Hex:5 HexNAc:4 NeuAc:2

Taxonomy

• Homo sapiens (Human)
• Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)

Protein

• Angiotensin-converting enzyme 2 / Homo sapiens    Q9BYF1
• Recombinant Spike glycoprotein (FreeStyle 293-F) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)    P0DTC2
• Recombinant Spike glycoprotein (HEK293) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)    P0DTC2

Source

• FreeStyle 293-F (CVCL_D603)  
• HEK293 (CVCL_0045)  

Reported structure

• N-Linked / Complex / NeuAc(?2-?)Gal(?1-?)GlcNAc(?1-?)Man(a1-3)[NeuAc(?2-?)Gal(?1-?)GlcNAc(?1-?)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc
• N-Linked / Complex / NeuAc(a2-6)Gal(b1-4)GlcNAc(b1-2)Man(a1-3)[NeuAc(a2-6)Gal(b1-4)GlcNAc(b1-2)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc

Composition

• Hex:5 HexNAc:4 NeuAc:2 (avg mass : 2224.0231 )

Disease

• COVID-19 (DOID:0080600)

Reference

• Virus-Receptor Interactions of Glycosylated SARS-CoV-2 Spike and Human ACE2 Receptor (2020 - Peng Zhao, Jeremy L. Praissman, Oliver C. Grant, Yongfei Cai, Tianshu Xiao, Katelyn E. Rosenbalm, Kazuhiro Aoki, Benjamin P. Kellman, Robert Bridger, Dan H. Barouch, Melinda A. Brindley, Nathan E. Lewis, Michael Tiemeyer, Bing Chen, Robert J. Woods, Lance Wells) / Status : Reviewed
• Site-specific N-glycosylation Characterization of Recombinant SARS-CoV-2 Spike Proteins using High-Resolution Mass Spectrometry (2020 - Yong Zhang, Wanjun Zhao, Yonghong Mao, Shisheng Wang, Yi Zhong, Tao Su, Meng Gong, Xiaofeng Lu, Jingqiu Cheng, Hao Yang) / Status : Reviewed
• Site-specific glycan analysis of the SARS-CoV-2 spike (2020 - Yasunori Watanabe, Joel D. Allen, Daniel Wrapp, Jason S. McLellan, Max Crispin) / Status : Unreviewed
• Comprehensive characterization of N- and O- glycosylation of SARS-CoV-2 human receptor angiotensin converting enzyme 2. (2020 - Asif Shajahan, Stephanie Archer-Hartmann, Nitin T. Supekar, Anne S. Gleinich, Christian Heiss, and Parastoo Azadi) / Status : Reviewed

Reported glycosite

• Angiotensin-converting enzyme 2 / Homo sapiens
  •        Undefined site
• Recombinant Spike glycoprotein (FreeStyle 293-F) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)
  •        Asn-1098
• Recombinant Spike glycoprotein (HEK293) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)
  •        Asn-122
  •        Asn-282

Mass spectrometry observed peptide

• TQSLLIVNNATNVVIK (16aa)
  •    P0DTC2    Asn-122     Recombinant Spike glycoprotein (HEK293) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)
• YNENGTITDAVDCALDPLSE (20aa)
  •    P0DTC2    Asn-282     Recombinant Spike glycoprotein (HEK293) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)
• NGTHWFVT (8aa)
  •    P0DTC2    Asn-1098     Recombinant Spike glycoprotein (FreeStyle 293-F) / Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)