1XQ0 Lyase date Oct 11, 2004
title Structure Of Human Carbonic Anhydrase II With 4-[(3-Bromo-4- Sulfamoylbenzyl)(4-Cyanophenyl)Amino]-4h-[1,2,4]-Triazole
authors M.D.Lloyd, N.Thiyagarajan, Y.T.Ho, L.W.L.Woo, O.B.Sutcliffe, A.Pu M.J.Reed, K.R.Acharya, B.V.L.Potter
compound source
Molecule: Carbonic Anhydrase II
Chain: A
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: Paca
symmetry Space Group: P 21 21 21
R_factor 0.194 R_Free 0.209
crystal
cell
length a length b length c angle alpha angle beta angle gamma
42.551 72.656 75.103 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.76 Å
ligand 4TR, ZN BindingDB enzyme Lyase E.C.4.2.1.1 BRENDA
related structures by homologous chain: 1LG5, 1RZB
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceFirst Crystal Structures of Human Carbonic Anhydrase II in Complex with Dual Aromatase-Steroid Sulfatase Inhibitors(,)., Lloyd MD, Thiyagarajan N, Ho YT, Woo LW, Sutcliffe OB, Purohit A, Reed MJ, Acharya KR, Potter BV, Biochemistry 2005 May 10;44(18):6858-6866. PMID:15865431
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (1xq0.pdb1.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 1XQ0
  • CSU: Contacts of Structural Units for 1XQ0
  • Likely Quarternary Molecular Structure file(s) for 1XQ0
  • Structure Factors (383 Kb)
  • Retrieve 1XQ0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XQ0 from S2C, [Save to disk]
  • Re-refined 1xq0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XQ0 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 1XQ0
  • 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 1XQ0, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xq0] [1xq0_A]
  • SWISS-PROT database: [P00918]
  • Domain organization of [CAH2_HUMAN] by SWISSPFAM
  • Domain found in 1XQ0: [Carb_anhydrase ] by SMART
  • Other resources with information on 1XQ0
  • Community annotation for 1XQ0 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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