thrombospondin-1 protein (n-terminal domain

thrombospondin tsp astrocyte synapse thbs1 antiangiogenic angiogenesis blood vessel thrombin cancer tumor glycoprotein platelet aggregation endothelium endothelial cell pdb1za4 glycosaminoglycan calreticulin integrin tspn1 fibrinogen fibronectin laminin structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model