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)
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)
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)
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)
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)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth T]	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)
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)
G [auth U]	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)
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)
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)
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)
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)
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)
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)

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)
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)
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)
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)
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)
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)
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)

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	cellular metabolic process metabolic process cellular process cellular metabolic compound salvage photorespiration carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process biosynthetic process reductive pentose-phosphate cycle carbon fixation	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity 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	cellular metabolic process metabolic process cellular process cellular metabolic compound salvage photorespiration carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process biosynthetic process reductive pentose-phosphate cycle carbon fixation	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity 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.