9z4x

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m (Protected "9z4x" [edit=sysop:move=sysop])
Current revision (06:40, 26 November 2025) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 9z4x is ON HOLD
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==MENIN IN COMPLEX WITH JNJ-75276617 (Bleximenib)==
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<StructureSection load='9z4x' size='340' side='right'caption='[[9z4x]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9z4x]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9Z4X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9Z4X FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.95&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=9N6:N-ethyl-5-fluoro-2-{[5-(2-{(3R)-6-[(2-methoxyethyl)(methyl)amino]-2-methylhexan-3-yl}-2,6-diazaspiro[3.4]octan-6-yl)-1,2,4-triazin-6-yl]oxy}-N-(propan-2-yl)benzamide'>9N6</scene>, <scene name='pdbligand=BME:BETA-MERCAPTOETHANOL'>BME</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9z4x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9z4x OCA], [https://pdbe.org/9z4x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9z4x RCSB], [https://www.ebi.ac.uk/pdbsum/9z4x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9z4x ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/MEN1_HUMAN MEN1_HUMAN] Defects in MEN1 are the cause of familial multiple endocrine neoplasia type I (MEN1) [MIM:[https://omim.org/entry/131100 131100]. Autosomal dominant disorder characterized by tumors of the parathyroid glands, gastro-intestinal endocrine tissue, the anterior pituitary and other tissues. Cutaneous lesions and nervous-tissue tumors can exist. Prognosis in MEN1 patients is related to hormonal hypersecretion by tumors, such as hypergastrinemia causing severe peptic ulcer disease (Zollinger-Ellison syndrome, ZES), primary hyperparathyroidism, and acute forms of hyperinsulinemia.<ref>PMID:14992727</ref> <ref>PMID:9989505</ref> <ref>PMID:9103196</ref> <ref>PMID:17555499</ref> <ref>PMID:9215689</ref> <ref>PMID:9215690</ref> <ref>PMID:9463336</ref> <ref>PMID:9683585</ref> <ref>PMID:9820618</ref> <ref>PMID:9671267</ref> <ref>PMID:10660339</ref> <ref>PMID:9506756</ref> <ref>PMID:9709921</ref> <ref>PMID:9709976</ref> <ref>PMID:9709985</ref> <ref>PMID:9740255</ref> <ref>PMID:9747036</ref> <ref>PMID:9832038</ref> <ref>PMID:10617276</ref> <ref>PMID:10229909</ref> <ref>PMID:10576763</ref> <ref>PMID:9888389</ref> <ref>PMID:10090472</ref> <ref>PMID:10534569</ref> <ref>PMID:10993647</ref> <ref>PMID:10849016</ref> <ref>PMID:10664520</ref> <ref>PMID:11102994</ref> <ref>PMID:11134142</ref> <ref>PMID:11241849</ref> <ref>PMID:12112656</ref> <ref>PMID:12417605</ref> <ref>PMID:12050235</ref> <ref>PMID:12699448</ref> <ref>PMID:12791038</ref> <ref>PMID:12652570</ref> <ref>PMID:14686752</ref> <ref>PMID:12746426</ref> <ref>PMID:15730416</ref> <ref>PMID:15714081</ref> Defects in MEN1 are the cause of familial isolated hyperparathyroidism (FIHP) [MIM:[https://omim.org/entry/145000 145000]; also known as hyperparathyroidism type 1 (HRPT1). FIHP is an autosomal dominant disorder characterized by hypercalcemia, elevated parathyroid hormone (PTH) levels, and uniglandular or multiglandular parathyroid tumors.<ref>PMID:9888389</ref> <ref>PMID:12699448</ref> <ref>PMID:9792884</ref> <ref>PMID:9843042</ref> <ref>PMID:10664521</ref> <ref>PMID:10634381</ref> <ref>PMID:12016470</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/MEN1_HUMAN MEN1_HUMAN] Essential component of a MLL/SET1 histone methyltransferase (HMT) complex, a complex that specifically methylates 'Lys-4' of histone H3 (H3K4). Functions as a transcriptional regulator. Binds to the TERT promoter and represses telomerase expression. Plays a role in TGFB1-mediated inhibition of cell-proliferation, possibly regulating SMAD3 transcriptional activity. Represses JUND-mediated transcriptional activation on AP1 sites, as well as that mediated by NFKB subunit RELA. Positively regulates HOXC8 and HOXC6 gene expression. May be involved in normal hematopoiesis through the activation of HOXA9 expression (By similarity). May be involved in DNA repair.