1BI8 Complex (Kinase Inhibitor) date Jun 22, 1998
title Mechanism Of G1 Cyclin Dependent Kinase Inhibition From The Structures Cdk6-P19ink4d Inhibitor Complex
authors A.A.Russo, L.Tong, J.O.Lee, P.D.Jeffrey, N.P.Pavletich
compound source
Molecule: Cyclin-Dependent Kinase 6
Chain: A, C
Synonym: Cdk6
Ec: 2.7.1.-
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: Spodoptera Frugiperda
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_strain: Hi5
Expression_system_vector: Baculovirus

Molecule: Cyclin-Dependent Kinase Inhibitor
Chain: B, D
Synonym: P19ink4d
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: Spodoptera Frugiperda
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Hi5
Expression_system_vector: Glutathione-S-Transferase Fusion
symmetry Space Group: C 1 2 1
R_factor 0.255 R_Free 0.308
length a length b length c angle alpha angle beta angle gamma
96.860 116.060 131.490 90.00 110.63 90.00
method X-Ray Diffractionresolution 2.80 Å
enzyme Transferase E.C.2.7.1 BRENDA
related structures by homologous chain: 1AP7, 1BLX, 1G3N
A, C

D, B
  • cyclin-dependent protein ser...

  • Primary referenceStructural basis for inhibition of the cyclin-dependent kinase Cdk6 by the tumour suppressor p16INK4a., Russo AA, Tong L, Lee JO, Jeffrey PD, Pavletich NP, Nature 1998 Sep 17;395(6699):237-43. PMID:9751050
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (138 Kb) [Save to disk]
  • Biological Unit Coordinates (1bi8.pdb1.gz) 132 Kb
  • CSU: Contacts of Structural Units for 1BI8
  • Likely Quarternary Molecular Structure file(s) for 1BI8
  • Retrieve 1BI8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1BI8 from S2C, [Save to disk]
  • View 1BI8 in 3D
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  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
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  • Visual 3D analysis of 1BI8
  • Cartoon representation from PDB Cartoon
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  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1BI8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1bi8a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1bi8b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1bi8c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1bi8d_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1bi8 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: [1bi8_A] [1bi8_B] [1bi8_D] [1bi8] [1bi8_C]
  • SWISS-PROT database: [Q00534] [P55273]
  • Domain organization of [CDK6_HUMAN] [CDN2D_HUMAN] by SWISSPFAM
  • Domains found in 1BI8: [ANK] [S_TKc ] by SMART
  • Other resources with information on 1BI8
  • Community annotation for 1BI8 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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