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3VJR

Crystal structure of Peptidyl-tRNA hydrolase from Escherichia coli in complex with the CCA-acceptor-T[PSI]C domain of tRNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0000049molecular_functiontRNA binding
A0003723molecular_functionRNA binding
A0004045molecular_functionpeptidyl-tRNA hydrolase activity
A0005737cellular_componentcytoplasm
A0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
A0016787molecular_functionhydrolase activity
A0071236biological_processcellular response to antibiotic
A0072344biological_processrescue of stalled ribosome
C0000049molecular_functiontRNA binding
C0003723molecular_functionRNA binding
C0004045molecular_functionpeptidyl-tRNA hydrolase activity
C0005737cellular_componentcytoplasm
C0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
C0016787molecular_functionhydrolase activity
C0071236biological_processcellular response to antibiotic
C0072344biological_processrescue of stalled ribosome
Functional Information from PROSITE/UniProt
site_idPS01195
Number of Residues14
DetailsPEPT_TRNA_HYDROL_1 Peptidyl-tRNA hydrolase signature 1. YaaTRHNaGawFVD
ChainResidueDetails
ATYR19-ASP32

site_idPS01196
Number of Residues11
DetailsPEPT_TRNA_HYDROL_2 Peptidyl-tRNA hydrolase signature 2. GhggHNGLKDI
ChainResidueDetails
AGLY113-ILE123

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_00083","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"22923517","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9303320","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00083","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21718701","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00083","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"22923517","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21718701","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Discriminates between blocked and unblocked aminoacyl-tRNA","evidences":[{"source":"HAMAP-Rule","id":"MF_00083","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21718701","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Stabilizes the basic form of H active site to accept a proton","evidences":[{"source":"HAMAP-Rule","id":"MF_00083","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21718701","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22923517","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9303320","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 931
ChainResidueDetails
AHIS24proton shuttle (general acid/base)
AASN72electrostatic stabiliser
AASP97electrostatic stabiliser, modifies pKa
AASN118electrostatic stabiliser

site_idMCSA2
Number of Residues4
DetailsM-CSA 931
ChainResidueDetails
CHIS24proton shuttle (general acid/base)
CASN72electrostatic stabiliser
CASP97electrostatic stabiliser, modifies pKa
CASN118electrostatic stabiliser

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PDB entries from 2025-12-17

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