1U7F Signaling Protein date Aug 03, 2004
title Crystal Structure Of The Phosphorylated Smad3smad4 Heterotrimeric Complex
authors B.M.Chacko, B.Y.Qin, A.Tiwari, G.Shi, S.Lam, L.J.Hayward, M.De Caestecker, K.Lin
compound source
Molecule: Mothers Against Decapentaplegic Homolog 3
Chain: A, C
Fragment: Mh2 And Linker Domains
Synonym: Smad 3, Mothers Against Dpp Homolog 3, Mad3, Hmad- 3, Jv15-2, Hsmad3;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Smad3, Madh3
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Er2566
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptxb1

Molecule: Mothers Against Decapentaplegic Homolog 4
Chain: B
Fragment: Mh2 And Linker Domains
Synonym: Smad 4, Mothers Against Dpp Homolog 4, Deletion Target In Pancreatic Carcinoma 4, Hsmad4;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Smad4, Madh4, Dpc4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Hb101
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-4t2
symmetry Space Group: P 21 21 21
R_factor 0.232 R_Free 0.247
crystal
cell
length a length b length c angle alpha angle beta angle gamma
48.471 60.545 205.779 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand SEP enzyme
related structures by homologous chain: 1DD1, 1KHU, 1U7V, 1YGS
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceStructural basis of heteromeric smad protein assembly in TGF-beta signaling., Chacko BM, Qin BY, Tiwari A, Shi G, Lam S, Hayward LJ, De Caestecker M, Lin K, Mol Cell 2004 Sep 10;15(5):813-23. PMID:15350224
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk]
  • Biological Unit Coordinates (1u7f.pdb1.gz) 102 Kb
  • LPC: Ligand-Protein Contacts for 1U7F
  • CSU: Contacts of Structural Units for 1U7F
  • Likely Quarternary Molecular Structure file(s) for 1U7F
  • Structure Factors (169 Kb)
  • Retrieve 1U7F in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1U7F from S2C, [Save to disk]
  • Re-refined 1u7f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1U7F 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 1U7F
  • 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 1U7F, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1u7fa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1u7fb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1u7fc_, region C [Jmol] [rasmolscript] [script source]
  • Fold representative 1u7f 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: [1u7f] [1u7f_C] [1u7f_A] [1u7f_B]
  • SWISS-PROT database: [P84022] [Q13485]
  • Domain organization of [SMAD3_HUMAN] [SMAD4_HUMAN] by SWISSPFAM
  • Domain found in 1U7F: [DWB ] by SMART
  • Other resources with information on 1U7F
  • Community annotation for 1U7F 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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