smoothelin
A cytoskeletal protein fund only in smooth muscle cells.

solapsone
solasulfone

solasulfone
An antileprotic drug.

somapacitan
A growth hormone medication.

somatomammotropin
A polypeptide placental hormone

somatomammotropins
plural of somatomammotropin

somnos
A hypnotic and sedative drug containing chloral hydrate.

sophorose
A disaccharide present in sophorolipid.

sopromidine
A neuroprotective drug.

sortase
Any of a group of prokaryotic enzymes that form pili through cleavage and isopeptide bonding of precursors

sortases
plural of sortase

spasmolytin
Synonym of adiphenine.

spectrin
A contractile protein found on the surface of the membranes of blood cells

spectrins
plural of spectrin

sphingolipid
Any lipid, such as sphingomyelin, that is derived from sphingosine or one of its derivatives

sphingolipids
plural of sphingolipid

sphingomyelinase
Any of several enzymes that catalyzes the cleavage of phosphodiester bonds in sphingomyelin

sphingomyelinases
plural of sphingomyelinase

sphingosinokinase
sphingosine kinase

spidroin
The main type of protein in spiders' dragline silk.

spidroins
plural of spidroin

spinophilin
A regulatory subunit of protein phosphatase-1 catalytic subunit, highly enriched in dendritic spines.

spinophillin
Misspelling of spinophilin.

spirgetine
An adrenergic drug.

spirocyclase
Any enzyme that catalyses a spirocyclization reaction, especially the formation of a spiroketal

spirocyclases
plural of spirocyclase

spirogermanium
An immunostimulant drug.

spiroxatrine
A drug, an analogue of spiperone.

spizofurone
An antiulcer drug.

splenotoxin
Any substance that is toxic to the spleen.

splenotoxins
plural of splenotoxin

sporamin
A storage protein found in the tubers of sweet potato

sporamins
plural of sporamin

sporecoat
A group of protein layers beneath the perispore of some spores

sporecoats
plural of sporecoat

staphlokinase
Misspelling of staphylokinase.

staphylokinase
A kinase, from Staphylococcus bacteria, that activates plasminogen to form plasmin

staphylokinases
plural of staphylokinase

stargazin
A brain-specific transmembrane protein associated with a form of epilepsy

stargazins
plural of stargazin

statine
An unusual amino acid 4-amino-3-hydroxy-6-methylheptanoic acid that is a component of pepstatin; any of several derivatives of this compound

statines
plural of statine

stellasterol
The marine sterol (3S,5S,9R,10S,13R,14R,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol

stemarene
A terpene hydrocarbon created by the biosynthesis of enzyme extracts from rice.

stemphol
A particular resorcinolic lipid.

steroleosin
A dehydrogenase, present in oil-bearing seeds, that binds sterols

stibocaptate
An organoantimony compound and a trivalent antimonial drug historically investigated for use as a treatment for parasitic infections, specifically urinary schistosomiasis.

stictosidine
Misspelling of strictosidine.

stirocainide
An antiarrhythmic drug.

stomatin
An erythrocyte membrane protein.

stomatins
plural of stomatin

stonustoxin
A toxin, related to perforin, present in stonefish.

strepavidin
Alternative form of streptavidin.

streptavadin
A peptide used, along with biotin, in the sequencing of RNA.

streptavidin
A tetrameric protein purified from Streptomyces avidinii that binds very tightly to the vitamin biotin

streptavidine
Alternative form of streptavidin.

streptavidins
plural of streptavidin

streptoavidin
Alternative form of streptavidin.

streptovidin
Misspelling of streptavidin.

striatin
A calmodulin-binding protein

striatins
plural of striatin

strictosidine
A terpene indole alkaloid formed by the condensation of tryptamine with secologanin by the enzyme strictosidine synthase. It is the base molecule for many pharmaceutically valuable metabolites.

stromatoxin
A peptide toxin in the venom of the spider Stromatopelma calceatum

subathizone
An antitubercular drug.

subpeptide
A peptide that is derived from part of a larger one

subpeptides
plural of subpeptide

succinobucol
An antioxidant drug.

