Structure of PDB 4rd0 Chain A Binding Site BS02

Receptor Information
>4rd0 Chain A (length=414) Species: 273057 (Saccharolobus solfataricus P2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AWPKVQPEVNIGVVGHVAHGKTTLVQAITGIWTSKHSEELKRGMTIKLGY
AETNIGVCESCKKPEAYVTEPSCKSCGSDDEPKFLRRISFIDAPGHEVLM
ATMLSGAALMDGAILVVAANEPFPQPQTREHFVALGIIGVKNLIIVQNKV
DVVSKEEALSQYRQIKQFTKGTWAENVPIIPVSALHKINIDSLIEGIEEY
IKTPYRDLSQKPVMLVIRSFDVNKPGTQFNELKGGVIGGSIIQGLFKVDQ
EIKVLPGLRVEKQGKVSYEPIFTKISSIRFGDEEFKEAKPGGLVAIGTYL
DPSLTKADNLLGSIITLADAEVPVLWNIRIKYNLLERVVGAKEMLKVDPI
RAKETLMLSVGSSTTLGIVTSVKKDEIEVELRRPVAVWSNNIRTVISRQI
AGRWRMIGWGLVEI
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain4rd0 Chain A Residue 502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4rd0 Identification of a second GTP-bound magnesium ion in archaeal initiation factor 2.
Resolution1.713 Å
Binding residue
(original residue number in PDB)		T23 T46
Binding residue
(residue number reindexed from 1)		T22 T45
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) A19 K22 T23 T46 H97
Catalytic site (residue number reindexed from 1) A18 K21 T22 T45 H96
Enzyme Commision number 3.6.5.3: protein-synthesizing GTPase.
Gene Ontology
Molecular Function
GO:0000049 tRNA binding
GO:0003743 translation initiation factor activity
GO:0003746 translation elongation factor activity
GO:0003924 GTPase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
Biological Process
GO:0001731 formation of translation preinitiation complex
GO:0006412 translation
GO:0006413 translational initiation
GO:0006414 translational elongation

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Molecular Function
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Biological Process
External links
PDB RCSB:4rd0, PDBe:4rd0, PDBj:4rd0
PDBsum4rd0
PubMed25690901
UniProtQ980A5|IF2G_SACS2 Translation initiation factor 2 subunit gamma (Gene Name=eif2g)

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