The SARS-CoV-2 B.1.618 variant slightly alters the spike RBD–ACE2 binding affinity and is an antibody escaping variant: a computational structural perspective

Author:

Khan Abbas1ORCID,Gui Jianjun2,Ahmad Waqar3,Haq Inamul4ORCID,Shahid Marukh5,Khan Awais Ahmed6,Shah Abdullah7,Khan Arsala8,Ali Liaqat9,Anwar Zeeshan10,Safdar Muhammad11,Abubaker Jehad12,Uddin N. Nizam13,Cao Liqiang14,Wei Dong-Qing11516ORCID,Mohammad Anwar17

Affiliation:

1. Department of Bioinformatics and Biological Statistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China

2. Department of Emergency, Shiyan People's Hospital, Bao'an District, Shenzhen, China

3. Department of Microbiology, Abdul Wali Khan University, Mardan, Khyber Pakhtunkhwa, Pakistan

4. Department of Animal Sciences, Jeonbuk National University, 567 Baekji-Daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea

5. Department of Botany, University of Okara, Okara, Punjab, Pakistan

6. Department of Pathology, University of Sargodha, Punjab, Pakistan

7. Department of Biotechnology, Shaheed Benazir Bhutto University, Dir, Sheringal, Pakistan

8. Department of Pathology, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan

9. Department of Biosciences, COMSATS University, Islamabad, 45550, Pakistan

10. Department of Pharmacy, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa, Pakistan

11. Faculty of Pharmacy, Gomal University, DI Khan, Khyber Pakhtunkhwa, Pakistan

12. Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Kuwait

13. Biomedical Engineering Department, HITEC University, Taxila, Punjab, Pakistan

14. Henan University of Technology (HAUT), Zhengzhou, P. R. China

15. State Key Laboratory of Microbial Metabolism, Shanghai-Islamabad-Belgrade Joint Innovation Center on Antibacterial Resistances, Joint Laboratory of International Laboratory of Metabolic and Developmental Sciences, Ministry of Education and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200030, P. R. China

16. Peng Cheng Laboratory, Vanke Cloud City Phase I Building 8, Xili Street, Nashan District, Shenzhen, Guangdong, 518055, P. R China

17. Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait

Abstract

This study explored the binding patterns of the wild type and B.1.618 variant using which revealed that the B.1.618 variant possess a stronger binding affinity for the host ACE2 and escape the neutralizing antibodies.

Funder

National Natural Science Foundation of China

Science and Technology Commission of Shanghai Municipality

Natural Science Foundation of Henan Province

Shanghai Jiao Tong University

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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