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
crystal cell	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 Diffraction	resolution	2.80 Å
ligand	SO4	enzyme
related structures	by homologous chain: 1WZ9
Gene Ontology	Chain Function Process Component A, B
Primary reference	The 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] (123 Kb) [Save to disk] Biological Unit Coordinates (1xu8.pdb1.gz) 59 Kb Biological Unit Coordinates (1xu8.pdb2.gz) 61 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

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 3D motif for 1XU8, from MSDmotif at EBI

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)

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Images from IMB Jena Image Library of Biological Macromolecules.

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