3N93 Membrane Protein, Hormone date May 28, 2010
title Crystal Structure Of Human Crfr2 Alpha Extracellular Domain With Urocortin 3
authors K.Pal, K.Swaminathan, A.A.Pioszak, H.E.Xu
compound source
Molecule: Maltose Binding Protein-Crfr2 Alpha
Chain: A, B
Fragment: Extracellular Domain
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Crfr2 Alpha
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector: Pet-Duet1

Molecule: Urocortin-3
Chain: C
Fragment: Unp Residues 142-157
Synonym: Urocortin III, Ucn III, Stresscopin
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: C 2 2 21
R_factor 0.220 R_Free 0.266
length a length b length c angle alpha angle beta angle gamma
54.278 208.513 212.550 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand GLC, GOL, NH2 enzyme
A, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (309 Kb) [Save to disk]
  • Biological Unit Coordinates (3n93.pdb1.gz) 602 Kb
  • Biological Unit Coordinates (3n93.pdb2.gz) 302 Kb
  • Biological Unit Coordinates (3n93.pdb3.gz) 151 Kb
  • Biological Unit Coordinates (3n93.pdb4.gz) 150 Kb
  • Biological Unit Coordinates (3n93.pdb5.gz) 8 Kb
  • LPC: Ligand-Protein Contacts for 3N93
  • CSU: Contacts of Structural Units for 3N93
  • Structure Factors (456 Kb)
  • Retrieve 3N93 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3N93 from S2C, [Save to disk]
  • Re-refined 3n93 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3N93 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 3N93
  • 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 3N93, from MSDmotif at EBI
  • Fold representative 3n93 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3n93_B] [3n93] [3n93_C] [3n93_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3N93: [HormR ] by SMART
  • Other resources with information on 3N93
  • Community annotation for 3N93 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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