KpKP13 Protein target profile

1-acyl-sn-glycerol-3-phosphate acyltransferase

Accession: KP13_02783

Gene: plsC AHE42648.1 3D evidence: AlphaFold DB model + ColabFold model UniProt A6TE11
Length 220
Pocket druggability (P2Rank · AlphaFold DB model) 0.914
Direct ligand evidence 0 132 total records
Functional annotation 0 EC 4 GO
Target summary

Promising target candidate with multiple supporting evidence streams.

Automated synthesis of the evidence currently loaded. Review the underlying records before prioritizing this protein.

Terms and data sources used on this page

PDB: experimentally determined structures from the Protein Data Bank. These are the strongest structural evidence, but may cover only part of the protein.

AlphaFold DB model: a precomputed predicted structure downloaded from AlphaFold Database/UniProt, not an experiment performed here.

ColabFold model: a predicted structure generated for this workspace; interpret it with coverage and confidence.

pLDDT: confidence score for predicted structures. High values support local geometry; low values mean the region should not drive pocket interpretation.

FPocket / P2Rank: software tools that predict possible ligand-binding pockets on a 3D structure. They are useful screening signals, not experimental validation.

Druggability: a pocket-based estimate of whether a small molecule could bind productively. It does not mean a drug already exists.

PDB ligand: a compound observed in an experimental structure. Direct same-protein records are stronger than homolog-transferred records.

ChEMBL: a public database of measured compound bioactivity. Direct entries are stronger than entries transferred from similar proteins.

ZINC: a purchasable-compound database. Here it marks proposed candidates from chemical similarity, not measured binders.

LigQ / LigQ_2: an internal Target pipeline step that gathers PDB, ChEMBL, and ZINC ligand evidence for each protein.

Off-target: sequence similarity to proteins we prefer not to hit, such as human proteins or beneficial gut microbiome proteins.

DEG: Database of Essential Genes. A match suggests the protein resembles genes known to be essential in other organisms.

Roary / CoreCruncher: pan-genome tools used to decide whether a gene is core across analyzed strains or accessory/strain-specific.

EC / GO: functional annotations: EC describes enzyme reactions; GO describes biological process, molecular function, or cellular component.

KEGG pathway: a curated metabolic route label used here to group reactions imported from the metabolic model.

Chokepoint: a metabolic reaction that is the only producer or consumer of a metabolite in the imported model.

Prioritization evidence

Selectivity, essentiality, structural confidence, conservation, and predicted binding-site evidence.

Off-target risk

Human off-target
Hit
Human identity (%)
30.288 Lower values reduce human off-target concern.
Human E-value
1.15e-31
Gut microbiome similarity
2.9% of screened genomes Lower prevalence suggests narrower overlap with the screened gut microbiome.

Essentiality

Essential (DEG)
Y
DEG identity (%)
88.128 Higher values support similarity to known essential genes.
DEG E-value
4.23e-148 Smaller values mean stronger essential-gene similarity.

Structure confidence

ColabFold pLDDT
88.88 0-100 confidence; >70 supports local structural interpretation.

Binding-site evidence

AlphaFold DB / UniProt model

P2Rank's binding-site probability is the primary druggability signal shown across the app; FPocket's druggability score is shown alongside it for comparison. Both estimate small-molecule pocket quality after applying the curated structure priority — neither is experimental binding evidence. The 3D viewer may show a different loaded structure, so visible pockets can differ.

Druggability (P2Rank) 0.914
Structure A6TE11
Pocket Pocket 1
Druggability (FPocket) 0.728
Structure A6TE11
Pocket Pocket 2
ColabFold model
P2Rank 0.924 · Pocket 1
FPocket 0.789 · Pocket 9
Core conservation Conserved core gene
Roary core
CoreCruncher core
Gut microbiome 137 / 4744 genomes with a hit
Prevalence 2.9%

Sequence

Primary amino-acid sequence viewer.

MFSPRNPKHVATFGHLFGRLSPVFGLKVELRKPADAESYGNAIYIANHQNNYDMVTASNIVQAPTVTVGKKSLLWIPFFGQLYWLTGNLLIDRNNRTKAHGTIAEVVNAFKKRKISFWMFPEGTRSRGRGLLPFKTGAFHAAIAAGVPIIPVCVSNTSNKIKLNRWNNGLVIVEMLPPVDTTQFGKDNVRALATHCRELMAAKIADLDNEVAEREAAGKQ

Functional annotations

Enzyme classification and Gene Ontology terms linked to this protein.

