home *** CD-ROM | disk | FTP | other *** search
- ****************************
- * Kringle domain signature *
- ****************************
-
- Kringles [1,2,3] are triple-looped, disulfide cross-linked domains found in a
- varying number of copies, in some serine proteases and plasma proteins. The
- kringle domain has been found in the following proteins:
-
- - Apolipoprotein A (38 copies).
- - Blood coagulation factor XII (Hageman factor) (1 copy).
- - Hepatocyte growth factor (HGF) (4 copies).
- - Hepatocyte growth factor like protein (4 copies) [4].
- - Hepatocyte growth factor activator [1] (once) [5].
- - Plasminogen (5 copies).
- - Thrombin (2 copies).
- - Tissue plasminogen activator (TPA) (2 copies).
- - Urokinase-type plasminogen activator (1 copy).
-
- Kringle domains are thought to play a role in binding mediators, such as
- membranes, other proteins or phospholipids, and in the regulation of
- proteolytic activity. As a signature pattern for this type of domain, we
- selected a conserved hexapeptide sequence.
-
- -Consensus pattern: [FY]-C-R-N-P-[DNR]
- [C is involved in a disulfide bond]
- -Sequences known to belong to this class detected by the pattern: ALL.
- -Other sequence(s) detected in SWISS-PROT: three influenza neuraminidases.
-
- -Expert(s) to contact by email: Ikeo K.
- kikeo@genes.nig.ac.jp
-
- -Last update: June 1994 / Text revised.
-
- [ 1] Castellino F.J., Beals J.M.
- J. Mol. Evol. 26:358-369(1987).
- [ 2] Patthy L.
- Cell 41:657-663(1985).
- [ 3] Ikeo K., Takahashi K., Gojobori T.
- FEBS Lett. 287:146-148(1991).
- [ 4] Friezner Degen S.J., Stuart L.A., Han S., Jamison C.S.
- Biochemistry 30:9781-9791(1991).
- [ 5] Miyazawa K., Shimomura T., Kitamura A., Kondo J., Morimoto Y.,
- Kitamura N.
- J. Biol. Chem. 268:10024-10028(1993).
-