myb-dna-bind怎么分类网友 1 最佳答案 回答者:网友 MYB转录因子以保守的DNA结合域为共同特征,是植物最大的转录因子家族之一,广泛参与植物代谢调控。本文根据植物中MYB转录因子的DNA保守结构域,通过RT-PCR和RACE的方法从大豆品种吉林3号的叶片中分离得到了2个MYB基因GmMYBJ6和GmMYBJ7,并对其结构特征和表达特性进行...
Protein families (PFAM) analysis of the MYB sequences identified 28 combinations of 16 domains in the encoded proteins. The most common consisted of MYB_DNA-binding and MYB-DNA-bind_6 domains, and five highly conserved tryptophans were located in the aligned MYB protein sequence....
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One of these, an AACA motif, has been shown to be a negative regulator in non-seed tissues and has a similarity to the barley gibberellin responsive element recognized by MYB-like DNA binding proteins. A cDNA library constructed from immature rice seed was screened using two types of myb ...
2.1 MYB与上下游因子互作 MYB 主要通过直接结合下游靶基因启动子区域特定的 DNA 序列来激活或抑制其转录. 拟南芥 AtMYB73 直接结合在肌动蛋白解聚因子 (actin-depolymerizing factors, ADF)基因的启动子区 域, 抑制其表达, 阻碍肌动蛋白解聚, 从而改变植物细胞骨架组成[27]. 水稻 OsMYB30 通过激活 OsPAL6 和 ...
This review will focus on v-Myband its normal cellular counterpart c-Mybwith an emphasis on the biological and biochemical functions of their protein products. Both the v-Myb and c-Myb proteins are nuclear, bind directly to DNA, have short half-lives, and can regulate gene expression. As ...
The animal proto-oncogenec-mybwas the first gene identified to encode a MYB protein6. MYB proteins contain up to three 52-amino acid residue repeats, the R1, R2 and R3 MYB domains, which bind DNA in a sequence-specific manner. The c-myb protein contains three of these DNA-binding domain...
One phosphorylation site (Ser(581)) appeared to negatively regulate DNA binding, as mutation of this site enhanced the ability of B-Myb to bind a Myb-binding sequence. These data suggest that B-Myb is a target for phosphorylation by cyclin-Cdk2 and that phosphorylation of B-Myb regulates ...
转录因子通常由几个独立的功能 叶植物玉米中克隆出与色素合成相关的ZmMYBC1 域组成,包括DNA 结合功能域、转录调控区(激活 基因以来,大量Myb 类基因从各种植物中得以分离 或抑制) 、信号分子结合域和核定位信号区等。根据 鉴定(Golay et al., 1996; Loguerico et al., 1999; Miyake DNA 结合功能域的结构,...
The hyperphosphorylated forms of Myc and Myb from mitotic cells are functionally distinct from the corresponding interphase proteins in that the former have reduced ability to bind nonspecifically to double-stranded DNA cellulose. Furthermore, mitotic Myb binds poorly to oligodeoxynucleotides containing ...