1KWA Kinase date Jan 16, 1998
title Human Casklin-2 Pdz Domain
authors D.L.Daniels, A.R.Cohen, J.M.Anderson, A.T.Brunger
compound source
Molecule: Hcasklin-2 Protein
Chain: A, B
Fragment: Pdz Domain
Synonym: Hcask, Glgf Repeat, Dhr
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Liver
Cellular_location: Membrane-Associated
Gene: Hcask
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dh5 Alpha
Expression_system_cellular_location: Cytoplasm
Expression_system_vector: Pgex-2t
Expression_system_plasmid: N-Terminal Gst Fusion, Amp Resistant;
Other_details: Cloned From A Cdna Liver Library
symmetry Space Group: C 2 2 21
R_factor 0.251 R_Free 0.298
crystal
cell
length a length b length c angle alpha angle beta angle gamma
40.800 97.000 92.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.93 Å
ligand SO4 enzyme
Primary referenceCrystal structure of the hCASK PDZ domain reveals the structural basis of class II PDZ domain target recognition., Daniels DL, Cohen AR, Anderson JM, Brunger AT, Nat Struct Biol 1998 Apr;5(4):317-25. PMID:9546224
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk]
  • Biological Unit Coordinates (1kwa.pdb1.gz) 17 Kb
  • Biological Unit Coordinates (1kwa.pdb2.gz) 17 Kb
  • Biological Unit Coordinates (1kwa.pdb3.gz) 64 Kb
  • Biological Unit Coordinates (1kwa.pdb4.gz) 33 Kb
  • Biological Unit Coordinates (1kwa.pdb5.gz) 33 Kb
  • LPC: Ligand-Protein Contacts for 1KWA
  • CSU: Contacts of Structural Units for 1KWA
  • Likely Quarternary Molecular Structure file(s) for 1KWA
  • Structure Factors (112 Kb)
  • Retrieve 1KWA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KWA from S2C, [Save to disk]
  • Re-refined 1kwa structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KWA 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 1KWA
  • 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 1KWA, from MSDmotif at EBI
  • Genome occurence of 1KWA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kwaa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kwab_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1kwa 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: [1kwa] [1kwa_A] [1kwa_B]
  • SWISS-PROT database: [O14936]
  • Domain organization of [CSKP_HUMAN] by SWISSPFAM
  • Domain found in 1KWA: [PDZ ] by SMART
  • Alignments of the sequence of 1KWA with the sequences similar proteins can be viewed for 1KWA's classification [CSKP_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [CSKP_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1KWA
  • Community annotation for 1KWA 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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