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biochem 2 - 25hydroxylase
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12-04-2008, 08:52 PM
1. During a study of the components of regulatory proteins, an investigator will most likely find that zinc finger motifs facilitate which of the following functions?
A ) DNA binding B ) Histone binding C ) Membrane binding D ) Serine/threonine kinase activity
12-04-2008, 09:07 PM
Dear 25 hydroxylase,please put nmbe if u post nbme qn,i'm not sure whether to read ur question or not,i cant assess my nmbe if questions match..
12-04-2008, 11:01 PM
i think it has something to do with binding to the response elements in the DNA so i guess DNA binding
12-05-2008, 05:35 AM
The DNA-binding domain binds to a specific nucleotide sequence in the promoter or
response element. Severaltypes of DNA-binding domain motifs have been characterized and have been used to define certain families of transcription factors. Some common DNA-binding domains include: . Zinc fingers (steroid hormone receptors) . Leucine zippers (cAMP-dependent transcription factor) . Helix-loop-helix . Helix-turn-helix (homeodomain proteins encoded by homeotic/homeobox genes) |
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