Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P20226 (TATA-binding protein)
 1,297 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A proximal promoter (-422/-13) of the bean seed storage protein beta-phaseolin gene contains cis-regulatory elements conferring spatial and temporal gene regulation. To correlate trans-acting elements with these cis-elements, we performed gel mobility shift and exonuclease III protection assays using bean seed nuclear proteins, and identified target sequences of four DNA-binding proteins associated with this promoter. Three CANNTG motifs, CACGTG (-248/-243), CACCTG (-163/-158), and CATATG (-100/-95), were determined as target sequences of the same DNA-binding protein designated CAN. Competition assays using oligonucleotides containing the wild-type or mutated CANNTG motif indicated that the CANNTG motif appears to be a preferred target sequence for CAN binding. Competition assays also demonstrated that DNA-binding protein AG-1 binds to AAAAAG(A/G)CAA (-356/-347, -191/-182), CA-1 binds to two CA-rich sequences (-201/-192, -175/-160), and that a TATA-box binding protein binds to either TATATAA (-43/-37) or TATAAA (-32/-27) or both. Based on these and other results, it is proposed that CACGTG motif (-248/-243) is a major cis-acting regulatory element conferring spatial and temporal control of the beta-phaseolin gene.
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PMID:Four distinct nuclear proteins recognize in vitro the proximal promoter of the bean seed storage protein beta-phaseolin gene conferring spatial and temporal control. 130 41