1PI7

Structure of the channel-forming trans-membrane domain of Virus protein "u" (Vpu) from HIV-1

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d1pi7a_	Peptides	Transmembrane helical fragments	Transmembrane helical fragments	Transmembrane helical fragments	Vpu protein	(Human immunodeficiency virus 1 ) [TaxId: 11676 ]

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A	PF00558	Vpu protein (Vpu)	Vpu protein	The Vpu protein contains an N-terminal transmembrane spanning region and a C-terminal cytoplasmic region. The HIV-1 Vpu protein stimulates virus production by enhancing the release of viral particles from infected cells. The VPU protein binds specif ...	The Vpu protein contains an N-terminal transmembrane spanning region and a C-terminal cytoplasmic region. The HIV-1 Vpu protein stimulates virus production by enhancing the release of viral particles from infected cells. The VPU protein binds specifically to CD4.	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	VPU protein	transporter activity ion channel activity cation channel activity cation transmembrane transporter activity ion transmembrane transporter activity channel activity inorganic molecular entity transmembrane transporter activity passive transmembrane transporter activity transmembrane transporter activity inorganic cation transmembrane transporter activity signaling receptor binding binding protein binding CD4 receptor binding	metabolic process catabolic process macromolecule catabolic process cellular process receptor catabolic process receptor metabolic process macromolecule metabolic process cellular metabolic process cellular catabolic process cellular macromolecule metabolic process organic substance metabolic process organic substance catabolic process viral process modulation by virus of host process modulation of process of other organism modulation by virus of host molecular function suppression by virus of host tetherin activity modulation by symbiont of host process modulation of molecular function in other organism biological process involved in symbiotic interaction biological process involved in interspecies interaction between organisms biological process involved in interaction with host modulation of process of other organism involved in symbiotic interaction modulation by symbiont of host molecular function modulation of molecular function in other organism involved in symbiotic interaction viral life cycle viral release from host cell exit from host exit from host cell movement in host environment	host cellular component host cell part host cell membrane host cell cellular anatomical entity membrane integral component of membrane intrinsic component of membrane

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.