Compound

aldehydo-D-ribose 5-phosphate

An organophosphate oxoanion arising from deprotonation of the phosphate OH groups of aldehydo-D-ribose 5-phosphate; major species at pH 7.3.

Definition from ChEBI (CHEBI:58273), read 2026-09-23. CC BY 4.0.

CHEBI:58273ChEBI

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Structure

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A generated conformer of aldehydo-D-ribose 5-phosphate — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Organic compound, anion
Formula: C5H9O8P
Mass: 228.093 g/mol
Charge: -2
InChIKey: PPQRONHOSHZGFQ-LMVFSUKVSA-L
SMILES: O=C[C@H](O)[C@H](O)[C@H](O)COP(=O)([O-])[O-]
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

What it touches on the way

Mechanistic reach

3 entities

3 entities reached.

0 reported hops3 assembled from the scaffold

What the reference databases state

Statements

8 statements

8 statements · 1 reference database · Subject: aldehydo-D-ribose 5-phosphate · Sources: Rhea

Order

D-ribose 5-phosphate is converted to aldehydo-D-ribose 5-phosphateCompoundRhea RHEA:54528Inferred only
aldehydo-D-ribose 5-phosphate is converted to D-ribose 5-phosphateCompoundRhea RHEA:54528Inferred only
D-ribulose 5-phosphate is converted to aldehydo-D-ribose 5-phosphateCompoundRhea RHEA:14657Inferred only
aldehydo-D-ribose 5-phosphate is converted to D-ribulose 5-phosphateCompoundRhea RHEA:14657Inferred only
aldehydo-D-ribose 5-phosphate is a substrate of RPIAProteinRhea RHEA:14657Inferred only
aldehydo-D-ribose 5-phosphate is a substrate of TKTProteinRhea RHEA:10508Inferred only
aldehydo-D-ribose 5-phosphate is a substrate of TKTL1ProteinRhea RHEA:10508Inferred only
aldehydo-D-ribose 5-phosphate is a substrate of TKTL2ProteinRhea RHEA:10508Inferred only

Reactions

7 reactions

D-sedoheptulose 7-phosphate+D-glyceraldehyde 3-phosphatealdehydo-D-ribose 5-phosphate+D-xylulose 5-phosphate
Catalysed by TKT or TKTL1 or TKTL2
Reaction pageRight to leftBalanced
Rhea RHEA:10508CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphateD-ribulose 5-phosphate
Catalysed by RPIA
Reaction pageReversibleBalanced
Rhea RHEA:14657CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphate+L-lysyl-[protein]N(6)-(5-O-phospho-D-ribulosyl)-L-lysyl-[protein]+water
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:16553CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphate+CHEBI:15688CHEBI:57764+acetaldehyde
Reaction pageDirection not assertedBalanced
Rhea RHEA:21504CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphate+D-glyceraldehyde 3-phosphate+ammoniumpyridoxal 5'-phosphate+hydrogenphosphate+4water+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:26405CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphate+D-glyceraldehyde 3-phosphate+L-glutaminepyridoxal 5'-phosphate+L-glutamate(1-)+hydrogenphosphate+3water+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:31507CC BY 4.0Reference data
aldehydo-D-ribose 5-phosphateD-ribose 5-phosphate
Reaction pageDirection not assertedBalanced
Rhea RHEA:54528CC BY 4.0Reference data

Other names

3 names

Resolves to: aldehydo-D-ribose 5-phosphate

Also called: 5-O-phosphonato-D-riboseD-ribose 5-phosphate dianion
Systematic name: D-ribose 5-phosphate