Acyl Lipids: enzymes

ARABIDOPSIS
ACYL-LIPID METABOLISM

ENZYME & PROTEIN DATA

Long Chain Base Kinase

ATP

ADP

sphingobase (or ceramide?)

Reaction

sphingobase 1-phosphate

Brenda: [2.7.1.91]
IUBMB: [2.7.1.91]
ExPASy: [2.7.1.91]
ExplorEnz: [2.7.1.91]
PDB: [2.7.1.91]

Enzyme Pathways

Sphingolipid I | Sphingolipid II

Locus Data & Links (May need to scroll right or left to show columns)

Locus Id (TAIR Link)	Abbrev.	Mutant(s) (click for pop-up)	Pathway(s)	Subcelluar location	Evidence for function	Key References	Comments	Microarray Expression	Proteomics data	ESTexpression in other oilseeds
At4g21535			Sphingolipid I Sphingolipid II		Heterol Exp'n.		NOT ANNOTATED CORRECTLY IN TAIR
At4g21540	SPHK1	sphk1	Sphingolipid I Sphingolipid II	Tonoplast	Mutant Char.; OE; Heterol Exp'n.	2 Refs Marion, J., Bach, L., Bellec, Y., Meyer, C., Gissot, L., and Faure, J.D. (2008). Systematic analysis of protein subcellular localization and interaction using high-throughput transient transformation of Arabidopsis seedlings. Plant Journal 56 , 169-179. Worrall, D., Liang, Y.-K., Alvarez, S., Holroyd, G.H., Spiegel, S., Panagopulos, M., Gray, J.E., and Hetherington, A.M. (2008). Involvement of sphingosine kinase in plant cell signalling. Plant Journal 56 , 64-72.	Involved in guard cell ABA signalling and seed germination.			Data
At5g23450			Sphingolipid I Sphingolipid II	Plasma membrane (proteomics)	Heterol Exp'n.	1 Ref Imai, H., and Nishiura, H. (2005). Phosphorylation of sphingoid long-chain bases in Arabidopsis: Functional characterization and expression of the first sphingoid long-chain base kinase gene in plants. Plant and Cell Physiology 46 , 375-380.				Data