Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.4.21.7 (plasmin)
 9,023 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Macrophage adhesion molecule (MAM), an abundant surface molecule which functions in the adhesion and spreading of guinea pig macrophages on surfaces, is characterized as a heterodimer of the trypsin- and plasmin-sensitive glycopeptide gp160 (MAM-alpha) and the glycopeptide gp93 (MAM-beta). The density of MAM molecules is estimated at 630,000 per macrophage on the basis of quantitative binding of 125I-labeled monoclonal antibody. The glycopeptide subunits display microheterogeneity on isoelectrofocusing; the pI is 5.8-6.3 for gp160 (MAM-alpha) and 6.4-7.0 for gp93 (MAM-beta). A neutrophil gp160, gp93 molecule was shown to be indistinguishable from macrophage MAM on the basis of electrophoresis, isoelectrofocusing, and reactivity with 10 monoclonal antibodies. A related heterodimer of gp93 associated with a larger, antigenically different glycopeptide (gp180,gp93) was identified on circulating lymphocytes. Cumulative properties indicate that MAM is the guinea pig analogue of human Mo1 and mouse Mac-1.
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PMID:Characterization of macrophage adhesion molecule. 296 69