1B55 Transferase date Jan 12, 1999
title Ph Domain From Bruton'S Tyrosine Kinase In Complex With Inos 4,5-Tetrakisphosphate
authors K.Djinovic Carugo, E.Baraldi, M.Hyvoenen, P.Lo Surdo, A.M.Riley, B.V.L.Potter, R.O'Brien, J.E.Ladbury, M.Saraste
compound source
Molecule: Tyrosine-Protein Kinase Btk
Chain: A, B
Fragment: Ph Domain And Btk Motif
Synonym: Bruton'S Agammaglobulinemia Tyrosine Kinase, Btk
Engineered: Yes
Other_details: Complex With Inositol 1,3,4,5-Tetrakisphosph
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: Bl21
Cell: B-Lymphocyte
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector: Pbat4
Expression_system_plasmid: Pbat4-Btk3
symmetry Space Group: I 41 2 2
R_factor 0.234 R_Free 0.350
length a length b length c angle alpha angle beta angle gamma
110.205 110.205 215.528 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand 4IP, ZN enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1BWN
A, B

Primary referenceStructure of the PH domain from Bruton's tyrosine kinase in complex with inositol 1,3,4,5-tetrakisphosphate., Baraldi E, Carugo KD, Hyvonen M, Surdo PL, Riley AM, Potter BV, O'Brien R, Ladbury JE, Saraste M, Structure Fold Des 1999 Apr 15;7(4):449-60. PMID:10196129
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk]
  • Biological Unit Coordinates (1b55.pdb1.gz) 119 Kb
  • LPC: Ligand-Protein Contacts for 1B55
  • CSU: Contacts of Structural Units for 1B55
  • Likely Quarternary Molecular Structure file(s) for 1B55
  • Structure Factors (200 Kb)
  • Retrieve 1B55 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B55 from S2C, [Save to disk]
  • Re-refined 1b55 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1B55 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 1B55
  • 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 1B55, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b55a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1b55b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1b55 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: [1b55_B] [1b55_A] [1b55]
  • SWISS-PROT database: [Q06187]
  • Domain organization of [BTK_HUMAN] by SWISSPFAM
  • Domains found in 1B55: [BTK] [PH ] by SMART
  • Other resources with information on 1B55
  • Community annotation for 1B55 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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