1PZY Transferase Activator Transferase date Jul 14, 2003
title W314a-Beta1,4-Galactosyltransferase-I Complexed With Alpha-L In The Presence Of N-Acetylglucosamine, Udp And Manganese
authors V.Ramasamy, B.Ramakrishnan, E.Boeggeman, P.K.Qasba
compound source
Molecule: Alpha-Lactalbumin
Chain: A, C
Fragment: Regulatory Subunit Of Lactose Synthase
Synonym: Lactalbumin, Alpha
Engineered: Yes
Other_details: Chains A And B Form First, B And D Second La Synthase Complex;
 Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet171

Molecule: Beta-1,4-Galactosyltransferase
Chain: B, D
Fragment: Catalytic Domain, Residues 130-402
Synonym: B4gal-T1; Beta4gal-T1; Beta-1,4-Galtase 1; Beta-1,
Galactosyltransferase 1; Udp-Galactose: Beta-N-Acetylglucosa 1,4-Galactosyltransferase 1;
Ec: 2.4.1.22, 2.4.1.90, 2.4.1.38
Engineered: Yes
Mutation: Yes
Other_details: Chains C And D Form First, B And D Second La Synthase Complex
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet23a
Other_details: N-Terminal Carries A Tag Containing 13 Amino
symmetry Space Group: P 1 21 1
R_factor 0.207 R_Free 0.253
crystal
cell
length a length b length c angle alpha angle beta angle gamma
55.292 98.747 102.788 90.00 103.92 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand CA, MN, NAG, UDP enzyme Transferase E.C.2.4.1.22 BRENDA
related structures by homologous chain: 1HFY, 1HFZ, 1O0R, 1O23
Gene
Ontology
ChainFunctionProcessComponent
A, C


D, B


Primary referenceThe role of tryptophan 314 in the conformational changes of beta1,4-galactosyltransferase-I., Ramasamy V, Ramakrishnan B, Boeggeman E, Qasba PK, J Mol Biol 2003 Aug 29;331(5):1065-76. PMID:12927542
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (139 Kb) [Save to disk]
  • Biological Unit Coordinates (1pzy.pdb1.gz) 68 Kb
  • Biological Unit Coordinates (1pzy.pdb2.gz) 68 Kb
  • LPC: Ligand-Protein Contacts for 1PZY
  • CSU: Contacts of Structural Units for 1PZY
  • Likely Quarternary Molecular Structure file(s) for 1PZY
  • Structure Factors (374 Kb)
  • Retrieve 1PZY in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PZY from S2C, [Save to disk]
  • Re-refined 1pzy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1PZY 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 1PZY
  • 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 1PZY, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1pzya_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1pzyb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1pzyc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1pzyd_, region D [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: [1pzy_B] [1pzy_A] [1pzy_C] [1pzy_D] [1pzy]
  • SWISS-PROT database: [P08037] [P29752]
  • Domain organization of [B4GT1_BOVIN] [LALBA_MOUSE] by SWISSPFAM
  • Domain found in 1PZY: [LYZ1 ] by SMART
    • Other resources with information on 1PZY
  • Community annotation for 1PZY 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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