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1ASZ

THE ACTIVE SITE OF YEAST ASPARTYL-TRNA SYNTHETASE: STRUCTURAL AND FUNCTIONAL ASPECTS OF THE AMINOACYLATION REACTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003676molecular_functionnucleic acid binding
A0004812molecular_functionaminoacyl-tRNA ligase activity
A0004815molecular_functionaspartate-tRNA ligase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0006418biological_processtRNA aminoacylation for protein translation
A0006422biological_processaspartyl-tRNA aminoacylation
B0000166molecular_functionnucleotide binding
B0003676molecular_functionnucleic acid binding
B0004812molecular_functionaminoacyl-tRNA ligase activity
B0004815molecular_functionaspartate-tRNA ligase activity
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0006418biological_processtRNA aminoacylation for protein translation
B0006422biological_processaspartyl-tRNA aminoacylation
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE ATP A 701
ChainResidue
AARG325
RC675
RA676
AHIS334
AMET335
APHE338
AGLU478
AILE479
ALEU480
AGLY526
AARG531

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE ATP B 701
ChainResidue
BARG325
BMET335
BPHE338
BGLU478
BILE479
BLEU480
BSER481
BILE527
BARG531
SC675
SA676

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsRegion: {"description":"Aspartate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17330950","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17287358","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1asy
ChainResidueDetails
AARG325
AARG531
AASP342

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1asy
ChainResidueDetails
BARG325
BARG531
BASP342

site_idMCSA1
Number of Residues7
DetailsM-CSA 404
ChainResidueDetails

site_idMCSA2
Number of Residues7
DetailsM-CSA 404
ChainResidueDetails

246905

PDB entries from 2025-12-31

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