1KBK Hydrolase date Nov 06, 2001
title Mechanistic Analyses Of Catalysis In Human Pancreatic Alpha- Detailed Kinetic And Structural Studies Of Mutants Of Three Carboxylic Acids
authors E.H.Rydberg, C.Li, R.Maurus, C.M.Overall, G.D.Brayer, S.G.Withers
compound source
Molecule: Alpha-Amylase, Pancreatic
Chain: A
Synonym: 1,4-Alpha-D-Glucan Glucanohydrolase, Pancreatic Al Amylase, Pa;
Ec: 3.2.1.1
Engineered: Yes
Mutation: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
symmetry Space Group: P 21 21 21
R_factor 0.171 R_Free 0.177
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.880 69.520 131.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand CA, CL, NAG, PCA enzyme Hydrolase E.C.3.2.1.1 BRENDA
related structures by homologous chain: 1DHK, 1KBB
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceMechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed kinetic and structural studies of mutants of three conserved carboxylic acids., Rydberg EH, Li C, Maurus R, Overall CM, Brayer GD, Withers SG, Biochemistry 2002 Apr 2;41(13):4492-502. PMID:11914097
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk]
  • Biological Unit Coordinates (1kbk.pdb1.gz) 81 Kb
  • LPC: Ligand-Protein Contacts for 1KBK
  • CSU: Contacts of Structural Units for 1KBK
  • Likely Quarternary Molecular Structure file(s) for 1KBK
  • Structure Factors (254 Kb)
  • Retrieve 1KBK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KBK from S2C, [Save to disk]
  • Re-refined 1kbk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1KBK 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 1KBK
  • 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 1KBK, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kbka2, region A:1-403 [Jmol] [rasmolscript] [script source]
        - Domain d1kbka1, 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: [1kbk] [1kbk_A]
  • SWISS-PROT database: [P04746]
  • Domain organization of [AMYP_HUMAN] by SWISSPFAM
  • Domains found in 1KBK: [Aamy] [Aamy_C ] by SMART
    • Other resources with information on 1KBK
  • Community annotation for 1KBK 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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