mannosyltransferases
plural of mannosyltransferase

mannotetraose
An oligosaccharide composed of four mannose moieties (or of two mannobiose moieties)

mannotetraoses
plural of mannotetraose

margatoxin
A peptide toxin present in the venom of the scorpion Centruroides margaritatus

marinobufotoxin
A toxin secreted by the toad Bufo marinus, now Rhinella marina.

masoprocol
A particular topical drug used in chemotherapy.

mastoparan
A peptide toxin from wasp venom.

mastoparans
plural of mastoparan

matrigel
Alternative letter-case form of Matrigel.

matrigels
plural of matrigel

maurocalcin
Alternative form of maurocalcine.

maurocalcine
A peptide toxin isolated from the venom of the scorpion Scorpio maurus

mavoglurant
An experimental drug candidate for the treatment of fragile X syndrome.

mebamoxine
the drug benmoxin.

mechanoenzyme
Any enzyme that converts chemical energy into mechanical energy and hence into movement

mechanoenzymes
plural of mechanoenzyme

meclofenoxate
The drug centrophenoxine.

mecloxamine
An antimuscarinic drug.

medazomide
An antispasmodic drug.

medetomidin
Alternative form of medetomidine.

medetomidine
A synthetic drug used in veterinary and human medicine as both a surgical anesthetic and analgesic, molecular formula C₁₃H₁₆N₂; it is also used as an adulterant of street drugs.

medetomizine
Misspelling of medetomidine.

meditomedine
Misspelling of medetomidine.

meditomidine
Misspelling of medetomidine.

mefenorex
A stimulant amphetamine drug used as an appetite suppressant.

megaenzyme
A very large enzyme

megaenzymes
plural of megaenzyme

megaprotein
An extremely large protein.

megaproteins
plural of megaprotein

megasynthase
A large, complex synthase (that produces a specific natural product as if on an assembly line)

megasynthases
plural of megasynthase

melanoprotein
Any protein that contains melanin as a chromagen

melanoproteins
plural of melanoprotein

melibiase
A galactosidase that catalyzes the hydrolysis of melibiose into galactose and glucose.

melibiases
plural of melibiase

melibiose
A disaccharide consisting of glucose and galactose residues

melibioses
plural of melibiose

melibiulose
A disaccharide formed from fructose and galactose, similar to melibiose.

melittin
A peptide, containing 26 amino acids, which is present in bee venom and has been used experimentally as an antibacterial agent, especially against penicillin-resistant bacteria.

melittins
plural of melittin

mellibiose
Misspelling of melibiose.

mellitin
Misspelling of melittin.

melobiose
Misspelling of melibiose.

melphalan
A particular drug used in chemotherapy.

melphalin
Misspelling of melphalan.

membranotoxin
Any toxin present in plant membranes

membranotoxins
plural of membranotoxin

menbutone
A choleretic drug.

menoctone
An antimalarial drug.

mepenzolate
An antimuscarinic drug.

meph
Clipping of mephedrone.

mephedrine
Misspelling of mephedrone.
Misspelling of methedrine.
A chemical synonym for 4-methylmethamphetamine, a stimulant drug.

mephedrone
The recreational drug 4-methylmethcathinone, related to cathinone.

mesaconase
A type of fumarase that catalyses the hydrolysis of mesaconate

mesaconases
plural of mesaconase

mesc
The drug mescaline.

mesocarb
A stimulant drug developed in the USSR in the 1970s, a dopamine reuptake inhibitor which is slower-acting but longer-lasting and less neurotoxic than dextroamphetamine.

mesulfen
An antiacne drug.

metabolite
Any substance produced by, or taking part in, a metabolic reaction.

metabolites
plural of metabolite

metacaspase
Any of a class of arginine/lysine-specific enzymes related to the caspases and paracaspases, and found in plants, fungi, and protists.

