Annotations: 3IA9

Crystal structure of a chemically synthesized [D25N]HIV-1 protease molecule complexed with MVT-101 reduced isostere inhibitor

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Acid proteases	8098156	3001059	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Acid proteases	8098156	3001059	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	FeoB_Cyto	e3ia9B1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: FeoB_Cyto	ECOD (v295.2)
A	FeoB_Cyto	e3ia9A1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: FeoB_Cyto	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)
A	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	[D25N]HIV-1 protease	aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR034170	Retropepsin-like catalytic domain	Domain
A, B	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
A, B	IPR001969	Aspartic peptidase, active site	Active Site
A, B	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
A, B	IPR018061	Retropepsins	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	ABA	Parent Component: ALA : AA0253 , AA0409 : S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819
A, B	NLE	Parent Component: LEU : AA0253 , AA0409
A, B	YCM	Parent Component: CYS : AA0253 , AA0409