Annotations: 7D7S

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	SH3-domain	8101407	3000153	SCOP2B (2022-06-29)
D	SCOP2 Family	SH3-domain	8101406	4000369	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	SH3-domain	8101407	3000153	SCOP2 (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	PF00469	e7d7sB1	A: a+b three layers	X: Regulatory factor Nef (From Topology)	H: Regulatory factor Nef (From Topology)	T: Regulatory factor Nef	F: PF00469	ECOD (1.6)
A	PF00469	e7d7sA1	A: a+b three layers	X: Regulatory factor Nef (From Topology)	H: Regulatory factor Nef (From Topology)	T: Regulatory factor Nef	F: PF00469	ECOD (1.6)
C	PF00018	e7d7sC1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF00018	ECOD (1.6)
D	PF00018	e7d7sD1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF00018	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00469	Negative factor, (F-Protein) or Nef (F-protein)	Negative factor, (F-Protein) or Nef	-	Family
C, D	PF00018	SH3 domain (SH3_1)	SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein Nef	SH3 domain binding protein binding binding protein domain specific binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding SH3 domain binding protein binding binding protein domain specific binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	import into cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization biological process involved in interaction with host vesicle-mediated transport biological process involved in symbiotic interaction localization symbiont entry into host cell viral process symbiont entry into host cellular process endocytosis involved in viral entry into host cell import into cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization biological process involved in interaction with host vesicle-mediated transport biological process involved in symbiotic interaction localization symbiont entry into host cell viral process symbiont entry into host cellular process endocytosis involved in viral entry into host cell endocytosis transport of virus symbiont-mediated perturbation of host defense response response to host defenses response to stimulus response to other organism symbiont-mediated perturbation of host immune response response to defenses of other organism response to external stimulus response to biotic stimulus symbiont-mediated suppression of host immune response modulation by symbiont of host process response to host immune response symbiont-mediated suppression of host antigen processing and presentation of peptide antigen via MHC class I symbiont-mediated suppression of host antigen processing and presentation response to host response to external biotic stimulus modulation of process of another organism symbiont-mediated suppression of host adaptive immune response suppression by virus of host autophagy modulation by virus of host autophagy modulation by virus of host process modulation by virus of host cellular process symbiont-mediated suppression of host antigen processing and presentation of peptide antigen via MHC class II cellular response to stimulus regulation of cellular process positive regulation of phosphorylation regulation of catalytic activity regulation of transferase activity positive regulation of phosphate metabolic process cell surface receptor protein tyrosine kinase signaling pathway regulation of primary metabolic process cell communication cellular component biogenesis positive regulation of metabolic process cellular component assembly regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process signal transduction phosphorus metabolic process protein modification process positive regulation of protein phosphorylation activation of transmembrane receptor protein tyrosine kinase activity regulation of biological process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation cellular metabolic process regulation of protein metabolic process regulation of cellular metabolic process primary metabolic process regulation of molecular function positive regulation of kinase activity regulation of kinase activity activation of protein kinase activity macromolecule modification regulation of phosphorus metabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation signaling positive regulation of protein metabolic process positive regulation of biological process positive regulation of cellular metabolic process cellular component organization positive regulation of molecular function positive regulation of protein modification process organic substance metabolic process protein-containing complex assembly cellular component organization or biogenesis protein metabolic process positive regulation of protein kinase activity enzyme-linked receptor protein signaling pathway positive regulation of cellular process organonitrogen compound metabolic process positive regulation of transferase activity cell surface receptor signaling pathway protein-containing complex organization biological regulation positive regulation of catalytic activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of phosphorylation	membrane cellular anatomical entity extracellular region virion component host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system membrane cellular anatomical entity extracellular region virion component host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region
C, D	Tyrosine-protein kinase Fyn	-	-	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001558	HIV negative factor Nef	Family
A, B	IPR027480	HIV-1 Nef protein, anchor domain superfamily	Homologous Superfamily
A, B	IPR027481	HIV-1 Nef protein, core domain superfamily	Homologous Superfamily
C, D	IPR001452	SH3 domain	Domain
C, D	IPR043539	Grb2-like	Family
C, D	IPR036028	SH3-like domain superfamily	Homologous Superfamily
C, D	IPR035750	Fyn/Yrk, SH3 domain	Domain
C, D	IPR036860	SH2 domain superfamily	Homologous Superfamily
C, D	IPR000980	SH2 domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.