Structure of PDB 8dzo Chain A

Receptor sequence
>8dzoA (length=160) Species: 9606 (Homo sapiens) [Search protein sequence]
SVLQFLGLYKKSGKLVFLGLDNAGKQTLLHMLKTSEELTIAGMTFTTFDL
GGARRVWKNYLPAINGIVFLVDCADHSRLVESKVELNALMTDETISNVPI
LILGNKIDRTDAISEEKLREIFGLYGQTTGKARPMEVFMCSVLKRQGYGE
GFRWLSQYID
3D structure
PDB8dzo The alarmone ppGpp selectively inhibits the isoform A of the human small GTPase Sar1.
ChainA
Resolution1.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.6.5.2: small monomeric GTPase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MG A D34 D75 D21 D49
BS02 G4P A D34 N35 G37 K38 Q39 T40 N134 K135 D137 S179 L181 D21 N22 G24 K25 Q26 T27 N105 K106 D108 S141 L143
Gene Ontology
Molecular Function
GO:0003924 GTPase activity
GO:0003925 G protein activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0140785 amino acid sensor activity
Biological Process
GO:0003400 regulation of COPII vesicle coating
GO:0006886 intracellular protein transport
GO:0006888 endoplasmic reticulum to Golgi vesicle-mediated transport
GO:0015031 protein transport
GO:0016050 vesicle organization
GO:0016192 vesicle-mediated transport
GO:0042953 lipoprotein transport
GO:0048208 COPII vesicle coating
GO:0061024 membrane organization
GO:0070863 positive regulation of protein exit from endoplasmic reticulum
GO:0090110 COPII-coated vesicle cargo loading
GO:1903432 regulation of TORC1 signaling
GO:1904262 negative regulation of TORC1 signaling
GO:1990253 cellular response to leucine starvation
Cellular Component
GO:0005737 cytoplasm
GO:0005764 lysosome
GO:0005765 lysosomal membrane
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0005794 Golgi apparatus
GO:0005829 cytosol
GO:0016020 membrane
GO:0030127 COPII vesicle coat
GO:0032580 Golgi cisterna membrane
GO:0070971 endoplasmic reticulum exit site

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8dzo, PDBe:8dzo, PDBj:8dzo
PDBsum8dzo
PubMed36369712
UniProtQ9NR31|SAR1A_HUMAN Small COPII coat GTPase SAR1A (Gene Name=SAR1A)

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