Protein profile

VK055_1830

glutamine--tRNA ligase

Genome: KpATCC43816

Gene: glnS AIK80443.1 Structure source: AlphaFold + ColabFold UniProt A0A0H3GPY5
Amino acids 555
Annotations 12
Features 37
PDB binders 8
Druggability 0.933

Overview

Basic information about this protein and its source genome.

Accession
VK055_1830
Gene
glnS AIK80443.1
Status
annotated
Amino acids
555
Structure source
AlphaFold + ColabFold

Target profile

Computed evidence for target prioritization.

Human off-target
hit
Human identity (%)
69.697
Human E-value
2.15e-07
Gut microbiome off-target
hit
Essential (DEG)
Y
DEG identity (%)
94.955
DEG E-value
0.0
Localization
Cytoplasmic
ColabFold pLDDT
95.4

Selected Druggability evidence

AlphaFold / UniProt model

Selected Druggability is the FPocket score chosen for ranking using the curated structure priority. The 3D viewer may show a different loaded structure, so its visible pockets can differ.

FPocket 0.933
Structure A0A0H3GPY5
Pocket Pocket 1
P2Rank 0.886
Structure A0A0H3GPY5
Pocket Pocket 1
ColabFold model
FPocket 0.231 · Pocket 2
P2Rank 0.877 · Pocket 1
Core conservation Conserved core gene
Roary core
CoreCruncher core
Gut microbiome 2315 / 4744 genomes with a hit
Normalized 0.488

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 11 GO

Enzyme Commission (EC)

1

Gene Ontology (GO)

11
  • GO:0005524 Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
  • GO:0043039 The chemical reactions and pathways by which the various amino acids become bonded to their corresponding tRNAs. The most common route for synthesis of aminoacyl tRNA is by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA and the alpha carboxylic acid group of an amino acid, usually catalyzed by the cognate aminoacyl-tRNA ligase. A given aminoacyl-tRNA ligase aminoacylates all species of an isoaccepting group of tRNA molecules.
  • GO:0004819 Catalysis of the reaction: ATP + L-glutamine + tRNA(Gln) = AMP + diphosphate + L-glutaminyl-tRNA(Gln).
  • GO:0004812 Catalysis of the formation of aminoacyl-tRNA from ATP, amino acid, and tRNA with the release of diphosphate and AMP.
  • GO:0000166 Binding to a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
  • GO:0006418 The synthesis of aminoacyl tRNA by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA and the alpha carboxylic acid group of an amino acid, to be used in ribosome-mediated polypeptide synthesis.
  • GO:0006412 The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
  • GO:0006425 The process of coupling glutamine to glutaminyl-tRNA, catalyzed by glutaminyl-tRNA synthetase. The glutaminyl-tRNA synthetase is a class-I synthetase. The activated amino acid is transferred to the 2'-OH group of a glutamine-accetping tRNA. The 2'-O-aminoacyl-tRNA will ultimately migrate to the 3' position via transesterification.
  • GO:0005737 The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
  • GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
  • GO:0006424 The process of coupling glutamate to glutamyl-tRNA, catalyzed by glutamyl-tRNA synthetase. The glutamyl-tRNA synthetase is a class-I synthetase. The activated amino acid is transferred to the 2'-OH group of a glutamic acid-accetping tRNA. The 2'-O-aminoacyl-tRNA will ultimately migrate to the 3' position via transesterification.

Sequence Features

Domain/signature hits from InterPro and related databases.

