| Post Translational Modifications | There is no serine/glycine dipeptide sequence expected for the attachment of O-linked glycosaminoglycans and this is probably not a proteoglycan. The O-linked polysaccharide on 54-Ser is probably the mucin type linked to GalNAc. The N-linked glycan at Asn-282 is composed of variable structures of GlcNAc, mannose, fucose, HexNAc and hexose. |
| Function | Negatively regulates periodontal ligament (PDL) differentiation and mineralization to ensure that the PDL is not ossified and to maintain homeostasis of the tooth-supporting system. Inhibits BMP2-induced cytodifferentiation of PDL cells by preventing its binding to BMPR1B/BMP type-1B receptor, resulting in inhibition of BMP-dependent activation of SMAD proteins. Critical regulator of TGF-beta in articular cartilage and plays an essential role in cartilage homeostasis and osteoarthritis (OA) pathogenesis. Negatively regulates chondrogenesis in the articular cartilage by blocking the TGF-beta/receptor interaction on the cell surface and inhibiting the canonical TGF-beta/Smad signal. Binds calcium and plays a role in osteoblast-driven collagen biomineralization activity. |
| Protein Name | AsporinPeriodontal Ligament-Associated Protein 1Plap-1 |
| Database Links | Reactome: R-HSA-3000178 |
| Cellular Localisation | SecretedExtracellular SpaceExtracellular Matrix |
| Alternative Protein Names | Asporin proteinPeriodontal Ligament-Associated Protein 1 proteinPlap-1 proteinASPN proteinPLAP1 proteinSLRR1C proteinUNQ215 proteinPRO241 protein |
Information sourced from Uniprot.org
