1XU8 Signaling Protein date Oct 25, 2004
title The 2.8 A Structure Of A Tumour Suppressing Serpin
authors J.A.Irving, R.H.Law, K.Ruzyla, T.A.Bashtannyk-Puhalovich, N.Kim, D.M.Worrall, J.Rossjohn, J.C.Whisstock
compound source
Molecule: Maspin
Chain: A, B
Synonym: Protease Inhibitor 5
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Serpinb5
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Prsetc
symmetry Space Group: P 21 21 21
R_factor 0.221 R_Free 0.286
length a length b length c angle alpha angle beta angle gamma
53.540 100.480 136.610 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand SO4 enzyme
related structures by homologous chain: 1WZ9
A, B

Primary referenceThe High Resolution Crystal Structure of the Human Tumor Suppressor Maspin Reveals a Novel Conformational Switch in the G-helix., Law RH, Irving JA, Buckle AM, Ruzyla K, Buzza M, Bashtannyk-Puhalovich TA, Beddoe TC, Nguyen K, Worrall DM, Bottomley SP, Bird PI, Rossjohn J, Whisstock JC, J Biol Chem 2005 Jun 10;280(23):22356-64. Epub 2005 Mar 10. PMID:15760906
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (125 Kb) [Save to disk]
  • Biological Unit Coordinates (1xu8.pdb1.gz) 60 Kb
  • Biological Unit Coordinates (1xu8.pdb2.gz) 62 Kb
  • LPC: Ligand-Protein Contacts for 1XU8
  • CSU: Contacts of Structural Units for 1XU8
  • Likely Quarternary Molecular Structure file(s) for 1XU8
  • Structure Factors (154 Kb)
  • Retrieve 1XU8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XU8 from S2C, [Save to disk]
  • Re-refined 1xu8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XU8 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 1XU8
  • 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 1XU8, from MSDmotif at EBI
  • Fold representative 1xu8 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xu8] [1xu8_A] [1xu8_B]
  • SWISS-PROT database: [P36952]
  • Domain organization of [SPB5_HUMAN] by SWISSPFAM
  • Domain found in 1XU8: [SERPIN ] by SMART
  • Other resources with information on 1XU8
  • Community annotation for 1XU8 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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