1NOU Hydrolase date Jan 16, 2003
title Native Human Lysosomal Beta-Hexosaminidase Isoform B
authors B.L.Mark, D.J.Mahuran, M.M.Cherney, D.Zhao, S.Knapp, M.N.G.James
compound source
Molecule: Beta-Hexosaminidase Beta Chain
Chain: A, B
Synonym: N-Acetyl-Beta-Glucosaminidase, Beta-N-Acetylhexosa Hexosaminidase B;
Ec: 3.2.1.52
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Placenta
symmetry Space Group: P 61 2 2
R_factor 0.201 R_Free 0.231
crystal
cell
length a length b length c angle alpha angle beta angle gamma
112.465 112.465 397.867 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.40 Å
ligand GOL, NAG, SO4 enzyme Hydrolase E.C.3.2.1.52 BRENDA
related structures by homologous chain: 1NP0, 1O7A
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of human beta-hexosaminidase B: understanding the molecular basis of Sandhoff and Tay-Sachs disease., Mark BL, Mahuran DJ, Cherney MM, Zhao D, Knapp S, James MN, J Mol Biol 2003 Apr 11;327(5):1093-109. PMID:12662933
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (162 Kb) [Save to disk]
  • Biological Unit Coordinates (1nou.pdb1.gz) 157 Kb
  • Biological Unit Coordinates (1nou.pdb2.gz) 157 Kb
  • LPC: Ligand-Protein Contacts for 1NOU
  • CSU: Contacts of Structural Units for 1NOU
  • Likely Quarternary Molecular Structure file(s) for 1NOU
  • Structure Factors (450 Kb)
  • Retrieve 1NOU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NOU from S2C, [Save to disk]
  • Re-refined 1nou structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1NOU 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 1NOU
  • 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 1NOU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1noua1, region A:200-552 [Jmol] [rasmolscript] [script source]
        - Domain d1noua2, region A:55-199 [Jmol] [rasmolscript] [script source]
        - Domain d1noub1, region B:200-552 [Jmol] [rasmolscript] [script source]
        - Domain d1noub2, region B:55-199 [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: [1nou] [1nou_A] [1nou_B]
  • SWISS-PROT database: [P07686]
  • Domain organization of [HEXB_HUMAN] by SWISSPFAM
  • Other resources with information on 1NOU
  • Community annotation for 1NOU 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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