3CPU Hydrolase date Jun 08, 1999
title Subsite Mapping Of The Active Site Of Human Pancreatic Alpha Using Substrates, The Pharmacological Inhibitor Acarbose, A Active Site Variant
authors G.D.Brayer, G.Sidhu, R.Maurus, E.H.Rydberg, C.Braun, Y.Wang, N.T.N C.M.Overall, S.G.Withers
compound source
Molecule: Pancreatic Alpha-Amylase
Chain: A
Synonym: Pa,1,4-Alpha-D-Glucan Glucanohydrolase
Ec: 3.2.1.1
Engineered: Yes
Mutation: Yes
Other_details: A Part Of Acarbose Inhibitor, Disaccharide G Glc(500) Chain B, Observed At Active Site
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Pancreas
Gene: Amy2a
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
symmetry Space Group: P 21 21 21
R_factor 0.179 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.910 75.390 136.120 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CA, CL, GLC, PCA enzyme Hydrolase E.C.3.2.1.1 BRENDA
related structures by homologous chain: 1BSI, 1XD0
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceSubsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques., Brayer GD, Sidhu G, Maurus R, Rydberg EH, Braun C, Wang Y, Nguyen NT, Overall CM, Withers SG, Biochemistry 2000 Apr 25;39(16):4778-91. PMID:10769135
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk]
  • Biological Unit Coordinates (3cpu.pdb1.gz) 83 Kb
  • LPC: Ligand-Protein Contacts for 3CPU
  • CSU: Contacts of Structural Units for 3CPU
  • Likely Quarternary Molecular Structure file(s) for 3CPU
  • Retrieve 3CPU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3CPU from S2C, [Save to disk]
  • View 3CPU 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 3CPU
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3CPU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3cpua2, region A:1-403 [Jmol] [rasmolscript] [script source]
        - Domain d3cpua1, region A:404-496 [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: [3cpu_A] [3cpu]
  • SWISS-PROT database: [P04746]
  • Domain organization of [AMYP_HUMAN] by SWISSPFAM
  • Domains found in 3CPU: [Aamy] [Aamy_C ] by SMART
  • Other resources with information on 3CPU
  • Community annotation for 3CPU 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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