1KA6 Immune System date Oct 31, 2001
title Sapsh2d1a Bound To Peptide N-Py
authors P.M.Hwang, C.Li, M.Morra, J.Lillywhite, F.Gertler, C.Terhorst, L.E.Kay, T.Pawson, J.Forman-Kay, S.C.Li
compound source
Molecule: Sh2 Domain Protein 1a
Chain: A
Synonym: Slam-Associated Protein
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3a

Molecule: Peptide N-Py
Chain: B
Fragment: Cytoplasmic Region (Residues 275-282)
Synonym: Signaling Lymphocytic Activation Molecule
Engineered: Yes
Mutation: Yes

Synthetic: Yes
Other_details: This Peptide Was Chemically Synthesized (Solid Phase Synthesis). The Sequence Of The Peptide Is Naturally Found In Homo Sapiens (Human).
methodSolution NMR
ligand NH2, PTR enzyme
related structures by homologous chain: 1KA7, 1M27

Primary referenceA "three-pronged" binding mechanism for the SAP/SH2D1A SH2 domain: structural basis and relevance to the XLP syndrome., Hwang PM, Li C, Morra M, Lillywhite J, Muhandiram DR, Gertler F, Terhorst C, Kay LE, Pawson T, Forman-Kay JD, Li SC, EMBO J 2002 Feb 1;21(3):314-23. PMID:11823424
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk]
  • LPC: Ligand-Protein Contacts for 1KA6
  • CSU: Contacts of Structural Units for 1KA6
  • Original NMR restraints for 1KA6 from PDB
  • Retrieve 1KA6 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KA6 from S2C, [Save to disk]
  • View 1KA6 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 1KA6
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1KA6, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ka6a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1ka6 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: [1ka6_B] [1ka6] [1ka6_A]
  • SWISS-PROT database: [O60880] [Q13291]
  • Domain organization of [SH21A_HUMAN] [SLAF1_HUMAN] by SWISSPFAM
  • Domain found in 1KA6: [SH2 ] by SMART
  • Other resources with information on 1KA6
  • Community annotation for 1KA6 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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