Catalysis of the reaction: ATP + pyridoxal = ADP + pyridoxal 5'-phosphate [goid 8478] [evidence IEA]; Interacting selectively with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose moiety [goid 166] [evidence IEA]; Interacting selectively with magnesium (Mg) ions [goid 287] [pmid 17766369] [evidence IDA]; Interacting selectively with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator [goid 5524] [pmid 16600635] [evidence IDA]; Interacting selectively with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator [goid 5524] [pmid 17766369] [evidence IDA]; Interacting selectively with zinc (Zn) ions [goid 8270] [pmid 10987144] [evidence IDA]; Catalysis of the reaction: ATP + pyridoxal = ADP + pyridoxal 5'-phosphate [goid 8478] [pmid 9099727] [evidence IDA]; Catalysis of the reaction: ATP + pyridoxal = ADP + pyridoxal 5'-phosphate [goid 8478] [pmid 10987144] [evidence IDA]; Catalysis of the reaction: ATP + pyridoxal = ADP + pyridoxal 5'-phosphate [goid 8478] [pmid 17766369] [evidence IDA]; Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2 [goid 16740] [evidence IEA]; Interacting selectively with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6 [goid 30170] [pmid 16600635] [evidence IDA]; Interacting selectively with potassium (K+) ions [goid 30955] [pmid 9252787] [evidence IDA]; Interacting selectively with potassium (K+) ions [goid 30955] [pmid 17766369] [evidence IDA]; Interacting selectively with sodium ions (Na+) [goid 31402] [pmid 17766369] [evidence IDA]; Interacting selectively with sodium ions (Na+) [goid 31402] [pmid 9252787] [evidence IDA]; Interacting selectively with lithium ions (Li+) [goid 31403] [pmid 9252787] [evidence IDA]; Interacting selectively with an identical protein to form a homodimer [goid 42803] [pmid 16600635] [evidence IDA]; Interacting selectively with an identical protein to form a homodimer [goid 42803] [pmid 17766369] [evidence IDA]