Overview

BCR (Breakpoint Cluster Region Protein) is one of a number of genes affected by aberrant somatic hypermutation in B-cell lymphomas, which complicates the interpretation of mutations at this locus. This gene has some recurrent sites of mutations (hot spots).

Relevance tier by entity

Entity Tier Description
DLBCL 1-a aSHM target and high-confidence DLBCL gene1

Mutation incidence in large patient cohorts (GAMBL reanalysis)

Entity source frequency (%)
DLBCL GAMBL genomes 4.97
DLBCL Schmitz cohort 6.38
DLBCL Reddy cohort 3.90
DLBCL Chapuy cohort 4.27

Mutation pattern and selective pressure estimates

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aSHM regions

chr_name hg19_start hg19_end region regulatory_comment
chr22 23522060 23528313 TSS NA

BCR Hotspots

Chromosome Coordinate (hg19) ref>alt HGVSp
chr22 23523350 A>G K68R
chr22 23523351 G>T K68N
chr22 23523353 G>A S69N
chr22 23523353 G>C S69T
chr22 23523356 A>T Y70F
chr22 23523359 A>C D71A
chr22 23523374 G>A G76D

View coding variants in ProteinPaint hg19 or hg38

View all variants in GenomePaint hg19 or hg38

BCR Expression

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References

1.
Lohr JG, Stojanov P, Lawrence MS, Auclair D, Chapuy B, Sougnez C, Cruz-Gordillo P, Knoechel B, Asmann YW, Slager SL, Novak AJ, Dogan A, Ansell SM, Link BK, Zou L, Gould J, Saksena G, Stransky N, Rangel-Escareño C, Fernandez-Lopez JC, Hidalgo-Miranda A, Melendez-Zajgla J, Hernández-Lemus E, Schwarz-Cruz y Celis A, Imaz-Rosshandler I, Ojesina AI, Jung J, Pedamallu CS, Lander ES, Habermann TM, Cerhan JR, Shipp MA, Getz G, Golub TR. Discovery and prioritization of somatic mutations in diffuse large B-cell lymphoma (DLBCL) by whole-exome sequencing. Proc Natl Acad Sci U S A. 2012 Mar 6;109(10):3879–3884. PMCID: PMC3309757

Citing

If you use the information or data from this site, please cite

Krysta Coyle, Kostiantyn Dreval, Daniel Hodson and Ryan D. Morin. Audit of B-cell cancer genes. Blood Adv (2025) 9 (8): 2019–2031.

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