Gene: AT1G74540 (Arabidopsis thaliana)

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Gene Identifier
Transcript Identifier
Gene Type
Coding gene
1 : 28013362-28014855 : positive


Gene family
(2034 genes in 16 species)
specific family
(2 genes in 2 species)
specific family
Duplication type
Tandem duplicate   and   Block duplicate

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cytochrome P450, family 98, subfamily A, polypeptide 8
Curated Summary
Encodes a tricoumaroylspermidine / triferuloylspermidine meta-hydroxylase that participates in the formation of N1,N5-di(hydroxyferuloyol)- N10-sinapoyl spermidine, an important constituent of pollen. This gene appears to be expressed in young flower buds and inflorescence tips with notably high levels of expression in the tapetum and pollen.
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Identifier Name
aliascytochrome P450, family 98, subfamily A, polypeptide 8





Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0008216IMPUniProtspermidine metabolic process1 2 3 4 5 6
GO:0010584RCAGene Ontologypollen exine formation1
GO:0055114IEAInterProoxidation-reduction process
GO:0044699IEAPLAZA Homologysingle-organism processHOM03M000011
GO:0044710IEAPLAZA Homologysingle-organism metabolic processHOM03M000011
GO:0008152IEAPLAZA Homologymetabolic processHOM03M000011

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0019825ISSGene Ontologyoxygen binding1
GO:0072532IDAGene Ontologytri-(feruloyl or hydroxyferuloyl) spermidine meta-hydroxylase activity1
GO:0072547IDAUniProttricoumaroylspermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0072548IDAUniProtdicoumaroyl monocaffeoyl spermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0072549IDAUniProtmonocoumaroyl dicaffeoyl spermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0072550IMPUniProttriferuloylspermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0072551IMPUniProtdiferuloyl mono-(hydroxyferuloyl) spermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0072552IMPUniProtmonoferuloyl di-(hydroxyferuloyl) spermidine meta-hydroxylase activity1 2 3 4 5 6
GO:0020037IEAUniProtheme binding1 2 3 4 5
GO:0005506IEAUniProtiron ion binding1 2 3 4 5
GO:0016705IEAInterProoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0043169IEAPLAZA Homologycation bindingHOM03M000011
GO:0043167IEAPLAZA Homologyion bindingHOM03M000011
GO:0046914IEAPLAZA Homologytransition metal ion bindingHOM03M000011
GO:0003824IEAPLAZA Homologycatalytic activityHOM03M000011
GO:0046906IEAPLAZA Homologytetrapyrrole bindingHOM03M000011
GO:0046872IEAPLAZA Homologymetal ion bindingHOM03M000011
GO:1901363IEAPLAZA Homologyheterocyclic compound bindingHOM03M000011
GO:0005488IEAPLAZA HomologybindingHOM03M000011
GO:0016491IEAPLAZA Homologyoxidoreductase activityHOM03M000011
GO:0097159IEAPLAZA Homologyorganic cyclic compound bindingHOM03M000011

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005739ISMGene Ontologymitochondrion1
GO:0016021IEAUniProtintegral to membrane1 2 3 4 5

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR002401Cytochrome P450, E-class, group I
IPR001128Cytochrome P450
IPR017972Cytochrome P450, conserved site

Mapman id Description
26.10misc.cytochrome P450
No SignalP domains detected for this gene.