1	2.2		70789

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.74	1.77			0.518	0.649	1.1

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.74	53.13	70785	3500	91.99	0.1535	0.1659	0.1802	0.1904	RANDOM	17.643

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]
0.55	0.27		0.55		-1.78

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3705
Nucleic Acid Atoms
Solvent Atoms	288
Heterogen Atoms	12

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

33FE | pdb_000033fe