Promising target candidate with multiple supporting evidence streams.
Automated synthesis of the evidence currently loaded. Review the underlying records before prioritizing this protein.
Main supporting evidence
Risks to review
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
- No hit
- Gut microbiome similarity
- 4.9% of screened genomes Lower prevalence suggests narrower overlap with the screened gut microbiome.
Essentiality
- Essential (DEG)
- Y
- DEG identity (%)
- 55.707 Higher values support similarity to known essential genes.
- DEG E-value
- 3.57e-153 Smaller values mean stronger essential-gene similarity.
Localization
- Localization
- Cytoplasmic
Structure confidence
- ColabFold pLDDT
- 97.26 0-100 confidence; >70 supports local structural interpretation.
Binding-site evidence
AlphaFold DB / UniProt modelThe 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.
Cross-references
External database identifiers for this protein, its structures, ligands, and metabolic reactions.
Sequence
Chemistry
Sequence
Primary amino-acid sequence viewer.
MKQVGIVGWRGMVGSVLLQRMIEENDFDDISAHFFSTSSAGAAGPVIKGKSDKLKDANSLSALAEMDIIITCQGGDYTKAIYPALTNSGWQGYWIDAASALRMDDNACIILDPVNRDNIDRAVKAGMKLFVGGNCSITLSLMGLAGLIKADLIEWMSVMTYQSASGAGAKQVREFIAQSAYISQHLSADELTASGSVLPLVNKVSELINSAGMPVENFGVPLMGSIIPWIDSDLGDGNSREEWKGEAETNKILGLASGTIPVNGLCIRVGVIRCHSAAITLKLKREVSEAEFAELVTHSHPWVNYIPNNKQESVSKLTPAAISGSLQVGIGRYKKMSLNNEPVYSVLTVGDQLLWGAAEPLRRMLNILLGKI
Functional annotations
Enzyme classification and Gene Ontology terms linked to this protein.
Enzyme Commission (EC)
1Gene Ontology (GO)
12- GO:0009089 OBSOLETE. The chemical reactions and pathways resulting in the formation of lysine, via the intermediate diaminopimelate.
- GO:0009086 OBSOLETE. The chemical reactions and pathways resulting in the de novo formation of L-methionine (2-amino-4-(methylthio)butanoic acid), a sulfur-containing, essential amino acid found in peptide linkage in proteins.
- GO:0009097 OBSOLETE. The chemical reactions and pathways resulting in the formation of isoleucine, (2R*,3R*)-2-amino-3-methylpentanoic acid.
- GO:0009088 The chemical reactions and pathways resulting in the formation of L-threonine (2-amino-3-hydroxybutyric acid), a polar, uncharged, essential amino acid found in peptide linkage in proteins.
- GO:0006520 The chemical reactions and pathways involving amino acids, carboxylic acids containing one or more amino groups.
- GO:0004073 Catalysis of the reaction: L-aspartate 4-semialdehyde + NADP+ + phosphate = 4-phospho-L-aspartate + H+ + NADPH.
- GO:0051287 Binding to nicotinamide adenine dinucleotide, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NAD+, or the reduced form, NADH.
- GO:0016620 Catalysis of an oxidation-reduction (redox) reaction in which an aldehyde or ketone (oxo) group acts as a hydrogen or electron donor and reduces NAD or NADP.
- GO:0046983 The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
- GO:0050661 Binding to nicotinamide-adenine dinucleotide phosphate, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NADP+, or the reduced form, NADPH.
- GO:0008652 The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
- GO:0019877 OBSOLETE. The chemical reactions and pathways resulting in the formation of diaminopimelate, both as an intermediate in lysine biosynthesis and as a component (as meso-diaminopimelate) of the peptidoglycan of Gram-negative bacterial cell walls.
Sequence domains and features
Domain and signature matches imported from InterPro and related databases.
