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This can be competitive inhibition, uncompetitive inhibition, non-competitive inhibition or partially competitive inhibition. If the molecule induces enzymes that are responsible for its own metabolism, this is called auto-induction (or auto-inhibition if there is inhibition). These processes are particular forms of gene expression regulation.
Inducible systems - An inducible system is off unless there is the presence of some molecule (called an inducer) that allows for gene expression. The molecule is said to "induce expression". The manner by which this happens is dependent on the control mechanisms as well as differences between prokaryotic and eukaryotic cells.
p21 is a potent cyclin-dependent kinase inhibitor (CKI). The p21 (CIP1/WAF1) protein binds to and inhibits the activity of cyclin-CDK2, -CDK1, and -CDK4 /6 complexes, and thus functions as a regulator of cell cycle progression at G 1 and S phase.
54206 74155 Ensembl ENSG00000116285 ENSMUSG00000028967 UniProt Q9UJM3 Q99JZ7 RefSeq (mRNA) NM_018948 NM_133753 NM_001356323 RefSeq (protein) NP_061821 NP_598514 NP_001343252 Location (UCSC) Chr 1: 8 – 8.03 Mb Chr 4: 150.94 – 150.95 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse ERBB receptor feedback inhibitor 1 is a protein that in humans is encoded by the ERRFI1 gene. MIG6 is ...
The protein encoded by this gene is a helix-loop-helix (HLH) protein that can form heterodimers with members of the basic HLH family of transcription factors. [5] The encoded protein has no DNA binding activity and therefore can inhibit the DNA binding and transcriptional activation ability of basic HLH proteins with which it interacts. [5]
DNA damage-inducible transcript 3, also known as C/EBP homologous protein (CHOP), is a pro-apoptotic transcription factor that is encoded by the DDIT3 gene. [ 5 ] [ 6 ] It is a member of the CCAAT/enhancer-binding protein (C/EBP) family of DNA-binding transcription factors. [ 6 ]
Tetracycline-controlled gene expression is based upon the mechanism of resistance to tetracycline antibiotic treatment found in gram-negative bacteria. In nature, the P tet promoter expresses TetR (the repressor) and TetA, the protein that pumps tetracycline antibiotic out of the cell. [2]
A regulatory sequence is a segment of a nucleic acid molecule which is capable of increasing or decreasing the expression of specific genes within an organism. Regulation of gene expression is an essential feature of all living organisms and viruses.