3q8l

X-ray diffraction
2.32Å resolution

Crystal Structure of Human Flap Endonuclease FEN1 (WT) in complex with substrate 5'-flap DNA, SM3+, and K+

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-116747 (preferred)
Entry contents:
1 distinct polypeptide molecule
3 distinct DNA molecules
Macromolecules (4 distinct):
Flap endonuclease 1 Chain: A
Molecule details ›
Chain: A
Length: 341 amino acids
Theoretical weight: 38.51 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P39748 (Residues: 2-336; Coverage: 88%)
Gene names: FEN1, RAD2
Sequence domains:
Structure domains:
DNA (5'-D(*AP*CP*TP*CP*TP*GP*CP*CP*TP*CP*AP*AP*GP*AP*CP*GP*GP*T)-3') Chain: D
Molecule details ›
Chain: D
Length: 18 nucleotides
Theoretical weight: 5.48 KDa
Source organism: Homo sapiens
Expression system: Not provided
DNA (5'-D(*TP*TP*GP*AP*GP*GP*CP*AP*GP*AP*GP*T)-3') Chain: E
Molecule details ›
Chain: E
Length: 12 nucleotides
Theoretical weight: 3.74 KDa
Source organism: Homo sapiens
Expression system: Not provided
DNA (5'-D(*AP*CP*CP*GP*TP*CP*C)-3') Chain: F
Molecule details ›
Chain: F
Length: 7 nucleotides
Theoretical weight: 2.06 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 12.3.1
Spacegroup: P3121
Unit cell:
a: 105.14Å b: 105.14Å c: 104.05Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.163 0.161 0.202
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided