2A39 Endoglucanase date Jan 30, 1998
title Humicola Insolens Endocellulase Egi Native Structure
authors G.J.Davies, G.Sulzenbacher, L.Mackenzie, S.G.Withers, C.Divne, T. H.F.Woldike, M.Schulein
compound source
Molecule: Endoglucanase I
Chain: A, B
Synonym: Cellulase, Family 7 Endoglucanase
Ec: 3.2.1.4
Engineered: Yes
Other_details: Pyroglutamate Post-Translational Modificatio Residue 1 N-Linked N-Acetylglucosamine On Residue Asn 247
Organism_scientific: Humicola Insolens
Organism_taxid: 34413
Gene: Potential
Expression_system: Aspergillus Oryzae
Expression_system_taxid: 5062
symmetry Space Group: P 41 2 2
R_factor 0.180 R_Free 0.230
crystal
cell
length a length b length c angle alpha angle beta angle gamma
102.900 102.900 282.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand NAG, PCA enzyme Hydrolase E.C.3.2.1.4 BRENDA
related structures by homologous chain: 1A39
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of the family 7 endoglucanase I (Cel7B) from Humicola insolens at 2.2 A resolution and identification of the catalytic nucleophile by trapping of the covalent glycosyl-enzyme intermediate., MacKenzie LF, Sulzenbacher G, Divne C, Jones TA, Woldike HF, Schulein M, Withers SG, Davies GJ, Biochem J 1998 Oct 15;335 ( Pt 2):409-16. PMID:9761741
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (138 Kb) [Save to disk]
  • Biological Unit Coordinates (2a39.pdb1.gz) 68 Kb
  • Biological Unit Coordinates (2a39.pdb2.gz) 68 Kb
  • LPC: Ligand-Protein Contacts for 2A39
  • CSU: Contacts of Structural Units for 2A39
  • Likely Quarternary Molecular Structure file(s) for 2A39
  • Structure Factors (590 Kb)
  • Retrieve 2A39 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A39 from S2C, [Save to disk]
  • Re-refined 2a39 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2A39 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 2A39
  • 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 2A39, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2a39a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d2a39b_, region B [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: [2a39_B] [2a39_A] [2a39]
  • SWISS-PROT database: [P56680]
  • Domain organization of [GUN1_HUMIN] by SWISSPFAM
  • Other resources with information on 2A39
  • Community annotation for 2A39 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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