- catabolite regulation, induction, feedback¿¡ ´ëÇؼ -
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1. Feedback regulation
2. Catabolite Regulation
3. Induction
Reference
1. Feedback regulation
(1) Feedback repression-derepression: ¹Ì»ý¹°À» »ý»êÇÑ 2Â÷ ´ë»ç»ê¹°Àº ÀÚ½ÅÀÇ »ýÇÕ¼º À» ÀúÇØÇÑ´Ù. ÃÖÁ¾»ê¹°ÀÌ °ú·®À¸·Î Á¸ÀçÇÒ ¶§ È¿¼ÒÇÕ¼ºÀÌ Á¤ÁöµÇ°í ÃÖÁ¾»ê¹°ÀÇ ¾çÀÌ Æ¯Á¤ ³óµµ ÀÌÇÏÀÏ ¶§ ³ôÀº ¼Óµµ·Î È¿¼Ò¸¦ ÇÕ¼ºÇÑ´Ù.
ex) penicillin ¡æ penicillin »ý»ê °ü·Ã È¿¼ÒµéÀÇ »ýÇÕ¼º ÀúÇØ
(2) Feedback inhibition: ¹Ì»ý¹°À» »ý»êÇÑ 2Â÷ ´ë»ç»ê¹°Àº 2Â÷ ´ë»çȸ·Î ù È¿¼ÒÀÇ È°¼º À» ÀúÇØÇÑ´Ù. ´ë»ç°æ·Î¿¡¼ ÃÖÁ¾»ê¹°ÀÌ °æ·ÎÀÇ Ã¹ È¿¼ÒÀÇ È°¼ºÀ» ÀúÇØÇÑ´Ù.
ex) alkaloid ¡æ dimethylallytransferase
-allosteric enzyme: »ýÇÕ¼º °æ·Î¿¡¼ ÃÖÃÊÀÇ ¹ÝÀÀ ¶Ç´Â ºÐ±âÁ¡ÀÇ ¹ÝÀÀÀ» Ã˸ÅÇÏ¿© ÀÌ »ýÇÕ¼º °æ·ÎÀÇ Àüü ´ë»ç¹°ÁúÀÇ ÇÕ¼ºÀ» Á¦¾î.
¨ç allostery: µÎ °³ÀÇ binding site, ¸ð¾ç Å©±â ch-arge°¡ ´Ù¸§.
active site: substrate binding site.
allosteric site: feedback inhibitior site, inhibitor(effector)°¡ °¡¿ªÀûÀ¸·Î °áÇÕ.
inhibitor°¡ ¡¦(»ý·«)
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