1SEK Serine Protease Inhibitor date Mar 06, 1998
title The Structure Of Active Serpin K From Manduca Sexta And A Mo Serpin-Protease Complex Formation
authors J.Li, Z.Wang, B.Canagarajah, H.Jiang, M.Kanost, E.J.Goldsmith
compound source
Molecule: Serpin K
Chain: A
Engineered: Yes
Organism_scientific: Manduca Sexta
Organism_common: Tobacco Hornworm
Organism_taxid: 7130
Tissue: Hemolymph
Cellular_location: Extracellular
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Xl1-Blue
Expression_system_cellular_location: Cytoplasm
Expression_system_plasmid: H6pqe-60
symmetry Space Group: C 1 2 1
R_factor 0.199 R_Free 0.260
crystal
cell
length a length b length c angle alpha angle beta angle gamma
125.960 42.050 76.050 90.00 117.60 90.00
method X-Ray Diffractionresolution 2.10 Å
related structures by homologous chain: 1K9O
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceThe structure of active serpin 1K from Manduca sexta., Li J, Wang Z, Canagarajah B, Jiang H, Kanost M, Goldsmith EJ, Structure Fold Des 1999 Jan 15;7(1):103-9. PMID:10368276
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk]
  • Biological Unit Coordinates (1sek.pdb1.gz) 126 Kb
  • CSU: Contacts of Structural Units for 1SEK
  • Likely Quarternary Molecular Structure file(s) for 1SEK
  • Retrieve 1SEK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SEK from S2C, [Save to disk]
  • View 1SEK 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 1SEK
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SEK, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sek__, region [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: [1sek_A] [1sek]
  • SWISS-PROT database: [Q25526] [P14754]
  • Domain organization of [Q25526_MANSE] [SERA_MANSE] by SWISSPFAM
  • Domain found in 1SEK: [SERPIN ] by SMART
  • Other resources with information on 1SEK
  • Community annotation for 1SEK 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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