go_id,ontology,go_term,term_definition,evidence GO:0000287,MF,"magnesium ion binding","Interacting selectively and non-covalently with magnesium (Mg) ions.",IDA GO:0003779,MF,"actin binding","Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.",IEA GO:0004674,MF,"protein serine/threonine kinase activity","Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.",IBA GO:0005515,MF,"protein binding","Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).",IPI GO:0005524,MF,"ATP binding","Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.",IEA GO:0005737,CC,cytoplasm,"All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.",IDA GO:0006468,BP,"protein phosphorylation","The process of introducing a phosphate group on to a protein.",NAS GO:0015629,CC,"actin cytoskeleton","The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.",ISS GO:0016020,CC,membrane,"A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.",IDA GO:0018105,BP,"peptidyl-serine phosphorylation","The phosphorylation of peptidyl-serine to form peptidyl-O-phospho-L-serine.",IBA GO:0035556,BP,"intracellular signal transduction","The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.",IEA GO:0051128,BP,"regulation of cellular component organization","Any process that modulates the frequency, rate or extent of a process involved in the formation, arrangement of constituent parts, or disassembly of cell structures, including the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope.",IEA