Warning: The NCBI web site requires JavaScript to function. more...
An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Ampicillin
Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.
Year introduced: 1965(1964)
KfhArr-R1 protein, Oryzias latipes [Supplementary Concept]
putative arrestins isolated from killifish Oryzias latipes; KfhArr-R1 and -R2 are distinct proteins and play different roles in rod photoreceptors; KfhArr-R1 is identical to KfhArr; GenBank AB002554
Date introduced: September 8, 1997
CDCA7L protein, human [Supplementary Concept]
RefSeq NM_018719
Date introduced: September 14, 2006
mapatumumab [Supplementary Concept]
a fully human IgG1 agonistic mAb that exclusively targets tumor necrosis factor-related apoptosis-inducing ligand receptor (TRAIL-R1) which is overexpressed on the surface of many tumors
Date introduced: January 26, 2006
alpha-glucan, water dikinase, Arabidopsis [Supplementary Concept]
phosphorylates pre-phosphorylated alpha-glucans, involved in starch degradation; homolog of potato alpha-glucan, water dikinase GWD, previously known as R1; GenBank AY747068
Date introduced: May 24, 2005
Rrm1 protein, mouse [Supplementary Concept]
RefSeq NM_009103
Date introduced: July 29, 2005
kid toxin protein, E coli plasmid R1 [Supplementary Concept]
from E. coli plasmid R1;involved in stable plasmid inheritance by postsegregational killing of plasmid-less daughter cells; Kid forms a two-component system with its antagonist, Kis antitoxin; Databank PDB/1M1F
Date introduced: April 15, 2003
NSC 630668-R1 [Supplementary Concept]
inhibits both Hsc70 ATPase activity and hsc70-mediated protein translocation; actual name is NSC-630668-R/1; structure in first source
Date introduced: April 3, 2001
ebulin r protein, Sambucus ebulus [Supplementary Concept]
non-toxic two-chain ribosome-inactivating protein from dwarf elder (Sambucus ebulus); r1 & r2 are isoforms; N-terminal amino acid sequence given in first source
Date introduced: August 25, 1997
GABA type B receptor, subunit 1 [Supplementary Concept]
1a and 1b are two of the isoforms produced by alternative splicing; amino acid sequence in first source
Date introduced: April 4, 1997
koryoginsenoside R1 [Supplementary Concept]
isolated from Panax ginseng; structure in first source
Date introduced: February 2, 1996
notoginsenoside R1 [Supplementary Concept]
Date introduced: March 18, 1992
Pyocins
Bacteriocins elaborated by mutant strains of Pseudomonas aeruginosa. They are protein or protein-lipopolysaccharide complexes lethal to other strains of the same or related species.
Year introduced: 1991(1979)
Ethers
Organic compounds having two alkyl or aryl groups bonded to an oxygen atom, as in the formula R1–O–R2.
pseudoginsengenin R1 [Supplementary Concept]
from the leaves and stems of Panax quinquefolium L; structure in first source
Date introduced: January 22, 2014
22-acetyl-21-(2-acetoxy-2-methylbutanoyl)-R1-barrigenol [Supplementary Concept]
from Radix Pittospori; structure in first source
Date introduced: May 2, 2013
C17orf75 protein, human [Supplementary Concept]
RefSeq NM_022344
Date introduced: April 17, 2013
CDC34 protein, human [Supplementary Concept]
RefSeq NM_004359
Date introduced: October 24, 2013
euglobal R1 [Supplementary Concept]
from the leaves of Eucalyptus robusta; structure in first source
Date introduced: December 18, 2012
protein phosphatase-6 SAPSP1 subunit, human [Supplementary Concept]
Date introduced: June 10, 2012