8s5a

The crystal structure of FAN1 Nuclease bound to 5' phosphorylated p(dG)/3'(dT-dT-dT-dT) double flap DNA

Method: X-RAY DIFFRACTION Dmax: 93.5 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Fanconi-associated nuclease 1

Homo sapiens

UniProt Q9Y2M0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Monomer Protein × 1 DNA 3 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 364–1017 Not recorded ;DNA (5'-D(*AP*AP*CP*AP*CP*GP*CP*CP*TP*AP*GP*AP*CP*TP*CP*CP*TP*CP*A)-3') ; × 1 ;DNA (5'-D(P*GP*AP*GP*GP*CP*GP*TP*G)-3') ; × 1 ;DNA (5'-D(*TP*TP*TP*GP*AP*GP*GP*AP*GP*TP*CP*TP*T)-3') ; × 1 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.1 M Hepes/MOPS pH: 7.25, 0.1M Sodium formate 0.1M Ammonium acetate 0.1M Sodium citrate tribasic dihydrate 0.1M Potassium sodium tartrate tetrahydrate 0.1M Sodium oxamate 21% v/v Ethylene glycol 21 % w/v PEG 8000 Resolution 2.65 Å R-free 0.273

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

17 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FAN1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 10–654; UniProt 364–1017

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8s5a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8s5a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8s5a
Deposition date deposition_date2024-02-23
Structure title titleThe crystal structure of FAN1 Nuclease bound to 5' phosphorylated p(dG)/3'(dT-dT-dT-dT) double flap DNA
Keywords keywordsnuclease FAN1, DNA; DNA
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier29.43
Radius of gyration Rg (electron density) rg_electron29.14
Forward intensity I(0) i0122779000.00
Molecular weight molecular_weight80353.0 kDa
Excluded volume excluded_volume97564 ų
Envelope volume envelope_volume131350 ų
Hydration-shell volume shell_volume37884 ų
Envelope diameter envelope_diameter98.8
Shell Rg shell_rg36.24
Envelope Rg envelope_rg28.69
Shape Rg shape_rg29.14
Total Rg total_rg29.77
Total atoms total_atoms5604
Residues n_residues632
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax93.5
Rg (real space) rg_real29.34
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real1.2280e+08
I(0) uncertainty (real space) i0_real_error1.5780e+06
Rg (reciprocal space) rg_reciprocal29.38
I(0) (reciprocal space) i0_reciprocal122800000.0000
Solution quality estimate total_estimate0.8953
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.1
Skewness Skewness skewness0.244
Kurtosis Kurtosis kurtosis-0.337
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18620000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.906; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.923

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)