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2PXH

Crystal structure of a bipyridylalanyl-tRNA synthetase

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004812molecular_functionaminoacyl-tRNA ligase activity
A0004831molecular_functiontyrosine-tRNA ligase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0006412biological_processtranslation
A0006418biological_processtRNA aminoacylation for protein translation
A0006437biological_processtyrosyl-tRNA aminoacylation
A0016874molecular_functionligase activity
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE BP5 A 308
ChainResidue
AGLY34
AHOH310
AHOH445
AHOH501
AHOH586
AGLU36
ATYR65
AALA67
ATYR151
AGLU155
AGLY158
ATRP159
AGLN173

Functional Information from PROSITE/UniProt
site_idPS00178
Number of Residues10
DetailsAA_TRNA_LIGASE_I Aminoacyl-transfer RNA synthetases class-I signature. P..SGkIHLGHY
ChainResidueDetails
APRO37-TYR46

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues7
DetailsRegion: {"description":"Tyrosine"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsRegion: {"description":"Interaction with t-RNA"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsMotif: {"description":"'HIGH' region"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsMotif: {"description":"'KMSKS' region"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12754495","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Interaction with t-RNA"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1d2r
ChainResidueDetails
ALYS204
ASER207

239492

PDB entries from 2025-07-30

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