6RRK Gene Regulation date May 20, 2019
title Crystal Structure Of The Central Region Of Human Cohesin Sub In Complex With Rad21 Peptide
authors J.A.Newman, V.L.Katis, F.Von Delft, C.H.Arrowsmith, A.Edwards, C. O.Gileadi
compound source
Molecule: Cohesin Subunit Sa-1
Chain: B, A
Synonym: Scc3 Homolog 1,Stromal Antigen 1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Stag1, Sa1, Scc3
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Double-Strand-Break Repair Protein Rad21 Homolog
Chain: C, D
Synonym: Hhr21,Nuclear Matrix Protein 1,Nxp-1,Scc1 Homolog
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 1 21 1
R_factor 0.219 R_Free 0.278
length a length b length c angle alpha angle beta angle gamma
74.333 86.290 118.585 90.00 95.36 90.00
method X-Ray Diffractionresolution 3.17 Å
D, C

Primary referenceSTAG1 vulnerabilities for exploiting cohesin synthetic lethality in STAG2-deficient cancers., van der Lelij P, Newman JA, Lieb S, Jude J, Katis V, Hoffmann T, Hinterndorfer M, Bader G, Kraut N, Pearson MA, Peters JM, Zuber J, Gileadi O, Petronczki M, Life Sci Alliance. 2020 May 28;3(7). pii: 3/7/e202000725. doi:, 10.26508/lsa.202000725. Print 2020 Jul. PMID:32467316
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (154 Kb) [Save to disk]
  • Biological Unit Coordinates (6rrk.pdb1.gz) 76 Kb
  • Biological Unit Coordinates (6rrk.pdb2.gz) 76 Kb
  • CSU: Contacts of Structural Units for 6RRK
  • Structure Factors (689 Kb)
  • Retrieve 6RRK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6RRK from S2C, [Save to disk]
  • View 6RRK 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 6RRK
  • 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 6rrk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6rrk_A] [6rrk_B] [6rrk_D] [6rrk_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6RRK
  • Community annotation for 6RRK at PDBWiki (http://pdbwiki.org)

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science