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Structure paper

TitleThe ternary structure of double-headed arrowhead protease inhibitor API-A complexed with two trypsins reveals a novel reactive site conformation.
Journal, issue, pagesJ. Biol. Chem., Vol. 284, Page 26676-26684, Year 2009
Publish dateAug 20, 2008 (structure data deposition date)
AuthorsBao, R. / Zhou, C.Z. / Jiang, C.-H. / Lin, S.X. / Chi, C.W. / Chen, Y.X.
External linksJ. Biol. Chem. / PubMed:19640842
MethodsX-ray diffraction
Resolution2.48 Å
Structure data

PDB-3e8l:
The Crystal Structure of the Double-headed Arrowhead Protease Inhibitor A in Complex with Two Trypsins
Method: X-RAY DIFFRACTION / Resolution: 2.48 Å

Chemicals

ChemComp-GOL:
GLYCEROL

ChemComp-ACT:
ACETATE ION

ChemComp-SO4:
SULFATE ION

ChemComp-NA:
Unknown entry

ChemComp-CA:
Unknown entry

ChemComp-EDO:
1,2-ETHANEDIOL

ChemComp-PEG:
DI(HYDROXYETHYL)ETHER

ChemComp-HOH:
WATER

Source
  • sagittaria sagittifolia (Old World arrowhead)
  • bos taurus (cattle)
KeywordsHYDROLASE INHIBITOR/HYDROLASE / beta-trefoil fold / protease inhibitor / trypsin / complex / Digestion / Hydrolase / Metal-binding / Protease / Secreted / Serine protease / Zymogen / HYDROLASE INHIBITOR-HYDROLASE COMPLEX

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