Substance | Relationship Strength | Studies | Trials | Classes | Roles |
phosphoserine Phosphoserine: The phosphoric acid ester of serine. | 2 | 1 | 0 | non-proteinogenic alpha-amino acid; O-phosphoamino acid; serine derivative | human metabolite |
penicillin g Penicillin G: A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.. benzylpenicillin : A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | 2.02 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug; drug allergen; epitope |
cephalothin Cephalothin: A cephalosporin antibiotic.. cefalotin : A semisynthetic, first-generation cephalosporin antibiotic with acetoxymethyl and (2-thienylacetyl)nitrilo moieties at positions 3 and 7, respectively, of the core structure. Administered parenterally during surgery and to treat a wide spectrum of blood infections. | 2.02 | 1 | 0 | azabicycloalkene; beta-lactam antibiotic allergen; carboxylic acid; cephalosporin; semisynthetic derivative; thiophenes | antibacterial drug; antimicrobial agent |
cloxacillin Cloxacillin: A semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN.. cloxacillin : A semisynthetic penicillin antibiotic carrying a 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamido group at position 6. | 2.02 | 1 | 0 | penicillin allergen; penicillin; semisynthetic derivative | antibacterial agent; antibacterial drug |
oxacillin Oxacillin: An antibiotic similar to FLUCLOXACILLIN used in resistant staphylococci infections.. oxacillin : A penicillin antibiotic carrying a 5-methyl-3-phenylisoxazole-4-carboxamide group at position 6beta. | 2.02 | 1 | 0 | penicillin | antibacterial agent; antibacterial drug |
ampicillin Ampicillin: Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.. ampicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | 2.02 | 1 | 0 | beta-lactam antibiotic; penicillin allergen; penicillin | antibacterial drug |
ornithine Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 2.05 | 1 | 0 | non-proteinogenic L-alpha-amino acid; ornithine | algal metabolite; hepatoprotective agent; mouse metabolite |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 2.52 | 2 | 0 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
penicillin v Penicillin V: A broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms.. phenoxymethylpenicillin : A penicillin compound having a 6beta-(phenoxyacetyl)amino side-chain. | 2.02 | 1 | 0 | penicillin allergen; penicillin | |
glycylglycine [no description available] | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | human metabolite |
dicloxacillin Dicloxacillin: One of the PENICILLINS which is resistant to PENICILLINASE.. dicloxacillin : A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazol-4-yl]formyl group. | 2.02 | 1 | 0 | dichlorobenzene; penicillin | antibacterial drug |
cyclacillin Cyclacillin: A cyclohexylamido analog of PENICILLANIC ACID. | 2.02 | 1 | 0 | penicillin | antibacterial drug |
floxacillin Floxacillin: Antibiotic analog of CLOXACILLIN.. flucloxacillin : A penicillin compound having a 6beta-[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxamido] side-chain. | 2.02 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
cephalexin Cephalexin: A semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of CEPHALORIDINE or CEPHALOTHIN, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.. cephalexin : A semisynthetic first-generation cephalosporin antibiotic having methyl and beta-(2R)-2-amino-2-phenylacetamido groups at the 3- and 7- of the cephem skeleton, respectively. It is effective against both Gram-negative and Gram-positive organisms, and is used for treatment of infections of the skin, respiratory tract and urinary tract. | 2.02 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; semisynthetic derivative | antibacterial drug |
cephapirin Cephapirin: Cephalosporin antibiotic, partly plasma-bound, that is effective against gram-negative and gram-positive organisms.. cephapirin : A cephalosporin with acetoxymethyl and 2(pyridin-4-ylsulfanyl)acetamido substituents at positions 3 and 7, respectively, of the cephem skeleton. It is used (as its sodium salt) as an antibiotic, being effective against gram-negative and gram-positive organisms. | 2.02 | 1 | 0 | cephalosporin | antibacterial drug |
