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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 9d6c | |||||||||
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タイトル | Gag CA-SP1 immature lattice bound with Lenacapavir and Bevirimat from enveloped virus like particles | |||||||||
![]() | Gag | |||||||||
![]() | VIRUS LIKE PARTICLE / HIV-1 / Gag / CA-SP1 / Inhibitor / virion assembly | |||||||||
機能・相同性 | ![]() Synthesis And Processing Of GAG, GAGPOL Polyproteins / host cellular component / host cell nuclear membrane / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / 2-LTR circle formation / Uncoating of the HIV Virion / Vpr-mediated nuclear import of PICs ...Synthesis And Processing Of GAG, GAGPOL Polyproteins / host cellular component / host cell nuclear membrane / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / 2-LTR circle formation / Uncoating of the HIV Virion / Vpr-mediated nuclear import of PICs / viral budding via host ESCRT complex / Early Phase of HIV Life Cycle / Integration of provirus / APOBEC3G mediated resistance to HIV-1 infection / Binding and entry of HIV virion / Membrane binding and targetting of GAG proteins / Assembly Of The HIV Virion / Budding and maturation of HIV virion / host multivesicular body / viral nucleocapsid / viral translational frameshifting / host cell plasma membrane / virion membrane / structural molecule activity / RNA binding / zinc ion binding / membrane 類似検索 - 分子機能 | |||||||||
生物種 | ![]() | |||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.1 Å | |||||||||
![]() | Wu, C. / Meuser, M.E. / Xiong, Y. | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural insights into inhibitor mechanisms on immature HIV-1 Gag lattice revealed by high-resolution single-particle cryo-EM. 著者: Chunxiang Wu / Megan E Meuser / Juan S Rey / Hamed Meshkin / Rachel Yang / Swapnil Chandrakant Devarkar / Christian Freniere / Jiong Shi / Christopher Aiken / Juan R Perilla / Yong Xiong / ![]() 要旨: HIV-1 inhibitors, such as Bevirimat (BVM) and Lenacapavir (LEN), block the production and maturation of infectious virions. However, their mechanisms remain unclear due to the absence of high- ...HIV-1 inhibitors, such as Bevirimat (BVM) and Lenacapavir (LEN), block the production and maturation of infectious virions. However, their mechanisms remain unclear due to the absence of high-resolution structures for BVM complexes and LEN's structural data being limited to the mature capsid. Utilizing perforated virus-like particles (VLPs) produced from mammalian cells, we developed an approach to determine cryo-electron microscopy (cryo-EM) structures of HIV-1 with inhibitors. This allowed for the first structural determination of the native immature HIV-1 particle with BVM and LEN bound inside the VLPs at high resolutions. Our findings offer a more accurate model of BVM engaging the Gag lattice and, importantly, demonstrate that LEN not only binds the mature capsid but also targets the immature lattice in a distinct manner. The binding of LEN induces a conformational change in the capsid protein (CA) region and alters the architecture of the Gag lattice, which may affect the maturation process. These insights expand our understanding of the inhibitory mechanisms of BVM and LEN on HIV-1 and provide valuable clues for the design of future inhibitors. | |||||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 1 MB | 表示 | ![]() |
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PDB形式 | ![]() | 696.4 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-関連構造データ
関連構造データ | ![]() 46593MC ![]() 9cwvC ![]() 9d6dC ![]() 9d6eC ![]() 9d88C ![]() 9dwdC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
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集合体
登録構造単位 | ![]()
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要素
#1: タンパク質 | 分子量: 25700.475 Da / 分子数: 18 / 断片: CA-SP1 domains (UNP residues 141-372) / 変異: T239I / 由来タイプ: 組換発現 由来: (組換発現) ![]() 株: isolate HXB2 / 遺伝子: gag / プラスミド: pCMV-Gag-opt / 細胞株 (発現宿主): HEK293T / 発現宿主: ![]() #2: 化合物 | ChemComp-QNG / #3: 化合物 | ChemComp-2I4 / #4: 化合物 | ChemComp-IHP / #5: 水 | ChemComp-HOH / | 研究の焦点であるリガンドがあるか | Y | Has protein modification | N | |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: Human immunodeficiency virus type 1 (NEW YORK-5 ISOLATE) タイプ: VIRUS 詳細: A codon-optimized Gag plasmid with T8I mutation in the SP1 domain (pCMV-Gag-opt) was expressed in HEK293T cells. The enveloped virion like particles were purified by filtration and ...詳細: A codon-optimized Gag plasmid with T8I mutation in the SP1 domain (pCMV-Gag-opt) was expressed in HEK293T cells. The enveloped virion like particles were purified by filtration and ultracentrifugation, and directly used as cryo-EM sample. Entity ID: #1 / 由来: RECOMBINANT | ||||||||||||||||||||
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由来(天然) | 生物種: ![]() 株: Clone pNL4-3 | ||||||||||||||||||||
由来(組換発現) | 生物種: ![]() | ||||||||||||||||||||
ウイルスについての詳細 | 中空か: YES / エンベロープを持つか: YES / 単離: STRAIN / タイプ: VIRUS-LIKE PARTICLE | ||||||||||||||||||||
天然宿主 | 生物種: Homo sapiens | ||||||||||||||||||||
ウイルス殻 | 名称: Gag | ||||||||||||||||||||
緩衝液 | pH: 7.4 詳細: This is the final buffer in which the enveloped viral like particle was resuspended. The Gag-CA-SP1 lattice is inside the viral like particle and thus not in the direct environment of this buffer. | ||||||||||||||||||||
緩衝液成分 |
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試料 | 濃度: 2 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES 詳細: A codon-optimized Gag plasmid with T8I mutation in the SP1 domain (pCMV-Gag-opt) was expressed in HEK293T cells. The enveloped virion like particles were purified by filtration and ...詳細: A codon-optimized Gag plasmid with T8I mutation in the SP1 domain (pCMV-Gag-opt) was expressed in HEK293T cells. The enveloped virion like particles were purified by filtration and ultracentrifugation, and directly used as cryo-EM sample. | ||||||||||||||||||||
試料支持 | 詳細: 15 mA current / グリッドの材料: COPPER / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R2/1 | ||||||||||||||||||||
急速凍結 | 装置: FEI VITROBOT MARK III / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 295 K |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 81000 X / 最大 デフォーカス(公称値): 2200 nm / 最小 デフォーカス(公称値): 1200 nm / Cs: 2.7 mm / C2レンズ絞り径: 50 µm |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 50 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
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解析
EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
対称性 | 点対称性: C6 (6回回転対称) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 2.1 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 1323040 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子モデル構築 | プロトコル: RIGID BODY FIT / 空間: REAL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子モデル構築 | PDB-ID: 9CWV Accession code: 9CWV / Source name: PDB / タイプ: experimental model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化 | 交差検証法: NONE 立体化学のターゲット値: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 68.45 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
拘束条件 |
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