4RJF Replication date Oct 09, 2014
title Crystal Structure Of The Human Sliding Clamp At 2.0 Angstrom Resolution
authors A.J.Kroker, J.B.Bruning
compound source
Molecule: Proliferating Cell Nuclear Antigen
Chain: A, C, E
Synonym: Pcna, Cyclin
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pcna
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmcsg19

Molecule: Cyclin-Dependent Kinase Inhibitor 1
Chain: B, D, F
Fragment: 22 C Terminal Residues (139 - 160)
Synonym: Cdk-Interacting Protein 1, Melanoma Differentiatio Associated Protein 6, Mda-6, P21;
Engineered: Yes
Mutation: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: P21 Peptide Chemically Synthesized
symmetry Space Group: P 3
R_factor 0.148 R_Free 0.189
length a length b length c angle alpha angle beta angle gamma
142.970 142.970 41.410 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.01 Å
A, C, E

Primary referencep21 Exploits Residue Tyr151 as a Tether for High-Affinity PCNA Binding., Kroker AJ, Bruning JB, Biochemistry. 2015 Jun 9;54(22):3483-93. doi: 10.1021/acs.biochem.5b00241. Epub, 2015 May 27. PMID:25972089
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (170 Kb) [Save to disk]
  • Biological Unit Coordinates (4rjf.pdb1.gz) 165 Kb
  • Biological Unit Coordinates (4rjf.pdb2.gz) 164 Kb
  • Biological Unit Coordinates (4rjf.pdb3.gz) 167 Kb
  • CSU: Contacts of Structural Units for 4RJF
  • Structure Factors (694 Kb)
  • Retrieve 4RJF in mmCIF format [Save to disk]
  • Re-refined 4rjf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4RJF 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 4RJF
  • 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 4rjf from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4rjf_A] [4rjf_C] [4rjf] [4rjf_E] [4rjf_D] [4rjf_F] [4rjf_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4RJF
  • Community annotation for 4RJF at PDBWiki (http://pdbwiki.org)

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