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CHEBI:189552 - CaMn4O5 cluster

ChEBI IDCHEBI:189552
ChEBI NameCaMn4O5 cluster
Stars
ASCII NameCaMn4O5 cluster
DefinitionA metal-oxygen cluster containing 1 calcium atom, 4 managanese atoms and 5 oxygen atoms. It is the catalytic center of water oxidation in photosystem II (PSII).
Last Modified11 August 2022
SubmitterElisabeth Coudert
DownloadsMolfile
FormulaCaMn4O5
Net Charge0
Average Mass339.825
Monoisotopic Mass339.68934
SMILES[O]1[Mn][O]23[Ca]4[O]5[Mn]6[O]4[Mn]12[O]6[Mn]53
InChIInChI=1S/Ca.4Mn.5O
InChIKeySEXWDHMBWJEXOJ-UHFFFAOYSA-N
Roles Classification
Chemical Role:
catalyst  A substance that increases the rate of a reaction without modifying the overall standard Gibbs energy change in the reaction.
ChEBI Ontology
Outgoing Relation(s)
CaMn4O5 cluster (CHEBI:189552) has role catalyst (CHEBI:35223)
CaMn4O5 cluster (CHEBI:189552) is a calcium coordination entity (CHEBI:50132)
CaMn4O5 cluster (CHEBI:189552) is a manganese coordination entity (CHEBI:35117)
CaMn4O5 cluster (CHEBI:189552) is a metal-oxygen cluster (CHEBI:37896)
Synonyms  Source
CaMn4O5 clusterChEBI
Ca-Mn4-O5 clusterPDBeChem
Mn4CaO5 clusterChEBI
[CaMn4O5] clusterChEBI
UniProt Name  Source
[CaMn4O5] clusterUniProt
Manual XrefsDatabases
OEXPDBeChem
Citations