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4HWP

Crystal structure of E. coli Threonyl-tRNA synthetase bound to a novel inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004812molecular_functionaminoacyl-tRNA ligase activity
A0004829molecular_functionthreonine-tRNA ligase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0006418biological_processtRNA aminoacylation for protein translation
A0006435biological_processthreonyl-tRNA aminoacylation
B0000166molecular_functionnucleotide binding
B0004812molecular_functionaminoacyl-tRNA ligase activity
B0004829molecular_functionthreonine-tRNA ligase activity
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0006418biological_processtRNA aminoacylation for protein translation
B0006435biological_processthreonyl-tRNA aminoacylation
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 701
ChainResidue
ACYS334
AHIS385
AHIS511

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE X16 A 702
ChainResidue
AVAL376
APHE379
AGLN381
AASP383
AHIS385
ATYR462
ALYS465
AGLN479
ATHR482
AGLN484
AHIS511
AGLY516
ASER517
AARG520
AZN701
AHOH828
AHOH871
AHOH1032
AMET332
ACYS334
AARG363
AGLU365
AMET374
AARG375

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN B 701
ChainResidue
BCYS334
BHIS385
BHIS511

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE X16 B 702
ChainResidue
BMET332
BCYS334
BARG363
BGLU365
BMET374
BARG375
BVAL376
BPHE379
BGLN381
BASP383
BHIS385
BTYR462
BLYS465
BGLN479
BGLN484
BHIS511
BSER517
BARG520
BZN701
BHOH826
BHOH931
BHOH1042

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues582
DetailsRegion: {"description":"Catalytic","evidences":[{"source":"HAMAP-Rule","id":"MF_00184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues107
DetailsRegion: {"description":"Anticodon recognition","evidences":[{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues72
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11953757","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QF6","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues58
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10881191","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11136973","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11953757","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10319817","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10881191","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11136973","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"HAMAP-Rule","id":"MF_00184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues7
DetailsM-CSA 540
ChainResidueDetails
ACYS334electrostatic stabiliser, metal ligand
AARG363electrostatic stabiliser
AGLN381electrostatic stabiliser
AASP383electrostatic stabiliser
AHIS385metal ligand
ALYS465electrostatic stabiliser
AHIS511metal ligand

site_idMCSA2
Number of Residues7
DetailsM-CSA 540
ChainResidueDetails
BCYS334electrostatic stabiliser, metal ligand
BARG363electrostatic stabiliser
BGLN381electrostatic stabiliser
BASP383electrostatic stabiliser
BHIS385metal ligand
BLYS465electrostatic stabiliser
BHIS511metal ligand

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PDB entries from 2025-07-23

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