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This gene encodes a member of the protein family comprised of both platelet-derived growth factors (PDGF) and vascular endothelial growth factors (VEGF). The encoded preproprotein is proteolytically processed to generate platelet-derived growth factor subunit B, which can homodimerize, or alternatively, heterodimerize with the related platelet-derived growth factor subunit A. These proteins bind and activate PDGF receptor tyrosine kinases, which play a role in a wide range of developmental processes. Mutations in this gene are associated with meningioma. Reciprocal translocations between chromosomes 22 and 17, at sites where this gene and that for collagen type 1, alpha 1 are located, are associated with dermatofibrosarcoma protuberans, a rare skin tumor. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]
Protein class

Cancer-related genes, Candidate cardiovascular disease genes, Disease related genes, Human disease related genes, Plasma proteins, RAS pathway related proteins

Predicted location

Intracellular, Secreted (different isoforms)

Single cell type specificity

Cell type enhanced (Adipocytes, Endothelial cells, Pancreatic endocrine cells, Langerhans cells, Macrophages)

Immune cell specificity

Immune cell enhanced (MAIT T-cell)

Cell line specificity

Cell line enhanced (A-431, EFO-21, HUVEC TERT2, SK-BR-3, TIME)


Antiparallel homodimer; disulfide-linked. Antiparallel heterodimer with PDGFA; disulfide-linked. The PDGFB homodimer interacts with PDGFRA and PDGFRB homodimers, and with heterodimers formed by PDGFRA and PDGFRB. The heterodimer composed of PDGFA and PDGFB interacts with PDGFRB homodimers, and with heterodimers formed by PDGFRA and PDGFRB. Interacts with XLKD1 (By similarity). Interacts with LRP1 (PubMed:15053742). Interacts with SORL1 (via the N-terminal ectodomain) (PubMed:15053742, PubMed:16393139).

Molecular function

Developmental protein, Growth factor, Mitogen

More Types Infomation
  • Becaplermin (TP-061CL)
    • CAS number: 165101-51-9

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