3RUB

CRYSTAL STRUCTURE OF THE UNACTIVATED FORM OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE(SLASH)OXYGENASE FROM TOBACCO REFINED AT 2.0-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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth L]	d3rubl1	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	tobacco (Nicotiana tabacum ) [TaxId: 4097 ],	SCOPe (2.08)
A [auth L]	d3rubl2	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	tobacco (Nicotiana tabacum ) [TaxId: 4097 ],	SCOPe (2.08)
B [auth S]	d3rubs_	Alpha and beta proteins (a+b)	RuBisCO, small subunit	RuBisCO, small subunit	RuBisCO, small subunit	Ribulose 1,5-bisphosphate carboxylase-oxygenase	(Nicotiana tabacum ) [TaxId: 4097 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth L]	SCOP2 Family	Ribulose 1 5-bisphosphate carboxylase-oxygenase	8023009	4001311	SCOP2 (2022-06-29)
A [auth L]	SCOP2 Family	RuBisCo large subunit C-terminal domain	8031292	4003287	SCOP2 (2022-06-29)
A [auth L]	SCOP2 Superfamily	RuBisCO large subunit small (N-terminal) domain	8035389	3001258	SCOP2 (2022-06-29)
A [auth L]	SCOP2 Superfamily	RuBisCo C-terminal domain	8043670	3000552	SCOP2 (2022-06-29)
B [auth S]	SCOP2 Family	RuBisCO small subunit	8023417	4001455	SCOP2 (2022-06-29)
B [auth S]	SCOP2 Superfamily	RuBisCO small subunit	8035797	3001622	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 [auth L]	RuBisCO_large_N	e3rubL1	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	e3rubL2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: RuBisCO_large	ECOD (1.6)
B [auth S]	RuBisCO_small	e3rubS1	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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth L]	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]	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]	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]	RIBULOSE 1,5-BISPHOSPHATE CARBOXYLASE/OXYGENASE, FORM III	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]	RIBULOSE 1,5-BISPHOSPHATE CARBOXYLASE/OXYGENASE, FORM III	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 biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus defense response to other organism cellular metabolic process metabolic process cellular process cellular metabolic compound salvage photorespiration biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus defense response to other organism response to stress response to external biotic stimulus response to virus 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	cell-cell junction symplast anchoring junction cell junction cellular anatomical entity plasmodesma membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

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