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TLS Online TPP Program

#Id: 1925

The Major Pathways of Complement Activation


#Unit 4. Cell Communication and Cell Signaling #B and T cell receptors #Part B Pointers
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TLS Online TPP Program

#Id: 402

#Unit 2. Cellular Organization

Centromeric H3 (or CenH3) histone, known as Cse4 in yeast. CenH3 histones are incorporated into specialized nucleosomes present at centromeres.
TLS Online TPP Program

#Id: 403

#Unit 2. Cellular Organization

CenH3 has a unique N terminus, which does not resemble other core histones.
TLS Online TPP Program

#Id: 404

#Unit 2. Cellular Organization

Most H2A variants contain alternative C-termini, except H2ABbd, which contains a distinct N terminus.
TLS Online TPP Program

#Id: 405

#Unit 2. Cellular Organization

SpH2B has a long N-terminus and functions in Chromatin packaging
TLS Online TPP Program

#Id: 406

#Unit 2. Cellular Organization

In yeast, centromeric nucleosomes consist of Cse4, H4, and a nonhistone protein Scm3, in place of H2A-H2B dimers.
TLS Online TPP Program

#Id: 407

#Unit 2. Cellular Organization

In Drosophila, the centromeric chromatin appears to consist of “hemisomes” containing one copy each of CenH3, H4, H2A, and H2B.