A typical gene transcribed by RNA polymerase II has a promoter that extends upstream from the site where transcription is initiated.

TLS Online TPP Program

#Id: 1624

#Unit 4. Cell Communication and Cell Signaling

Lactoferrin Binds and sequesters iron, limiting growth of bacteria and fungi.

TLS Online TPP Program

#Id: 1625

#Unit 4. Cell Communication and Cell Signaling

Surfactant proteins SP-A, SP-D Block bacterial surface components; promotes phagocytosis.

TLS Online TPP Program

#Id: 1626

#Unit 4. Cell Communication and Cell Signaling

calprotectin Binds and sequesters divalent cations, limiting growth of bacteria and fungi.

TLS Online TPP Program

#Id: 1627

#Unit 4. Cell Communication and Cell Signaling

Psoriasin Binds and sequesters divalent cations

TLS Online TPP Program

#Id: 1628

#Unit 4. Cell Communication and Cell Signaling

(C1s)2 are serine proteases, cleaves C4 and C2  has the same functions as Masp-1 and Masp-2.

TLS Online TPP Program

#Id: 1629

#Unit 4. Cell Communication and Cell Signaling

Alternative tickover pathway is initiated when C3 hydrolysed its internal thioester bond, yielding the molecule C3(H2O), in the presence of serum Mg2 binds another serum protein, factor B.