1O7A Hydrolase date Oct 29, 2002
title Human Beta-Hexosaminidase B
authors T.Maier, N.Strater, C.Schuette, R.Klingenstein, K.Sandhoff, W.Sae
compound source
Molecule: Beta-Hexosaminidase Beta Chain
Chain: A, B, C, D, E, F
Fragment: 42-556
Synonym: Beta-N-Acetylhexosaminidase, Hexosaminidase B, N-A Beta-Glucosaminidase;
Ec: 3.2.1.52
Engineered: Yes
Other_details: Recombinantly Expressed Fragment Composed Of 42-556, N-Terminus Of Mature Human Enzyme Is Between Residu
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108
Expression_system_cell_line: Sf21
Expression_system_vector_type: Baculovirus
Expression_system_plasmid: Pacym-1beta
symmetry Space Group: P 31 2 1
R_factor 0.196 R_Free 0.236
crystal
cell
length a length b length c angle alpha angle beta angle gamma
163.931 163.931 244.717 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.25 Å
ligand EDO, GDL, NAG enzyme Hydrolase E.C.3.2.1.52 BRENDA
related structures by homologous chain: 1NOU, 1NOW
Gene
Ontology
ChainFunctionProcessComponent
F, A, D, C, E, B


Primary referenceThe X-ray crystal structure of human beta-hexosaminidase B provides new insights into Sandhoff disease., Maier T, Strater N, Schuette CG, Klingenstein R, Sandhoff K, Saenger W, J Mol Biol 2003 May 2;328(3):669-81. PMID:12706724
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (537 Kb) [Save to disk]
  • Biological Unit Coordinates (1o7a.pdb1.gz) 177 Kb
  • Biological Unit Coordinates (1o7a.pdb2.gz) 175 Kb
  • Biological Unit Coordinates (1o7a.pdb3.gz) 180 Kb
  • Biological Unit Coordinates (1o7a.pdb4.gz) 177 Kb
  • LPC: Ligand-Protein Contacts for 1O7A
  • CSU: Contacts of Structural Units for 1O7A
  • Likely Quarternary Molecular Structure file(s) for 1O7A
  • Structure Factors (1334 Kb)
  • Retrieve 1O7A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1O7A from S2C, [Save to disk]
  • Re-refined 1o7a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1O7A 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 1O7A
  • 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 1O7A, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1o7aa1, region A:200-554 [Jmol] [rasmolscript] [script source]
        - Domain d1o7aa2, region A:54-199 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ab1, region B:200-554 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ab2, region B:54-199 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ac1, region C:200-554 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ac2, region C:54-199 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ad1, region D:200-553 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ad2, region D:54-199 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ae1, region E:200-554 [Jmol] [rasmolscript] [script source]
        - Domain d1o7ae2, region E:54-199 [Jmol] [rasmolscript] [script source]
        - Domain d1o7af1, region F:200-554 [Jmol] [rasmolscript] [script source]
        - Domain d1o7af2, region F:54-199 [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: [1o7a_C] [1o7a] [1o7a_A] [1o7a_F] [1o7a_E] [1o7a_B] [1o7a_D]
  • SWISS-PROT database: [P07686]
  • Domain organization of [HEXB_HUMAN] by SWISSPFAM
    • Other resources with information on 1O7A
  • Community annotation for 1O7A 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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