cefazolin Cefazolin: A semisynthetic cephalosporin analog with broad-spectrum antibiotic action due to inhibition of bacterial cell wall synthesis. It attains high serum levels and is excreted quickly via the urine.. cefazolin : A first-generation cephalosporin compound having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups at positions 3 and 7 respectively. | 2.02 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; tetrazoles; thiadiazoles | antibacterial drug |
cephradine Cephradine: A semi-synthetic cephalosporin antibiotic.. cephradine : A first-generation cephalosporin antibiotic with a methyl substituent at position 3, and a (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetamido substituent at position 7, of the cephem skeleton. | 2.02 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin | antibacterial drug |
cefmetazole Cefmetazole: A semisynthetic cephamycin antibiotic with a broad spectrum of activity against both gram-positive and gram-negative microorganisms. It has a high rate of efficacy in many types of infection and to date no severe side effects have been noted.. cefmetazole : A second-generation cephalosporin antibiotic having N(1)-methyltetrazol-5-ylthiomethyl, {[(cyanomethyl)sulfanyl]acetyl}amino and methoxy side-groups at positions 3, 7beta and 7alpha respectively of the parent cephem bicyclic structure. | 2.02 | 1 | 0 | cephalosporin | antibacterial drug |
piperacillin Piperacillin: Semisynthetic, broad-spectrum, AMPICILLIN derived ureidopenicillin antibiotic proposed for PSEUDOMONAS infections. It is also used in combination with other antibiotics.. piperacillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-[(4-ethyl-2,3-dioxopiperazin-1-yl)carboxamido]-2-phenylacetamido group. | 2.02 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug |
moxalactam Moxalactam: Broad- spectrum beta-lactam antibiotic similar in structure to the CEPHALOSPORINS except for the substitution of an oxaazabicyclo moiety for the thiaazabicyclo moiety of certain CEPHALOSPORINS. It has been proposed especially for the meningitides because it passes the blood-brain barrier and for anaerobic infections.. moxalactam : A broad-spectrum oxacephem antibiotic in which the oxazine ring is substituted with a tetrazolylthiomethyl group and the azetidinone ring carries methoxy and 2-carboxy-2-(4-hydroxyphenyl)acetamido substituents. | 2.02 | 1 | 0 | cephalosporin; oxacephem | antibacterial drug |
cefadroxil anhydrous Cefadroxil: Long-acting, broad-spectrum, water-soluble, CEPHALEXIN derivative.. cefadroxil : A cephalosporin bearing methyl and (2R)-2-amino-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.02 | 1 | 0 | cephalosporin | antibacterial drug |
cefaclor anhydrous Cefaclor: Semisynthetic, broad-spectrum antibiotic derivative of CEPHALEXIN.. cefaclor : A cephalosporin bearing chloro and (R)-2-amino-2-phenylacetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.02 | 1 | 0 | cephalosporin | antibacterial drug; drug allergen |
leucyl-glycyl-glycine leucyl-glycyl-glycine: RN given refers to (L-Leu)-isomer. Leu-Gly-Gly : A tripeptide composed of one L-leucine and two glycine residues joined in sequence. | 2.02 | 1 | 0 | tripeptide | metabolite |
prolyl-glycyl-glycine prolyl-glycyl-glycine: structure given in first source | 2.02 | 1 | 0 | oligopeptide | |
tyrosyl-glycyl-glycine tyrosyl-glycyl-glycine: RN given refers to L-isomer; this may not be the same as IMREG-1. Tyr-Gly-Gly : A tripeptide composed of one L-tyrosine and two glycine residues joined in sequence. | 2.02 | 1 | 0 | tripeptide zwitterion; tripeptide | metabolite |
prolylglutamic acid Pro-Glu : A dipeptide formed from L-proline and L-glutamic acid residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