metacaspases
plural of metacaspase

metaescaline
A lesser-known psychedelic drug, 3,4-dimethoxy-5-ethoxyphenethylamine; It is an analog of mescaline. Little data exists about the pharmacological properties.

metahexamide
An antidiabetic drug from the group of sulfonylureas.

metalloantibodies
plural of metalloantibody

metalloantibody
An antibody that is modified to contain metal ions within its structure.

metallochelatase
Any enzyme (such as ferrochelatase) that catalyses the chelation of a metal ion

metallochelatases
plural of metallochelatase

metallochlorin
A coenzyme, related to the porphyrins, containing a metal

metallochlorins
plural of metallochlorin

metalloenzyme
Any enzyme that contains a metal atom which is essential for its biological activity

metalloenzymes
plural of metalloenzyme

metalloform
The form of an enzyme that contains a (usually divalent) metal ion

metalloforms
plural of metalloform

metallopeptide
Any peptide that contains a metal ion

metallopeptides
plural of metallopeptide

metalloreductase
Any reductase that is a metalloenzyme

metalloreductases
plural of metalloreductase

metalloregulator
Any protein that regulates biochemical interactions with metals, often by binding to them

metalloregulators
plural of metalloregulator

metallothionine
A metal-binding protein.

metallothionines
plural of metallothionine

metallothioprotein
Any protein that contains a metal (typically zinc) bound to a cysteine residue

metallothioproteins
plural of metallothioprotein

metallotransferase
A transferase that is a metalloenzyme

metallotransferases
plural of metallotransferase

metallozyme
Alternative form of metalloenzyme.

metallozymes
plural of metallozyme

metamfetamine
Alternative spelling of methamphetamine. (This is the international non-proprietary name.)

metamphetamine
Misspelling of methamphetamine.

metanopirone
The drug tandospirone.

metaprotein
Any protein derived from another by the use of acids or bases

metaproteins
plural of metaprotein

metapyrocatechase
Catechol 2,3-dioxygenase, an enzyme that catalyzes the chemical reaction catechol + O₂ ⇌ 2-hydroxymuconate semialdehyde.

metapyrocatechases
plural of metapyrocatechase

metaxin
A mammalian mitochondrial protein.
The gene that encodes this protein.

metaxins
plural of metaxin

metchnikowin
An antimicrobial peptide present in the fruit fly Drosophila melanogaster

metedomidine
Misspelling of medetomidine.

metencephalin
Alternative form of metenkephalin.

metencephalins
plural of metencephalin

metenkephalin
An endogenous opioid peptide neurotransmitter found naturally in many parts of the animal and human body; one of the two forms of enkephalin (the other being leuenkephalin)

methamfetamine
Alternative spelling of methamphetamine.

methamphetamine
A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.

methamphetamines
Methamphetamine.

methanobactin
A copper-binding peptide present in some methanotroph bacteria

methanobactins
plural of methanobactin

methanopterin
A coenzyme responsible for methanogenesis

methantheline
A particular antimuscarinic drug.

methedrone
A recreational drug of the cathinone chemical class.

methergine
The drug methylergometrine.

methionine
A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.
A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.

methionines
plural of methionine

methoprene
A juvenile hormone analogue that acts as a growth regulator, sometimes used as an insecticide.

methoxphenidine
A dissociative drug of the diarylethylamine class.

methoxyhydroxyphenylglycol
3-methoxy-4-hydroxyphenylglycol, a metabolite of norepinephrine degradation.

methoxyketamine
A designer drug of the arylcyclohexylamine class.

methylase
Any of several enzymes that catalyze methylation, especially of nucleic acids

methylases
plural of methylase

methylenedioxymethamphetamine
The psychoactive drug MDMA or Ecstasy, an amphetamine that produces entactogenic, psychedelic, and stimulant effects.

methylesterase
Any esterase that catalyses the hydrolysis of a methyl ester

methylesterases
plural of methylesterase

methylglyoxalase
The enzyme lactoylglutathione lyase.