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beta-Hydroxyasparag...
beta-Hydroxyasparagine in domains homologous to the epidermal growth factor precursor in vitamin K-dependent protein S
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- Stenflo, Johan (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups
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- Lundwall, Åke (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups
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- Dahlbäck, Björn (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups
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(creator_code:org_t)
- 1987
- 1987
- Engelska.
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Ingår i: Proc Natl Acad Sci U S A. ; 84:2, s. 72-368
- Relaterad länk:
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http://www.ncbi.nlm.... (free)
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Abstract
Ämnesord
Stäng
- Vitamin K-dependent protein S is involved in the regulation of blood coagulation. It is a 75-kDa single chain protein with an NH2-terminal gamma-carboxyglutamic acid-containing domain followed by a thrombin-sensitive region and four domains arranged in tandem, each of which is homologous to the epidermal growth factor (EGF) precursor. The NH2-terminal EGF-like domain contains beta-hydroxyaspartic acid, which has been identified in vitamin K-dependent proteins. The following EGF-like repeat has a very pronounced sequence homology (10 consecutive residues identical) to one of the EGF-like units in the EGF precursor. We now show that, in protein S, this EGF-like repeat has one beta-hydroxyasparagine residue formed by hydroxylation of asparagine. The two COOH-terminal EGF-like repeats also contain beta-hydroxyasparagine, an amino acid not previously found in proteins. Sequence comparisons have enabled us to identify a consensus sequence that seems to be required by the hydroxylase(s).
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Läkemedelskemi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medicinal Chemistry (hsv//eng)
Nyckelord
- Hydroxylation
- *Glycoproteins/genetics
- *Epidermal Growth Factor/genetics
- DNA/analysis
- Comparative Study
- High Pressure Liquid
- Chromatography
- Cattle
- Asparagine/*analogs & derivatives/analysis
- Amino Acid Sequence
- Animals
- Peptide Fragments/analysis
- Protein Conformation
- *Protein Precursors/genetics
- Protein S
- Research Support
- Non-U.S. Gov't
- Sequence Homology
- Nucleic Acid
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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