1PSP

PANCREATIC SPASMOLYTIC POLYPEPTIDE: FIRST THREE-DIMENSIONAL STRUCTURE OF A MEMBER OF THE MAMMALIAN TREFOIL FAMILY OF PEPTIDES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Work: 0.200 
  • R-Value Observed: 0.200 

wwPDB Validation   3D Report Full Report


This is version 2.0 of the entry. See complete history


Literature

Pancreatic spasmolytic polypeptide: first three-dimensional structure of a member of the mammalian trefoil family of peptides.

Gajhede, M.Petersen, T.N.Henriksen, A.Petersen, J.F.Dauter, Z.Wilson, K.S.Thim, L.

(1993) Structure 1: 253-262

  • DOI: 10.1016/0969-2126(93)90014-8
  • Primary Citation of Related Structures:  
    1PSP

  • PubMed Abstract: 
  • The trefoil peptides are a rapidly growing family of peptides, mainly found in the gastrointestinal tract. There is circumstantial evidence that they stabilize the mucus layer, and may affect the rate of healing of the mucosal epithelium.


    Related Citations: 
    • Pancreatic Spasmolytic Polypeptide: Crystallization, Circular Dichroism Analysis, and Preliminary X-Ray Diffraction Studies
      Gajhede, M., Thim, L., Jorgensen, K.H., Melberg, S.G.
      (1992) Proteins 13: 364

    Organizational Affiliation

    Department of Chemistry, H.C. Orsted Institute, University of Copenhagen, Denmark.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PANCREATIC SPASMOLYTIC POLYPEPTIDEA, B106Sus scrofaMutation(s): 0 
Gene Names: TFF2SML1
UniProt
Find proteins for P01359 (Sus scrofa)
Explore P01359 
Go to UniProtKB:  P01359
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP01359
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
PCA
Query on PCA
A, B L-PEPTIDE LINKINGC5 H7 N O3GLN
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Work: 0.200 
  • R-Value Observed: 0.200 
  • Space Group: I 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 54.7α = 90
b = 72.6β = 90
c = 181.5γ = 90
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1994-04-30
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-11-29
    Changes: Derived calculations, Other
  • Version 2.0: 2019-12-25
    Changes: Database references, Derived calculations, Polymer sequence