1QW9 Hydrolase date Sep 01, 2003
title Crystal Structure Of A Family 51 Alpha-L-Arabinofuranosidase Complex With 4-Nitrophenyl-Ara
authors K.Hoevel, D.Shallom, K.Niefind, V.Belakhov, G.Shoham, T.Bassov, Y. D.Schomburg
compound source
Molecule: Alpha-L-Arabinofuranosidase
Chain: A, B
Synonym: Arabinosidase
Ec: 3.2.1.55
Engineered: Yes
Mutation: Yes
Organism_scientific: Geobacillus Stearothermophilus
Organism_taxid: 1422
Gene: Abfa
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet9d
symmetry Space Group: H 3
R_factor 0.160 R_Free 0.179
crystal
cell
length a length b length c angle alpha angle beta angle gamma
179.311 179.311 100.397 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.20 Å
ligand KHP enzyme Hydrolase E.C.3.2.1.55 BRENDA
related structures by homologous chain: 1PZ3
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure and snapshots along the reaction pathway of a family 51 alpha-L-arabinofuranosidase., Hovel K, Shallom D, Niefind K, Belakhov V, Shoham G, Baasov T, Shoham Y, Schomburg D, EMBO J 2003 Oct 1;22(19):4922-32. PMID:14517232
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (376 Kb) [Save to disk]
  • Biological Unit Coordinates (1qw9.pdb1.gz) 1103 Kb
  • LPC: Ligand-Protein Contacts for 1QW9
  • CSU: Contacts of Structural Units for 1QW9
  • Likely Quarternary Molecular Structure file(s) for 1QW9
  • Structure Factors (5195 Kb)
  • Retrieve 1QW9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QW9 from S2C, [Save to disk]
  • Re-refined 1qw9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QW9 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 1QW9
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1QW9 1QW9A 1QW9B from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1QW9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qw9a2, region A:18-384 [Jmol] [rasmolscript] [script source]
        - Domain d1qw9a1, region A:5-17,A:385-501 [Jmol] [rasmolscript] [script source]
        - Domain d1qw9b2, region B:18-384 [Jmol] [rasmolscript] [script source]
        - Domain d1qw9b1, region B:5-17,B:385-501 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1qw9_B] [1qw9_A] [1qw9]
  • SWISS-PROT database: [Q9XBQ3]
  • Domain organization of [ABFA_BACST] by SWISSPFAM
  • Domain found in 1QW9: [Alpha-L-AF_C ] by SMART
  • Other resources with information on 1QW9
  • Community annotation for 1QW9 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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