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SPHK1

Gene
SPHK1
Protein
Sphingosine kinase 1
Organism
Arabidopsis thaliana
Length
485 amino acids
Function
Involved in the production of sphingolipid metabolites. Phosphorylates sphingosine and various sphingoid long-chain base (LCB) products, such as phytosphingosine (PHS, 4-hydroxysphinganine), 4-hydroxy-8-sphingenine, 4,8-sphingadienine, D-erythro-dihydrosphingosine and D,L-threo-dihydrosphingosine. Is required for abscisic acid (ABA) signaling that mediates stomatal closure, inhibition of seed germination and root elongation. May function upstream of PLDALPHA1 and phosphatidic acid (PA) in an amplification response to ABA that mediates stomatal closure.
Mass
53.699 kDa
Sequence
MDRQPERENDELPSPAIISDRVLVNGVVTPLTLTAEGELRSTESGRRKSTLAKEILSFVVEGNKVRVKTLVEKGGGICCRGSAGDYARNDFVFEPLSDESRKLWSDKFHQHLVSLGRPKKLLVFVNPFGGKKTARKIFQEEVKPLFEDANIQLEIQETKYQLHAKEIVRSMDVSKYDGIVCVSGDGILVEVVNGLLEREDWKTAIKLPIGMVPAGSGNGMIKSLLEPVGLPCSATSATISIIRGRTRSLDVATISQGTTKFFSVLMLAWGLVADIDIESEKFRWMGSARFDIYGLQRIICLRQYHGRILFVPAPGFESYGQRASCSIDKEPSGSDKTLVYQGPDSKLENLDWREMKGPFVSVWLHNVPWGAENTLAAPDAKFSDGFLDLIVMKDCPKLALLSLMTKLSDGTHVQSPYASYLKVKAFVLEPGARIDEPDKEGIIDSDGEVLARGRKSYKCDQKALMSYDKLQISVDQGLATLFSPE

Gene
SPHK1
Protein
Sphingosine kinase 1
Organism
Homo sapiens
Length
384 amino acids
Function
Has serine acetyltransferase activity on PTGS2/COX2 in an acetyl-CoA dependent manner. The acetyltransferase activity increases in presence of the kinase substrate, sphingosine. During neuroinflammation, through PTGS2 acetylation, promotes neuronal secretion of specialized preresolving mediators (SPMs), especially 15-R-lipoxin A4, which results in an increase of phagocytic microglia.
Mass
42.518 kDa
Sequence
MDPAGGPRGVLPRPCRVLVLLNPRGGKGKALQLFRSHVQPLLAEAEISFTLMLTERRNHARELVRSEELGRWDALVVMSGDGLMHEVVNGLMERPDWETAIQKPLCSLPAGSGNALAASLNHYAGYEQVTNEDLLTNCTLLLCRRLLSPMNLLSLHTASGLRLFSVLSLAWGFIADVDLESEKYRRLGEMRFTLGTFLRLAALRTYRGRLAYLPVGRVGSKTPASPVVVQQGPVDAHLVPLEEPVPSHWTVVPDEDFVLVLALLHSHLGSEMFAAPMGRCAAGVMHLFYVRAGVSRAMLLRLFLAMEKGRHMEYECPYLVYVPVVAFRLEPKDGKGVFAVDGELMVSEAVQGQVHPNYFWMVSGCVEPPPSWKPQQMPPPEEPL

Gene
Sphk1
Protein
Sphingosine kinase 1
Organism
Rattus norvegicus
Length
383 amino acids
Function
Has serine acetyltransferase activity on PTGS2/COX2 in an acetyl-CoA dependent manner. The acetyltransferase activity increases in presence of the kinase substrate, sphingosine. During neuroinflammation, through PTGS2 acetylation, promotes neuronal secretion of specialized preresolving mediators (SPMs), especially 15-R-lipoxin A4, which results in an increase of phagocytic microglia.
Mass
42.418 kDa
Sequence
MQPADCPRGLLPRPCRVLVLLNPRGGKGKALKLFQSRVRPLLEEAEVSFKLMLTERQNHARELVCAEELGHWDALAVMSGDGLMHEVVNGLMERPDWESAIQKPLCSLPGGSGNALAASLNYYAGHEQVTNEDLLINCTLLLCCRQLSPMNLLSLHTASGRQLYSVLSLSWGFVADVDLESEKYRSLGEIRFTVGTFFRLASLRIYQGQLAYLPVGKAASKIPASSLAQKGPANTYLVPLEEPVPPHWTVVPEQDFVLVLVLLHTHLSTEMFAAPMGRCEAGVMHLFYIRAGVSRAMLVRLFLAMQKGKHMDLDCPYLVHVPVVAFRLEPRNQRGVFSVDGELMVCEAVQGQVHPNYLWMVSGSSDSPSGRDSQRRPPPEEPI

Gene
Sphk1
Protein
Sphingosine kinase 1
Organism
Mus musculus
Length
382 amino acids
Function
Has serine acetyltransferase activity on PTGS2/COX2 in an acetyl-CoA dependent manner. The acetyltransferase activity increases in presence of the kinase substrate, sphingosine. During neuroinflammation, through PTGS2 acetylation, promotes neuronal secretion of specialized preresolving mediators (SPMs), especially 15-R-lipoxin A4, which results in an increase of phagocytic microglia.
Mass
42.443 kDa
Sequence
MEPVECPRGLLPRPCRVLVLLNPQGGKGKALQLFQSRVQPFLEEAEITFKLILTERKNHARELVCAEELGHWDALAVMSGDGLMHEVVNGLMERPDWETAIQKPLCSLPGGSGNALAASVNHYAGYEQVTNEDLLINCTLLLCRRRLSPMNLLSLHTASGLRLYSVLSLSWGFVADVDLESEKYRRLGEIRFTVGTFFRLASLRIYQGQLAYLPVGTVASKRPASTLVQKGPVDTHLVPLEEPVPSHWTVVPEQDFVLVLVLLHTHLSSELFAAPMGRCEAGVMHLFYVRAGVSRAALLRLFLAMQKGKHMELDCPYLVHVPVVAFRLEPRSQRGVFSVDGELMVCEAVQGQVHPNYLWMVCGSRDAPSGRDSRRGPPPEEP