aa motif / Coiled-coils

3.6 a.a / turn in helix 

abcdefg 'a' &'d’ are hydrophobic residues 'e' and 'g' are found to be charged amino 

7.2 a.a / 2 turns acids 

 —7 amino acids per 2 turns in the helix 

For every turn there could be one hydrophobic residue coming same side of the helix 

Ex: GCN4

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#Id: 1060

#Unit 5. Developmental Biology

CONSTANS (CO) belongs to the Zinc finger TF family Activates flowering in response to long photoperiods

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#Id: 1061

#Unit 5. Developmental Biology

The target gene of CO -FLOWERING LOCUS T (FT)

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#Id: 1062

#Unit 5. Developmental Biology

In rice, a SDP, the CO homolog Heading-date 1 (Hd1) acts as an inhibitor of flowering.

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#Id: 1063

#Unit 5. Developmental Biology

The ER-localized protein, FT INTERACTING PROTEIN1 (FTIP1), is required for FT movement into the phloem translocation stream.

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#Id: 1064

#Unit 5. Developmental Biology

In the floral meristem, the FT protein forms a complex with FLOWERING D (FD)

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#Id: 1065

#Unit 5. Developmental Biology

FD, a basic leucine zipper (bZIP) transcription factor that is expressed in the meristem.