4 GO

Subcellular localization

Localization
CytoplasmicMembrane

Gene Ontology (GO)

4
  • GO:0016020 A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it.
  • GO:0016746 Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
  • GO:0003841 Catalysis of the reaction: acyl-CoA + 1-acyl-sn-glycerol-3-phosphate = CoA + 1,2-diacyl-sn-glycerol-3-phosphate.
  • GO:0008654 The chemical reactions and pathways resulting in the formation of a phospholipid, a lipid containing phosphoric acid as a mono- or diester.

Sequence domains and features

Domain and signature matches imported from InterPro and related databases.

14 records
Show feature table
Start End DB Term Name
1 25 Phobius SIGNAL_PEPTIDE Signal peptide region
10 20 Phobius SIGNAL_PEPTIDE_H_REGION Hydrophobic region of a signal peptide.
25 155 NCBIfam TIGR00530 1-acylglycerol-3-phosphate O-acyltransferase
25 155 InterPro IPR004552 1-acyl-sn-glycerol-3-phosphate acyltransferase
42 157 SMART SM00563 plsc_2
42 157 InterPro IPR002123 Phospholipid/glycerol acyltransferase
4 215 PANTHER PTHR10434 1-ACYL-SN-GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE
21 25 Phobius SIGNAL_PEPTIDE_C_REGION C-terminal region of a signal peptide.
23 197 CDD cd07989 LPLAT_AGPAT-like
35 155 Pfam PF01553 Acyltransferase
35 155 InterPro IPR002123 Phospholipid/glycerol acyltransferase
26 220 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
2 215 SUPERFAMILY SSF69593 Glycerol-3-phosphate (1)-acyltransferase
1 9 Phobius SIGNAL_PEPTIDE_N_REGION N-terminal region of a signal peptide.

3D structure

Selected loaded structure. Experimental PDB entries may cover only a portion of the sequence; AlphaFold DB and ColabFold models typically cover the full protein but remain computational predictions.

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Pocket score High Medium Low
How colors and pocket overlays are used
Uniform protein color marks the displayed model as a single molecular object.
Experimental PDB structures may be colored by chain to distinguish subunits or copies present in the file.
Pocket colors and alpha spheres are evidence overlays for predicted binding cavities; they are not alternative protein chains.
'Alpha spheres' is FPocket's own cavity-shape geometry, imported when available and aligned with the loaded structure.
'Pocket atoms'/'Predicted site atoms' show the pocket's residue atoms instead: P2Rank reports residues rather than alpha spheres, and FPocket falls back to this when alpha-sphere geometry is unavailable or doesn't align.
'No pocket geometry' means neither alpha spheres nor residue-position data could be found for that pocket; the layer just highlights the same residues as 'Nearby residues'.
Pocket details Inspect a specific pocket, or open the full viewer

Binding pockets · P2Rank

Druggability (P2Rank): high ≥ 0.5 · medium 0.2–0.49 · low < 0.2

Pocket 1 P2Rank #1
0.914
Likely same site as FPocket 1 3.0 Å 12 shared residues 86% of smaller site
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Surrounding area
Pocket 2 P2Rank #2
0.259
Likely same site as FPocket 3 5.7 Å 9 shared residues 60% of smaller site
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Surrounding area
Pocket 3 P2Rank #3
0.091
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Surrounding area
Pocket 4 P2Rank #4
0.001
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Surrounding area

Binding pockets · FPocket

Druggability (FPocket): high ≥ 0.7 · medium 0.4–0.69 · low < 0.4

Pocket 1 FPocket #2
0.728
Show in viewer
Surrounding area
Pocket 2 FPocket #1
0.507
Likely same site as P2Rank 1 3.0 Å 12 shared residues 86% of smaller site
Show in viewer
Surrounding area
Pocket 3 FPocket #13
0.382
Likely same site as P2Rank 1 4.4 Å 11 shared residues 100% of smaller site
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Surrounding area
Pocket 4 FPocket #3
0.264
Likely same site as P2Rank 2 5.7 Å 9 shared residues 60% of smaller site
Show in viewer
Surrounding area
All structural evidence 0 experimental · 2 predicted

Structural evidence

0 + 2

Experimental PDB entries plus predicted AlphaFold DB or ColabFold models. Click Switch to display a different loaded structure in the viewer.

