1CKS Cell Division date Sep 16, 1993
title Human Ckshs2 Atomic Structure: A Role For Its Hexameric Asse Cell Cycle Control
authors H.E.Parge, A.S.Arvai, J.A.Tainer
compound source
Molecule: Cyclin-Dependent Kinase Subunit, Type 2
Chain: A, B, C
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: C 1 2 1
R_factor 0.168 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
100.100 57.600 51.100 90.00 117.40 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand SO4 enzyme
note 1CKS is a representative structure
related structures by homologous chain: 1BUH
A, C, B

Primary referenceHuman CksHs2 atomic structure: a role for its hexameric assembly in cell cycle control., Parge HE, Arvai AS, Murtari DJ, Reed SI, Tainer JA, Science 1993 Oct 15;262(5132):387-95. PMID:8211159
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (1cks.pdb1.gz) 92 Kb
  • LPC: Ligand-Protein Contacts for 1CKS
  • CSU: Contacts of Structural Units for 1CKS
  • Likely Quarternary Molecular Structure file(s) for 1CKS
  • Retrieve 1CKS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1CKS from S2C, [Save to disk]
  • View 1CKS 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 1CKS
  • 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
  • 3D motif for 1CKS, from MSDmotif at EBI
  • Genome occurence of 1CKS's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1cksa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1cksb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1cksc_, region C [Jmol] [rasmolscript] [script source]
  • Fold representative 1cks from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1cks_C] [1cks] [1cks_A] [1cks_B]
  • SWISS-PROT database: [P33552]
  • Domain organization of [CKS2_HUMAN] by SWISSPFAM
  • Domain found in 1CKS: [CKS ] by SMART
  • Other resources with information on 1CKS
  • Community annotation for 1CKS at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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