cysteinylglycine cysteinylglycine: RN given refers to (L)-isomer; RN for cpd without isomeric designation not in Chemlne 7/13/83. L-cysteinylglycine : A dipeptide consisting of glycine having an L-cysteinyl attached to its alpha-amino group. It is an intermediate metabolite in glutathione metabolism. | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | Escherichia coli metabolite; human metabolite; Saccharomyces cerevisiae metabolite |
cefoxitin Cefoxitin: A semisynthetic cephamycin antibiotic resistant to beta-lactamase.. cefoxitin : A semisynthetic cephamycin antibiotic which, in addition to the methoxy group at the 7alpha position, has 2-thienylacetamido and carbamoyloxymethyl side-groups. It is resistant to beta-lactamase. | 2.02 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; cephamycin; semisynthetic derivative | antibacterial drug |
phenylalanyl-prolyl-arginine [no description available] | 2.06 | 1 | 0 | oligopeptide | |
cefamandole Cefamandole: Semisynthetic wide-spectrum cephalosporin with prolonged action, probably due to beta-lactamase resistance. It is used also as the nafate.. cefamandole : A cephalosporin compound having (R)-mandelamido and N-methylthiotetrazole side-groups. | 2.02 | 1 | 0 | cephalosporin; semisynthetic derivative | antibacterial drug |
aspartyl-aspartic acid aspartyl-aspartic acid: do not confuse with cyclo(Asp-Asp). Asp-Asp : A dipeptide formed from two L-aspartic acid units. | 2.02 | 1 | 0 | dipeptide | Mycoplasma genitalium metabolite |
glycylproline Gly-Pro : A dipeptide consisting of L-proline having a glycyl residue attached to its alpha-amino group. | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
trimethionine [no description available] | 2.02 | 1 | 0 | oligopeptide | |
7432 s Ceftibuten: A cephalosporin antibacterial agent that is used in the treatment of infections, including urinary-tract and respiratory-tract infections.. ceftibuten : A third-generation cephalosporin antibiotic with a [(2Z)-2-(2-amino-1,3-thiazol-4-yl)-4-carboxybut-2-enoyl]amino substituent at the 7 position of the cephem skeleton. An orally-administered agent, ceftibuten is used as the dihydrate to treat urinary-tract and respiratory-tract infections. | 2.02 | 1 | 0 | cephalosporin; dicarboxylic acid | antibacterial drug |
cefodizime cefodizime: RN given refers to (6R-(6alpha,7beta(Z)))-isomer. cefodizime : A cephalosporin compound having 5-(carboxymethyl)-4-methyl-1,3-thiazol-2-yl]sulfanyl}methyl and [2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups located at positions 3 and 7 respectively. | 2.02 | 1 | 0 | 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; EC 1.14.18.1 (tyrosinase) inhibitor |
cefixime [no description available] | 2.02 | 1 | 0 | cephalosporin | antibacterial drug; drug allergen |
alanyl-alanyl-alanine alanyl-alanyl-alanine: RN given refers to all (L)-isomer. Ala-Ala-Ala : A tripeptide composed of three L-alanine units joined by peptide linkages. | 2.02 | 1 | 0 | tripeptide | metabolite |
cefuroxime [no description available] | 2.02 | 1 | 0 | 3-(carbamoyloxymethyl)cephalosporin; furans; oxime O-ether | drug allergen |
ceftriaxone [no description available] | 2.02 | 1 | 0 | 1,2,4-triazines; 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen; EC 3.5.2.6 (beta-lactamase) inhibitor |
cefepime Cefepime: A fourth-generation cephalosporin antibacterial agent that is used in the treatment of infections, including those of the abdomen, urinary tract, respiratory tract, and skin. It is effective against PSEUDOMONAS AERUGINOSA and may also be used in the empiric treatment of FEBRILE NEUTROPENIA.. cefepime : A cephalosporin bearing (1-methylpyrrolidinium-1-yl)methyl and (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. | 2.02 | 1 | 0 | cephalosporin; oxime O-ether | antibacterial drug |
hr 810 cefpirome: structure in first source. cefpirome : A fourth-generation cephalosporin antibiotic having 6,7-dihydro-5H-cyclopenta[b]pyridinium-1-ylmethyl and [(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups located at positions 3 and 7 respectively. | 2.02 | 1 | 0 | cephalosporin; cyclopentapyridine | |
alanylalanine L-alanyl-L-alanine : A dipeptide consisting of two L-alanine units joined by a peptide linkage. | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | Mycoplasma genitalium metabolite |
