3E2X Lyase date Aug 06, 2008
title H. Influenzae Beta-Carbonic Anhydrase, Variant V47a
authors R.S.Rowlett, J.Lee
compound source
Molecule: Carbonic Anhydrase 2
Chain: A, B
Synonym: Carbonate Dehydratase 2
Ec: 4.2.1.1
Engineered: Yes
Mutation: Yes
Organism_scientific: Haemophilus Influenzae
Organism_taxid: 727
Gene: Can, Hi1301
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptrc99
symmetry Space Group: I 21 21 21
R_factor 0.211 R_Free 0.283
crystal
cell
length a length b length c angle alpha angle beta angle gamma
48.141 133.317 143.892 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.55 Å
ligand SO4, ZN enzyme Lyase E.C.4.2.1.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceEvidence for a bicarbonate "escort" site in Haemophilus influenzae beta-carbonic anhydrase ., Rowlett RS, Hoffmann KM, Failing H, Mysliwiec MM, Samardzic D, Biochemistry. 2010 May 4;49(17):3640-7. PMID:20359198
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk]
  • Biological Unit Coordinates (3e2x.pdb1.gz) 115 Kb
  • LPC: Ligand-Protein Contacts for 3E2X
  • CSU: Contacts of Structural Units for 3E2X
  • Structure Factors (238 Kb)
  • Retrieve 3E2X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3E2X from S2C, [Save to disk]
  • Re-refined 3e2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3E2X 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 3E2X
  • 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 3E2X, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3e2x_A] [3e2x_B] [3e2x]
  • SWISS-PROT database: [P45148]
  • Domain organization of [CAN_HAEIN] by SWISSPFAM
  • Domain found in 3E2X: [Pro_CA ] by SMART
  • Other resources with information on 3E2X
  • Community annotation for 3E2X 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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