Annotations: 7YQC

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
G	PA28_beta	e7yqcG1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
F	PA28_beta	e7yqcF1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
E	PA28_beta	e7yqcE1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
D	PA28_beta	e7yqcD1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
C	PA28_beta	e7yqcC1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
B	PA28_beta	e7yqcB1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)
A	PA28_beta	e7yqcA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Proteasome activator reg(alpha) (From Topology)	T: Proteasome activator reg(alpha)	F: PA28_beta	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G	PF02252	Proteasome activator PA28, C-terminal (PA28_C)	Proteasome activator PA28, C-terminal	Proteasome activator 28 (PA28), also known as 11s regulator of REG, binds to the 20S proteasome and simulates peptidase activity in an ATP-independent manner. This entry represents a the C-terminal domain found in PA28 subunits, including PA28alpha/b ...	Proteasome activator 28 (PA28), also known as 11s regulator of REG, binds to the 20S proteasome and simulates peptidase activity in an ATP-independent manner. This entry represents a the C-terminal domain found in PA28 subunits, including PA28alpha/beta/gamma (also known as Proteasome activator complex subunit 1-3) [1-4].	Domain
A, B, C, D, E A, B, C, D, E, F, G	PF02251	Proteasome activator PA28, N-terminal (PA28_N)	Proteasome activator PA28, N-terminal	Proteasome activator 28 (PA28), also known as 11s regulator of REG, binds to the 20S proteasome and simulates peptidase activity in an ATP-independent manner. This entry represents a single alpha-helix N-terminal domain found in PA28 subunits, includ ...	Proteasome activator 28 (PA28), also known as 11s regulator of REG, binds to the 20S proteasome and simulates peptidase activity in an ATP-independent manner. This entry represents a single alpha-helix N-terminal domain found in PA28 subunits, including PA28alpha/beta/gamma (also known as Proteasome activator complex subunit 1-3) [1-4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G	Proteasome activator complex subunit 3	p53 binding protein binding binding MDM2/MDM4 family protein binding endopeptidase activator activity enzyme regulator activity enzyme activator activity peptidase regulator activity molecular function activator activity molecular function regulator activity peptidase activator activity endopeptidase regulator activity identical protein binding	cellular process apoptotic process cell death programmed cell death cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death extrinsic apoptotic signaling pathway negative regulation of cell communication cellular process apoptotic process cell death programmed cell death cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death extrinsic apoptotic signaling pathway negative regulation of cell communication negative regulation of extrinsic apoptotic signaling pathway cell communication negative regulation of apoptotic signaling pathway negative regulation of cellular process signal transduction regulation of biological process regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of signal transduction regulation of extrinsic apoptotic signaling pathway apoptotic signaling pathway negative regulation of apoptotic process regulation of response to stimulus regulation of cell communication regulation of apoptotic signaling pathway catabolic process proteolysis involved in protein catabolic process macromolecule catabolic process regulation of primary metabolic process regulation of proteolysis involved in protein catabolic process regulation of proteolysis proteolysis protein metabolic process regulation of protein metabolic process primary metabolic process proteasomal protein catabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process regulation of proteasomal protein catabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process regulation of cell cycle phase transition regulation of cell cycle process cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle regulation of mitotic cell cycle phase transition regulation of mitotic cell cycle regulation of G1/S transition of mitotic cell cycle mitotic cell cycle process cell cycle regulation of cell cycle G1/S transition of mitotic cell cycle cell cycle process mitotic cell cycle phase transition	membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex membrane proteasome accessory complex membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex membrane proteasome accessory complex intracellular anatomical structure proteasome activator complex cytoplasm cytosol nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen intracellular membraneless organelle ciliary basal body microtubule organizing center cytoskeleton membraneless organelle microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G	IPR003186	Proteasome activator PA28, C-terminal domain	Domain
A, B, C, D, E A, B, C, D, E, F, G	IPR036252	Proteasome activator superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR036996	Proteasome activator PA28, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR003185	Proteasome activator PA28, N-terminal domain	Domain
A, B, C, D, E A, B, C, D, E, F, G	IPR036997	Proteasome activator PA28, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR009077	Proteasome activator PA28	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F, G	Pharos: P61289	HIV infectious disease atypical teratoid rhabdoid tumor HIV Coinfection large cell medulloblastoma medulloblastoma ovarian cancer cutaneous lupus erythematosus lung cancer non-small cell lung carcinoma psoriasis glioblastoma IgA glomerulonephritis malignant mesothelioma osteosarcoma

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 R01GM157729.