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KRAS¼ò½é

2023-11-13
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RASÊÇGTPaseÔ­°©»ùÒò¼Ò×å³ÉÔ±£¬°üÀ¨3¸öÇ×½üÏà¹ØµÄRASÑÇÐÍ£¬HRAS,KRAS and NRAS¡£

RAS is a family of GTPase proto-oncogenes, comprising three closely related RAS isoforms:HRAS,KRAS and NRAS.

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KRAS gene is a proto-oncogene that encodes a GTP/GDP-binding protein, that belongs to the GTPase RAS family.

KRAS»ùÒòÊDZàÂëGTP/GDPÁ¬ÏµÂѰ׵ÄÔ­°©»ùÒò£¬ÊôÓÚGTPase RAS¼Ò×å¡£KRASÂѰ××÷Ϊ·Ö×Ó¿ª¹Ø£¬ÔÚGDPÁ¬ÏµµÄÎÞ»îÐÔ״̬ºÍGTPÁ¬ÏµµÄ»îÐÔ״̬֮¼äÑ­»·¡£KRASÂѰ׻®·Öͨ¹ýÓëGTPºÍGDPÁ¬Ïµ£¬ÔÚÎÞ»îÐÔ·Ö×ӺͻîÐÔÐÎʽ֮¼äת»»¡£

The KRAS protein acts as molecular switches that cycle between a GDP-bound inactive state and a GTP-bound active state. KRAS protein switches between an inactive to an active form via binding to GTP and GDP respectively¡£

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