a heparan sulfate proteoglycan type I membrane protein that belongs to the syndecan proteoglycan family. Expressed as a homodimer. Promotes cell spreading in a beta(1) integrin-dependent fashion through PKC-alpha and Rho. Note: This description may include information from UniProtKB.
Protein type: Motility/polarity/chemotaxis; Membrane protein, integral; Cell adhesion
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.