1D4W Signaling Protein date Oct 06, 1999
title Crystal Structure Of The Xlp Protein Sap In Complex With Sla Phosphopeptide
authors F.Poy, M.B.Yaffe, J.Sayos, K.Saxena, M.J.Eck
compound source
Molecule: T Cell Signal Transduction Molecule Sap
Chain: A, B
Fragment: Sh2 Domain
Synonym: Sap
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Blood
Cell: T Cell
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: T7-Prset

Molecule: Signaling Lymphocytic Activation Molecule
Chain: C, D
Fragment: Cytoplasmic Tail Synthetic Phospopeptide
Synonym: Slam
Engineered: Yes

Synthetic: Yes
Other_details: This Peptide Was Chemically Synthesized.
symmetry Space Group: C 1 2 1
length a length b length c angle alpha angle beta angle gamma
100.200 49.000 55.600 90.00 94.20 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand PTR enzyme
related structures by homologous chain: 1D1Z, 1M27
A, B

Primary referenceCrystal structures of the XLP protein SAP reveal a class of SH2 domains with extended, phosphotyrosine-independent sequence recognition., Poy F, Yaffe MB, Sayos J, Saxena K, Morra M, Sumegi J, Cantley LC, Terhorst C, Eck MJ, Mol Cell 1999 Oct;4(4):555-61. PMID:10549287
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (1d4w.pdb1.gz) 24 Kb
  • Biological Unit Coordinates (1d4w.pdb2.gz) 23 Kb
  • LPC: Ligand-Protein Contacts for 1D4W
  • CSU: Contacts of Structural Units for 1D4W
  • Likely Quarternary Molecular Structure file(s) for 1D4W
  • Structure Factors (172 Kb)
  • Retrieve 1D4W in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1D4W from S2C, [Save to disk]
  • Re-refined 1d4w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1D4W 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 1D4W
  • 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 1D4W, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1d4wa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1d4wb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1d4w 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: [1d4w] [1d4w_C] [1d4w_B] [1d4w_A] [1d4w_D]
  • SWISS-PROT database: [O60880] [Q13291]
  • Domain organization of [SH21A_HUMAN] [SLAF1_HUMAN] by SWISSPFAM
  • Domain found in 1D4W: [SH2 ] by SMART
  • Other resources with information on 1D4W
  • Community annotation for 1D4W 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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