1AHB

THE N-GLYCOSIDASE MECHANISM OF RIBOSOME-INACTIVATING PROTEINS IMPLIED BY CRYSTAL STRUCTURES OF ALPHA-MOMORCHARIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Work: 0.175 
  • R-Value Observed: 0.175 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

The N-glycosidase mechanism of ribosome-inactivating proteins implied by crystal structures of alpha-momorcharin.

Ren, J.Wang, Y.Dong, Y.Stuart, D.I.

(1994) Structure 2: 7-16

  • DOI: 10.1016/s0969-2126(00)00004-6
  • Primary Citation of Related Structures:  
    1AHC, 1AHB, 1AHA

  • PubMed Abstract: 
  • alpha-Momorcharin (alpha MMC) is a type I ribosome-inactivating protein. It inhibits protein synthesis by hydrolytically removing a specific adenine residue from a highly conserved, single-stranded loop of rRNA.


    Related Citations: 
    • Molecular Replacement Studies of Alpha-Momorcharin (in: Proceedings of the Ccp4 Study Weekend: Molecular Replacement, Edited by E.J.Dodson, S.Gover,W.Wolf)
      Ren, J., Wang, Y., Dong, Y., Stuart, D.I.
      (1992) Daresbury Lab [rep ]dl/sci/r 33: 116
    • Crystals of Alpha-Momorcharin, a New Ribosome-Inactivating Protein
      Feng, Z., Li, W.W., Yeung, H.W., Chen, S., Wang, Y., Lin, X., Dong, Y., Wang, J.
      (1990) J Mol Biol 214: 625

    Organizational Affiliation

    Oxford Centre for Molecular Sciences, UK.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ALPHA-MOMORCHARINA246Momordica charantiaMutation(s): 0 
EC: 3.2.2.22
UniProt
Find proteins for P16094 (Momordica charantia)
Explore P16094 
Go to UniProtKB:  P16094
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
FMP (Subject of Investigation/LOI)
Query on FMP

Download Ideal Coordinates CCD File 
B [auth A]FORMYCIN-5'-MONOPHOSPHATE
C10 H14 N5 O7 P
PBAHXXBYQACZMA-KSYZLYKTSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Work: 0.175 
  • R-Value Observed: 0.175 
  • Space Group: H 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 131.4α = 90
b = 131.4β = 90
c = 49.8γ = 120
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: 1994-06-22
    Type: Initial release
  • Version 1.1: 2008-03-03
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance