1TEQ Lyase date May 25, 2004
title Effect Of Shuttle Location And Ph Environment On H+ Transfer Carbonic Anhydrase II
authors Z.Fisher, J.A.Hernandez Prada, C.K.Tu, D.Duda, C.Yoshioka, H.An, L.Govindasamy, D.N.Silverman, R.Mckenna
compound source
Molecule: Carbonic Anhydrase II
Chain: X
Synonym: Carbonate Dehydratase II, Ca-II, Carbonic Anhydras
Ec: 4.2.1.1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ca2
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 De3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet 31
symmetry Space Group: P 1 21 1
R_factor 0.134 R_Free 0.173
crystal
cell
length a length b length c angle alpha angle beta angle gamma
42.697 41.620 72.831 90.00 104.49 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand OH, ZN enzyme Lyase E.C.4.2.1.1 BRENDA
related structures by homologous chain: 1TB0, 1TEU
Gene
Ontology
ChainFunctionProcessComponent
X


Primary referenceStructural and kinetic characterization of active-site histidine as a proton shuttle in catalysis by human carbonic anhydrase II., Fisher Z, Hernandez Prada JA, Tu C, Duda D, Yoshioka C, An H, Govindasamy L, Silverman DN, McKenna R, Biochemistry 2005 Feb 1;44(4):1097-105. PMID:15667203
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk]
  • Biological Unit Coordinates (1teq.pdb1.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 1TEQ
  • CSU: Contacts of Structural Units for 1TEQ
  • Likely Quarternary Molecular Structure file(s) for 1TEQ
  • Structure Factors (124 Kb)
  • Retrieve 1TEQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1TEQ from S2C, [Save to disk]
  • Re-refined 1teq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1TEQ 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 1TEQ
  • 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 1TEQ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1teq_X] [1teq]
  • SWISS-PROT database: [P00918]
  • Domain organization of [CAH2_HUMAN] by SWISSPFAM
  • Domain found in 1TEQ: [Carb_anhydrase ] by SMART
  • Other resources with information on 1TEQ
  • Community annotation for 1TEQ 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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