hepatocyte growth factor-like protein; macrophage stimulatory protein; macrophage-stimulating protein; MSP; contains: hepatocyte growth factor-like protein alpha chain; hepatocyte growth factor-like protein beta chain (MST1, D3F15S2, DNF15S2, HGFL)
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Function
- probably has no proteolytic activity, since crucial characteristicS of serine proteases catalytic sites are not conserved
- may be cleaved after Arg-483, to yield two chains held together by disulfide bonds, or two separate polypeptides
- dimer of an alpha chain & a beta chain linked by a disulfide bond
Structure
- belongs to the peptidase S1 family, plasminogen subfamily
- contains 4 kringle domains
- contains 1 PAN domain
- contains 1 peptidase S1 domain