CHEBI:43474 - hydrogenphosphate

ChEBI IDCHEBI:43474
ChEBI Namehydrogenphosphate
Stars
DefinitionA phosphate ion that is the conjugate base of dihydrogenphosphate.
Secondary ChEBI IDsCHEBI:29139, CHEBI:43470
Last Modified20 November 2019
SubmitterKirill Degtyarenko
DownloadsMolfile
FormulaHO4P
Net Charge-2
Average Mass95.978
Monoisotopic Mass95.96234
SMILESO=P([O-])([O-])O
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-2
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-L
Species of MetaboliteComponentSourceComments
Homo sapiens (ncbitaxon:9606) - DOI (10.1038/nbt.2488)
Saccharomyces cerevisiae (ncbitaxon:4932) - PubMed (24678285) Source: yeast.sf.net
Roles Classification
Biological Roles:
Saccharomyces cerevisiae metabolite  Any fungal metabolite produced during a metabolic reaction in Baker's yeast (Saccharomyces cerevisiae ).
cofactor  An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
human metabolite  Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
ChEBI Ontology
Outgoing Relation(s)
hydrogenphosphate (CHEBI:43474) has role Saccharomyces cerevisiae metabolite (CHEBI:75772)
hydrogenphosphate (CHEBI:43474) has role cofactor (CHEBI:23357)
hydrogenphosphate (CHEBI:43474) is a divalent inorganic anion (CHEBI:79388)
hydrogenphosphate (CHEBI:43474) is a phosphate ion (CHEBI:35780)
hydrogenphosphate (CHEBI:43474) is conjugate acid of phosphate(3−) (CHEBI:18367)
hydrogenphosphate (CHEBI:43474) is conjugate base of dihydrogenphosphate (CHEBI:39745)
Incoming Relation(s)
dihydrogenphosphate (CHEBI:39745) is conjugate acid of hydrogenphosphate (CHEBI:43474)
phosphate(3−) (CHEBI:18367) is conjugate base of hydrogenphosphate (CHEBI:43474)
phosphate group(2−) (CHEBI:68546) is substituent group from hydrogenphosphate (CHEBI:43474)
phosphonato group (CHEBI:30931) is substituent group from hydrogenphosphate (CHEBI:43474)
IUPAC Names 
hydrogentetraoxophosphate(2−)
hydrogentetraoxophosphate(V)
hydroxidotrioxidophosphate(2−)
hydrogenphosphate
hydrogen(tetraoxidophosphate)(2−)
Synonyms  Source
HPO42−IUPAC
[PO3(OH)]2−IUPAC
HYDROGENPHOSPHATE IONPDBeChem
INORGANIC PHOSPHATE GROUPPDBeChem
hydrogen phosphateChEBI
[P(OH)O3]2−MolBase
UniProt Name  Source
phosphateUniProt
Manual XrefsDatabases
PIPDBeChem
1628MolBase
PO4PDBeChem
Registry NumbersSources
Gmelin:1998Gmelin