Annotations: 1AA1

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth L]	d1aa1l1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
A [auth L]	d1aa1l2	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
E	d1aa1e1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
E	d1aa1e2	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
G [auth H]	d1aa1h1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
G [auth H]	d1aa1h2	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
C [auth B]	d1aa1b1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	RuBisCo, C-terminal domain	RuBisCo, large subunit, C-terminal domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
C [auth B]	d1aa1b2	Alpha and beta proteins (a+b)	Ferredoxin-like	RuBisCO, large subunit, small (N-terminal) domain	Ribulose 1,5-bisphosphate carboxylase-oxygenase	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
H [auth I]	d1aa1i_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
B [auth S]	d1aa1s_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
D [auth C]	d1aa1c_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)
F	d1aa1f_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Spinacia oleracea ) [TaxId: 3562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth L]	SCOP2B Superfamily	RuBisCo C-terminal domain	8043674	3000552	SCOP2B (2022-06-29)
A [auth L]	SCOP2B Superfamily	RuBisCO large subunit small (N-terminal) domain	8035405	3001258	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	RuBisCO large subunit small (N-terminal) domain	8035405	3001258	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	RuBisCo C-terminal domain	8043674	3000552	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	RuBisCo C-terminal domain	8043674	3000552	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	RuBisCO large subunit small (N-terminal) domain	8035405	3001258	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	RuBisCo C-terminal domain	8043674	3000552	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	RuBisCO large subunit small (N-terminal) domain	8035405	3001258	SCOP2B (2022-06-29)
H [auth I]	SCOP2B Superfamily	RuBisCO small subunit	8069965	3001622	SCOP2B (2022-06-29)
B [auth S]	SCOP2B Superfamily	RuBisCO small subunit	8069965	3001622	SCOP2B (2022-06-29)
D [auth C]	SCOP2 Family	RuBisCO small subunit	8069964	4001455	SCOP2 (2022-06-29)
D [auth C]	SCOP2 Superfamily	RuBisCO small subunit	8069965	3001622	SCOP2 (2022-06-29)
F	SCOP2B Superfamily	RuBisCO small subunit	8069965	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 [auth L]	RuBisCO_large_N	e1aa1L1	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 [auth L]	RuBisCO_large	e1aa1L2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
E	RuBisCO_large_N	e1aa1E1	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)
E	RuBisCO_large	e1aa1E2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
G [auth H]	RuBisCO_large_N	e1aa1H1	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)
G [auth H]	RuBisCO_large	e1aa1H2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
C [auth B]	RuBisCO_large_N	e1aa1B1	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 [auth B]	RuBisCO_large	e1aa1B2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
H [auth I]	RuBisCO_small	e1aa1I1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)
B [auth S]	RuBisCO_small	e1aa1S1	A: a+b two layers	X: Reverse ferredoxin	H: RuBisCO, small subunit (From Topology)	T: RuBisCO, small subunit	F: RuBisCO_small	ECOD (1.6)
D [auth C]	RuBisCO_small	e1aa1C1	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	RuBisCO_small	e1aa1F1	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 [auth L]	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
A [auth L]	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
E	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
E	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
G [auth H]	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
G [auth H]	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
C [auth B]	3.30.70.150	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RuBisCO large subunit, N-terminal domain	CATH (4.3.0)
C [auth B]	3.20.20.110	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain	CATH (4.3.0)
H [auth I]	3.30.190.10	Alpha Beta	2-Layer Sandwich	Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase	Ribulose bisphosphate carboxylase, small subunit	CATH (4.3.0)
B [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)
D [auth C]	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	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 [auth L], C [auth B], E, G [auth H]	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 [auth L], C [auth B], E, G [auth H]	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
B [auth S], D [auth C], F, H [auth I]	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 [auth L], C [auth B], E, G [auth H]	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 organic substance metabolic process biosynthetic process reductive pentose-phosphate cycle organic substance biosynthetic process 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 organic substance metabolic process biosynthetic process reductive pentose-phosphate cycle organic substance biosynthetic process carbon fixation	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle chloroplast
B [auth S], D [auth C], F, H [auth I]	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 organic substance metabolic process biosynthetic process reductive pentose-phosphate cycle organic substance biosynthetic process 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 organic substance metabolic process biosynthetic process reductive pentose-phosphate cycle organic substance biosynthetic process 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 [auth L], C [auth B], E, G [auth H]	IPR020888	Ribulose bisphosphate carboxylase large subunit, type I	Family
A [auth L], C [auth B], E, G [auth H]	IPR036376	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain superfamily	Homologous Superfamily
A [auth L], C [auth B], E, G [auth H]	IPR020878	Ribulose bisphosphate carboxylase, large chain, active site	Active Site
A [auth L], C [auth B], E, G [auth H]	IPR000685	Ribulose bisphosphate carboxylase, large subunit, C-terminal	Domain
A [auth L], C [auth B], E, G [auth H]	IPR033966	RuBisCO	Family
A [auth L], C [auth B], E, G [auth H]	IPR017443	Ribulose bisphosphate carboxylase, large subunit, ferrodoxin-like N-terminal	Domain
A [auth L], C [auth B], E, G [auth H]	IPR036422	RuBisCO large subunit, N-terminal domain superfamily	Homologous Superfamily
B [auth S], D [auth C], F, H [auth I]	IPR024680	Ribulose-1,5-bisphosphate carboxylase small subunit, N-terminal	Domain
B [auth S], D [auth C], F, H [auth I]	IPR036385	Ribulose bisphosphate carboxylase, small subunit superfamily	Homologous Superfamily
B [auth S], D [auth C], F, H [auth I]	IPR024681	Ribulose bisphosphate carboxylase, small subunit	Family
B [auth S], D [auth C], F, H [auth I]	IPR000894	Ribulose bisphosphate carboxylase small subunit, domain	Domain

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.