1H4L Kinase Kinase Activator date May 11, 2001
title Structure And Regulation Of The Cdk5-P25(Nck5a) Complex
authors C.Tarricone, R.Dhavan, J.Peng, L.B.Areces, L.H.Tsai, A.Musacchio
compound source
Molecule: Cell Division Protein Kinase 5
Chain: A, B
Synonym: Tau Protein Kinase II Catalytic Subunit, Cdk5
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus
Expression_system_plasmid: Pbac4x-1

Molecule: Cyclin-Dependent Kinase 5 Activator
Chain: D, E
Fragment: Residues 147-293
Synonym: Cdk5 Activator 1, Cyclin-Dependent Kinase 5 Regulatory Subunit 1, Tau Protein Kinase II 23 Kda Subunit, Tpkii Regulatory Subunit, P23, P25, P35;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: C 1 2 1
R_factor 0.236 R_Free 0.287
length a length b length c angle alpha angle beta angle gamma
149.090 89.760 82.570 90.00 93.08 90.00
method X-Ray Diffractionresolution 2.65 Å
related structures by homologous chain: 1OGU, 1UNH
A, B
  • acetylcholine receptor activ...
  • synaptic vesicle exocytosis

  • D, E

    Primary referenceStructure and regulation of the CDK5-p25(nck5a) complex., Tarricone C, Dhavan R, Peng J, Areces LB, Tsai LH, Musacchio A, Mol Cell 2001 Sep;8(3):657-69. PMID:11583627
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (133 Kb) [Save to disk]
  • Biological Unit Coordinates (1h4l.pdb1.gz) 66 Kb
  • Biological Unit Coordinates (1h4l.pdb2.gz) 66 Kb
  • CSU: Contacts of Structural Units for 1H4L
  • Likely Quarternary Molecular Structure file(s) for 1H4L
  • Structure Factors (225 Kb)
  • Retrieve 1H4L in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1H4L from S2C, [Save to disk]
  • Re-refined 1h4l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1H4L 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 1H4L
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1H4L, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1h4la_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1h4lb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1h4ld_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1h4le_, region E [Jmol] [rasmolscript] [script source]
  • Fold representative 1h4l 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: [1h4l_A] [1h4l_E] [1h4l_D] [1h4l] [1h4l_B]
  • SWISS-PROT database: [Q15078] [Q00535]
  • Domain organization of [CD5R1_HUMAN] [CDK5_HUMAN] by SWISSPFAM
  • Domain found in 1H4L: [S_TKc ] by SMART
  • Other resources with information on 1H4L
  • Community annotation for 1H4L 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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