PHENOMENA AND PROCESSES Chemical Phenomena [G02] Chemical Phenomena Biochemical Phenomena [G02.111] Biochemical Phenomena Acid-Base Equilibrium [G02.111.007] Acid-Base Equilibrium Acylation [G02.111.012] Acylation Aerobiosis [G02.111.017] Aerobiosis Agglutination [G02.111.026] Agglutination Alkylation [G02.111.035] Alkylation Allosteric Regulation [G02.111.044] Allosteric Regulation Amination [G02.111.053] Amination Anaerobiosis [G02.111.062] Anaerobiosis Autotrophic Processes [G02.111.071] Autotrophic Processes Base Composition [G02.111.080] Base Composition Binding, Competitive [G02.111.084] Binding, Competitive Biocatalysis [G02.111.086] Biocatalysis Biomineralization [G02.111.092] Biomineralization Biosynthetic Pathways [G02.111.098] Biosynthetic Pathways Biotinylation [G02.111.109] Biotinylation Body Composition [G02.111.130] Body Composition Brain Chemistry [G02.111.150] Brain Chemistry Carbohydrate Metabolism [G02.111.158] Carbohydrate Metabolism Citric Acid Cycle [G02.111.165] Citric Acid Cycle Cyclization [G02.111.180] Cyclization Dealkylation [G02.111.188] Dealkylation Deamination [G02.111.192] Deamination Decarboxylation [G02.111.195] Decarboxylation DNA Cleavage [G02.111.210] DNA Cleavage DNA Methylation [G02.111.218] DNA Methylation DNA Repair [G02.111.222] DNA Repair DNA Replication [G02.111.225] DNA Replication Down-Regulation [G02.111.240] Down-Regulation Electron Transport [G02.111.248] Electron Transport Energy Transfer [G02.111.255] Energy Transfer Enzyme Activation [G02.111.263] Enzyme Activation Esterification [G02.111.270] Esterification Halogenation [G02.111.323] Halogenation Heterotrophic Processes [G02.111.375] Heterotrophic Processes Hydrogenation [G02.111.380] Hydrogenation Hydroxylation [G02.111.385] Hydroxylation Kinetics [G02.111.490] Kinetics Lipid Peroxidation [G02.111.515] Lipid Peroxidation Lipogenesis [G02.111.528] Lipogenesis Lipolysis [G02.111.534] Lipolysis Lipoylation [G02.111.540] Lipoylation Membrane Fluidity [G02.111.550] Membrane Fluidity Molecular Mimicry [G02.111.560] Molecular Mimicry Molecular Structure [G02.111.570] Molecular Structure Nitrogen Cycle [G02.111.587] Nitrogen Cycle Nitrosation [G02.111.595] Nitrosation Nucleic Acid Denaturation [G02.111.603] Nucleic Acid Denaturation Nucleic Acid Hybridization [G02.111.611] Nucleic Acid Hybridization Nucleic Acid Renaturation [G02.111.619] Nucleic Acid Renaturation Osmoregulation [G02.111.635] Osmoregulation Osmosis [G02.111.655] Osmosis Peptide Biosynthesis [G02.111.660] Peptide Biosynthesis Phosphorylation [G02.111.665] Phosphorylation Phototrophic Processes [G02.111.669] Phototrophic Processes Prenylation [G02.111.672] Prenylation Protein Aggregation, Pathological [G02.111.675] Protein Aggregation, Pathological Protein Binding [G02.111.679] Protein Binding Protein Folding [G02.111.688] Protein Folding Protein Modification, Translational [G02.111.691] Protein Modification, Translational Protein Multimerization [G02.111.694] Protein Multimerization Protein Stability [G02.111.700] Protein Stability Proteolysis [G02.111.720] Proteolysis Proteostasis [G02.111.730] Proteostasis RNA Cleavage [G02.111.740] RNA Cleavage RNA Folding [G02.111.750] RNA Folding RNA Processing, Post-Transcriptional [G02.111.760] RNA Processing, Post-Transcriptional RNA Replication [G02.111.770] RNA Replication RNA Stability [G02.111.780] RNA Stability Sequence Homology [G02.111.810] Sequence Homology Signal Transduction [G02.111.820] Signal Transduction Structure-Activity Relationship [G02.111.830] Structure-Activity Relationship Substrate Cycling [G02.111.833] Substrate Cycling Substrate Specificity [G02.111.835] Substrate Specificity Transcription, Genetic [G02.111.873] Transcription, Genetic