CSU BMS 300 - Protein Synthesis on RER to Epithelial Tissues (6 pages)

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Protein Synthesis on RER to Epithelial Tissues



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Protein Synthesis on RER to Epithelial Tissues

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Includes how proteins get to ER and the beginning of tissues in the body.


Lecture number:
11
Pages:
6
Type:
Lecture Note
School:
Colorado State University- Fort Collins
Course:
Bms 300 - Principles of Human Physiology
Edition:
1
Documents in this Packet

Unformatted text preview:

BMS 300 1st edition Lecture 11 Outline of Last Lecture I Protein translation on ribosomes in the cytoplasm required RNA 1 mRNA codons for the amino acid sequence 2 tRNA carries specific amino acid 3 rRNA forms ribosomes which is a catalyst of peptide bond formation concept of a codon 1 set of three bases to encode on amino acid 2 start codon AUG 3 open reading 4 stop codon II Cytoplasmic proteins deposited into cytoplasm synthesized on free ribosomes III Transmembrane secreted liposomal proteins rough IV Targeting the ribosome mRNA complex to ER signal peptide These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 1 NH2 end of protein 2 series of hydrophobic amino acids 3 role of signal recognition particle SRP receptor ribosome reception protein translator in ER transmembrane protein Outline of Current Lecture V Protein targeting to the endoplasmic reticulum protein translocator 1 secreted lyosomal proteins 2 transmembrane protein glycosylating in the ER VI Cells functioning in concert tissues 1 group of similar cells performing similar functions VII Types epithelia connective muscle nervous VIII Epithelia form borders interfaces IX Characteristics of Epithelia continuous layer of cells attached to basal lamina oriented cells able to replicate cell functions X Epithelia junctions Current Lecture starting from last lecture we had the drawing of the endoplasmic reticulum and how it created a signal peptide the signal peptide was hydrophobic because it was composed primarily of uncharged R groups on amino acids the amino acids will be primarily hydrophobic the amino acids will bind to the signal recognition particle we brought the machine from in the cytoplasm delivered it to the ER and it s now latched on by the two receptors energy goes into this and then breaks the bonds across the membrane is a protein translocator aka the trans locon it s a pathway between the



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