1SMA Hydrolase date Apr 21, 1999
title Crystal Structure Of A Maltogenic Amylase
authors J.S.Kim, S.S.Cha, B.H.Oh
compound source
Molecule: Maltogenic Amylase
Chain: A, B
Fragment: N-Domain, Barrel, C-Domain
 Organism_scientific: Thermus Sp. Im6501
Organism_taxid: 75891
Strain: M6501
symmetry Space Group: P 61
R_factor 0.209 R_Free 0.267
crystal
cell
length a length b length c angle alpha angle beta angle gamma
118.370 118.370 266.700 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.80 Å
related structures by homologous chain: 1J0J
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of a maltogenic amylase provides insights into a catalytic versatility., Kim JS, Cha SS, Kim HJ, Kim TJ, Ha NC, Oh ST, Cho HS, Cho MJ, Kim MJ, Lee HS, Kim JW, Choi KY, Park KH, Oh BH, J Biol Chem 1999 Sep 10;274(37):26279-86. PMID:10473583
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (197 Kb) [Save to disk]
  • Biological Unit Coordinates (1sma.pdb1.gz) 192 Kb
  • CSU: Contacts of Structural Units for 1SMA
  • Likely Quarternary Molecular Structure file(s) for 1SMA
  • Structure Factors (410 Kb)
  • Retrieve 1SMA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SMA from S2C, [Save to disk]
  • Re-refined 1sma structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1SMA 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 1SMA
  • 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 1SMA, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1smaa1, region A:1-123 [Jmol] [rasmolscript] [script source]
        - Domain d1smaa3, region A:124-505 [Jmol] [rasmolscript] [script source]
        - Domain d1smaa2, region A:506-588 [Jmol] [rasmolscript] [script source]
        - Domain d1smab1, region B:1-123 [Jmol] [rasmolscript] [script source]
        - Domain d1smab3, region B:124-505 [Jmol] [rasmolscript] [script source]
        - Domain d1smab2, region B:506-588 [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: [1sma_A] [1sma] [1sma_B]
  • SWISS-PROT database: [O69007]
  • Domain organization of [O69007_9DEIN] by SWISSPFAM
  • Domain found in 1SMA: [Aamy ] by SMART
    • Other resources with information on 1SMA
  • Community annotation for 1SMA 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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