1SLL Hydrolase date Oct 14, 1997
title Sialidase L From Leech Macrobdella Decora
authors Y.Luo, S.C.Li, M.Y.Chou, Y.T.Li, M.Luo
compound source
Molecule: Sialidase L
Chain: A
Fragment: Devoid Of N-Terminal 28 Residues
Ec: 3.2.1.18
Engineered: Yes
Organism_scientific: Macrobdella Decora
Organism_common: North American Leech
Organism_taxid: 6405
Gene: T7
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21
Expression_system_variant: De3
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet 15b
Expression_system_plasmid: E2-M10
Expression_system_gene: T7
symmetry Space Group: P 1
R_factor 0.167 R_Free 0.224
crystal
cell
length a length b length c angle alpha angle beta angle gamma
46.364 69.275 72.469 113.48 95.41 107.31
method X-Ray Diffractionresolution 2.00 Å
ligand
enzyme Hydrolase E.C.3.2.1.18 BRENDA
related structures by homologous chain: 1SLI, 4SLI
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceThe crystal structure of an intramolecular trans-sialidase with a NeuAc alpha2-->3Gal specificity., Luo Y, Li SC, Chou MY, Li YT, Luo M, Structure 1998 Apr 15;6(4):521-30. PMID:9562562
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (120 Kb) [Save to disk]
  • Biological Unit Coordinates (1sll.pdb1.gz) 116 Kb
  • CSU: Contacts of Structural Units for 1SLL
  • Likely Quarternary Molecular Structure file(s) for 1SLL
  • Structure Factors (357 Kb)
  • Retrieve 1SLL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SLL from S2C, [Save to disk]
  • Re-refined 1sll structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SLL 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 1SLL
  • 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 1SLL, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sll_2, region 277-759 [Jmol] [rasmolscript] [script source]
        - Domain d1sll_1, region 81-276 [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: [1sll] [1sll_A]
  • SWISS-PROT database: [Q27701]
  • Domain organization of [NANL_MACDE] by SWISSPFAM
  • Domain found in 1SLL: [LamG ] by SMART
  • Other resources with information on 1SLL
  • Community annotation for 1SLL 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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