Annotations: 4HHH

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4hhha2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
A	d4hhha1	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	automated matches	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
D	d4hhhd2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
D	d4hhhd1	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	automated matches	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
B	d4hhhb2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
B	d4hhhb1	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	automated matches	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
C	d4hhhc2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
C	d4hhhc1	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	automated matches	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
E [auth S]	d4hhhs_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
F [auth T]	d4hhht_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
G [auth U]	d4hhhu_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
H [auth V]	d4hhhv_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	automated matches	(Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E [auth S]	SCOP2 Family	RuBisCO, small subunit	8069966	4001455	SCOP2 (2022-06-29)
E [auth S]	SCOP2 Superfamily	RuBisCO, small subunit	8069967	3001622	SCOP2 (2022-06-29)
F [auth T]	SCOP2B Superfamily	RuBisCO, small subunit	8069967	3001622	SCOP2B (2022-06-29)
G [auth U]	SCOP2B Superfamily	RuBisCO, small subunit	8069967	3001622	SCOP2B (2022-06-29)
H [auth V]	SCOP2B Superfamily	RuBisCO, small subunit	8069967	3001622	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	RuBisCO_large_N	e4hhhA1	A: a+b two layers	X: Alpha-beta plaits	H: RuBisCO, large subunit, small (N-terminal) domain (From Topology)	T: RuBisCO, large subunit, small (N-terminal) domain	F: RuBisCO_large_N	ECOD (1.6)
A	RuBisCO_large	e4hhhA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
D	RuBisCO_large_N	e4hhhD4	A: a+b two layers	X: Alpha-beta plaits	H: RuBisCO, large subunit, small (N-terminal) domain (From Topology)	T: RuBisCO, large subunit, small (N-terminal) domain	F: RuBisCO_large_N	ECOD (1.6)
D	RuBisCO_large	e4hhhD3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
B	RuBisCO_large_N	e4hhhB4	A: a+b two layers	X: Alpha-beta plaits	H: RuBisCO, large subunit, small (N-terminal) domain (From Topology)	T: RuBisCO, large subunit, small (N-terminal) domain	F: RuBisCO_large_N	ECOD (1.6)
B	RuBisCO_large	e4hhhB3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
C	RuBisCO_large_N	e4hhhC4	A: a+b two layers	X: Alpha-beta plaits	H: RuBisCO, large subunit, small (N-terminal) domain (From Topology)	T: RuBisCO, large subunit, small (N-terminal) domain	F: RuBisCO_large_N	ECOD (1.6)
C	RuBisCO_large	e4hhhC3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
E [auth S]	RuBisCO_small	e4hhhS1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)
F [auth T]	RuBisCO_small	e4hhhT1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)
G [auth U]	RuBisCO_small	e4hhhU1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)
H [auth V]	RuBisCO_small	e4hhhV1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
A	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
D	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
D	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
B	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
B	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
C	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
C	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
E [auth S]	3.30.190.10	Alpha Beta	2-Layer Sandwich	Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase	Ribulose bisphosphate carboxylase, small subunit	CATH (4.3.0)
F [auth T]	3.30.190.10	Alpha Beta	2-Layer Sandwich	Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase	Ribulose bisphosphate carboxylase, small subunit	CATH (4.3.0)
G [auth U]	3.30.190.10	Alpha Beta	2-Layer Sandwich	Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase	Ribulose bisphosphate carboxylase, small subunit	CATH (4.3.0)
H [auth V]	3.30.190.10	Alpha Beta	2-Layer Sandwich	Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase	Ribulose bisphosphate carboxylase, small subunit	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02788	Ribulose bisphosphate carboxylase large chain, N-terminal domain (RuBisCO_large_N)	Ribulose bisphosphate carboxylase large chain, N-terminal domain	The N-terminal domain of RuBisCO large chain adopts a ferredoxin-like fold.	Domain
A, B, C, D	PF00016	Ribulose bisphosphate carboxylase large chain, catalytic domain (RuBisCO_large)	Ribulose bisphosphate carboxylase large chain, catalytic domain	The C-terminal domain of RuBisCO large chain is the catalytic domain adopting a TIM barrel fold.	Domain
E [auth S], F [auth T], G [auth U], H [auth V]	PF00101	Ribulose bisphosphate carboxylase, small chain (RuBisCO_small)	Ribulose bisphosphate carboxylase, small chain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Ribulose bisphosphate carboxylase large chain	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding ribulose-bisphosphate carboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity monooxygenase activity oxidoreductase activity	metabolic process cellular process cellular metabolic compound salvage photorespiration carbohydrate metabolic process biosynthetic process photosynthesis reductive pentose-phosphate cycle carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process carbon fixation	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle chloroplast
E [auth S], F [auth T], G [auth U], H [auth V]	Ribulose bisphosphate carboxylase small chain	ribulose-bisphosphate carboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity	metabolic process cellular process cellular metabolic compound salvage photorespiration carbohydrate metabolic process biosynthetic process photosynthesis reductive pentose-phosphate cycle carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process carbon fixation	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR020888	Ribulose bisphosphate carboxylase large subunit, type I	Family
A, B, C, D	IPR036376	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR020878	Ribulose bisphosphate carboxylase, large chain, active site	Active Site
A, B, C, D	IPR000685	Ribulose bisphosphate carboxylase, large subunit, C-terminal	Domain
A, B, C, D	IPR033966	RuBisCO	Family
A, B, C, D	IPR017443	Ribulose bisphosphate carboxylase, large subunit, ferrodoxin-like N-terminal	Domain
A, B, C, D	IPR036422	RuBisCO large subunit, N-terminal domain superfamily	Homologous Superfamily
E [auth S], F [auth T], G [auth U], H [auth V]	IPR024680	Ribulose-1,5-bisphosphate carboxylase small subunit, N-terminal	Domain
E [auth S], F [auth T], G [auth U], H [auth V]	IPR036385	Ribulose bisphosphate carboxylase, small subunit superfamily	Homologous Superfamily
E [auth S], F [auth T], G [auth U], H [auth V]	IPR024681	Ribulose bisphosphate carboxylase, small subunit	Family
E [auth S], F [auth T], G [auth U], H [auth V]	IPR000894	Ribulose bisphosphate carboxylase small subunit, 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 R01GM157729.