1SEM Signal Transduction Protein date Mar 28, 1995
title Structural Determinants Of Peptide-Binding Orientation And Of Sequence Specificity In Sh3 Domains
authors W.A.Lim, F.M.Richards, R.O.Fox
compound source
Molecule: Sem-5
Chain: A, B
Engineered: Yes
 Organism_scientific: Caenorhabditis Elegans
Organism_taxid: 6239
Gene: Grb2
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pet19b

Molecule: 10-Residue Proline-Rich Peptide From Msos (Ace- Pro-Pro-Pro-Val-Pro-Pro-Arg-Arg-Arg);
Chain: C, D
Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
symmetry Space Group: P 1 21 1
R_factor 0.189 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
26.912 68.410 35.029 90.00 94.71 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand ACE enzyme
related structures by homologous chain: 2SEM
Primary referenceStructural determinants of peptide-binding orientation and of sequence specificity in SH3 domains., Lim WA, Richards FM, Fox RO, Nature 1994 Nov 24;372(6504):375-9. PMID:7802869
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk]
  • Biological Unit Coordinates (1sem.pdb1.gz) 24 Kb
  • LPC: Ligand-Protein Contacts for 1SEM
  • CSU: Contacts of Structural Units for 1SEM
  • Likely Quarternary Molecular Structure file(s) for 1SEM
  • Retrieve 1SEM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SEM from S2C, [Save to disk]
    • View 1SEM 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 1SEM
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SEM, from MSDmotif at EBI
  • Genome occurence of 1SEM's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sema_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1semb_, region B [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: [1sem] [1sem_C] [1sem_B] [1sem_A] [1sem_D]
  • SWISS-PROT database: [P29355]
  • Domain organization of [SEM5_CAEEL] by SWISSPFAM
  • Domain found in 1SEM: [SH3 ] by SMART
    • Other resources with information on 1SEM
  • Community annotation for 1SEM at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Domain movements in 1SEM from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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