Product Name	ESF1
Chinese Name	ESF1蛋白抗体
Alias	ABT1-associated protein; ABTAP; bA526K24.1; C20orf6; Esf1; ESF1 homolog; ESF1_HUMAN; FLJ20368; HDCMC28P; OTTHUMP00000030301.
Research Area	Cell biology  Transporter  Epigenetics
Immunogen Species	Rabbit
Clonality	Polyclonal
React Species	(predicted: Human, Mouse, Rat, Chicken, Dog, Cow, Rabbit, Sheep, )
Applications	ELISA=1:5000-10000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （Paraffin sections need antigen repair） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
Theoretical molecular weight	99kDa
Cellular localization	The nucleus
Form	Liquid
Concentration	1mg/ml
immunogen	KLH conjugated synthetic peptide derived from human ESF1: 28-130/851
Lsotype	IgG
Purification	affinity purified by Protein A
Buffer Solution	0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
Storage	Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Attention	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed	PubMed
Product Detail	In eukaryotic systems, initiation of transcription from protein-coding genes is a complex process requiring RNA polymerase II and broad families of auxiliary transcription factors. Such factors can be divided into two major functional classes: the basal factors that are required for transcription of all Pol II genes, including TFIIA, TFIIB, TFIID, TFIIE, TFIIF and TFIIH and sequence-specific factors that regulate gene expression. The basal transcription factors and Pol II form a specific multi-protein complex near the transcription start site by interacting with core promotor elements such as the TATA box, generally located 25-30 base pairs upstream of the transcription start site. ABT1 (activator of basal transcription 1) is a nuclear protein that associates with the TATA-binding protein (TBP) and enhances basal transcription activity of class II promoters. ABT1 forms a complex with ESF1, also designated ABT1-associated protein (ABTAP), which disrupts ABT1 interaction with TBP and suppresses ABT1-induced activation of Pol II-directed transcription. The ABT1/ESF1 complex colocalizes in the nucleolus and nucleoplasm. Function: May constitute a novel regulatory system for basal transcription. Negatively regulates ABT1. Subcellular Location: Nucleus； nucleolus. Nucleus； nucleoplasm. Similarity: Belongs to the ESF1 family. SWISS: Q9H501 Gene ID: 51575 Database links: Entrez Gene: 51575 Human SwissProt: Q9H501 Human Unigene: 369284 Human

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