3QNF Hydrolase date Feb 08, 2011
title Crystal Structure Of The Open State Of Human Endoplasmic Ret Aminopeptidase 1 Erap1
authors M.Vollmar, G.Kochan, T.Krojer, D.Harvey, A.Chaikuad, C.Allerston, J.R.C.Muniz, J.Raynor, E.Ugochukwu, G.Berridge, B.P.Wordsworth, Delft, C.Bountra, C.H.Arrowsmith, A.Edwards, K.Kavanagh, U.Opper Structural Genomics Consortium (Sgc)
compound source
Molecule: Endoplasmic Reticulum Aminopeptidase 1
Chain: A, B, C
Synonym: Arts-1, Adipocyte-Derived Leucine Aminopeptidase, Aminopeptidase Pils, Puromycin-Insensitive Leucyl-Specific Aminopeptidase, Pils-Ap, Type 1 Tumor Necrosis Factor Recep Shedding Aminopeptidase Regulator;
Ec: 3.4.11.-
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Erap1, Appils, Arts1, Kiaa0525, Unq584pro1154
Expression_system: Trichoplusia Ni
Expression_system_common: Cabbage Looper
Expression_system_taxid: 7111
symmetry Space Group: P 21 21 21
R_factor 0.229 R_Free 0.283
length a length b length c angle alpha angle beta angle gamma
97.246 132.816 233.687 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.00 Å
ligand MAN, NAG, ZN enzyme Hydrolase E.C.3.4.11 BRENDA
A, C, B

Primary referenceCrystal structures of the endoplasmic reticulum aminopeptidase-1 (ERAP1) reveal the molecular basis for N-terminal peptide trimming., Kochan G, Krojer T, Harvey D, Fischer R, Chen L, Vollmar M, von Delft F, Kavanagh KL, Brown MA, Bowness P, Wordsworth P, Kessler BM, Oppermann U, Proc Natl Acad Sci U S A. 2011 May 10;108(19):7745-50. Epub 2011 Apr 20. PMID:21508329
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (373 Kb) [Save to disk]
  • Biological Unit Coordinates (3qnf.pdb1.gz) 113 Kb
  • Biological Unit Coordinates (3qnf.pdb2.gz) 130 Kb
  • Biological Unit Coordinates (3qnf.pdb3.gz) 128 Kb
  • LPC: Ligand-Protein Contacts for 3QNF
  • CSU: Contacts of Structural Units for 3QNF
  • Structure Factors (503 Kb)
  • Retrieve 3QNF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3QNF from S2C, [Save to disk]
  • Re-refined 3qnf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3QNF 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 3QNF
  • 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 3QNF, from MSDmotif at EBI
  • Fold representative 3qnf from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3qnf_A] [3qnf_B] [3qnf_C] [3qnf]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3QNF
  • Community annotation for 3QNF 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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