Annotations: 1Q5Q

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1q5qa_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
B	d1q5qb_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
C	d1q5qc_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
D	d1q5qd_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
E	d1q5qe_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
F	d1q5qf_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
G	d1q5qg_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome alpha subunit (non-catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
H	d1q5qh_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
I	d1q5qi_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
J	d1q5qj_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
K	d1q5qk_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
L	d1q5ql_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
M	d1q5qm_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)
N	d1q5qn_	Alpha and beta proteins (a+b)	Ntn hydrolase-like	N-terminal nucleophile aminohydrolases (Ntn hydrolases)	Proteasome subunits	Proteasome beta subunit (catalytic)	(Rhodococcus erythropolis ) [TaxId: 1833 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Proteasome subunits	8027400	4002254	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Class II glutamine amidotransferases	8039779	3000131	SCOP2B (2022-06-29)
H	SCOP2 Family	Proteasome subunits	8027411	4002254	SCOP2 (2022-06-29)
H	SCOP2 Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2 (2022-06-29)
I	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	SCOP2B (2022-06-29)
N	SCOP2B Superfamily	Class II glutamine amidotransferases	8039790	3000131	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)
A		e1q5qA1	A: Ntn/PP2C	X: Ntn	H: Proteasome subunits	T: Proteasome	F:	ECOD (20:10:01)
B		e1q5qB1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
C		e1q5qC1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
D		e1q5qD1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
E		e1q5qE1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
F		e1q5qF1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
G		e1q5qG1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
H		e1q5qH1	A: Ntn/PP2C	X: Ntn	H: Proteasome subunits	T: Proteasome	F:	ECOD (20:10:01)
I		e1q5qI1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
J		e1q5qJ1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
K		e1q5qK1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
L		e1q5qL1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
M		e1q5qM1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
N		e1q5qN1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
B	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
C	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
D	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
E	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
F	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
G	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
H	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
I	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
J	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
K	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
L	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
M	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
N	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)

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 alpha-type subunit 1	peptidase activity catalytic activity, acting on a protein threonine-type peptidase activity hydrolase activity catalytic activity endopeptidase activity threonine-type endopeptidase activity	catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process metabolic process cellular process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process proteasomal protein catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex
H, I, J, K, L H, I, J, K, L, M, N	proteasome beta-type subunit 1	peptidase activity catalytic activity, acting on a protein threonine-type peptidase activity hydrolase activity catalytic activity endopeptidase activity threonine-type endopeptidase activity	catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process metabolic process cellular process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process proteasomal protein catabolic process	protein-containing complex intracellular anatomical structure cellular anatomical structure catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR050115	Proteasome subunit alpha	Family
A, B, C, D, E A, B, C, D, E, F, G	IPR022296	Proteasome, alpha subunit, bacterial	Family
A, B, C, D, E A, B, C, D, E, F, G	IPR023332	Proteasome alpha-type subunit	Family
A, B, C, D, E A, B, C, D, E, F, G	IPR001353	Proteasome, subunit alpha/beta	Family
H, I, J, K, L H, I, J, K, L, M, N	IPR023333	Proteasome B-type subunit	Family
H, I, J, K, L H, I, J, K, L, M, N	IPR022483	Proteasome subunit beta, actinobacteria	Family
H, I, J, K, L H, I, J, K, L, M, N	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
H, I, J, K, L H, I, J, K, L, M, N	IPR001353	Proteasome, subunit alpha/beta	Family

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.