1JZ3 Hydrolase date Sep 13, 2001
title E. Coli (Lacz) Beta-Galactosidase-Trapped 2-Deoxy-Galactosyl Intermediate
authors D.H.Juers, B.W.Matthews
compound source
Molecule: Beta-Galactosidase
Chain: A, B, C, D
Synonym: Lactase; Lacz; Beta-D-Galactosidase
Ec: 3.2.1.23
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Lacz
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet15b
symmetry Space Group: P 21 21 21
R_factor 0.158 R_Free 0.222
crystal
cell
length a length b length c angle alpha angle beta angle gamma
149.560 168.190 200.690 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.75 Å
ligand 2DG, BTB, DMS, MG, NA enzyme Hydrolase E.C.3.2.1.23 BRENDA
related structures by homologous chain: 1DP0, 1JYX
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceA structural view of the action of Escherichia coli (lacZ) beta-galactosidase., Juers DH, Heightman TD, Vasella A, McCarter JD, Mackenzie L, Withers SG, Matthews BW, Biochemistry 2001 Dec 11;40(49):14781-94. PMID:11732897
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (745 Kb) [Save to disk]
  • Biological Unit Coordinates (1jz3.pdb1.gz) 731 Kb
  • LPC: Ligand-Protein Contacts for 1JZ3
  • CSU: Contacts of Structural Units for 1JZ3
  • Likely Quarternary Molecular Structure file(s) for 1JZ3
  • Structure Factors (3751 Kb)
  • Retrieve 1JZ3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1JZ3 from S2C, [Save to disk]
  • Re-refined 1jz3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1JZ3 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 1JZ3
  • 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 1JZ3, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1jz3a3, region A:13-219 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3a1, region A:220-333 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3a5, region A:334-625 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3a2, region A:626-730 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3a4, region A:731-1023 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3b3, region B:13-219 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3b1, region B:220-333 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3b5, region B:334-625 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3b2, region B:626-730 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3b4, region B:731-1023 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3c3, region C:13-219 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3c1, region C:220-333 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3c5, region C:334-625 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3c2, region C:626-730 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3c4, region C:731-1023 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3d3, region D:13-219 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3d1, region D:220-333 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3d5, region D:334-625 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3d2, region D:626-730 [Jmol] [rasmolscript] [script source]
        - Domain d1jz3d4, region D:731-1023 [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: [1jz3] [1jz3_D] [1jz3_B] [1jz3_A] [1jz3_C]
  • SWISS-PROT database: [P00722]
  • Domain organization of [BGAL_ECOLI] by SWISSPFAM
  • Domain found in 1JZ3: [Bgal_small_N ] by SMART
  • Other resources with information on 1JZ3
  • Community annotation for 1JZ3 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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