Show feature table
| Start | End | DB | Term | Name |
|---|---|---|---|---|
| 136 | 353 | Gene3D | G3DSA:3.30.360.10 | Dihydrodipicolinate Reductase; domain 2 |
| 2 | 369 | NCBIfam | TIGR01745 | aspartate-semialdehyde dehydrogenase |
| 2 | 369 | InterPro | IPR011534 | Aspartate-semialdehyde dehydrogenase, gamma-type |
| 1 | 147 | SUPERFAMILY | SSF51735 | NAD(P)-binding Rossmann-fold domains |
| 1 | 147 | InterPro | IPR036291 | NAD(P)-binding domain superfamily |
| 3 | 122 | SMART | SM00859 | Semialdhyde_dh_3 |
| 3 | 122 | InterPro | IPR000534 | Semialdehyde dehydrogenase, NAD-binding |
| 144 | 355 | Pfam | PF02774 | Semialdehyde dehydrogenase, dimerisation domain |
| 144 | 355 | InterPro | IPR012280 | Semialdehyde dehydrogenase, dimerisation domain |
| 262 | 276 | ProSitePatterns | PS01103 | Aspartate-semialdehyde dehydrogenase signature. |
| 262 | 276 | InterPro | IPR000319 | Aspartate-semialdehyde dehydrogenase, conserved site |
| 134 | 356 | SUPERFAMILY | SSF55347 | Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain |
| 1 | 372 | PIRSF | PIRSF000148 | ASA_dh |
| 3 | 121 | Pfam | PF01118 | Semialdehyde dehydrogenase, NAD binding domain |
| 3 | 121 | InterPro | IPR000534 | Semialdehyde dehydrogenase, NAD-binding |
| 4 | 358 | Gene3D | G3DSA:3.40.50.720 | - |
| 2 | 369 | PANTHER | PTHR46278 | DEHYDROGENASE, PUTATIVE-RELATED |
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.
How colors and pocket overlays are used
Pocket details Inspect a specific pocket, or open the full viewer
- Method
- -
- Score
- -
- Visible layer
- -
- Residues
- -
- Pocket properties
- -
Selecting a pocket opens its details and centers the viewer without clearing other active layers. Use Focus this pocket when you want to hide the rest; use Surface for the wider residue environment.
Binding pockets · FPocket
Druggability: high ≥ 0.7 · medium 0.4–0.69 · low < 0.4
Binding pockets · P2Rank
Probability: high ≥ 0.5 · medium 0.2–0.49 · low < 0.2
Residue sets
Binding pockets · FPocket
Druggability: high ≥ 0.7 · medium 0.4–0.69 · low < 0.4
Binding pockets · P2Rank
Probability: high ≥ 0.5 · medium 0.2–0.49 · low < 0.2
All structural evidence
Structural evidence
0 + 2Experimental 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_A0A0H3GTQ2
|
AlphaFold DB | — | — | full sequence | — | Viewing |
|
ColabFold
KP13_05503
|
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.
Structural and bioactivity evidence are both available for this target.
Highest-confidence structural evidence: ligands co-crystallized with this exact protein. If the source PDB is loaded in Target, use Open crystal to inspect it in the structure viewer.
No PDB structure with a co-crystallized ligand found for this exact protein.
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.
| Ligand | Source crystal | UniProt (homolog) | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|---|
| 4NO RCSB PDB | Q9KQG2 | 247.1 Da LogP 0.10 TPSA 138.0 | ✓ Ro5 | ✓ Clean |
c1cc(c(cc1[N+](=O)[O-])P(=O)(O)O)C(=O)O
|
|
| CAC RCSB PDB | P44801 | 137.0 Da LogP -0.52 TPSA 40.1 | ✓ Ro5 | ✓ Clean |
C[As](=O)(C)[O-]
|
|
| HSE RCSB PDB | P44801 | 119.1 Da LogP -1.22 TPSA 83.5 | ✓ Ro5 | ✓ Clean |
C(CO)[C@@H](C(=O)O)N
|
|
| PEJ RCSB PDB | P44801 | 190.9 Da LogP -7.75 TPSA 92.2 | ✓ Ro5 | ✓ Clean |
[O-]I(=O)(=O)=O
|
Experimental bioactivity from ChEMBL measured directly on this protein. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
No ChEMBL bioactivity data found for this exact protein.
