Product Datasheet
SP1 Antibody
Catalog Number: 49316
Technical:tech@swbio.com
Information:info@swbio.com
Description
- Swiss-Prot No.:
- Swiss-Prot#:P08047
- Form of Antibody:
- 1*TBS (pH7.4), 1%BSA, 40%Glycerol. Preservative: 0.05% Sodium Azide.
- Immunogen:
- recombinant protein
- appl_detail:
- WB: 1:1,000-1:2,000
IHC: 1:50-1:200
ICC: 1:100-1:500
- other_names:
- SP 1 antibody SP1 antibody Sp1 transcription factor antibody SP1_HUMAN antibody Specificity protein 1 antibody Transcription factor Sp1 antibody TSFP 1 antibody TSFP1 antibody
- Purification:
- ProA affinity purified
- Applications:
- WB, ICC/IF, IHC
- Background:
- Sp1 is a sequence-specific transcription factor that recognizes GGGGCGGGGC and closely related sequences, which are often referred to as GC boxes. Sp1 was initially identified as a HeLa cell-derived factor that selectively activates in vitro transcription from the SV40 promoter and binds to the multiple GC boxes in the 21-bp repeated elements in SV40. The sequence specificity of DNA binding is conferred by Zn (II) fingers, whereas a different region of Sp1 appears to regulate the affinity of DNA binding. Sp1 belongs to a subgroup of transcription factors that are phosphorylated upon binding to promoter sequences. Evidence suggests that the early growth response gene, Erg-1 (also known as Zif268 or NGF1-A), may downregulate certain mammalian gene promoters by competing with Sp1 for binding to an overlapping binding motif. The gene encoding human Sp1 maps to chromosome 12q13.1.
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