SMTL ID : 8xak.2 (1 other biounit)

Structure of Pif1-G4 complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.50 Å

Oligo State

monomer

Ligands

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 16 residues within 4Å: Chain A: C.1, L.2, S.3, Q.6, G.26, T.27, G.28, K.29, S.30, I.31, F.181, R.182, R.184, T.476 Ligands: ALF.2, MG.3 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:S.3, A:Q.6, A:Q.6, A:G.26, A:T.27, A:T.27, A:G.28, A:K.29, A:S.30, A:I.31, A:T.476, A:T.476 Salt bridges: A:K.29, A:R.182, A:R.182 pi-Stacking: A:F.181, A:F.181

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 10 residues within 4Å: Chain A: S.24, A.25, G.26, E.107, Q.146, R.182, G.474, R.499 Ligands: ADP.1, MG.3 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: S.30, D.106 Ligands: ADP.1, ALF.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.30

3 x K: POTASSIUM ION(Non-functional Binders)

K.4: 9 residues within 4Å: Chain B: G.23, G.24, G.26, G.27, G.29, G.30, G.32, G.33 Ligands: K.5 No protein-ligand interaction detected (PLIP) K.5: 10 residues within 4Å: Chain B: G.9, G.12, G.15, G.21, G.23, G.26, G.29, G.32 Ligands: K.4, K.6 No protein-ligand interaction detected (PLIP) K.6: 8 residues within 4Å: Chain B: G.8, G.11, G.12, G.14, G.15, G.18, G.21 Ligands: K.5 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hong, Z. et al., Eukaryotic Pif1 helicase unwinds G-quadruplex and dsDNA using a conserved wedge. Nat Commun (2024)

Release Date

2024-07-31

Peptides

ATP-dependent DNA helicase PIF1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

ATP-dependent DNA helicase PIF1

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