go_id,ontology,go_term,term_definition,evidence GO:0000226,BP,"microtubule cytoskeleton organization","A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising microtubules and their associated proteins.",IBA|ISS GO:0003779,MF,"actin binding","Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.",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:0005874,CC,microtubule,"Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.",IEA GO:0008017,MF,"microtubule binding","Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.",IBA|ISS 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:0015630,CC,"microtubule cytoskeleton","The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins.",IDA GO:0030036,BP,"actin cytoskeleton organization","A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.",NAS