1ITU Hydrolase date Feb 03, 2002
title Human Renal Dipeptidase Complexed With Cilastatin
authors Y.Nitanai, Y.Satow, H.Adachi, M.Tsujimoto
compound source
Molecule: Renal Dipeptidase
Chain: A, B
Synonym: Microsomal Dipeptidase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Renal Cortex
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Gs115
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Phild2
symmetry Space Group: P 1 21 1
R_factor 0.185 R_Free 0.254
length a length b length c angle alpha angle beta angle gamma
80.179 79.491 56.951 90.00 96.34 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CIL, NAG, ZN enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1ITQ
A, B
  • cysteine-type endopeptidase ...

  • Primary referenceCrystal structure of human renal dipeptidase involved in beta-lactam hydrolysis., Nitanai Y, Satow Y, Adachi H, Tsujimoto M, J Mol Biol 2002 Aug 9;321(2):177-84. PMID:12144777
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (132 Kb) [Save to disk]
  • Biological Unit Coordinates (1itu.pdb1.gz) 127 Kb
  • LPC: Ligand-Protein Contacts for 1ITU
  • CSU: Contacts of Structural Units for 1ITU
  • Likely Quarternary Molecular Structure file(s) for 1ITU
  • Structure Factors (382 Kb)
  • Retrieve 1ITU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ITU from S2C, [Save to disk]
  • Re-refined 1itu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ITU 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 1ITU
  • 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 1ITU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1itua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1itub_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1itu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1itu] [1itu_B] [1itu_A]
  • SWISS-PROT database: [P16444]
  • Domain organization of [DPEP1_HUMAN] by SWISSPFAM
  • Other resources with information on 1ITU
  • Community annotation for 1ITU 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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