The homologue of TGF-β in Drosophila is Dpp.

TLS Online TPP Program

#Id: 6016

#Unit 3. Fundamental Processes

The MCM2-7 proteins form a six-member ring-shaped complex around DNA. MCM2,3,5 are regulatory, while MCM4,6,7 have the helicase activity.

TLS Online TPP Program

#Id: 8477

#Unit 1. Molecules and their Interaction Relevant to Biology

Each single strand of the b-sheet structure can be pictured as a twofold helix, that is, a helix with two residues per turn.

The arrangement of successive amide planes has a pleated appearance due to the tetrahedral nature of the Ca atom.

TLS Online TPP Program

#Id: 2304

#Unit 3. Fundamental Processes

Amino acids in the 2.4 a-helix of beta70 contact specific bases in the coding strand of the -10 promoter sequences.

TLS Online TPP Program

#Id: 8475

#Unit 1. Molecules and their Interaction Relevant to Biology

Repeat period is shorter for the parallel conformation (6.5 Å, vs. 7 Å for antiparallel)

TLS Online TPP Program

#Id: 6832

#Unit 8. Inheritance Biology

Meristic characteristic - Some characteristics are not continuous but are nevertheless considered quantitative because they are determined by multiple genetic and environmental factors.