1KXT Hydrolase, Immune System date Feb 01, 2002
title Camelid Vhh Domains In Complex With Porcine Pancreatic Alpha
authors A.Desmyter, S.Spinelli, F.Payan, M.Lauwereys, L.Wyns, S.Muylderma C.Cambillau
compound source
Molecule: Alpha-Amylase, Pancreatic
Chain: A, C, E
Synonym: 1,4-Alpha-D-Glucan Glucanohydrolase
Ec: 3.2.1.1
Organism_scientific: Sus Scrofa
Organism_common: Pig
Organism_taxid: 9823
Other_details: Pancreatic Enzyme

Molecule: Immunoglobulin Vhh Fragment
Chain: B, D, F
Engineered: Yes

Organism_scientific: Camelus Dromedarius
Organism_common: Arabian Camel
Organism_taxid: 9838
Gene: Igg Vhh
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Wk6
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Phen6
symmetry Space Group: P 1 21 1
R_factor 0.203 R_Free 0.236
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.780 286.850 65.980 90.00 93.73 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CA, CL enzyme Hydrolase E.C.3.2.1.1 BRENDA
related structures by homologous chain: 1HIL, 1KGX, 1WO2
Gene
Ontology
ChainFunctionProcessComponent
A, C, E


Primary referenceThree camelid VHH domains in complex with porcine pancreatic alpha-amylase. Inhibition and versatility of binding topology., Desmyter A, Spinelli S, Payan F, Lauwereys M, Wyns L, Muyldermans S, Cambillau C, J Biol Chem 2002 Jun 28;277(26):23645-50. PMID:11960990
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (321 Kb) [Save to disk]
  • Biological Unit Coordinates (1kxt.pdb1.gz) 109 Kb
  • Biological Unit Coordinates (1kxt.pdb2.gz) 108 Kb
  • Biological Unit Coordinates (1kxt.pdb3.gz) 109 Kb
  • LPC: Ligand-Protein Contacts for 1KXT
  • CSU: Contacts of Structural Units for 1KXT
  • Likely Quarternary Molecular Structure file(s) for 1KXT
  • Structure Factors (558 Kb)
  • Retrieve 1KXT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KXT from S2C, [Save to disk]
  • Re-refined 1kxt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KXT 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 1KXT
  • 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 1KXT, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kxta2, region A:1-403 [Jmol] [rasmolscript] [script source]
        - Domain d1kxta1, region A:404-496 [Jmol] [rasmolscript] [script source]
        - Domain d1kxtb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1kxtc2, region C:1-403 [Jmol] [rasmolscript] [script source]
        - Domain d1kxtc1, region C:404-496 [Jmol] [rasmolscript] [script source]
        - Domain d1kxtd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1kxte2, region E:1-403 [Jmol] [rasmolscript] [script source]
        - Domain d1kxte1, region E:404-496 [Jmol] [rasmolscript] [script source]
        - Domain d1kxtf_, region F [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: [1kxt_D] [1kxt_B] [1kxt_E] [1kxt_C] [1kxt] [1kxt_F] [1kxt_A]
  • SWISS-PROT database: [P00690]
  • Domain organization of [AMYP_PIG] by SWISSPFAM
  • Domains found in 1KXT: [Aamy] [Aamy_C] [IGv ] by SMART
  • Other resources with information on 1KXT
  • Community annotation for 1KXT at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science