Entry Method Resolution Chain Coverage Links Status
AlphaFold DB AF_A6TE11
AlphaFold DB full sequence Viewing
ColabFold KP13_02783
ColabFold full sequence Loaded

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.

132 records
Chemistry signal

Structural and bioactivity evidence are both available for this target.

Direct evidence 0 same-protein records
Transferred evidence 82 records from similar proteins
Structural ligands 1 0 loaded crystals
Measured bioactivity 81 direct and transferred ChEMBL records
Proposed compounds 50 similarity-based ZINC candidates
Best available ligand signal
DD9 PDB via homolog 128.3 Da · LogP 3.76 · TPSA 0.0 Open detail RCSB PDB
CHEMBL34896 ChEMBL via homolog · pchembl 8.22 (~6.0 nM) Detail ChEMBL
CHEMBL5219455 ChEMBL via homolog · pchembl 8.08 (~8.3 nM) Detail ChEMBL
CHEMBL75167 ChEMBL via homolog · pchembl 8.00 (~10.0 nM) Detail ChEMBL
CHEMBL286394 ChEMBL via homolog · pchembl 7.82 (~15.1 nM) Detail ChEMBL

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
DD9 RCSB PDB Q9X219 128.3 Da LogP 3.76 TPSA 0.0 ✓ Ro5 ✓ Clean CCCCCCCCC

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.

Cross-references

External database identifiers for this protein, its structures, ligands, and metabolic reactions.

Chemistry

ChEMBL CHEMBL34896 ChEMBL CHEMBL5219455 ChEMBL CHEMBL75167 ChEMBL CHEMBL286394 ChEMBL CHEMBL35388 ChEMBL CHEMBL35508 ChEMBL CHEMBL5219496 ChEMBL CHEMBL310136 ChEMBL CHEMBL308945 ChEMBL CHEMBL77883 ChEMBL CHEMBL74548 ChEMBL CHEMBL307716 ChEMBL CHEMBL311379 ChEMBL CHEMBL74492 ChEMBL CHEMBL422579 ChEMBL CHEMBL424605 ChEMBL CHEMBL74708 ChEMBL CHEMBL74549 ChEMBL CHEMBL72618 ChEMBL CHEMBL73376 ChEMBL CHEMBL32894 ChEMBL CHEMBL193874 ChEMBL CHEMBL284111 ChEMBL CHEMBL195457 ChEMBL CHEMBL193911 ChEMBL CHEMBL194604 ChEMBL CHEMBL35165 ChEMBL CHEMBL35564 ChEMBL CHEMBL306107 ChEMBL CHEMBL36501 ChEMBL CHEMBL418604 ChEMBL CHEMBL32731 ChEMBL CHEMBL286639 ChEMBL CHEMBL32553 ChEMBL CHEMBL75522 ChEMBL CHEMBL76274 ChEMBL CHEMBL72992 ChEMBL CHEMBL73574 ChEMBL CHEMBL74932 ChEMBL CHEMBL193588 ChEMBL CHEMBL33773 ChEMBL CHEMBL35006 ChEMBL CHEMBL35967 ChEMBL CHEMBL418404 ChEMBL CHEMBL309911 ChEMBL CHEMBL34938 ChEMBL CHEMBL193589 ChEMBL CHEMBL35051 ChEMBL CHEMBL422414 ChEMBL CHEMBL73947 ChEMBL CHEMBL286925 ChEMBL CHEMBL34138 ChEMBL CHEMBL34585 ChEMBL CHEMBL33960 ChEMBL CHEMBL75714 ChEMBL CHEMBL75132 ChEMBL CHEMBL193713 ChEMBL CHEMBL194603 ChEMBL CHEMBL32938 ChEMBL CHEMBL35582 ChEMBL CHEMBL305915 ChEMBL CHEMBL34636 ChEMBL CHEMBL308275 ChEMBL CHEMBL193910 ChEMBL CHEMBL33823 ChEMBL CHEMBL33877 ChEMBL CHEMBL35458 ChEMBL CHEMBL286185 ChEMBL CHEMBL77790 ChEMBL CHEMBL35453 ChEMBL CHEMBL305688 ChEMBL CHEMBL290583 ChEMBL CHEMBL73912 ChEMBL CHEMBL74931 ChEMBL CHEMBL308100 ChEMBL CHEMBL34886 ChEMBL CHEMBL75170 ChEMBL CHEMBL35787 ChEMBL CHEMBL75467 ChEMBL CHEMBL35001 ChEMBL FCN