4zsa

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== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/FGFR1_HUMAN FGFR1_HUMAN]] Tyrosine-protein kinase that acts as cell-surface receptor for fibroblast growth factors and plays an essential role in the regulation of embryonic development, cell proliferation, differentiation and migration. Required for normal mesoderm patterning and correct axial organization during embryonic development, normal skeletogenesis and normal development of the gonadotropin-releasing hormone (GnRH) neuronal system. Phosphorylates PLCG1, FRS2, GAB1 and SHB. Ligand binding leads to the activation of several signaling cascades. Activation of PLCG1 leads to the production of the cellular signaling molecules diacylglycerol and inositol 1,4,5-trisphosphate. Phosphorylation of FRS2 triggers recruitment of GRB2, GAB1, PIK3R1 and SOS1, and mediates activation of RAS, MAPK1/ERK2, MAPK3/ERK1 and the MAP kinase signaling pathway, as well as of the AKT1 signaling pathway. Promotes phosphorylation of SHC1, STAT1 and PTPN11/SHP2. In the nucleus, enhances RPS6KA1 and CREB1 activity and contributes to the regulation of transcription. FGFR1 signaling is down-regulated by IL17RD/SEF, and by FGFR1 ubiquitination, internalization and degradation.<ref>PMID:20139426</ref> <ref>PMID:1379697</ref> <ref>PMID:1379698</ref> <ref>PMID:8622701</ref> <ref>PMID:8663044</ref> <ref>PMID:11353842</ref> <ref>PMID:12181353</ref> <ref>PMID:15117958</ref> <ref>PMID:16597617</ref> <ref>PMID:17623664</ref> <ref>PMID:17311277</ref> <ref>PMID:18480409</ref> <ref>PMID:19261810</ref> <ref>PMID:19224897</ref> <ref>PMID:21765395</ref> <ref>PMID:10830168</ref> <ref>PMID:19665973</ref> <ref>PMID:20133753</ref>
[[http://www.uniprot.org/uniprot/FGFR1_HUMAN FGFR1_HUMAN]] Tyrosine-protein kinase that acts as cell-surface receptor for fibroblast growth factors and plays an essential role in the regulation of embryonic development, cell proliferation, differentiation and migration. Required for normal mesoderm patterning and correct axial organization during embryonic development, normal skeletogenesis and normal development of the gonadotropin-releasing hormone (GnRH) neuronal system. Phosphorylates PLCG1, FRS2, GAB1 and SHB. Ligand binding leads to the activation of several signaling cascades. Activation of PLCG1 leads to the production of the cellular signaling molecules diacylglycerol and inositol 1,4,5-trisphosphate. Phosphorylation of FRS2 triggers recruitment of GRB2, GAB1, PIK3R1 and SOS1, and mediates activation of RAS, MAPK1/ERK2, MAPK3/ERK1 and the MAP kinase signaling pathway, as well as of the AKT1 signaling pathway. Promotes phosphorylation of SHC1, STAT1 and PTPN11/SHP2. In the nucleus, enhances RPS6KA1 and CREB1 activity and contributes to the regulation of transcription. FGFR1 signaling is down-regulated by IL17RD/SEF, and by FGFR1 ubiquitination, internalization and degradation.<ref>PMID:20139426</ref> <ref>PMID:1379697</ref> <ref>PMID:1379698</ref> <ref>PMID:8622701</ref> <ref>PMID:8663044</ref> <ref>PMID:11353842</ref> <ref>PMID:12181353</ref> <ref>PMID:15117958</ref> <ref>PMID:16597617</ref> <ref>PMID:17623664</ref> <ref>PMID:17311277</ref> <ref>PMID:18480409</ref> <ref>PMID:19261810</ref> <ref>PMID:19224897</ref> <ref>PMID:21765395</ref> <ref>PMID:10830168</ref> <ref>PMID:19665973</ref> <ref>PMID:20133753</ref>
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== Publication Abstract from PubMed ==
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Fibroblast growth factor receptor (FGFR) is a potential target for cancer therapy. Based on the structure of AZD4547 and NVPBGJ-398, we designed novel 1H-indazol-3-amine scaffold derivatives by utilizing scaffold hopping and molecular hybridization strategies. Consequently, twenty-eight new compounds were synthesized and evaluated for their inhibitory activity against FGFR1. Compound 7n bearing a 6-(3-methoxyphenyl)-1H-indazol-3-amine scaffold was first identified as a potent FGFR1 inhibitor, with good enzymatic inhibition (IC50 = 15.0 nM) and modest cellular inhibition (IC50 = 642.1 nM). The crystal structure of 7n bound to FGFR1 was obtained, which might provide a new basis for potent inhibitor design. Further structural optimization revealed that compound 7r stood out as the most potent FGFR1 inhibitor with the best enzyme inhibitory (IC50 = 2.9 nM) and cellular activity (IC50 = 40.5 nM).
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Design, synthesis and biological evaluation of novel FGFR inhibitors bearing an indazole scaffold.,Liu J, Peng X, Dai Y, Zhang W, Ren S, Ai J, Geng M, Li Y Org Biomol Chem. 2015 Jul 28;13(28):7643-54. doi: 10.1039/c5ob00778j. Epub 2015, Jun 17. PMID:26080733<ref>PMID:26080733</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
== References ==
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Revision as of 08:23, 22 July 2015

Crystal structure of FGFR1 kinase domain in complex with 7n

4zsa, resolution 2.00Å

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