4Q56 Sugar Binding Protein date Apr 16, 2014
title Structure Of Helix Aspersa Agglutinin With Natural Glycosyla N-Acetyl-Alpha-D-Galactosamine (Galnac)
authors A.J.Pietrzyk, A.Bujacz, G.Bujacz
compound source
Molecule: Helix Aspersa Agglutinin (Haa)
Chain: A
Organism_scientific: Helix Aspersa
Organism_taxid: 6535
symmetry Space Group: H 3 2
R_factor 0.137 R_Free 0.168
length a length b length c angle alpha angle beta angle gamma
47.900 47.900 281.530 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.38 Å
ligand A2G, ACT, BMA, FUC, GAL, NA, NAG, PCA, ZN enzyme

Primary referenceStructural studies of Helix aspersa agglutinin complexed with GalNAc: A lectin that serves as a diagnostic tool., Pietrzyk AJ, Bujacz A, Mak P, Potempa B, Niedziela T, Int J Biol Macromol. 2015 Sep 28;81:1059-1068. doi:, 10.1016/j.ijbiomac.2015.09.044. PMID:26416237
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (4q56.pdb1.gz) 254 Kb
  • LPC: Ligand-Protein Contacts for 4Q56
  • CSU: Contacts of Structural Units for 4Q56
  • Structure Factors (561 Kb)
  • Retrieve 4Q56 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4Q56 from S2C, [Save to disk]
  • Re-refined 4q56 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4Q56 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 4Q56
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 4q56 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4q56] [4q56_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4Q56
  • Community annotation for 4Q56 at PDBWiki (http://pdbwiki.org)

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