3 - OCTOBER 3RD, PROTEIN SYNTHESIS AND CLASSES OF PROTEINS...

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OCTOBER 3RD, PROTEIN SYNTHESIS AND CLASSES OF PROTEINS ( binding proteins) proteins get processed during synthesis in the er or after synthesis in golgi apparatus protein processing is important for a number of reasons: protein processing affects function of a protein(whether its active or inactive), whether it should be secreted out- side the cell or kept inside is determined by protein processing then talk about some CLASSES of proteins that are important in molecular biology Classes of proteins: dna/rna binding proteins, enzymes- how do they function, increase rates?, then antibodies from nucleus, closely attached to nuclear membrane is endoplamsic reticulum, rough- ribosomes attached, attached to er because some proteins that are membrane proteins as they’re being synthesized, as move through, they become modified. modifications occur only in er, because reaactions catalyzed fuses with golgi and there can be further modifications FORMATION OF INSULIN in er and golgi, OXIDIZING conditions, can form disulfide bonds, can prepare insulin for er and golgi conditions by NOT forming sh bonds until processing signal sequence- directs protein to er every protein that is made in er
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3 - OCTOBER 3RD, PROTEIN SYNTHESIS AND CLASSES OF PROTEINS...

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