sambubiose
A particular disaccharide.

sapecin
An antibacterial protein present in a Sarcophaga

sapeptide
A self-assembling peptide

sapeptides
plural of sapeptide

saporin
A ribosome-inactivating protein present in the seeds of the soapwort Saponaria officinalis

sarcalumenin
A calcium-binding protein present in the sarcoplasmic reticulum of striated muscle

sarcospan
A transmembrane protein, located within skeletal muscle, the loss of which is associated with muscular dystrophy.

saringosterol
A sterol derivative present in Lessonia nigrescens

sarolaner
An isoxazoline ectoparasiticide drug.

sarprogrelate
A drug that blocks serotonin-induced platelet aggregation, used in treating various diseases.

sartoricin
A polyketide metabolite of Aspergillus.

saruplase
A fibrinolytic enzyme, closely related to urokinase.

satavaptan
A certain vaptan drug proposed for the treatment of hyponatremia and ascites.

satetraxetan
A monoclonal antibody containing radiolutetium

savinase
A protease enzyme developed for the detergent industry.

savinases
plural of savinase

scante
The drug methamphetamine hydrochloride, crystal meth.

schizophyllan
The drug sizofiran.

schmecker
A user of the drug heroin.

schmeckers
plural of schmecker

schottenol
A sterol found in the cactus Pachycereus schottii.

scinderin
An actin related to gelsolin

sclerotin
The crosslinked protein component of the cuticles of insects.

sclerotins
plural of sclerotin

scolexin
A plasma protein that induced immunological coagulation in response to some infections

scolopendrasin
An antimicrobial peptide produced by Scolopendra subspinipes mutilans.

scolopin
An antimicrobial peptide produced by Scolopendra subspinipes mutilans.

scorpine
An antimalarial peptide, isolated from the venom of the scorpion Pandinus imperator

scotophobin
A supposed biochemical once thought to be responsible for maintaining an induced fear of the dark in the brains of rats.

scotopsin
The protein component of rhodopsin.

scramblase
Any of a group of enzymes that aid the translocation of phospholipids across cell membranes.

scramblases
plural of scramblase

scruin
An actin crosslinking protein.

scurfin
A particular forkhead protein involved in immune system responses.

scygonadin
An antimicrobial protein present in the crab Scylla

scygonadins
plural of scygonadin

seclazone
A uricosuric drug.

secretagogin
A secreted calcium-binding protein found in the cytoplasm

secretoneurin
A 33-amino acid neuropeptide derived from secretogranin II, found in a wide variety of peptidergic endocrine cells and involved in chemotaxis of monocytes and eosinophils.

sedoheptulokinase
A kinase that catalyses the phosphorylation of sedoheptulose

seipin
A homooligomeric integral membrane protein in the endoplasmic reticulum that concentrates at junctions with cytoplasmic lipid droplets

seipins
plural of seipin

selenoenzyme
Any enzyme that contains a selenium atom.

selenoenzymes
plural of selenoenzyme

selenometabolite
Any metabolite that contains selenium

selenometabolites
plural of selenometabolite

selenomethionine
An amino acid related to methionine by the replacement of its sulfur atom by one of selenium

selenomethionines
plural of selenomethionine

selenopeptide
Any peptide containing the amino acid selenocysteine

selenopeptides
plural of selenopeptide

selexipag
A drug currently in development for the treatment of pulmonary arterial hypertension.

selfotel
A drug with anticonvulsant, anxiolytic, analgesic and neuroprotective effects.

seliciclib
A drug being researched for the treatment of certain lung cancers and other disorders.

selinexor
A particular anticancer drug

selurampanel
A drug, closely related to the quinoxalinedione series, that acts as a competitive antagonist of the AMPA and kainate receptors.

semagacestat
A drug designed to treat Alzheimer's disease but never marketed.

senicapoc
A drug that acts as a Gardos channel blocker.

separase
A cysteine protease responsible for triggering anaphase by hydrolysing cohesin.

separases
plural of separase

separin
Synonym of separase.

