SMTL ID : 7otj.2 (1 other biounit)

Crystal structure of Pif1 helicase from Candida albicans

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.58 Å

Oligo State

monomer

Ligands

1 x DT- DT- DT- DT- DT- DT: DNA (5'-D(P*TP*TP*TP*TP*TP*T)-3')(Non-covalent)

DT-DT-DT-DT-DT-DT.1: 18 residues within 4Å: Chain A: S.55, T.56, G.57, T.67, H.69, S.70, G.75, L.76, V.151, A.238, T.239, R.240, N.280, T.428, S.451, H.453, K.454, F.471 Protein-ligand interaction information (PLIP) not available

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

ADP.2: 18 residues within 4Å: Chain A: I.2, I.3, L.4, S.5, Q.8, S.26, A.27, G.28, T.29, G.30, K.31, S.32, V.33, F.190, R.191, T.459 Ligands: ALF.3, MG.4 21 PLIP interactions: 21 interactions with chain A Hydrogen bonds: A:S.5, A:Q.8, A:Q.8, A:G.28, A:T.29, A:T.29, A:G.30, A:K.31, A:S.32, A:V.33, A:G.457, A:T.459, A:T.459 Water bridges: A:S.32, A:S.32, A:S.32 Salt bridges: A:K.31, A:R.191, A:R.191 pi-Stacking: A:F.190, A:F.190

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.3: 10 residues within 4Å: Chain A: A.27, G.28, K.31, E.108, Q.147, R.191, G.457, R.482 Ligands: ADP.2, MG.4 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain A: S.32, E.108 Ligands: ADP.2, ALF.3 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:S.32, H2O.1, H2O.1, H2O.2

3 x K: POTASSIUM ION(Non-covalent)

K.5: 1 residues within 4Å: Chain A: E.229 No protein-ligand interaction detected (PLIP) K.6: 1 residues within 4Å: Chain A: V.52 No protein-ligand interaction detected (PLIP) K.7: 3 residues within 4Å: Chain A: K.40, R.43, D.44 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.44

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.8: 4 residues within 4Å: Chain A: K.399, Y.403, P.423, F.442 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.403 Salt bridges: A:K.399

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lu, K.Y. et al., Structural study of the function of Candida Albicans Pif1. Biochem.Biophys.Res.Commun. (2021)

Release Date

2021-07-07

Peptides

ATP-dependent DNA helicase PIF1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

ATP-dependent DNA helicase PIF1

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