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Protein PPBP PDB 1f9p.png
Available structures
PDBHuman UniProt search: PDBe RCSB
AliasesPPBP, B-TG1, Beta-TG, CTAP-III, CTAP3, CTAPIII, CXCL7, LA-PF4, LDGF, MDGF, NAP-2, PBP, SCYB7, TC1, TC2, TGB, TGB1, THBGB, THBGB1, pro-platelet basic protein
External IDsHomoloGene: 136759 GeneCards: PPBP
Gene location (Human)
Chromosome 4 (human)
Chr.Chromosome 4 (human)[1]
Chromosome 4 (human)
Genomic location for PPBP
Genomic location for PPBP
Band4q13.3Start73,987,038 bp[1]
End73,988,197 bp[1]
RNA expression pattern
PBB GE PPBP 214146 s at fs.png
More reference expression data
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC)Chr 4: 73.99 – 73.99 Mbn/a
PubMed search[2]n/a
View/Edit Human

Chemokine (C-X-C motif) ligand 7 (CXCL7) is a human gene.[3]

The encoded protein, Chemokine (C-X-C motif) ligand is a small cytokine belonging to the CXC chemokine family. It is an isoform of Beta-Thromboglobulin or Pro-Platelet basic protein (PPBP).[4]

It is a protein that is released in large amounts from platelets following their activation.[5] It stimulates various processes including mitogenesis, synthesis of extracellular matrix, glucose metabolism and synthesis of plasminogen activator.[6][7]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000163736 - Ensembl, May 2017
  2. ^ "Human PubMed Reference:". 
  3. ^ "Entrez Gene: PPBP pro-platelet basic protein (chemokine (C-X-C motif) ligand 7)". 
  4. ^ Hristov M, Zernecke A, Bidzhekov K, et al. (March 2007). "Importance of CXC chemokine receptor 2 in the homing of human peripheral blood endothelial progenitor cells to sites of arterial injury". Circ. Res. 100 (4): 590–7. doi:10.1161/01.RES.0000259043.42571.68. PMID 17272812. 
  5. ^ Majumdar S, Gonder D, Koutsis B, Poncz M (1991). "Characterization of the human beta-thromboglobulin gene. Comparison with the gene for platelet factor 4". J Biol Chem. 266 (9): 5785–9. PMID 1826003. 
  6. ^ Castor C, Miller J, Walz D (1983). "Structural and biological characteristics of connective tissue activating peptide (CTAP-III), a major human platelet-derived growth factor". Proc Natl Acad Sci USA. 80 (3): 765–9. doi:10.1073/pnas.80.3.765. PMC 393460Freely accessible. PMID 6572368. 
  7. ^ Castor C, Furlong A, Carter-Su C (1985). "Connective tissue activation: stimulation of glucose transport by connective tissue activating peptide III". Biochemistry. 24 (7): 1762–7. doi:10.1021/bi00328a029. PMID 4005226. 

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