- EMDB-38650: Additional map for SARS-CoV-2 Spike D614G variant, one RBD-up con... -
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データベース: EMDB / ID: EMD-38650
タイトル
Additional map for SARS-CoV-2 Spike D614G variant, one RBD-up conformation 1 (PDB ID: 7EAZ; EMD-31047). Map was generated from heterogeneous refinement with downsampling in CryoSPARC
マップデータ
Additional map for SARS-CoV-2 Spike D614G variant, one RBD-up conformation 1 (PDB ID: 7EAZ; EMD-31047). Map was generated from heterogeneous refinement with downsampling
試料
細胞器官・細胞要素: SARS-CoV-2 spike glycoprotein
タンパク質・ペプチド: Spike glycoprotein
キーワード
SARS-CoV-2 / Spike protein / VIRAL PROTEIN
生物種
Severe acute respiratory syndrome coronavirus 2 (ウイルス)
ジャーナル: Cell / 年: 2024 タイトル: Rapid simulation of glycoprotein structures by grafting and steric exclusion of glycan conformer libraries. 著者: Yu-Xi Tsai / Ning-En Chang / Klaus Reuter / Hao-Ting Chang / Tzu-Jing Yang / Sören von Bülow / Vidhi Sehrawat / Noémie Zerrouki / Matthieu Tuffery / Michael Gecht / Isabell Louise Grothaus ...著者: Yu-Xi Tsai / Ning-En Chang / Klaus Reuter / Hao-Ting Chang / Tzu-Jing Yang / Sören von Bülow / Vidhi Sehrawat / Noémie Zerrouki / Matthieu Tuffery / Michael Gecht / Isabell Louise Grothaus / Lucio Colombi Ciacchi / Yong-Sheng Wang / Min-Feng Hsu / Kay-Hooi Khoo / Gerhard Hummer / Shang-Te Danny Hsu / Cyril Hanus / Mateusz Sikora / 要旨: Most membrane proteins are modified by covalent addition of complex sugars through N- and O-glycosylation. Unlike proteins, glycans do not typically adopt specific secondary structures and remain ...Most membrane proteins are modified by covalent addition of complex sugars through N- and O-glycosylation. Unlike proteins, glycans do not typically adopt specific secondary structures and remain very mobile, shielding potentially large fractions of protein surface. High glycan conformational freedom hinders complete structural elucidation of glycoproteins. Computer simulations may be used to model glycosylated proteins but require hundreds of thousands of computing hours on supercomputers, thus limiting routine use. Here, we describe GlycoSHIELD, a reductionist method that can be implemented on personal computers to graft realistic ensembles of glycan conformers onto static protein structures in minutes. Using molecular dynamics simulation, small-angle X-ray scattering, cryoelectron microscopy, and mass spectrometry, we show that this open-access toolkit provides enhanced models of glycoprotein structures. Focusing on N-cadherin, human coronavirus spike proteins, and gamma-aminobutyric acid receptors, we show that GlycoSHIELD can shed light on the impact of glycans on the conformation and activity of complex glycoproteins.
ダウンロード / ファイル: emd_38650.map.gz / 形式: CCP4 / 大きさ: 8 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
注釈
Additional map for SARS-CoV-2 Spike D614G variant, one RBD-up conformation 1 (PDB ID: 7EAZ; EMD-31047). Map was generated from heterogeneous refinement with downsampling