Annotations: 1FS1

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1fs1a1	All alpha proteins	F-box domain	F-box domain	F-box domain	Skp2	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d1fs1c1	All alpha proteins	F-box domain	F-box domain	F-box domain	Skp2	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1fs1b1	All alpha proteins	Skp1 dimerisation domain-like	Skp1 dimerisation domain-like	Skp1 dimerisation domain-like	Cyclin A/CDK2-associated p45, Skp1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1fs1b2	Alpha and beta proteins (a+b)	POZ domain	POZ domain	BTB/POZ domain	Cyclin A/CDK2-associated p45, Skp1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d1fs1d1	All alpha proteins	Skp1 dimerisation domain-like	Skp1 dimerisation domain-like	Skp1 dimerisation domain-like	Cyclin A/CDK2-associated p45, Skp1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d1fs1d2	Alpha and beta proteins (a+b)	POZ domain	POZ domain	BTB/POZ domain	Cyclin A/CDK2-associated p45, Skp1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	F-box domain	8026299	4001927	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	F-box domain	8038678	3000567	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	F-box domain	8038678	3000567	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	POZ domain	8035033	3000894	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Skp1 dimerisation domain-like	8038683	3000564	SCOP2B (2022-06-29)
D	SCOP2 Family	Skp1 dimerisation domain-like	8026304	4001926	SCOP2 (2022-06-29)
D	SCOP2 Family	BTB/POZ domain	8022653	4001139	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Skp1 dimerisation domain-like	8038683	3000564	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	POZ domain	8035033	3000894	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)
A	F-box-like	e1fs1A1	A: alpha arrays	X: F-box domain (From Topology)	H: F-box domain (From Topology)	T: F-box domain	F: F-box-like	ECOD (1.6)
C	F-box-like	e1fs1C1	A: alpha arrays	X: F-box domain (From Topology)	H: F-box domain (From Topology)	T: F-box domain	F: F-box-like	ECOD (1.6)
B	Skp1_POZ	e1fs1B1	A: a+b two layers	X: POZ domain (From Topology)	H: POZ domain (From Topology)	T: POZ domain	F: Skp1_POZ	ECOD (1.6)
D	Skp1_POZ	e1fs1D1	A: a+b two layers	X: POZ domain (From Topology)	H: POZ domain (From Topology)	T: POZ domain	F: Skp1_POZ	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1280.50	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)
C	1.20.1280.50	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)
B	3.30.710.10	Alpha Beta	2-Layer Sandwich	Potassium Channel Kv1.1	Chain A	CATH (4.3.0)
D	3.30.710.10	Alpha Beta	2-Layer Sandwich	Potassium Channel Kv1.1	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF12937	F-box-like (F-box-like)	F-box-like	This is an F-box-like family.	Domain
B, D	PF01466	Skp1 family, dimerisation domain (Skp1)	Skp1 family, dimerisation domain	-	Domain
B, D	PF03931	Skp1 family, tetramerisation domain (Skp1_POZ)	Skp1 family, tetramerisation domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	CYCLIN A/CDK2-ASSOCIATED P19	identical protein binding protein binding binding	organonitrogen compound metabolic process protein polyubiquitination primary metabolic process organic substance metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein K48-linked ubiquitination protein modification by small protein conjugation protein modification by small protein conjugation or removal organonitrogen compound metabolic process protein polyubiquitination primary metabolic process organic substance metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein K48-linked ubiquitination protein modification by small protein conjugation protein modification by small protein conjugation or removal mitotic cell cycle process cellular process cell cycle phase transition cell cycle G1/S transition of mitotic cell cycle cell cycle G1/S phase transition mitotic cell cycle mitotic cell cycle phase transition cell cycle process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus regulation of biological process regulation of cellular process regulation of apoptotic process biological regulation apoptotic process regulation of programmed cell death cell death programmed cell death regulation of cell cycle defense response to virus response to virus cell cycle G2/M phase transition G2/M transition of mitotic cell cycle cellular response to stimulus positive regulation of cell communication response to organic substance positive regulation of signal transduction intracellular receptor signaling pathway response to lipid signaling positive regulation of biological process positive regulation of intracellular estrogen receptor signaling pathway regulation of signal transduction intracellular estrogen receptor signaling pathway hormone-mediated signaling pathway cell communication positive regulation of response to stimulus cellular response to endogenous stimulus response to hormone response to steroid hormone regulation of intracellular estrogen receptor signaling pathway regulation of intracellular steroid hormone receptor signaling pathway signal transduction cellular response to organic substance cellular response to steroid hormone stimulus response to organic cyclic compound positive regulation of cellular process cellular response to hormone stimulus regulation of signaling response to endogenous stimulus cellular response to organic cyclic compound positive regulation of intracellular steroid hormone receptor signaling pathway cellular response to chemical stimulus steroid hormone mediated signaling pathway regulation of response to stimulus response to chemical cellular response to lipid nuclear receptor signaling pathway regulation of cell communication intracellular steroid hormone receptor signaling pathway positive regulation of signaling organonitrogen compound catabolic process catabolic process proteolysis involved in protein catabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis SCF-dependent proteasomal ubiquitin-dependent protein catabolic process ubiquitin-dependent protein catabolic process organic substance catabolic process regulation of protein modification process positive regulation of protein metabolic process regulation of protein ubiquitination positive regulation of post-translational protein modification regulation of primary metabolic process positive regulation of metabolic process positive regulation of protein modification process positive regulation of macromolecule metabolic process regulation of protein modification by small protein conjugation or removal positive regulation of protein modification by small protein conjugation or removal positive regulation of protein ubiquitination regulation of protein polyubiquitination regulation of post-translational protein modification regulation of protein metabolic process regulation of macromolecule metabolic process positive regulation of protein polyubiquitination regulation of metabolic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle cytoplasm cytosol nucleoplasm cullin-RING ubiquitin ligase complex protein-containing complex ubiquitin ligase complex catalytic complex SCF ubiquitin ligase complex transferase complex intracellular protein-containing complex
