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CD72

From Wikipedia, the free encyclopedia
Animal protein found in humans
CD72 molecule
Identifiers
SymbolCD72
NCBI gene971
HGNC1696
OMIM107272
RefSeqNM_001782
UniProtP21854
Other data
LocusChr. 9p
Search for
StructuresSwiss-model
DomainsInterPro

CD72 (Cluster ofDifferentiation72), also known inmurine biology asLyb-2, is a protein active in theimmune system of animals. It consists of two identical halves, each of about 39-43kD, and is a C-typelectin. Its primarily locus of expression isB-cells (from the pro-B through the mature B-cell stage), where it appears to mediate aspects of B-cell -T-cell interaction. It is a ligand forCD5.[1]

CD72 is a regulatory protein on B lymphocytes. The cytoplasmic tail of CD72 contains two potential immunoreceptor tyrosine-based inhibitory motifs, one of which has been shown to recruit the tyrosine phosphatase SHP- 1. These features suggest a negative regulatory role for CD72. CD72 is a nonredundant regulator of B-cell development and a negative regulator of B-cell responsiveness.[2]

See also

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References

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  1. ^Abbas AK, Licktman A (2003).Cellular and Molecular Immunology (5th ed.). Saunders. p. 512.ISBN 978-0-7216-0008-6.
  2. ^Parnes JR, Pan C (August 2000). "CD72, a negative regulator of B-cell responsiveness".Immunological Reviews.176 (1):75–85.doi:10.1034/j.1600-065x.2000.00608.x.PMID 11043769.S2CID 29775275.

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