3L4U Hydrolase date Dec 21, 2009
title Crystal Complex Of N-Terminal Human Maltase-Glucoamylase Wit Sulfonated Kotalanol
authors L.Sim, D.R.Rose
compound source
Molecule: Maltase-Glucoamylase, Intestinal
Chain: A
Fragment: Unp Residues 87-954
Synonym: Maltase, Alpha-Glucosidase, Glucoamylase, Glucan 1 Glucosidase;
Ec: 3.2.1.20, 3.2.1.3
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Mga, Mgam, Mgaml
Expression_system: Drosophila Melanogaster
Expression_system_taxid: 7227
Expression_system_strain: S2 Cells
Expression_system_vector_type: Stable Transfection Plasmid
Expression_system_plasmid: Pmt-Bip-V5-His
symmetry Space Group: P 21 21 21
R_factor 0.184 R_Free 0.221
crystal
cell
length a length b length c angle alpha angle beta angle gamma
88.865 109.866 109.838 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand DSK, NAG, SO4 enzyme Hydrolase E.C.3.2.1.20 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceNew glucosidase inhibitors from an ayurvedic herbal treatment for type 2 diabetes: structures and inhibition of human intestinal maltase-glucoamylase with compounds from Salacia reticulata., Sim L, Jayakanthan K, Mohan S, Nasi R, Johnston BD, Pinto BM, Rose DR, Biochemistry. 2010 Jan 26;49(3):443-51. PMID:20039683
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (157 Kb) [Save to disk]
  • Biological Unit Coordinates (3l4u.pdb1.gz) 151 Kb
  • LPC: Ligand-Protein Contacts for 3L4U
  • CSU: Contacts of Structural Units for 3L4U
  • Structure Factors (1248 Kb)
  • Retrieve 3L4U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3L4U from S2C, [Save to disk]
  • Re-refined 3l4u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3L4U 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 3L4U
  • 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 3L4U, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3l4u] [3l4u_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3L4U: [PD ] by SMART
  • Other resources with information on 3L4U
  • Community annotation for 3L4U 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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