Structure of PDB 1exd Chain A Binding Site BS02

Receptor Information
>1exd Chain A (length=529) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TNFIRQIIDEDLASGKHTTVHTRFPPEPNGYLHIGHAKSICLNFGIAQDY
KGQCNLRFDDTNPVKEDIEYVESIKNDVEWLGFHWSGNVRYSSDYFDQLH
AYAIELINKGLAYVDELTPEQIREYRGTLTQPGKNSPYRDRSVEENLALF
EKMRAGGFEEGKACLRAKIDMASPFIVMRDPVLYRIKFAEHHQTGNKWCI
YPMYDFTHCISDALEGITHSLCTLEFQDNRRLYDWVLDNITIPVHPRQYE
FSRLNLEYTVMSKRKLNLLVTDKHVEGWDDPRMPTISGLRRRGYTAASIR
EFCKRIGVTKQDNTIEMASLESCIREDLNENAPRAMAVIDPVKLVIENYQ
GEGEMVTMPNHPNKPEMGSRQVPFSGEIWIDRADFREEANKQYKRLVLGK
EVRLRNAYVIKAERVEKDAEGNITTIFCTYDADTLGVIHWVSAAHALPVE
IRLYDRLFSVPNPGAADDFLSVINPESLVIKQGFAEPSLKDAVAGKAFQF
EREGYFCLDSRHSTAEKPVFNRTVGLRDT
Ligand information
Ligand IDSO4
InChIInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChIKeyQAOWNCQODCNURD-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0[O-]S(=O)(=O)[O-]
CACTVS 3.341[O-][S]([O-])(=O)=O
ACDLabs 10.04[O-]S([O-])(=O)=O
FormulaO4 S
NameSULFATE ION
ChEMBL
DrugBankDB14546
ZINC
PDB chain1exd Chain A Residue 1395 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1exd Tertiary core rearrangements in a tight binding transfer RNA aptamer.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		V267 M268 S269 K272
Binding residue
(residue number reindexed from 1)		V260 M261 S262 K265
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E34 R260 K270
Catalytic site (residue number reindexed from 1) E27 R253 K263
Enzyme Commision number 6.1.1.18: glutamine--tRNA ligase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004812 aminoacyl-tRNA ligase activity
GO:0004819 glutamine-tRNA ligase activity
GO:0005524 ATP binding
Biological Process
GO:0006412 translation
GO:0006418 tRNA aminoacylation for protein translation
GO:0006424 glutamyl-tRNA aminoacylation
GO:0006425 glutaminyl-tRNA aminoacylation
GO:0043039 tRNA aminoacylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1exd, PDBe:1exd, PDBj:1exd
PDBsum1exd
PubMed10881199
UniProtP00962|SYQ_ECOLI Glutamine--tRNA ligase (Gene Name=glnS)

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