1SLX Complex (Serine Protease Inhibitor) date Feb 07, 1996
title Rat Anionic N143h, E151h Trypsin Complexed To A86h Ecotin; Z
authors L.S.Brinen, R.J.Fletterick
compound source
Molecule: Ecotin
Chain: A
Synonym: Trypsin Inhibitor
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Rat Anionic Trypsin
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Ptactac
Expression_system_gene: Ecotin

Molecule: Anionic Trypsin
Chain: B
Engineered: Yes
Mutation: Yes

Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Rat Anionic Trypsin
Expression_system: Saccharomyces Cerevisiae
Expression_system_common: Baker'S Yeast
Expression_system_taxid: 4932
Expression_system_plasmid: Pst
Expression_system_gene: Rat Anionic Trypsin
symmetry Space Group: C 1 2 1
R_factor 0.173 R_Free 0.267
length a length b length c angle alpha angle beta angle gamma
85.980 56.280 81.860 90.00 92.18 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand ACT, CA, ZN enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1ANE, 1ECY, 1FI8, 4TPI
  • serine-type endopeptidase in...

  • B

    Primary referenceX-ray structures of a designed binding site in trypsin show metal-dependent geometry., Brinen LS, Willett WS, Craik CS, Fletterick RJ, Biochemistry 1996 May 14;35(19):5999-6009. PMID:8634241
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk]
  • Biological Unit Coordinates (1slx.pdb1.gz) 112 Kb
  • LPC: Ligand-Protein Contacts for 1SLX
  • CSU: Contacts of Structural Units for 1SLX
  • Likely Quarternary Molecular Structure file(s) for 1SLX
  • Retrieve 1SLX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SLX from S2C, [Save to disk]
  • View 1SLX 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 1SLX
  • 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
  • 3D motif for 1SLX, from MSDmotif at EBI
  • Genome occurence of 1SLX's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1slxa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1slxb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1slx from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1slx_B] [1slx] [1slx_A]
  • SWISS-PROT database: [P23827] [P00763]
  • Domain organization of [ECOT_ECOLI] [TRY2_RAT] by SWISSPFAM
  • Domain found in 1SLX: [Tryp_SPc ] by SMART
  • Other resources with information on 1SLX
  • Community annotation for 1SLX 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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