2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate - - 2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate Asp177 in C4 domain of isozyme SK1a is important for sphingosine substrate recognition 661750 2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate catalytic mechanism 661509 2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate catalytic mechanism, the catalytic domain contains the C1-C5 sequence stretches and the ATP-binding site 661509 2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate Lys103 is important in catalysis 661860 2.7.1.91 ATP + a sphingoid base = ADP + a sphingoid base 1-phosphate overview on regulation 492172