tyrosyl-alanyl-glycine tyrosyl-alanyl-glycine: RN given refers to unlabeled (L-Tyr-D-Ala)-isomer | 2.02 | 1 | 0 | | |
phenylalanylalanine phenylalanylalanine: RN given refers to (L)-isomer. Phe-Ala : A dipeptide formed from L-phenylalanine and L-alanine residues. | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
alpha-aspartylalanine alpha-aspartylalanine: found in pig brain. Asp-Ala : A dipeptide formed from L-alpha-aspartyl and L-valine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
alanyltyrosine Tyr-Ala : A dipeptide formed from L-tyrosine and L-alanine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
cefotaxime Cefotaxime: Semisynthetic broad-spectrum cephalosporin.. cefotaxime : A cephalosporin compound having acetoxymethyl and [2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups. | 2.02 | 1 | 0 | 1,3-thiazoles; cephalosporin; oxime O-ether | antibacterial drug; drug allergen |
cefpodoxime [no description available] | 2.02 | 1 | 0 | carboxylic acid; cephalosporin | antibacterial drug |
aspartyllysine aspartyllysine: from feces of axenic mice. Asp-Lys : A dipeptide formed from L-alpha-aspartyl and L-lysine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
methampicillin methampicillin: RN given refers to parent cpd(2S-(2alpha,5alpha,6beta(S*)))-isomer. metampicillin : A penicillin compound having a 6beta-(2R)-2-(methylideneamino)-2-phenylacetamido side-group. | 2.02 | 1 | 0 | penicillin allergen; penicillin | |
glutamylalanine Glu-Ala : A dipeptide formed from L-alpha-glutamyl and L-alanine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
phenylalanylphenylalanine Phe-Phe : A dipeptide formed from two L-phenylalanine residues. | 2.02 | 1 | 0 | dipeptide; L-aminoacyl-L-amino acid zwitterion | human blood serum metabolite; Mycoplasma genitalium metabolite |
phenylalanyl-valine Val-Phe : A dipeptide formed from L-valine and L-phenylalanine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
alanylglycine [no description available] | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
valyltyrosine valyltyrosine: from sardine muscle hydrolyzate. Val-Tyr : A dipeptide formed from L-valine and L-tyrosine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
lysylglutamic acid lysylglutamic acid: a geroprotective agent. Lys-Glu : A dipeptide formed from L-lysine and L-glutamic acid residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
Ala-Lys Ala-Lys : A dipeptide obtained by formal condensation of the carboxy group of L-alanine with the alpha-amino group of L-lysine. | 2.02 | 1 | 0 | dipeptide | marine metabolite |
phenylalanylproline Phe-Pro : A dipeptide formed from L-phenylalanine and L-proline residues. | 2.05 | 1 | 0 | dipeptide | metabolite |
glycylhistidine glycylhistidine: RN given refers to (L)-isomer. Gly-His : A dipeptide composed of glycine and L-histidine joined by a peptide linkage. | 2.02 | 1 | 0 | dipeptide zwitterion; dipeptide | metabolite |
isoleucyl-tyrosine isoleucyl-tyrosine: a dipeptide with antihypertensive effect. Ile-Tyr : A dipeptide formed from L-isoleucine and L-tyrosine residues. | 2.02 | 1 | 0 | dipeptide | metabolite |
valyl-prolyl-proline Val-Pro-Pro : A tripeptide composed of L-valine and two L-proline units joined by peptide linkages. | 2.02 | 1 | 0 | tripeptide | metabolite |
isoleucyl-prolyl-proline [no description available] | 2.02 | 1 | 0 | oligopeptide | |
isoleucyl-valyl-tyrosine [no description available] | 2.02 | 1 | 0 | oligopeptide | |
prolyl-proline Pro-Pro : A dipeptide formed from two L-proline residues. | 2.02 | 1 | 0 | dipeptide | human urinary metabolite; Mycoplasma genitalium metabolite |
tuftsin Tuftsin: N(2)-((1-(N(2)-L-Threonyl)-L-lysyl)-L-prolyl)-L-arginine. A tetrapeptide produced in the spleen by enzymatic cleavage of a leukophilic gamma-globulin. It stimulates the phagocytic activity of blood polymorphonuclear leukocytes and neutrophils in particular. The peptide is located in the Fd fragment of the gamma-globulin molecule. | 1.96 | 1 | 0 | peptide | |