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POU2AF1 Q16633

POU域第2类关联因子1 (B细胞特异性共激活因子OBF-1) (BOB-1) (OCA-B) (OCT结合因子1)

蛋白质信息 (UniProt)

POU域第2类关联因子1 (B细胞特异性共激活因子OBF-1) (BOB-1) (OCA-B) (OCT结合因子1)

Q16633

功能描述

转录共激活因子,特异性地与POU2F1/OCT1或POU2F2/OCT2结合 (PubMed:7859290)。它增强POU2F1/OCT1介导的启动子活性,在较小程度上增强POU2F2/OCT2的活性 (PubMed:7779176)。它识别POU2F1/OCT1和POU2F2/OCT2的POU结构域 (PubMed:7779176)。它对B细胞对抗原的反应至关重要,并且是生发中心形成所必需的 (PubMed:7623806, PubMed:7859290)。作为POU2F2/OCT2共激活因子调节B细胞中IL6的表达 (By similarity)。 {ECO:0000250|UniProtKB:Q64693, ECO:0000269|PubMed:7623806, ECO:0000269|PubMed:7779176, ECO:0000269|PubMed:7859290}。

组织特异性

B-cell specific (PubMed:7779176, PubMed:7859290). Detected in mainly in spleen, but also in thymus, periphral blood leukocyte and small intestine (PubMed:7779176, PubMed:7859290).

亚细胞定位

Nucleus

关键词

3D-structure Activator Chromosomal rearrangement Direct protein sequencing Nucleus Proteomics identification Proto-oncogene Reference proteome Transcription Transcription regulation