Up-Regulation [G02.111.905] Up-Regulation PHENOMENA AND PROCESSES Metabolism [G03] Metabolism Absorption [G03.015] Absorption Acid-Base Equilibrium [G03.030] Acid-Base Equilibrium Acylation [G03.040] Acylation Aerobiosis [G03.049] Aerobiosis Alkylation [G03.059] Alkylation Amination [G03.068] Amination Anaerobiosis [G03.078] Anaerobiosis Autotrophic Processes [G03.087] Autotrophic Processes Biocatalysis [G03.105] Biocatalysis Biological Transport [G03.143] Biological Transport Biotinylation [G03.162] Biotinylation Biotransformation [G03.171] Biotransformation Body Composition [G03.180] Body Composition Brain Chemistry [G03.185] Brain Chemistry Carbohydrate Metabolism [G03.191] Carbohydrate Metabolism Catabolite Repression [G03.194] Catabolite Repression Cell Respiration [G03.197] Cell Respiration Cyclization [G03.208] Cyclization Dealkylation [G03.219] Dealkylation Deamination [G03.222] Deamination Decarboxylation [G03.225] Decarboxylation Dimerization [G03.230] Dimerization Energy Metabolism [G03.295] Energy Metabolism Enterohepatic Circulation [G03.312] Enterohepatic Circulation Enzyme Activation [G03.328] Enzyme Activation Esterification [G03.344] Esterification Halogenation [G03.360] Halogenation Heterotrophic Processes [G03.393] Heterotrophic Processes Hydrogenation [G03.409] Hydrogenation Hydroxylation [G03.425] Hydroxylation Insulin Secretion [G03.442] Insulin Secretion Lipid Metabolism [G03.458] Lipid Metabolism Metabolic Clearance Rate [G03.490] Metabolic Clearance Rate Metabolic Networks and Pathways [G03.493] Metabolic Networks and Pathways Metabolome [G03.500] Metabolome Nitrosation [G03.558] Nitrosation Osmoregulation [G03.615] Osmoregulation Oxidative Stress [G03.673] Oxidative Stress Oxygen Consumption [G03.680] Oxygen Consumption Oxygen Saturation [G03.707] Oxygen Saturation Peptide Biosynthesis [G03.734] Peptide Biosynthesis Pharmacokinetics [G03.787] Pharmacokinetics Phosphorylation [G03.796] Phosphorylation Phototrophic Processes [G03.800] Phototrophic Processes Prenylation [G03.804] Prenylation Protein Binding [G03.808] Protein Binding Proteolysis [G03.812] Proteolysis Proteostasis [G03.816] Proteostasis Proteotoxic Stress [G03.818] Proteotoxic Stress Renin-Angiotensin System [G03.820] Renin-Angiotensin System RNA Processing, Post-Transcriptional [G03.839] RNA Processing, Post-Transcriptional Secretory Rate [G03.857] Secretory Rate Toxicokinetics [G03.893] Toxicokinetics PUBLIC HEALTH Environmental Health [SP4] Environmental Health Environment [SP4.606] Environment Chemical Phenomena [SP4.606.635] Chemical Phenomena Acidification [SP4.606.635.114] Acidification Alkalinization [SP4.606.635.132] Alkalinization Biogeochemical Cycle [SP4.606.635.251] Biogeochemical Cycle Decarbonation [SP4.606.635.301] Decarbonation Chemical Compounds [SP4.606.635.419] Chemical Compounds Nitrogenous Deoxygenation [SP4.606.635.446] Nitrogenous Deoxygenation Photolysis [SP4.606.635.479] Photolysis Photochemistry [SP4.606.635.502] Photochemistry Photosynthesis [SP4.606.635.621] Photosynthesis Halogenation [SP4.606.635.675] Halogenation Hydrogenation [SP4.606.635.734] Hydrogenation Hydrolysis [SP4.606.635.766] Hydrolysis Oxidation [SP4.606.635.782] Oxidation Environmental Chemistry [SP4.606.635.823] Environmental Chemistry

Halogenation - Preferred

Concept UI	M0508578
Scope note	Covalent attachment of HALOGENS to other compounds.
Preferred term	Halogenation

Chlorination - Narrower

Concept UI	M0508580
Preferred term	Chlorination

Iodination - Narrower

Concept UI	M0508582
Preferred term	Iodination
Entry term(s)	Iodation

Bromination - Narrower

Concept UI	M0508579
Preferred term	Bromination

Fluorination - Narrower

Concept UI	M0508581
Preferred term	Fluorination