4PZ4 Cell Adhesion date Mar 28, 2014
title High-Resolution Crystal Structure Of The Human Cd44 Hyaluron Domain In New Space Group
authors L.K.Liu, B.Finzel
compound source
Molecule: Cd44 Antigen
Chain: A, B
Fragment: Hyaluronan Binding Domain, Residues 18-171
Synonym: Cdw44, Epican, Extracellular Matrix Receptor III, Gp90 Lymphocyte Homingadhesion Receptor, Hutch-I, Heparan Proteoglycan, Hermes Antigen, Hyaluronate Receptor, Phagocy Glycoprotein 1, Pgp-1, Phagocytic Glycoprotein I, Pgp-I;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cd44, Cd44 Ly-24, Lhr, Mdu2, Mdu3, Mic4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmcsg7
symmetry Space Group: P 61 2 2
R_factor 0.197 R_Free 0.229
length a length b length c angle alpha angle beta angle gamma
70.271 70.271 286.458 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.60 Å
ligand DMS, EDO, GOL, PEG, SO4 enzyme
A, B

Primary referenceHigh-resolution crystal structures of alternate forms of the human CD44 hyaluronan-binding domain reveal a site for protein interaction., Liu LK, Finzel B, Acta Crystallogr F Struct Biol Commun. 2014 Sep 1;70(Pt 9):1155-61. doi:, 10.1107/S2053230X14015532. Epub 2014 Aug 29. PMID:25195884
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk]
  • Biological Unit Coordinates (4pz4.pdb1.gz) 29 Kb
  • Biological Unit Coordinates (4pz4.pdb2.gz) 30 Kb
  • LPC: Ligand-Protein Contacts for 4PZ4
  • CSU: Contacts of Structural Units for 4PZ4
  • Structure Factors (3112 Kb)
  • Retrieve 4PZ4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4PZ4 from S2C, [Save to disk]
  • Re-refined 4pz4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4PZ4 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 4PZ4
  • 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 4PZ4, from MSDmotif at EBI
  • Fold representative 4pz4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4pz4_B] [4pz4_A] [4pz4]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4PZ4: [LINK ] by SMART
  • Other resources with information on 4PZ4
  • Community annotation for 4PZ4 at PDBWiki (http://pdbwiki.org)

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