±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 528  |  »Ø¸´: 2

likun0038

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖú£ºÎÄÏ×ÖÐÒ»¶Î·­Òë

Our nucleotide exchange assay detects inhibitors against any step in the reaction mechanism, whereas the nucleotide release assay specifically identifies inhibitors against the first phase of the exchange reaction, nucleotide release. Õâ¶Î»°ÖУ¬nucleotide exchange assay ºÍnucleotide release assay ÊÇʲôÒâ˼¡£
DCAI  identified by Genentech, was found to bind in the hydrophobic pocket located between the ¦Á2 helix (of the switch II region) and the core ¦Â-sheet of the KRAS protein
and thereby interrupt KRAS/SOS association.Titration studies with DCAI indicated that it blocked both nucleotide exchange and release reactions, with IC50 values of 342 ¡À 22 and 155¡À 36¦ÌM, respectively. It was also noted that a secondary electronegative binding cleft is formed in the protein upon fragment binding. It is proposed that DCAI blocks the first phase of the exchange reaction by inhibiting nucleotide release from KRAS.Õâ¶Î»°ÖÐsecondary electronegative binding cleft ÊÇʲôÒâ˼£¿
Çó½âÊÍ£¬Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bronzezt

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
likun0038(ºÓ±ßµÄ«έ´ú·¢): ½ð±Ò+1 2013-08-23 09:18:20
nucleotide exchange assay  ºËÜÕËá½»»»ÊÔÑé
nucleotide release assay  ºËÜÕËáÊÍ·ÅÊÔÑé
2Â¥2013-08-23 08:21:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

likun0038

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by bronzezt at 2013-08-23 08:21:10
nucleotide exchange assay  ºËÜÕËá½»»»ÊÔÑé
nucleotide release assay  ºËÜÕËáÊÍ·ÅÊÔÑé

ÉÏÃæÄǾ仰ʲôÒâ˼£¬µÚÒ»Ïàָʲô£¿
3Â¥2013-08-23 11:00:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ likun0038 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 304Çóµ÷¼Á +3 luoye0105 2026-04-05 3/150 2026-04-05 18:16 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Çóµ÷¼Áµ½0856²ÄÁϹ¤³Ì +3 ³Ì9915 2026-04-05 3/150 2026-04-05 18:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +8 ÍÛºôºßºôºß 2026-04-02 9/450 2026-04-05 17:14 by lbsjt
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤×¨Ë¶£¬Ó¢¶þÊý¶þ342·Ö£¬ÇóÀÏʦÊÕÁô +18 v12abo 2026-04-02 20/1000 2026-04-05 11:37 by a8144223
[¿¼ÑÐ] 0703»¯Ñ§ +12 ÄÝÄÝninicgb 2026-04-04 13/650 2026-04-05 10:46 by °¡¿¡£¡
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ´óѧ0710£¨A£©³õÊÔ329·Ö Çóµ÷¼Á +4 Ò»Ãû26¿¼ÑÐÉú 2026-04-04 4/200 2026-04-05 10:01 by barlinike
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +12 ²×º£ÇáÖÛe 2026-04-03 13/650 2026-04-04 23:45 by lqwchd
[¿¼ÑÐ] 282µç×ÓÐÅÏ¢0854ר˶µ÷¼Á +4 202451007219 2026-04-02 6/300 2026-04-04 21:55 by laoshidan
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +4 zhouzhen654 2026-04-03 4/200 2026-04-04 18:10 by Öí»á·É
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 zybz³å³å³å 2026-04-03 6/300 2026-04-04 13:08 by zybz³å³å³å
[¿¼ÑÐ] Ò»Ö¾Ô¸C9µÄ»¯Ñ§¹¤³Ì£¨085602£© 340·Ö£¬¸Ð¾õУÄÚµ÷¼ÁÎÞÍû£¬Çóµ÷¼Á +9 ÍòÊÂÒËÕé 2026-04-04 9/450 2026-04-04 11:49 by à£à£à£0119
[¿¼ÑÐ] 278Çóµ÷¼Á +6 Yy7400 2026-04-03 6/300 2026-04-04 09:53 by zhangdingwa
[¿¼ÑÐ] 320µ÷¼Á +4 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 4/200 2026-04-03 21:40 by lbsjt
[»ù½ðÉêÇë] esi¸ß±»ÒýÂÛÎÄÊDz»ÊÇÄܶÔÖбêÓÐËù¼Ó·ÖºÍ°ïÖúÄØ +5 redcom 2026-04-01 6/300 2026-04-03 15:15 by Howard28
[¿¼ÑÐ] ±§Ç¸ +5 ÌïºéÓÐ 2026-03-30 5/250 2026-04-03 10:24 by linyelide
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +4 Ò»ÑùYWY 2026-04-03 4/200 2026-04-03 09:48 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 bvzz 2026-04-01 3/150 2026-04-03 09:47 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +3 osbbx 2026-04-02 3/150 2026-04-03 07:47 by cc8418
[¿¼ÑÐ] Çóµ÷¼Á +7 Aniyaio 2026-04-02 7/350 2026-04-02 16:42 by zzsw+
[¿¼ÑÐ] Çóµ÷¼Á ÉúÎïѧ 377·Ö +6 zzll03 2026-03-31 6/300 2026-03-31 17:33 by ÌÆãå¶ù
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û