37 records
Show feature table
Start End DB Term Name
1 343 FunFam G3DSA:3.40.50.620:FF:000037 Glutamine--tRNA ligase cytoplasmic
101 209 FunFam G3DSA:3.90.800.10:FF:000001 Glutamine--tRNA ligase
336 463 FunFam G3DSA:2.40.240.10:FF:000001 Glutamine--tRNA ligase
101 209 Gene3D G3DSA:3.90.800.10 -
336 463 Gene3D G3DSA:2.40.240.10 Ribosomal Protein L25; Chain P
336 463 InterPro IPR020056 Ribosomal protein L25/Gln-tRNA synthetase, N-terminal
28 337 Pfam PF00749 tRNA synthetases class I (E and Q), catalytic domain
28 337 InterPro IPR020058 Glutamyl/glutaminyl-tRNA synthetase, class Ib, catalytic domain
464 548 FunFam G3DSA:2.40.240.10:FF:000003 Glutamine--tRNA ligase
28 552 NCBIfam TIGR00440 glutamine--tRNA ligase
28 552 InterPro IPR004514 Glutamine-tRNA synthetase
464 548 Gene3D G3DSA:2.40.240.10 Ribosomal Protein L25; Chain P
464 548 InterPro IPR020056 Ribosomal protein L25/Gln-tRNA synthetase, N-terminal
340 529 Pfam PF03950 tRNA synthetases class I (E and Q), anti-codon binding domain
340 529 InterPro IPR020059 Glutamyl/glutaminyl-tRNA synthetase, class Ib, anti-codon binding domain
60 73 PRINTS PR00987 Glutamyl-tRNA synthetase signature
60 73 InterPro IPR000924 Glutamyl/glutaminyl-tRNA synthetase
45 56 PRINTS PR00987 Glutamyl-tRNA synthetase signature
45 56 InterPro IPR000924 Glutamyl/glutaminyl-tRNA synthetase
31 43 PRINTS PR00987 Glutamyl-tRNA synthetase signature
31 43 InterPro IPR000924 Glutamyl/glutaminyl-tRNA synthetase
210 220 PRINTS PR00987 Glutamyl-tRNA synthetase signature
210 220 InterPro IPR000924 Glutamyl/glutaminyl-tRNA synthetase
340 548 SUPERFAMILY SSF50715 Ribosomal protein L25-like
340 548 InterPro IPR011035 Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily
261 338 FunFam G3DSA:1.10.1160.10:FF:000001 Glutamine--tRNA ligase
10 337 SUPERFAMILY SSF52374 Nucleotidylyl transferase
27 342 CDD cd00807 GlnRS_core
34 45 ProSitePatterns PS00178 Aminoacyl-transfer RNA synthetases class-I signature.
34 45 InterPro IPR001412 Aminoacyl-tRNA synthetase, class I, conserved site
261 335 Gene3D G3DSA:1.10.1160.10 -
261 335 InterPro IPR020061 Glutamine-tRNA ligase, alpha-bundle domain superfamily
23 549 PANTHER PTHR43097 GLUTAMINE-TRNA LIGASE
1 550 Hamap MF_00126 Glutamine--tRNA ligase [glnS].
1 550 InterPro IPR022861 Glutamine-tRNA ligase, bacterial
30 248 Gene3D G3DSA:3.40.50.620 HUPs
30 248 InterPro IPR014729 Rossmann-like alpha/beta/alpha sandwich fold

3D Structure

Selected loaded structure. Experimental PDB entries may cover only a portion of the sequence; predicted models typically cover the full protein.

3D visualization script Full viewer

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Structural evidence

0 + 2

Experimental PDB entries and predicted models. Click Switch to display a different structure in the viewer.

Entry Method Resolution Chain Coverage Links Status
AlphaFold AF_A0A0H3GPY5
AlphaFold full sequence Viewing
ColabFold VK055_1830
ColabFold full sequence Loaded
Pocket details FPocket · P2Rank — toggle visibility and zoom from here, or open full viewer

Pockets (FPOCKET)

Showing top-ranked FPocket candidates by druggability. Druggability is color-coded: high (0.7 or higher), medium (0.4 to 0.69), low (below 0.4).

FPOCKET Sticks Spheres Surfaces Druggability Labels Zoom Positions
1 0.933
5 0.398
2 0.366

Pockets (P2RANK)

Showing top-ranked P2Rank candidates by probability. Probability is color-coded per P2Rank calibration: high (≥ 0.5), medium (0.2 – 0.49), low (< 0.2).

P2RANK Sticks Spheres Surfaces Score Probability Labels Zoom Positions
1 17.79 0.808
2 3.76 0.145
3 2.84 0.089
4 2.57 0.073
5 1.46 0.02

Ligand evidence

Ligands grouped by evidence source. PDB ligands keep the source crystal visible, and loaded crystals can be opened directly in the structure viewer.

62 records

Structural evidence inferred from similar proteins. The source crystal indicates where the ligand was observed; the UniProt column identifies the homologous protein carrying that ligand.

Show only:
Ligand Source crystal UniProt (homolog) MW · LogP · TPSA Lipinski PAINS SMILES
8X1 P07814 429.4 Da LogP -3.23 TPSA 203.8 1 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
91Y P07814 364.4 Da LogP 2.89 TPSA 84.0 ✓ Ro5 ✓ Clean c1ccc2c(c1)CC(C2)NC(=O)c3c(nccn3)NC(=O)C4CCCCC4
ADN P07814 267.2 Da LogP -1.98 TPSA 139.5 ✓ Ro5 ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
ANP P07814 506.2 Da LogP -2.06 TPSA 281.9 3 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
DTT P13188 154.3 Da LogP -0.43 TPSA 40.5 ✓ Ro5 ✓ Clean C([C@@H]([C@H](CS)O)O)S
GSU P00962 475.4 Da LogP -3.40 TPSA 255.1 2 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
HFG P07814 414.7 Da LogP 1.88 TPSA 84.2 ✓ Ro5 ✓ Clean c1c2c(cc(c1Cl)Br)N=CN(C2=O)CC(=O)C[C@@H]3[C@H](…
QSI P00962 474.5 Da LogP -4.00 TPSA 260.9 2 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…

PDB and ChEMBL records on this protein are shown in full. ChEMBL records from similar proteins are capped at the top 100 per protein (by pchembl) and ZINC at the top 50 (Tanimoto ≥ 0.5). ADME columns are descriptor-based screening flags, not experimental toxicity results.