3CTZ Hydrolase date Apr 15, 2008
title Structure Of Human Cytosolic X-Prolyl Aminopeptidase
authors X.Li, Z.Lou, Z.Rao
compound source
Molecule: Xaa-Pro Aminopeptidase 1
Chain: A
Synonym: X-Pro Aminopeptidase 1, X-Prolyl Aminopeptidase 1, Cytosolic Aminopeptidase P, Soluble Aminopeptidase P, Samp, Aminoacylproline Aminopeptidase;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Xpnpep1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28a
symmetry Space Group: C 2 2 21
R_factor 0.154 R_Free 0.196
length a length b length c angle alpha angle beta angle gamma
71.444 131.429 169.076 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand CA, MN, NA, P6G enzyme Hydrolase E.C. BRENDA
note 3CTZ is a representative structure

Primary referenceStructure of human cytosolic X-prolyl aminopeptidase: a double Mn(II)-dependent dimeric enzyme with a novel three-domain subunit., Li X, Lou Z, Li X, Zhou W, Ma M, Cao Y, Geng Y, Bartlam M, Zhang XC, Rao Z, J Biol Chem. 2008 Aug 15;283(33):22858-66. doi: 10.1074/jbc.M710274200. Epub 2008, May 30. PMID:18515364
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (252 Kb) [Save to disk]
  • Biological Unit Coordinates (3ctz.pdb1.gz) 489 Kb
  • LPC: Ligand-Protein Contacts for 3CTZ
  • CSU: Contacts of Structural Units for 3CTZ
  • Likely Quarternary Molecular Structure file(s) for 3CTZ
  • Structure Factors (1530 Kb)
  • Retrieve 3CTZ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3CTZ from S2C, [Save to disk]
  • Re-refined 3ctz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3CTZ 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 3CTZ
  • 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 3CTZ, from MSDmotif at EBI
  • Fold representative 3ctz from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3ctz] [3ctz_A]
  • SWISS-PROT database: [Q9NQW7]
  • Domain organization of [XPP1_HUMAN] by SWISSPFAM
  • Other resources with information on 3CTZ
  • Community annotation for 3CTZ 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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