3X0E Cell Adhesion date Oct 14, 2014
title Crystal Structure Of The Ectodomain Of Human Cd81 Large Extr Loop (Hcd81-Lel)
authors M.Zhang, S.Cui
compound source
Molecule: Cd81 Antigen
Chain: A, B
Fragment: Large Extracellular Loop, Unp Residues 113-202
Synonym: 26 Kda Cell Surface Protein Tapa-1, Target Of The Antiproliferative Antibody 1, Tetraspanin-28, Tspan-28;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cd81, Tapa1, Tspan28
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-28a
symmetry Space Group: P 1 21 1
R_factor 0.195 R_Free 0.225
length a length b length c angle alpha angle beta angle gamma
31.124 77.408 38.497 90.00 107.94 90.00
method X-Ray Diffractionresolution 1.84 Å
ligand MG enzyme
A, B

Primary referenceAn intramolecular bond at cluster of differentiation 81 ectodomain is important for hepatitis C virus entry., Yang W, Zhang M, Chi X, Liu X, Qin B, Cui S, FASEB J. 2015 Jun 26. pii: fj.15-272880. PMID:26116703
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk]
  • Biological Unit Coordinates (3x0e.pdb1.gz) 56 Kb
  • LPC: Ligand-Protein Contacts for 3X0E
  • CSU: Contacts of Structural Units for 3X0E
  • Structure Factors (261 Kb)
  • Retrieve 3X0E in mmCIF format [Save to disk]
  • Re-refined 3x0e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3X0E in 3D
  • Proteopedia, because life has more than 2D.
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  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3X0E
  • 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
  • Fold representative 3x0e from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3x0e_B] [3x0e_A] [3x0e]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3X0E
  • Community annotation for 3X0E at PDBWiki (http://pdbwiki.org)

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