Enzymic recognition of amino acids drove the evolution of primordial genetic codes
How genetic information gained its exquisite control over chemical processes needed to
build living cells remains an enigma. Today, the aminoacyl-tRNA synthetases (AARS) …
build living cells remains an enigma. Today, the aminoacyl-tRNA synthetases (AARS) …
[HTML][HTML] Base pairing promoted the self-organization of genetic coding, catalysis, and free-energy transduction
CW Carter Jr - Life, 2024 - mdpi.com
How Nature discovered genetic coding is a largely ignored question, yet the answer is key to
explaining the transition from biochemical building blocks to life. Other, related puzzles also …
explaining the transition from biochemical building blocks to life. Other, related puzzles also …
Domain acquisition by class I aminoacyl-tRNA synthetase urzymes coordinated the catalytic functions of HVGH and KMSKS motifs
GQ Tang, JJH Elder, J Douglas… - Nucleic Acids …, 2023 - academic.oup.com
Leucyl-tRNA synthetase (LeuRS) is a Class I aminoacyl-tRNA synthetase (aaRS) that
synthesizes leucyl-tRNAleu for codon-directed protein synthesis. Two signature sequences …
synthesizes leucyl-tRNAleu for codon-directed protein synthesis. Two signature sequences …
Integration of transcriptomic and metabolomic reveals carbonate alkalinity stress responses in the hepatopancreas of Litopenaeus vannamei
Y Duan, Y Xing, X Zhu, H Li, Y Wang, Y Nan - Aquatic Toxicology, 2023 - Elsevier
Carbonate alkalinity (CA) is one of the environmental factors affecting the survival and
growth of aquatic animals. However, the toxic effects of CA stress on Pacific white shrimp …
growth of aquatic animals. However, the toxic effects of CA stress on Pacific white shrimp …
Fragment screening and structural analyses highlight the ATP-assisted ligand binding for inhibitor discovery against type 1 methionyl-tRNA synthetase
J Yi, Z Cai, H Qiu, F Lu, Z Luo, B Chen… - Nucleic Acids …, 2022 - academic.oup.com
Methionyl-tRNA synthetase (MetRS) charges tRNAMet with l-methionine (L-Met) to decode
the ATG codon for protein translation, making it indispensable for all cellular lives. Many …
the ATG codon for protein translation, making it indispensable for all cellular lives. Many …
AARS Online: A collaborative database on the structure, function, and evolution of the aminoacyl‐tRNA synthetases
The aminoacyl‐tRNA synthetases (aaRS) are a large group of enzymes that implement the
genetic code in all known biological systems. They attach amino acids to their cognate …
genetic code in all known biological systems. They attach amino acids to their cognate …
A genomic database furnishes minimal functional glycyl-tRNA synthetases homologous to other, designed class II urzymes
The hypothesis that conserved core catalytic sites could represent ancestral aminoacyl-
tRNA synthetases (AARS) drove the design of functional TrpRS, LeuRS, and HisRS …
tRNA synthetases (AARS) drove the design of functional TrpRS, LeuRS, and HisRS …
[HTML][HTML] Genomic database furnishes a spontaneous example of a functional Class II glycyl-tRNA synthetase urzyme
The chief barrier to studies of how genetic coding emerged is the lack of experimental
models for ancestral aminoacyl-tRNA synthetases (AARS). We hypothesized that conserved …
models for ancestral aminoacyl-tRNA synthetases (AARS). We hypothesized that conserved …
[HTML][HTML] Multidimensional phylogenetic metrics identify Class I Aminoacyl-tRNA synthetase evolutionary mosaicity and inter-modular coupling
CW Carter Jr, A Popinga, R Bouckaert… - International Journal of …, 2022 - mdpi.com
The role of aminoacyl-tRNA synthetases (aaRS) in the emergence and evolution of genetic
coding poses challenging questions concerning their provenance. We seek evidence about …
coding poses challenging questions concerning their provenance. We seek evidence about …
[HTML][HTML] A Leucyl-tRNA Synthetase Urzyme: Authenticity of tRNA Synthetase Catalytic Activities and Promiscuous Phosphorylation of Leucyl-5′ AMP
JJ Hobson, Z Li, H Hu, CW Carter Jr - International Journal of Molecular …, 2022 - mdpi.com
Aminoacyl-tRNA synthetase (aaRS)/tRNA cognate pairs translate the genetic code by
synthesizing specific aminoacyl-tRNAs that are assembled on messenger RNA by the …
synthesizing specific aminoacyl-tRNAs that are assembled on messenger RNA by the …