authors Nguyen, J.T., Turck, C.W., Cohen, F.E., Zuckermann, R.N., Lim, W.A.
compound source
R_Free 0.31
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.20
ligand NMC enzyme
related structures by homologous chain: 1K76, 2SEM
Primary referenceExploiting the basis of proline recognition by SH3 and WW domains: design of N-substituted inhibitors., Nguyen JT, Turck CW, Cohen FE, Zuckermann RN, Lim WA, Science 1998 Dec 11;282(5396):2088-92. PMID:9851931
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk]
  • Biological Unit Coordinates (3sem.pdb1.gz) 12 Kb
  • Biological Unit Coordinates (3sem.pdb2.gz) 12 Kb
  • LPC: Ligand-Protein Contacts for 3SEM
  • CSU: Contacts of Structural Units for 3SEM
  • Likely Quarternary Molecular Structure file(s) for 3SEM
  • Retrieve 3SEM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3SEM from S2C, [Save to disk]
  • View 3SEM 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 3SEM
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3SEM, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3sema_, region A [Jmol] [rasmolscript] [script source]
        - Domain d3semb_, 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: [3sem] [3sem_D] [3sem_A] [3sem_C] [3sem_B]
  • SWISS-PROT database: [P29355]
  • Domain organization of [SEM5_CAEEL] by SWISSPFAM
  • Domain found in 3SEM: [SH3 ] by SMART
  • Other resources with information on 3SEM
  • Community annotation for 3SEM 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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