BCL6

B-cell CLL/lymphoma 6

Transcriptional repressor mainly required for germinal center (GC) formation and antibody affinity maturation which has different mechanisms of action specific to the lineage and biological functions. Forms complexes with different corepressors and histone deacetylases to repress the transcriptional expression of different subsets of target genes. Represses its target genes by binding directly to the DNA sequence 5'-TTCCTAGAA-3' (BCL6-binding site) or indirectly by repressing the transcriptional activity of transcription factors. In GC B-cells, represses genes that function in differentiation, inflammation, apoptosis and cell cycle control, also autoregulates its transcriptional expression and up-regulates, indirectly, the expression of some genes important for GC reactions, such as AICDA, through the repression of microRNAs expression, like miR155. An important function is to allow GC B-cells to proliferate very rapidly in response to T-cell dependent antigens and tolerate the physiological DNA breaks required for immunglobulin class switch recombination and somatic hypermutation without inducing a p53/TP53-dependent apoptotic response. In follicular helper CD4+ T-cells (T(FH) cells), promotes the expression of T(FH)-related genes but inhibits the differentiation of T(H)1, T(H)2 and T(H)17 cells. Also required for the establishment and maintenance of immunological memory for both T- and B-cells. Suppresses macrophage proliferation through competition with STAT5 for STAT-binding motifs binding on certain target genes, such as CCL2 and CCND2. In response to genotoxic stress, controls cell cycle arrest in GC B-cells in both p53/TP53-dependedent and -independent manners. Besides, also controls neurogenesis through the alteration of the composition of NOTCH-dependent transcriptional complexes at selective NOTCH targets, such as HES5, including the recruitment of the deacetylase SIRT1 and resulting in an epigenetic silencing leading to neuronal differentiation.

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Proteins (7)

Type

Over-Expression Lysate (4)

Recombinant (3)

Target

BCL6 (7)

Application

SDS-PAGE (1)

Publications

No (7)

Tag

His-TRX, N-terminus (1)

Myc-DDK (Flag) (5)

TRX-His, N-terminus (1)

Species

Human (5)

Source

293T Cells (2)

E. coli (2)

HEK 293 Cells (3)

Purification

Purified (1)

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Human BCL6 Protein (Recombinant TRX-His, N-terminus) (Met1-Met150) - LS-G47716

Source:

E. coli

Tag:

TRX-His, N-terminus

Application:

SDS-PAGE

Molecular Weight:

The recombinant human BCL6/Trx fusion protein consisting of 309 amino acids and has a calculated molecular mass of 34.2 kDa. It migrates as an approximately 33 kDa band in SDS-PAGE under reducing conditions.

Price:

100 µg/$364

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Human BCL6 Protein (Recombinant Myc-DDK (Flag)) (Full Length) - LS-G65032

Source:

HEK 293 Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

78.7 kDa

Price:

20 µg/$1,107

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Human BCL6 Protein (Recombinant His-TRX, N-terminus) (Met1-Met150) - LS-G137968

Source:

E. coli

Tag:

His-TRX, N-terminus

Molecular Weight:

34.2 kDa

Price:

100 µg/$502

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BCL6 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G99523

Source:

HEK 293 Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

78.7 kDa

Price:

100 µg/$710

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Human BCL6 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G74685

Source:

293T Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

78.7 kDa

Price:

20 µg/$215

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Human BCL6 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G74686

Source:

293T Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

78.7 kDa

Price:

20 µg/$215

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BCL6 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G125127

Source:

HEK 293 Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

78.7 kDa

Price:

100 µg/$710

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