|
gptkbp:instanceOf
|
gptkb:enzyme
|
|
gptkbp:activity
|
relatively slow catalytic rate
|
|
gptkbp:alternativeName
|
gptkb:Fraction_I_protein
|
|
gptkbp:associatedWith
|
gptkb:Calvin-Benson-Bassham_cycle
photorespiration
|
|
gptkbp:biotechnologicalInterest
|
target for improving photosynthetic efficiency
|
|
gptkbp:cofactor
|
Mg2+
|
|
gptkbp:discoveredBy
|
gptkb:Melvin_Calvin
|
|
gptkbp:EC_number
|
4.1.1.39
|
|
gptkbp:evolvesFrom
|
ancient enzyme
|
|
gptkbp:form
|
form I
form II
form III
form IV
|
|
gptkbp:foundIn
|
gptkb:algae
gptkb:Bacteria
plants
photosynthetic bacteria
|
|
gptkbp:fullName
|
gptkb:Ribulose-1,5-bisphosphate_carboxylase/oxygenase
|
|
gptkbp:function
|
catalyzes the first major step of carbon fixation in the Calvin cycle
|
|
gptkbp:gene
|
gptkb:rbcL
gptkb:rbcS
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
RuBisCO
|
|
gptkbp:importantFor
|
most abundant protein on Earth
|
|
gptkbp:inhibitedBy
|
gptkb:2-carboxyarabinitol_1-phosphate
|
|
gptkbp:limitation
|
low specificity for CO2 over O2
photorespiratory losses
|
|
gptkbp:locatedOnChromosome
|
chloroplast genome (rbcL)
nuclear genome (rbcS)
|
|
gptkbp:location
|
gptkb:chloroplast_stroma
|
|
gptkbp:molecularWeight
|
~550 kDa (form I holoenzyme)
|
|
gptkbp:optimum_pH
|
~8
|
|
gptkbp:PDB
|
gptkb:1RBL
|
|
gptkbp:presentIn
|
gptkb:C3_plants
gptkb:C4_plants
gptkb:CAM_plants
|
|
gptkbp:product
|
gptkb:3-phosphoglycerate
2-phosphoglycolate
|
|
gptkbp:regulates
|
activated by carbamylation
regulated by RuBisCO activase
|
|
gptkbp:role
|
involved in photorespiration
key enzyme in photosynthesis
|
|
gptkbp:structure
|
large subunit and small subunit
|
|
gptkbp:substrate
|
oxygen
carbon dioxide
ribulose-1,5-bisphosphate
|
|
gptkbp:type
|
carboxylation
oxygenation
|
|
gptkbp:bfsParent
|
gptkb:Calvin_cycle
|
|
gptkbp:bfsLayer
|
6
|