4QAE Transport Protein Signaling Protein date May 04, 2014
title Crystal Structure Of An Engineered Lipocalin (Anticalin) In With Human Hepcidin
authors T.Giese, A.Skerra
compound source
Molecule: Hepcidin
Chain: P, Q, R, S, T, U
Fragment: Unp Residues 60-84
Synonym: Liver-Expressed Antimicrobial Peptide 1, Leap-1, P Liver Tumor Regressor, Pltr, Hepcidin-25, Hepc25, Hepcidin- Hepc20;
Engineered: Yes
Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: Neutrophil Gelatinase-Associated Lipocalin
Chain: A, B, C, D, E, F
Fragment: Unp Residues 21-198
Synonym: Ngal, 25 Kda Alpha-2-Microglobulin-Related Subunit Lipocalin-2, Oncogene 24p3, Siderocalin Lcn2, P25;
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Engineered Variant, Hnl, Lcn2, Ngal
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm83
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pex2200-I24
symmetry Space Group: P 31 2 1
R_factor 0.166 R_Free 0.206
length a length b length c angle alpha angle beta angle gamma
126.894 126.894 156.707 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.10 Å
ligand CL, MPD enzyme
F, A, D, C, E, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (415 Kb) [Save to disk]
  • Biological Unit Coordinates (4qae.pdb1.gz) 72 Kb
  • Biological Unit Coordinates (4qae.pdb2.gz) 72 Kb
  • Biological Unit Coordinates (4qae.pdb3.gz) 68 Kb
  • Biological Unit Coordinates (4qae.pdb4.gz) 69 Kb
  • Biological Unit Coordinates (4qae.pdb5.gz) 70 Kb
  • Biological Unit Coordinates (4qae.pdb6.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 4QAE
  • CSU: Contacts of Structural Units for 4QAE
  • Structure Factors (1631 Kb)
  • Retrieve 4QAE in mmCIF format [Save to disk]
  • Re-refined 4qae structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4QAE 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 4QAE
  • 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 4QAE, from MSDmotif at EBI
  • Fold representative 4qae from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4qae_A] [4qae_R] [4qae_T] [4qae_F] [4qae] [4qae_U] [4qae_E] [4qae_P] [4qae_D] [4qae_C] [4qae_S] [4qae_Q] [4qae_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4QAE
  • Community annotation for 4QAE at PDBWiki (http://pdbwiki.org)

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