1QR9 | pdb_00001qr9

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qr9a_	Coiled coil proteins	Stalk segment of viral fusion proteins	Virus ectodomain	Virus ectodomain	Retrovius gp41 protease-resistant core	(Human immunodeficiency virus 1 ) [TaxId: 11676 ],	SCOPe (2.08)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.287.210	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GP41 ENVELOPE PROTEIN	structural molecule activity	viral process membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endosome host intracellular region virion component viral membrane viral envelope host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endosome host intracellular region virion component viral membrane viral envelope membrane host cell plasma membrane host cell membrane virion membrane