Annotations: 5H9N

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GP120	e5h9nA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: GP120	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.128.20	Mainly Beta	Beta Barrel	Lipocalin	Calycin beta-barrel core domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Lipocalin AI-4	-	biological process involved in interspecies interaction between organisms response to stimulus response to other organism symbiont-mediated perturbation of host defenses symbiont-mediated response to host defenses response to external stimulus response to biotic stimulus biological process involved in interaction with host biological process involved in symbiotic interaction response to host response to external biotic stimulus	cellular anatomical structure extracellular region