1G94 Hydrolase date Nov 22, 2000
title Crystal Structure Analysis Of The Ternary Complex Between Psychrophilic Alpha Amylase From Pseudoalteromonas Haloplan Complex With A Hepta-Saccharide And A Tris Molecule
authors N.Aghajari, M.Roth, R.Haser
compound source
Molecule: Alpha-Amylase
Chain: A
Synonym: 1,4-Alpha-D-Glucan Glucanohydrolase
Ec: 3.2.1.1
Organism_scientific: Pseudoalteromonas Haloplanktis
Organism_taxid: 228
Strain: A23
symmetry Space Group: C 2 2 21
R_factor 0.156 R_Free 0.187
crystal
cell
length a length b length c angle alpha angle beta angle gamma
71.010 139.960 115.890 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.74 Å
ligand CA, CL, DAF, GLC, TRS enzyme Hydrolase E.C.3.2.1.1 BRENDA
related structures by homologous chain: 1G9H
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystallographic evidence of a transglycosylation reaction: ternary complexes of a psychrophilic alpha-amylase., Aghajari N, Roth M, Haser R, Biochemistry 2002 Apr 2;41(13):4273-80. PMID:11914073
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk]
  • Biological Unit Coordinates (1g94.pdb1.gz) 77 Kb
  • LPC: Ligand-Protein Contacts for 1G94
  • CSU: Contacts of Structural Units for 1G94
  • Likely Quarternary Molecular Structure file(s) for 1G94
  • Structure Factors (349 Kb)
  • Retrieve 1G94 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1G94 from S2C, [Save to disk]
  • Re-refined 1g94 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1G94 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 1G94
  • 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 1G94, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1g94a2, region A:1-354 [Jmol] [rasmolscript] [script source]
        - Domain d1g94a1, region A:355-448 [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: [1g94] [1g94_A]
  • SWISS-PROT database: [P29957]
  • Domain organization of [AMY_PSEHA] by SWISSPFAM
  • Domains found in 1G94: [Aamy] [Aamy_C ] by SMART
  • Other resources with information on 1G94
  • Community annotation for 1G94 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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