Homologs

LRP in vertebrates = Arrow in Drosophila.

#Id: 418

#Unit 2. Cellular Organization

H2AZ variant has 60% sequence identity with canonical H2A and involved in gene activation, heterochromatin–euchromatin boundary formation, cell-cycle progression.

#Id: 6885

#Unit 3. Fundamental Processes

DNA methylation and macroH2A contribute to the stable repression of the inactive X chromosome  A. Wutz and J. Gribnau, Curr. Opin. Genet. Dev. 17 (2007): 387–393. inactive specific transcript), which is stably expressed only on the inactive X chromosome.

#Id: 9623

#Unit 4. Cell Communication and Cell Signaling

#Id: 469

#Unit 2. Cellular Organization

Introns evolve or accumulate mutations/changes much more rapidly than exons

#Id: 7691

#Unit 1. Molecules and their Interaction Relevant to Biology

                                             bab Motif

These motifs are generally found in right handed helix above the plane of the beta sheet

Almost all the proteins containing parallel beta sheets have this motif. 

The helix is generally not seen below the plane of beta sheets