2RUS

CRYSTAL STRUCTURE OF THE TERNARY COMPLEX OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE, MG(II), AND ACTIVATOR CO2 AT 2.3-ANGSTROMS RESOLUTION

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2rusa1	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	(Rhodospirillum rubrum ) [TaxId: 1085 ],	SCOPe (2.08)
A	d2rusa2	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	(Rhodospirillum rubrum ) [TaxId: 1085 ],	SCOPe (2.08)
B	d2rusb1	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	(Rhodospirillum rubrum ) [TaxId: 1085 ],	SCOPe (2.08)
B	d2rusb2	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	(Rhodospirillum rubrum ) [TaxId: 1085 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RuBisCo, C-terminal domain	8043704	3000552	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	RuBisCO, large subunit, small (N-terminal) domain	8035457	3001258	SCOP2B (2022-06-29)
B	SCOP2 Family	Ribulose 1, 5-bisphosphate carboxylase-oxygenase	8023077	4001311	SCOP2 (2022-06-29)
B	SCOP2 Family	RuBisCo, large subunit, C-terminal domain	8031326	4003287	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	RuBisCO, large subunit, small (N-terminal) domain	8035457	3001258	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	RuBisCo, C-terminal domain	8043704	3000552	SCOP2 (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	e2rusA1	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	e2rusA2	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	e2rusB1	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	e2rusB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RUBISCO (RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE(SLASH)OXYGENASE)	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding monooxygenase activity oxidoreductase activity catalytic activity ribulose-bisphosphate carboxylase activity carboxy-lyase activity lyase activity carbon-carbon lyase activity	carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process cellular metabolic process photosynthesis, dark reaction primary metabolic process biosynthetic process reductive pentose-phosphate cycle metabolic process cellular process carbon fixation	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036376	Ribulose bisphosphate carboxylase, large subunit, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR020871	Ribulose bisphosphate carboxylase large subunit, type II	Family
A, B	IPR020878	Ribulose bisphosphate carboxylase, large chain, active site	Active Site
A, B	IPR000685	Ribulose bisphosphate carboxylase, large subunit, C-terminal	Domain
A, B	IPR033966	RuBisCO	Family
A, B	IPR036422	RuBisCO large subunit, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR017443	Ribulose bisphosphate carboxylase, large subunit, ferrodoxin-like N-terminal	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 R01GM133198.