1KHU Transcription date Dec 01, 2001
title Smad1 Crystal Structure Reveals The Details Of Bmp Signaling
authors B.Y.Qin, K.Lin
compound source
Molecule: Smad1
Chain: A, B, C, D
Fragment: Dwb
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: H 3
R_factor 0.239 R_Free 0.274
crystal
cell
length a length b length c angle alpha angle beta angle gamma
138.129 138.129 199.340 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.50 Å
related structures by homologous chain: 1DEV, 1U7F
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceStructural basis of Smad1 activation by receptor kinase phosphorylation., Qin BY, Chacko BM, Lam SS, de Caestecker MP, Correia JJ, Lin K, Mol Cell 2001 Dec;8(6):1303-12. PMID:11779505
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk]
  • Biological Unit Coordinates (1khu.pdb1.gz) 103 Kb
  • Biological Unit Coordinates (1khu.pdb2.gz) 98 Kb
  • CSU: Contacts of Structural Units for 1KHU
  • Likely Quarternary Molecular Structure file(s) for 1KHU
  • Structure Factors (700 Kb)
  • Retrieve 1KHU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KHU from S2C, [Save to disk]
  • Re-refined 1khu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KHU 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 1KHU
  • 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
  • 3D motif for 1KHU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1khua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1khub_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1khuc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1khud_, region D [Jmol] [rasmolscript] [script source]
  • 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: [1khu_C] [1khu_B] [1khu_D] [1khu] [1khu_A]
  • SWISS-PROT database: [Q15797]
  • Domain organization of [SMAD1_HUMAN] by SWISSPFAM
  • Domain found in 1KHU: [DWB ] by SMART
  • Other resources with information on 1KHU
  • Community annotation for 1KHU 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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