2AAA Glycosidase date Feb 27, 1991
title Calcium Binding In Alpha-Amylases: An X-Ray Diffraction Stud Angstroms Resolution Of Two Enzymes From Aspergillus
authors L.Brady, A.M.Brzozowski, Z.Derewenda, E.J.Dodson, G.G.Dodson
compound source
Molecule: Alpha-Amylase
Chain: A
Ec: 3.2.1.1
Engineered: Yes
 Organism_scientific: Aspergillus Niger
Organism_taxid: 5061
symmetry Space Group: C 2 2 21
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
81.100 98.300 138.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.12 Å
ligand CA enzyme Hydrolase E.C.3.2.1.1 BRENDA
related structures by homologous chain: 6TAA, 7TAA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCalcium binding in alpha-amylases: an X-ray diffraction study at 2.1-A resolution of two enzymes from Aspergillus., Boel E, Brady L, Brzozowski AM, Derewenda Z, Dodson GG, Jensen VJ, Petersen SB, Swift H, Thim L, Woldike HF, Biochemistry 1990 Jul 3;29(26):6244-9. PMID:2207069
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (85 Kb) [Save to disk]
  • Biological Unit Coordinates (2aaa.pdb1.gz) 81 Kb
  • LPC: Ligand-Protein Contacts for 2AAA
  • CSU: Contacts of Structural Units for 2AAA
  • Likely Quarternary Molecular Structure file(s) for 2AAA
  • Structure Factors (365 Kb)
  • Retrieve 2AAA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2AAA from S2C, [Save to disk]
  • Re-refined 2aaa structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2AAA 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 2AAA
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2AAA, from MSDmotif at EBI
  • Genome occurence of 2AAA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2aaa_2, region 1-381 [Jmol] [rasmolscript] [script source]
        - Domain d2aaa_1, region 382-476 [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: [2aaa] [2aaa_A]
  • SWISS-PROT database: [P56271]
  • Domain organization of [AMYA_ASPNG] by SWISSPFAM
  • Domain found in 2AAA: [Aamy ] by SMART
    • Other resources with information on 2AAA
  • Community annotation for 2AAA at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Domain movements in 2AAA from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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