1MPM Membrane Protein date Jan 11, 1996
title Maltoporin Maltose Complex
authors R.Dutzler, T.Schirmer
compound source
Molecule: Maltoporin
Chain: A, B, C
Synonym: Lamb
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: C 2 2 21
R_factor 0.226 R_Free 0.243
crystal
cell
length a length b length c angle alpha angle beta angle gamma
129.800 211.700 218.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand BGC, GLC, MG enzyme
related structures by homologous chain: 1AF6, 1MPR
Gene
Ontology
ChainFunctionProcessComponent
A, C, B
  • virus receptor activity


    • Primary referenceCrystal structures of various maltooligosaccharides bound to maltoporin reveal a specific sugar translocation pathway., Dutzler R, Wang YF, Rizkallah P, Rosenbusch JP, Schirmer T, Structure. 1996 Feb 15;4(2):127-34. PMID:8805519
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (217 Kb) [Save to disk]
  • Biological Unit Coordinates (1mpm.pdb1.gz) 210 Kb
  • LPC: Ligand-Protein Contacts for 1MPM
  • CSU: Contacts of Structural Units for 1MPM
  • Likely Quarternary Molecular Structure file(s) for 1MPM
  • Structure Factors (580 Kb)
  • Retrieve 1MPM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1MPM from S2C, [Save to disk]
  • Re-refined 1mpm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1MPM 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 1MPM
  • 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
  • 3D motif for 1MPM, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1mpma_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1mpmb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1mpmc_, region C [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1mpm] [1mpm_A] [1mpm_C] [1mpm_B]
  • SWISS-PROT database: [P02943]
  • Belongs to the sugar porin (sp) family according to TCDB.
  • Domain organization of [LAMB_ECOLI] by SWISSPFAM
    • Other resources with information on 1MPM
  • Community annotation for 1MPM 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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