+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 5lsf | ||||||
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タイトル | Sacbrood honeybee virus | ||||||
要素 |
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キーワード | VIRUS / Iflaviridae / external VP4 | ||||||
機能・相同性 | 機能・相同性情報 host cell membrane / viral capsid / host cell cytoplasm / RNA helicase activity / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / DNA-templated transcription / structural molecule activity / proteolysis ...host cell membrane / viral capsid / host cell cytoplasm / RNA helicase activity / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / DNA-templated transcription / structural molecule activity / proteolysis / RNA binding / ATP binding / membrane / cytoplasm 類似検索 - 分子機能 | ||||||
生物種 | Sacbrood virus (ウイルス) | ||||||
手法 | X線回折 / シンクロトロン / 分子置換 / 解像度: 2.1 Å | ||||||
データ登録者 | Plevka, P. / Veselikova, M. | ||||||
資金援助 | チェコ, 1件
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引用 | ジャーナル: Proc Natl Acad Sci U S A / 年: 2018 タイトル: Virion structure and genome delivery mechanism of sacbrood honeybee virus. 著者: Michaela Procházková / Tibor Füzik / Karel Škubník / Jana Moravcová / Zorica Ubiparip / Antonín Přidal / Pavel Plevka / 要旨: Infection by sacbrood virus (SBV) from the family Iflaviridae is lethal to honey bee larvae but only rarely causes the collapse of honey bee colonies. Despite the negative effect of SBV on honey ...Infection by sacbrood virus (SBV) from the family Iflaviridae is lethal to honey bee larvae but only rarely causes the collapse of honey bee colonies. Despite the negative effect of SBV on honey bees, the structure of its particles and mechanism of its genome delivery are unknown. Here we present the crystal structure of SBV virion and show that it contains 60 copies of a minor capsid protein (MiCP) attached to the virion surface. No similar MiCPs have been previously reported in any of the related viruses from the order Picornavirales. The location of the MiCP coding sequence within the SBV genome indicates that the MiCP evolved from a C-terminal extension of a major capsid protein by the introduction of a cleavage site for a virus protease. The exposure of SBV to acidic pH, which the virus likely encounters during cell entry, induces the formation of pores at threefold and fivefold axes of the capsid that are 7 Å and 12 Å in diameter, respectively. This is in contrast to vertebrate picornaviruses, in which the pores along twofold icosahedral symmetry axes are currently considered the most likely sites for genome release. SBV virions lack VP4 subunits that facilitate the genome delivery of many related dicistroviruses and picornaviruses. MiCP subunits induce liposome disruption in vitro, indicating that they are functional analogs of VP4 subunits and enable the virus genome to escape across the endosome membrane into the cell cytoplasm. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 5lsf.cif.gz | 179.3 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb5lsf.ent.gz | 139.3 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 5lsf.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
その他 | その他のダウンロード |
-検証レポート
文書・要旨 | 5lsf_validation.pdf.gz | 446.3 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 5lsf_full_validation.pdf.gz | 454.1 KB | 表示 | |
XML形式データ | 5lsf_validation.xml.gz | 33.2 KB | 表示 | |
CIF形式データ | 5lsf_validation.cif.gz | 47.6 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/ls/5lsf ftp://data.pdbj.org/pub/pdb/validation_reports/ls/5lsf | HTTPS FTP |
-関連構造データ
-リンク
-集合体
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対称性 | 点対称性: (シェーンフリース記号: I (正20面体型対称)) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
非結晶学的対称性 (NCS) | NCS oper:
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