1B12 Hydrolase date Nov 24, 1999
title Crystal Structure Of Type 1 Signal Peptidase From Escherichi Complex With A Beta-Lactam Inhibitor
authors M.Paetzel, R.Dalbey, N.C.J.Strynadka
compound source
Molecule: Signal Peptidase I
Chain: A, B, C, D
Fragment: Catalytic Domain
Synonym: Spase I, Leader Peptidase I
Ec: 3.4.21.89
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 469008
Strain: Bl21(De3)
Cellular_location: Periplasm
Gene: Lepb
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_cellular_location: Periplasm
Expression_system_plasmid: Pet 3b
Expression_system_gene: Lepb
symmetry Space Group: P 21 21 2
R_factor 0.220 R_Free 0.246
crystal
cell
length a length b length c angle alpha angle beta angle gamma
110.700 113.200 99.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.95 Å
ligand 1PN, PO4 enzyme Hydrolase E.C.3.4.21.89 BRENDA
related structures by homologous chain: 1GGH, 1KN9
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceCrystal structure of a bacterial signal peptidase in complex with a beta-lactam inhibitor., Paetzel M, Dalbey RE, Strynadka NC, Nature 1998 Nov 12;396(6707):186-90. PMID:9823901
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk]
  • Biological Unit Coordinates (1b12.pdb1.gz) 43 Kb
  • Biological Unit Coordinates (1b12.pdb2.gz) 38 Kb
  • Biological Unit Coordinates (1b12.pdb3.gz) 41 Kb
  • Biological Unit Coordinates (1b12.pdb4.gz) 40 Kb
  • LPC: Ligand-Protein Contacts for 1B12
  • CSU: Contacts of Structural Units for 1B12
  • Likely Quarternary Molecular Structure file(s) for 1B12
  • Retrieve 1B12 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B12 from S2C, [Save to disk]
  • View 1B12 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 1B12
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1B12, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b12a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1b12b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1b12c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1b12d_, region D [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: [1b12_D] [1b12_A] [1b12_B] [1b12_C] [1b12]
  • SWISS-PROT database: [P00803]
  • Domain organization of [LEP_ECOLI] by SWISSPFAM
  • Other resources with information on 1B12
  • Community annotation for 1B12 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science