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GO:0003824
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catalytic activity
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Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic. |
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GO:0016787
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hydrolase activity
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Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3. |
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GO:0016887
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ATPase activity
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Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction. |
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GO:0008152
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metabolic process
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The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation. |
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GO:0003678
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DNA helicase activity
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Catalysis of the reaction: NTP + H2O = NDP + phosphate, to drive the unwinding of a DNA helix. |
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GO:0008026
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ATP-dependent helicase activity
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Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the unwinding of a DNA or RNA helix. |
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GO:0043140
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ATP-dependent 3'-5' DNA helicase activity
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Catalysis of the reaction: ATP + H2O = ADP + phosphate; drives the unwinding of the DNA helix in the direction 3' to 5'. |
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GO:0008094
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DNA-dependent ATPase activity
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Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction requires the presence of single- or double-stranded DNA, and it drives another reaction. |
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GO:0004386
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helicase activity
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Catalysis of the reaction: NTP + H2O = NDP + phosphate, to drive the unwinding of a DNA or RNA helix. |
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GO:0004003
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ATP-dependent DNA helicase activity
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Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of the DNA helix. |
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GO:0016817
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hydrolase activity, acting on acid anhydrides
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Catalysis of the hydrolysis of any acid anhydride. |
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GO:0051276
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chromosome organization
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A process that is carried out at the cellular level that results in the assembly, arrangement of constituent parts, or disassembly of chromosomes, structures composed of a very long molecule of DNA and associated proteins that carries hereditary information. This term covers covalent modifications at the molecular level as well as spatial relationships among the major components of a chromosome. |
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GO:0016818
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hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
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Catalysis of the hydrolysis of any acid anhydride which contains phosphorus. |
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GO:0016462
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pyrophosphatase activity
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Catalysis of the hydrolysis of a pyrophosphate bond between two phosphate groups, leaving one phosphate on each of the two fragments. |
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GO:0042623
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ATPase activity, coupled
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Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction directly drives some other reaction, for example ion transport across a membrane. |
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GO:0032508
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DNA duplex unwinding
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The process in which interchain hydrogen bonds between two strands of DNA are broken or 'melted', generating a region of unpaired single strands. |
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GO:0016043
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cellular component organization
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A process that results in the assembly, arrangement of constituent parts, or disassembly of a cellular component. |
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GO:0017111
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nucleoside-triphosphatase activity
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Catalysis of the reaction: a nucleoside triphosphate + H2O = nucleoside diphosphate + phosphate. |
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GO:0009987
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cellular process
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Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. |
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GO:0006996
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organelle organization
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A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an organelle within a cell. An organelle is an organized structure of distinctive morphology and function. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. |
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GO:0071840
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cellular component organization or biogenesis
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A process that results in the biosynthesis of constituent macromolecules, assembly, arrangement of constituent parts, or disassembly of a cellular component. |
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GO:0008150
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biological_process
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Any process specifically pertinent to the functioning of integrated living units: cells, tissues, organs, and organisms. A process is a collection of molecular events with a defined beginning and end. |
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GO:0003674
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molecular_function
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Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions. |
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GO:0032392
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DNA geometric change
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The process in which a transformation is induced in the geometry of a DNA double helix, resulting in a change in twist, writhe, or both, but with no change in linking number. Includes the unwinding of double-stranded DNA by helicases. |
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GO:0071103
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DNA conformation change
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A cellular process that results in a change in the spatial configuration of a DNA molecule. A conformation change can bend DNA, or alter the, twist, writhe, or linking number of a DNA molecule. |
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GO:0070035
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purine NTP-dependent helicase activity
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Catalysis of the reaction: purine NTP + H2O = purine NDP + phosphate, to drive the unwinding of a DNA or RNA helix. |
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GO:0043138
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3'-5' DNA helicase activity
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Catalysis of the unwinding of the DNA helix in the direction 3' to 5'. |