<ref>PMID:11526476</ref> <ref>PMID:11274402</ref> <ref>PMID:12874027</ref> <ref>PMID:12837246</ref> <ref>PMID:14992727</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The interaction between menin and histone-lysine N-methyltransferase 2A (KMT2A) is a critical dependency for KMT2A- or nucleophosmin 1 (NPM1)-altered leukemias and an emerging opportunity for therapeutic development. JNJ-75276617 (bleximenib) is a novel, orally bioavailable, potent, and selective protein-protein interaction inhibitor of the binding between menin and KMT2A. In KMT2A-rearranged (KMT2A-r) and NPM1-mutant (NPM1c) acute myeloid leukemia (AML) cells, JNJ-75276617 inhibited the association of the menin-KMT2A complex with chromatin at target gene promoters, resulting in reduced expression of several menin-KMT2A target genes, including MEIS1 and FLT3. JNJ-75276617 displayed potent antiproliferative activity across several AML and acute lymphoblastic leukemia (ALL) cell lines and patient samples harboring KMT2A or NPM1 alterations in vitro. In xenograft models of AML and ALL, JNJ-75276617 reduced leukemic burden and provided a significant dose-dependent survival benefit accompanied by expression changes of menin-KMT2A target genes. JNJ-75276617 demonstrated synergistic effects with gilteritinib in vitro in AML cells harboring KMT2A-r. JNJ-75276617 further exhibited synergistic effects with venetoclax and azacitidine in AML cells bearing KMT2A-r in vitro, and significantly increased survival in mice. Interestingly, JNJ-75276617 showed potent antiproliferative activity in cell lines engineered with recently discovered mutations (MEN1M327I or MEN1T349M) that developed in patients refractory to the menin-KMT2A inhibitor revumenib. A cocrystal structure of menin in complex with JNJ-75276617 indicates a unique binding mode distinct from other menin-KMT2A inhibitors, including revumenib. JNJ-75276617 is being clinically investigated for acute leukemias harboring KMT2A or NPM1 alterations, as a monotherapy for relapsed/refractory acute leukemia (NCT04811560), or in combination with AML-directed therapies (NCT05453903).
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Authors: Shaffer, P.L.
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Preclinical efficacy of the potent, selective menin-KMT2A inhibitor JNJ-75276617 (bleximenib) in KMT2A- and NPM1-altered leukemias.,Kwon MC, Thuring JW, Querolle O, Dai X, Verhulst T, Pande V, Marien A, Goffin D, Wenge DV, Yue H, Cutler JA, Jin C, Perner F, Hogeling SM, Shaffer PL, Jacobs F, Vinken P, Cai W, Keersmaekers V, Eyassu F, Bhogal B, Verstraeten K, El Ashkar S, Perry JA, Jayaguru P, Barreyro L, Kuchnio A, Darville N, Krosky D, Urbanietz G, Verbist B, Edwards JP, Cowley GS, Kirkpatrick R, Steele R, Ferrante L, Guttke C, Daskalakis N, Pietsch EC, Wilson DM, Attar R, Elsayed Y, Fischer ES, Schuringa JJ, Armstrong SA, Packman K, Philippar U Blood. 2024 Sep 12;144(11):1206-1220. doi: 10.1182/blood.2023022480. PMID:38905635<ref>PMID:38905635</ref>
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Description: MENIN IN COMPLEX WITH JNJ-75276617 (Bleximenib)
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Shaffer, P.L]]
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<div class="pdbe-citations 9z4x" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Shaffer PL]]

Current revision

MENIN IN COMPLEX WITH JNJ-75276617 (Bleximenib)

PDB ID 9z4x

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