succinylacetone
A metabolite that occurs in the blood of people with tyrosinaemia

succinylase
Any enzyme that catalyzes the formation of succinate esters

succinylases
plural of succinylase

succinylpeptide
A succinylated peptide

succinylpeptides
plural of succinylpeptide

succinylprotein
A succinylated protein

succinylproteins
plural of succinylprotein

succinyltransferase
Any transferase enzyme that transfers succinyl groups

succinyltransferases
plural of succinyltransferase

succisulfone
A sulfonamide antiinfective drug.

sudexanox
An antiasthmatic drug.

sugammadex
A drug for reversal of neuromuscular blockade by the agent rocuronium in general anesthesia.

suilysin
A cytolysin produced by Streptococcus suis

sulfamidase
Any enzyme that catalyses the removal of sulfate groups from carbohydrates such as mucopolysaccharides

sulfamidases
plural of sulfamidase

sulfatase
Any of several enzymes, in animals and bacteria, which catalyze the hydrolysis of organic sulfates

sulfatases
plural of sulfatase

sulfcatalase
An inactive form of the enzyme catalase formed by reaction with hydrogen sulfide or homocysteine

sulfhydrylase
Any enzyme that catalyses a reaction with hydrogen sulfide to form a sulfhydryl group

sulfhydrylases
plural of sulfhydrylase

sulfiredoxin
An oxidoreductase enzyme involved in antioxidant metabolism

sulfiredoxins
plural of sulfiredoxin

sulfohydrolase
Any enzyme that catalyses the hydrolysis of an organic sulfate

sulfohydrolases
plural of sulfohydrolase

sulfometuron
Any drug that is a 2-[(4,6-dimethylpyrimidin-2-yl)carbamoylsulfamoyl]benzoate ester

sulfonase
Any enzyme that catalyses a sulfonation reaction

sulfonases
plural of sulfonase

sulfoprotein
Any protein that has a free sulfate group

sulfoproteins
plural of sulfoprotein

sulfotransferase
Any transferase enzyme that catalyses the transfer of sulfate groups

sulfotransferases
plural of sulfotransferase

sulfoxone
A particular antileprotic drug.

sulfoxyreductase
Any reductase that reduces sulfoxide (typically in oxidized methionine)

sulfoxyreductases
plural of sulfoxyreductase

sulfurase
Any enzyme that catalyses a reaction involving elemental sulfur.

sulfurases
plural of sulfurase

sulfurtransferase
Any enzyme that catalyzes the transfer of sulfur-containing groups between molecules

sulfurtransferases
plural of sulfurtransferase

sulfurylase
Any enzyme that catalyzes the transfer of sulfate, typically to a form of ATP

sulfurylases
plural of sulfurylase

sulisatin
A laxative drug.

sulotroban
An antiplatelet drug.

sulphatase
Alternative spelling of sulfatase.

sulphatases
plural of sulphatase

sulphonolipid
Any lipid containing a sulphonic acid moiety.

sulphonolipids
plural of sulphonolipid

sulphotransferase
Alternative spelling of sulfotransferase.

sulphotransferases
plural of sulphotransferase

sulphurtransferase
Alternative spelling of sulfurtransferase.

sulphurtransferases
plural of sulphurtransferase

sulphurylase
Alternative form of sulfurylase.

sulphurylases
plural of sulphurylase

sunepitron
A drug designed to treat depression and anxiety.

superfold
A large grouping of protein fold conformations

superfolds
plural of superfold

surfurylase
Misspelling of sulfurylase.

syabu
Alternative form of shabu.

symetine
An antiprotozoal drug.

sympectothion
Synonym of ergothioneine.

synaptobrevin
A small integral membrane protein of secretory vesicles.

synaptobrevins
plural of synaptobrevin

synaptopodin
An actin-binding protein present in the podocytes of the kidney

synaptopodins
plural of synaptopodin

synaptoporin
A particular protein.

syncollin
A small protein found in the exocrine pancreas

synectin
A cytoplasmic domain-binding protein that inhibits cell migration

synexin
A particular adrenal medullary protein involved in calcium metabolism
Synonym of annexin.

synexins
plural of synexin