6HPQ Hydrolase date Sep 21, 2018
title Crystal Structure Of Human Pif1 Helicase In Complex With Amp Brominated Crystal Form.
authors V.M.Ledikov, S.Dehghani-Tafti, B.Bax, C.M.Sanders, A.A.Antson
compound source
Molecule: Atp-Dependent Dna Helicase Pif1
Chain: A, B
Synonym: Dna Repair And Recombination Helicase Pif1,Pif1rr Helicase-Like Protein;
Engineered: Yes
Other_details: Srm - Cloning Artefact Sr - Doesn'T Have Ele Density
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pif1, C15orf20
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet
symmetry Space Group: P 21 21 21
R_factor 0.224 R_Free 0.266
length a length b length c angle alpha angle beta angle gamma
73.250 76.820 142.540 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.43 Å
enzyme Hydrolase E.C. BRENDA
A, B

Primary referenceStructural and functional analysis of the nucleotide and DNA binding activities of the human PIF1 helicase., Dehghani-Tafti S, Levdikov V, Antson AA, Bax B, Sanders CM, Nucleic Acids Res. 2019 Jan 30. pii: 5304331. doi: 10.1093/nar/gkz028. PMID:30698796
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (326 Kb) [Save to disk]
  • Biological Unit Coordinates (6hpq.pdb1.gz) 319 Kb
  • CSU: Contacts of Structural Units for 6HPQ
  • Structure Factors (4051 Kb)
  • Retrieve 6HPQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6HPQ from S2C, [Save to disk]
  • View 6HPQ in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 6HPQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 6hpq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6hpq_B] [6hpq_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6HPQ
  • Community annotation for 6HPQ at PDBWiki (http://pdbwiki.org)

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