Protein target profile

KP13_03449

putative oligopeptide/dipeptide ABC transporter

Genome: KpKP13 Gene: AHE45825.1 3D evidence: AlphaFold DB model + ColabFold model UniProt A0A2H2WRY9
Length 345
Pocket druggability 0.33
Direct ligand evidence 0 56 total records
Functional annotation 1 EC 6 GO
Target summary

Target candidate with partial support; inspect missing evidence before prioritizing.

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 (%)
52.632 Lower values reduce human off-target concern.
Human E-value
9.67e-06
Gut microbiome similarity
2.7% of screened genomes Lower prevalence suggests narrower overlap with the screened gut microbiome.

Essentiality

Essential (DEG)
Y
DEG identity (%)
46.226 Higher values support similarity to known essential genes.
DEG E-value
3.79e-94 Smaller values mean stronger essential-gene similarity.

Localization

Localization
CytoplasmicMembrane

Structure confidence

ColabFold pLDDT
88.93 0-100 confidence; >70 supports local structural interpretation.

Binding-site evidence

AlphaFold DB / UniProt model

The selected pocket score is the FPocket value used for ranking after applying the curated structure priority. It estimates small-molecule pocket quality; it is not experimental binding evidence. The 3D viewer may show a different loaded structure, so visible pockets can differ.

FPocket 0.33
Structure A0A2H2WRY9
Pocket Pocket 18
P2Rank 0.291
Structure A0A2H2WRY9
Pocket Pocket 1
ColabFold model
FPocket 0.715 · Pocket 1
P2Rank 0.324 · Pocket 1
Core conservation Accessory gene
Roary accessory
CoreCruncher accessory
Gut microbiome 127 / 4744 genomes with a hit
Prevalence 2.7%

Cross-references

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

Sequence

Primary amino-acid sequence viewer.

MQPFINIDLGGPAQPLLKVNHLLKYFRGGKGREVVQAVDDISFTVMKGETLGVVGESGCGKSTTARLLMQLLTQDSGELIFDGQGVGSSRLPLKAYRRQVQMVFQDSYASLNPRLTMEESIAFGQRVHGVSAREASEYARYLLAHVGLEPARFADRYPHALSGGQRQRVNIARALAMKPRLVILDEAVSALDKSVEAQVLQLLQELKRTLELTYVFISHDLHVVRWLSDRILVMYLGEVVEIGPAEQLFTASAHPYTRALLSSMPSMDPENRTLTSPLSGDPPSPIAPPSGCRFHTRCPHAKAVCAEVKPQLEAVGEGHQSACLMAQPASPWHQSIPLKEVSHVG

Functional annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 6 GO

Enzyme Commission (EC)

1

Gene Ontology (GO)

6
  • GO:0005524 Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
  • GO:0016887 Catalysis of the reaction: ATP + H2O = ADP + H+ phosphate. ATP hydrolysis is used in some reactions as an energy source, for example to catalyze a reaction or drive transport against a concentration gradient.
  • GO:0015833 The directed movement of peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
  • 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:0005886 The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
  • GO:0055085 The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other.

Sequence domains and features

Domain and signature matches imported from InterPro and related databases.

21 records
Show feature table
Start End DB Term Name
238 324 NCBIfam TIGR01727 oligopeptide/dipeptide ABC transporter, ATP-binding protein, C-terminal domain
238 324 InterPro IPR013563 Oligopeptide/dipeptide ABC transporter, C-terminal
240 305 Pfam PF08352 Oligopeptide/dipeptide transporter, C-terminal region
240 305 InterPro IPR013563 Oligopeptide/dipeptide ABC transporter, C-terminal
13 331 FunFam G3DSA:3.40.50.300:FF:000016 Oligopeptide ABC transporter ATP-binding component
161 175 ProSitePatterns PS00211 ABC transporters family signature.
161 175 InterPro IPR017871 ABC transporter-like, conserved site
16 243 CDD cd03257 ABC_NikE_OppD_transporters
13 323 PANTHER PTHR43776 TRANSPORT ATP-BINDING PROTEIN
262 287 MobiDBLite mobidb-lite consensus disorder prediction
17 261 ProSiteProfiles PS50893 ATP-binding cassette, ABC transporter-type domain profile.
17 261 InterPro IPR003439 ABC transporter-like, ATP-binding domain
14 335 Gene3D G3DSA:3.40.50.300 -
14 335 InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
39 188 Pfam PF00005 ABC transporter
39 188 InterPro IPR003439 ABC transporter-like, ATP-binding domain
262 280 MobiDBLite mobidb-lite consensus disorder prediction
47 238 SMART SM00382 AAA_5
47 238 InterPro IPR003593 AAA+ ATPase domain
16 260 SUPERFAMILY SSF52540 P-loop containing nucleoside triphosphate hydrolases
16 260 InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase

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 · FPocket

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

Site 1 FPocket #18
0.33
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Surrounding area
Site 2 FPocket #8
0.247
Likely same site as P2Rank 5 6.7 Å 4 shared residues 80% of smaller site
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Surrounding area

Binding pockets · P2Rank

Probability: high ≥ 0.5 · medium 0.2–0.49 · low < 0.2

Site 1 P2Rank #1
0.291
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Surrounding area
Site 2 P2Rank #2
0.261
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Surrounding area
Site 3 P2Rank #3
0.219
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Surrounding area
Site 4 P2Rank #4
0.029
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Surrounding area
Site 5 P2Rank #5
0.005
Likely same site as FPocket 8 6.7 Å 4 shared residues 80% of smaller site
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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_A0A2H2WRY9
AlphaFold DB full sequence Viewing
ColabFold KP13_03449
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.

56 records
Chemistry signal

Structural ligand evidence is available for this target.

Direct evidence 0 same-protein records
Transferred evidence 6 records from similar proteins
Structural ligands 6 0 loaded crystals
Measured bioactivity 0 direct and transferred ChEMBL records
Proposed compounds 50 similarity-based ZINC candidates
Best available ligand signal
2BA PDB via homolog 658.4 Da · LogP -1.63 · TPSA 309.7 Open detail RCSB PDB
ACP PDB via homolog Detail RCSB PDB
AGS PDB via homolog Detail RCSB PDB
ANP PDB via homolog Detail RCSB PDB
AT4 PDB via homolog Detail RCSB PDB

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
2BA RCSB PDB Q9KIF7 658.4 Da LogP -1.63 TPSA 309.7 3 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@H]4[C@H](O3)C…
ACP RCSB PDB O68106 505.2 Da LogP -1.52 TPSA 269.9 3 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
AGS RCSB PDB D0VWX4 523.2 Da LogP -1.51 TPSA 262.1 3 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
ANP RCSB PDB D0VWX4 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)…
AT4 RCSB PDB D0VWX4 443.3 Da LogP -0.81 TPSA 212.4 2 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
BET RCSB PDB Q9KIF7 118.2 Da LogP -0.22 TPSA 37.3 ✓ Ro5 ✓ Clean C[N+](C)(C)CC(=O)O

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.