B, D	CYCLIN A/CDK2-ASSOCIATED P45	ubiquitin ligase complex scaffold activity protein-macromolecule adaptor activity molecular adaptor activity protein binding binding protein domain specific binding cullin family protein binding ubiquitin-like ligase-substrate adaptor activity enzyme-substrate adaptor activity molecular function activator activity molecular function regulator activity beta-catenin binding F-box domain binding	maintenance of protein location protein localization cellular localization maintenance of protein location in nucleus protein localization to nucleus maintenance of location maintenance of location in cell localization maintenance of protein location in cell cellular macromolecule localization macromolecule localization protein localization to organelle cellular process maintenance of protein localization in organelle maintenance of protein location protein localization cellular localization maintenance of protein location in nucleus protein localization to nucleus maintenance of location maintenance of location in cell localization maintenance of protein location in cell cellular macromolecule localization macromolecule localization protein localization to organelle cellular process maintenance of protein localization in organelle organonitrogen compound metabolic process primary metabolic process organic substance metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal organonitrogen compound catabolic process catabolic process proteolysis involved in protein catabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis SCF-dependent proteasomal ubiquitin-dependent protein catabolic process ubiquitin-dependent protein catabolic process organic substance catabolic process regulation of protein modification process regulation of catalytic activity positive regulation of protein metabolic process positive regulation of biological process regulation of protein ubiquitination regulation of transferase activity positive regulation of post-translational protein modification regulation of primary metabolic process regulation of ubiquitin protein ligase activity positive regulation of metabolic process positive regulation of molecular function positive regulation of ubiquitin protein ligase activity positive regulation of protein modification process positive regulation of macromolecule metabolic process regulation of ubiquitin-protein transferase activity regulation of protein modification by small protein conjugation or removal positive regulation of protein modification by small protein conjugation or removal positive regulation of protein ubiquitination regulation of biological process positive regulation of transferase activity regulation of post-translational protein modification regulation of protein metabolic process biological regulation positive regulation of catalytic activity regulation of macromolecule metabolic process positive regulation of ubiquitin-protein transferase activity regulation of molecular function regulation of metabolic process protein polyubiquitination protein K48-linked ubiquitination protein monoubiquitination protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization chromatin remodeling cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle protein-containing complex intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity PcG protein complex centrosome microtubule organizing center cytoskeleton intracellular non-membrane-bounded organelle membrane-bounded organelle intracellular organelle protein-containing complex intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity PcG protein complex centrosome microtubule organizing center cytoskeleton intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen cullin-RING ubiquitin ligase complex ubiquitin ligase complex catalytic complex SCF ubiquitin ligase complex transferase complex intracellular protein-containing complex Cul7-RING ubiquitin ligase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR036047	F-box-like domain superfamily	Homologous Superfamily
A, C	IPR001810	F-box domain	Domain
A, C	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, C	IPR006553	Leucine-rich repeat, cysteine-containing subtype	Repeat
B, D	IPR016073	SKP1 component, POZ domain	Domain
B, D	IPR001232	S-phase kinase-associated protein 1-like	Family
B, D	IPR036296	SKP1-like, dimerisation domain superfamily	Homologous Superfamily
B, D	IPR016072	SKP1 component, dimerisation	Domain
B, D	IPR011333	SKP1/BTB/POZ domain superfamily	Homologous Superfamily
B, D	IPR016897	S-phase kinase-associated protein 1	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	Pharos: Q13309	medulloblastoma cancer diffuse large B-cell lymphoma childhood medulloblastoma medullomyoblastoma with myogenic differentiation melanotic medulloblastoma adult medulloblastoma nasopharyngeal carcinoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma psoriasis acute myeloid leukemia atypical teratoid rhabdoid tumor glioblastoma Liver carcinoma medulloblastoma cancer diffuse large B-cell lymphoma childhood medulloblastoma medullomyoblastoma with myogenic differentiation melanotic medulloblastoma adult medulloblastoma nasopharyngeal carcinoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma psoriasis acute myeloid leukemia atypical teratoid rhabdoid tumor glioblastoma Liver carcinoma malignant colon neoplasm malignant mesothelioma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm adrenal cortex carcinoma benign neoplasm desmoplastic/nodular medulloblastoma hepatocellular carcinoma lung cancer malignant ependymoma non-small cell lung carcinoma ovarian neoplasm primitive neuroectodermal tumor large cell medulloblastoma lymphoplasmacytic lymphoma malignant glioma
B, D	Pharos: P63208	allergic rhinitis esophageal adenocarcinoma hypothyroidism medulloblastoma pilocytic astrocytoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma ovarian cancer plasma cell myeloma systemic lupus erythematosus breast cancer Hashimoto thyroiditis malignant glioma allergic rhinitis esophageal adenocarcinoma hypothyroidism medulloblastoma pilocytic astrocytoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma ovarian cancer plasma cell myeloma systemic lupus erythematosus breast cancer Hashimoto thyroiditis malignant glioma pancreatic ductal adenocarcinoma rheumatoid arthritis

RCSB PDB Core Operations are 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.