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Lecture 17

BIOL 1090 Lecture 17: BIOL 1090 - Lecture 17 - Dr. Mathur
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Department
Biology
Course
BIOL 1090
Professor
Terry Van Raay
Semester
Winter

Description
Lecture 17 BIOL logo Reticulum Cotranslation. Ch. 8, E3-h Figue 12a Endoplasmic All protein tiansation begins on free ribosomes 2ueusand 8.13 How ste transatin determined Ribosomes are targettad to the ER membrane a thng; ransated are endo other membrane and contains 6h3 consecutakve hydraphobic aa. Directs Synthesis to ER rein. transcuted. s being synthesized mto ER How a Nascent protein mors through a channel into ER d 2-4, haur the channel in eroups Translocon rembane. A rina of 6 hydrophobic amino acids pac can be plugged Co-Translational pratein impod parm. 7 Synthesis Secretory lusosomal Vacuolar) proteins SRP O translat ionsction resumes pua Plug Plug ER mom ER Warmen translocon chaperon after staral Sequence hnows a n is tarsuted. 2) targe ting of translation complex to ER SRP ri new polypeptide SRP binds to preceptor. proteins cuts nslocon assist brd protein synthesis resumes the translocon translated. into p lumen oth chaperone nsla import intaral membane xat op trangter Sequence traMSmelhorane domain oteins water-soluble. hyraphob transmembrane transmentaen Segment pad tally bedded into N-terminus, in ER lumen N-terminus in cytoso ER s the same as for Secretory translation nitially eins famed does not pass competely thagt The translocon nascent polypeptide cahuins stop-trarser Sequence n the lpd hydrophobic" transmembrane domain (TNO) anslocan opens laterally and inserts TMO R membrane e, with the positively -s translocon orie domain) exposed to the membrane Lecture 17 BIOL logo Reticulum Cotranslation. Ch. 8, E3-h Figue 12a Endoplasmic All protein tiansation begins on free ribosomes 2ueusand 8.13 How ste transatin determined Ribosomes are targettad to the ER membrane a thng; ransated are endo other membrane and contains 6h3 consecutakve hydraphobic aa. Directs Synthesis to ER rein. transcuted. s being synthesized mto ER How a Nascent protein mors through a channel into ER d 2-4, haur the channel in eroups Translocon rembane. A rina of 6 hydrophobic amino acids pac can be plugged Co-Translational pratein impod parm. 7 Synthesis Secretory lusosomal Vacuolar) proteins SRP O translat ionsction resumes pua Plug Plug ER mom ER Warmen translocon chaperon after staral Sequence hnows a n is tarsuted. 2) targe ting of translation complex to ER SRP ri new polypeptide SRP binds to preceptor. proteins cuts nslocon assist brd protein synthesis resumes the translocon translated. into p lumen oth chaperone nsla import intaral membane xat op trangter Sequence traMSmelhorane domain oteins water-soluble. hyraphob transmembrane transmentaen Segment pad tally bedded into N-terminus, in ER lumen N-terminus in cytoso ER s the same as for Secretory translation nitially eins famed does not pass competely thagt The translocon nascent polypeptide cahuins stop-trarser Sequence n the lpd hydrophobic" transmembrane domain (TNO) anslocan opens laterally and inserts TMO R membrane e, with the positively -s translocon orie domain) exposed to the membraneAfter prot ein 15 fu y synthesized and properly folded i
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