Target intelligence / Profile preview

Poliovirus Type 3 Capsid Protein (Sabin Strain)

Molecular classification
Viral protein, Structural protein, Capsid protein
01

Overview

The poliovirus type 3 capsid protein from the Sabin strain forms part of an attenuated live-virus vaccine that safely induces immunity against polio through robust antibody responses targeting its structural components while carrying a low risk profile when administered appropriately. Its structure-function relationship underpins both its effectiveness as a vaccine antigen and rare risks associated with genetic reversion during human replication cycles.

Other names
Poliovirus 3 Capsid ProteinSabin Strain Capsid ProteinVP1VP2VP3VP4P1 polyprotein
02

Mechanism of action

Antibody neutralization of viral infectivity

03

Biological functions

Viral genome protectionHost cell attachmentHost cell entryImmune response induction
04

Disease associations

PoliomyelitisVaccine-associated paralytic poliomyelitis (VAPP)
05

Safety considerations

Genetic reversion to neurovirulenceVaccine-associated paralytic poliomyelitis (VAPP)
06

Interacting drugs

None (targeted by vaccine-induced antibodies)

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