separins
plural of separin

seprase
A fibroblast activation protein.

septanose
Any monosaccharide having a configuration containing a seven-membered ring

septanoses
plural of septanose

septapeptide
Any oligopeptide containing seven amino acid residues

septapeptides
plural of septapeptide

septide
The peptide 5-oxo-L-prolyl-L-phenylalanyl-L-phenylalanyl-L-prolyl-L-leucyl-L-methioninamide

sequenase
A genetically modified form of DNA polymerase used in DNA sequencing

sequenases
plural of sequenase

seractide
A therapeutic corticotropin drug.

seralbumin
albumin of the blood

serelaxin
An investigational drug for the treatment of acute heart failure, targeting the relaxin receptor.

serine
A nonessential amino acid, CH₂OH.CH(NH₂)COOH, found in most animal proteins, notably silk.

serines
plural of serine

seroalbumin
Alternative form of seralbumin.

seroblock
A monoclonal antibody that binds to cell surface proteins

seroblocks
plural of seroblock

seroenzyme
Any enzyme present in blood serum

seroenzymes
plural of seroenzyme

seroin
A structural protein in the silk of the silkmoth (Bombyx mori)

seroins
plural of seroin

seroprotein
Any protein found in blood serum

seroproteins
plural of seroprotein

serotropin
A synthetic human growth hormone used by bodybuilders

serralysin
serratiopeptidase

serralysins
plural of serralysin

serratiopeptidase
A proteolytic enzyme (protease) produced by Serratia enterobacteria.

setazindol
An anorectic drug.

setmelanotide
An antiobesity drug.

sfericase
A proteolytic enzyme obtained from Bacillus sphaericus.

shabu
Methedrine; methamphetamine.

sheddase
Any of a group of membrane-bound enzymes that cleave extracellular portions of transmembrane proteins, releasing the soluble ectodomains from the cell surface.

sheddases
plural of sheddase

sherm
The drug phencyclidine (PCP).
A cigarette soaked in PCP.
A degenerate; a person not worthy of respect.

sherms
plural of sherm

shmecker
Alternative form of schmecker (“heroin user”).

shmeckers
plural of shmecker

shotter
A drug dealer.

shotters
plural of shotter

sialoglycoprotease
A protease that hydrolyses sialoglycoproteins

sialoglycoproteases
plural of sialoglycoprotease

sialoligosaccharide
Any oligosaccharide derived from sialic acid

sialoligosaccharides
plural of sialoligosaccharide

sialometabolite
Any metabolite derived from sialic acid

sialometabolites
plural of sialometabolite

sialooligosaccharide
Alternative form of sialoligosaccharide.

sialooligosaccharides
plural of sialooligosaccharide

sialorphin
A peptide that is an exocrine and endocrine signaling mediator

sialyloligosaccharide
Any oligosaccharide related to sialic acid

sialyloligosaccharides
plural of sialyloligosaccharide

sialyltransferase
Any of a class of enzymes that catalyze the transfer of sialic acid moieties (especially to certain glycolipids)

sialyltransferases
plural of sialyltransferase

sibopirdine
A nootropic drug.

sifuvirtide
A peptide that inhibits HIV fusion and replication

silacidin
A highly-phosphorylated protein that is involved in biomineralization

silacidins
plural of silacidin

silladars
plural of silladar

simeprevir
A drug for the treatment of hepatitis C.

simtrazene
An antineoplastic drug.

sinapoyltransferase
A transferase that transfers a sinapoyl group

sinapoyltransferases
plural of sinapoyltransferase

sincalide
A cholecystokinetic drug used in diagnosing disorders of the gall bladder and pancreas.

siponimod
An investigational drug for multiple sclerosis.

sitalidone
A particular diuretic drug.

sitosterolaemia
Alternative form of sitosterolemia.

sitosterolemia
A rare inherited lipid metabolic disorder, characterized by hyperabsorption and decreased biliary excretion of dietary sterols leading to hypercholesterolemia, xanthomas, premature atherosclerosis, and abnormal hematologic and liver function test results.