Author Archives: shanzhu

Sequence Analysis-generating, formatting, and analyzing short DNA and protein sequences

Sequence Manipulation Suite – Sequence Analysis-generating, formatting, and analyzing short DNA and protein sequences The Sequence Manipulation Suite is a collection of JavaScript programs for generating, formatting, and analyzing short DNA and protein sequences. It is commonly used by molecular biologists, for teaching, and for program and algorithm testing. -Codon Plot -Codon Usage -CpG Islands […]

COVID-19 pandemic, Coronavirus (Coronavirus) and genome of SARS-CoV-2 (2019nCoV)

About COVID-19 pandemic, Coronavirus (Coronavirus) and genome of SARS-CoV-2 (2019nCoV) COVID-19 pandemic is caused by 2019nCoV (SARS-CoV-2, a novel coronavirus) infection.The 2019-nCoV genome was annotated to possess 14 ORFs encoding 27 proteins1. Figure. Schematic representative of genome structure and encoded gene of SARS-CoV-2 (2019nCoV)1 Table.Genome Annotation of 2019-nCoV1     Protein length(aa) orf1a 266-13483 4405 […]

SARS-CoV-2 (2019nCoV, novel Coronavirus)Non-structure protein (Nsp1-Nsp16)

About SARS-CoV-2 (2019nCoV, novel Coronavirus)Non-structure protein (Nsp1-Nsp16) 2019nCoV contains 16 Non-structure protein (Nsp1-Nsp16) that may be drugable targets for antiviral compounds discovery against COVID-191. Non-structure protein(NSP)information of SARS-CoV-2 (2019nCoV)1         nsp1 1 180 180 (leader protein) nsp2 181 818 638 nsp3 819 2763 1945 (Papain-Like proteinase, PLpro) nsp4 2764 3263 500 nsp5 […]

SARS-CoV-2 (2019nCoV, novel Coronavirus) Nucleocapsid protein (Coronavirus N protein)

About SARS-CoV-2 (2019nCoV, novel Coronavirus) Nucleocapsid protein (Coronavirus N protein) 1. SARS-CoV-2 (2019nCoV) N protein: Coronavirus N protein is required for coronavirus RNA synthesis, and has RNA chaperone activity that may be involved in template switch. Nucleocapsid protein is a most abundant protein of coronavirus. N protein packages the positive strand viral genome RNA into a helical […]

SARS-CoV-2 (2019nCoV, novel Coronavirus) membrane protein (Coronavirus M protein)

About SARS-CoV-2 (2019nCoV, novel Coronavirus) membrane protein (Coronavirus M protein) 1. SARS-CoV-2 (2019nCoV) M protein: Coronavirus M protein is believed to define the shape of the viral envelope,which contains three transmembrane domains. It has a small N-terminal glycosylated ectodomain and a much larger C-terminal endodomain that extends 6–8 nm into the viral particle. M protein usualy exists […]

SARS-CoV-2 (2019nCoV, novel Coronavirus) Envelop protein (Coronavirus E protein)

About SARS-CoV-2 (2019nCoV, novel Coronavirus) Envelop protein (Coronavirus E protein) 1. SARS-CoV-2 (2019nCoV) E protein: E protein is the smallest major structural proteins. It has a N-terminal ectodomain and a C-terminal endodomain with ion channel activity. During the replication cycle, E protein is abundantly expressed inside the infected cell, but only a small portion is incorporated into […]

SARS-CoV-2 (2019nCoV, novel Coronavirus) Spike protein, S1 Protein, Spike S1-NTD, Spike S1-CTD, Spike-RBD and Spike trimer protein.

About SARS-CoV-2 (2019nCoV, novel Coronavirus) Spike protein, S1 Protein, Spike S1-NTD, Spike S1-CTD, Spike-RBD and Spike trimer protein. 1. SARS-CoV-2 (2019nCoV) Spike protein: SARS-CoV-2, a newly emerged pathogen spreading worldwide. The transmembrane spike (S) glycoprotein of SARS-CoV-2 that forms homotrimers protruding from the viral surface is known to mediate coronavirus entry into host cells. It has been […]

Validation of SARS-CoV-2 (2019nCoV) codon-optimized (CO) Spike overexpression in HEK293 cell line by GeneMedi’s adenoviral and lentiviral vector

Figure. Validation of SARS-CoV-2 (2019nCoV) codon optimized (CO) Spike expression in HEK293 cell line by GeneMedi’s adenoviral vector (GMV-V-2019nCoV-053, GMV-V-2019nCoV-047) and lentiviral vector (GMV-V-2019nCoV-051) with Immunofluorescence (left) and Western Blot (right) by FLAG antibody. Collection of COVID-19 landscape knowledge base Viral vector-based vaccine; DNA-based vaccine; RNA based vaccine – A landscape for vaccine technology against infectious disease, COVID-19 and tumor. COVID-19 landscape […]

Pre-made gene ORF plasmids for 2019 nCoV (SARS2 coronavirus, COVID-19)

About Pre-made gene ORF plasmids for 2019 nCoV (SARS2 coronavirus, COVID-19) COVID-19, a novel pathogenic coronavirus (2019-nCoV or SARS-CoV2) induced disease, emerged in China and spread globally rapidly. GeneMedi offers pre-made gene ORF plasmids for 2019 nCoV (SARS2 coronavirus, COVID-19) as shown below: N protein(Nucleocapsid), S protein(Spike, full lenth), S1 protein(Spike), S protein RBDS protein […]

COVID-19 News and announcements collection on the new mutant variants

PSV validated Data Poster Download Protocol Download COVID-19 News and announcements collection on the new mutant variants of the SARS-CoV-2 (2019nCoV) virus – PHE investigating a novel variant of COVID-19– Rapid evaluation confirms lateral flow devices effective in detecting new COVID-19 variant– Confirmed cases of COVID-19 variant from South Africa identified in UK– Statement from […]