Bioactivity inferred from similar proteins in ChEMBL. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
| Ligand | UniProt (homolog) | pchembl | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|---|
| CHEMBL457665 ChEMBL | O25801 | 6.75 ~177.8 nM | 201.2 Da LogP -1.07 TPSA 117.7 | ✓ Ro5 | ✓ Clean |
N[C@@H](CSS(=O)(=O)O)C(=O)O
|
Proposed virtual-screening candidates from ZINC. Score = Tanimoto similarity to a known binder (0–1; higher = more similar).
| Ligand | Tanimoto | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|
| ZINC1870296 ZINC | 1.000 | 247.1 Da LogP 0.10 TPSA 138.0 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1P(=O)(O)O
|
| ZINC1870301 ZINC | 0.758 | 247.1 Da LogP 0.10 TPSA 138.0 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1P(=O)(O)O
|
| ZINC157056 ZINC | 0.656 | 211.1 Da LogP 0.99 TPSA 117.7 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1C(=O)O
|
| ZINC1556249 ZINC | 0.636 | 332.2 Da LogP 2.57 TPSA 160.9 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1-c1cc([N+](=O)[O-])…
|
| ZINC1764711 ZINC | 0.618 | 212.1 Da LogP 1.20 TPSA 123.6 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
|
| ZINC1757911 ZINC | 0.600 | 246.0 Da LogP 2.06 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1Br
|
| ZINC1870271 ZINC | 0.600 | 282.0 Da LogP 1.16 TPSA 100.7 | ✓ Ro5 | ✓ Clean |
O=[N+]([O-])c1ccc(Br)c(P(=O)(O)O)c1
|
| ZINC1870306 ZINC | 0.600 | 329.0 Da LogP 1.00 TPSA 100.7 | ✓ Ro5 | ✓ Clean |
O=[N+]([O-])c1ccc(I)c(P(=O)(O)O)c1
|
| ZINC199208276 ZINC | 0.600 | 217.1 Da LogP 0.71 TPSA 100.7 | ✓ Ro5 | ✓ Clean |
Cc1ccc([N+](=O)[O-])cc1P(=O)(O)O
|
| ZINC32336 ZINC | 0.600 | 201.6 Da LogP 1.95 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1Cl
|
| ZINC5427620 ZINC | 0.600 | 293.0 Da LogP 1.90 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1I
|
| ZINC1717037 ZINC | 0.588 | 332.2 Da LogP 2.57 TPSA 160.9 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1-c1ccc([N+](=O)[O-]…
|
| ZINC1870299 ZINC | 0.583 | 247.1 Da LogP 0.10 TPSA 138.0 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cccc(P(=O)(O)O)c1[N+](=O)[O-]
|
| ZINC4290726 ZINC | 0.583 | 225.2 Da LogP 0.92 TPSA 117.7 | ✓ Ro5 | ✓ Clean |
O=C(O)Cc1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC156878 ZINC | 0.571 | 201.6 Da LogP 1.95 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1Cl
|
| ZINC4404106 ZINC | 0.571 | 212.1 Da LogP 1.20 TPSA 123.6 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1[N+](=O)[O-]
|
| ZINC19801483 ZINC | 0.568 | 223.2 Da LogP 2.59 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
CC(C)(C)c1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC2525761 ZINC | 0.568 | 235.1 Da LogP 2.31 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1C(F)(F)F
|
| ZINC256243285 ZINC | 0.568 | 311.0 Da LogP 1.24 TPSA 97.5 | ✓ Ro5 | ✓ Clean |
O=[IH2]c1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC1870291 ZINC | 0.556 | 217.1 Da LogP 0.71 TPSA 100.7 | ✓ Ro5 | ✓ Clean |
Cc1cc([N+](=O)[O-])ccc1P(=O)(O)O
|
| ZINC2559907 ZINC | 0.556 | 293.0 Da LogP 1.90 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1I
|
| ZINC56845 ZINC | 0.556 | 246.0 Da LogP 2.06 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1Br
|
| ZINC9592349 ZINC | 0.556 | 287.2 Da LogP 2.66 TPSA 117.7 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc(-c2ccc([N+](=O)[O-])cc2)cc1C(=O)O
|
| ZINC1587866 ZINC | 0.553 | 247.2 Da LogP 0.54 TPSA 134.8 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1S(=O)(=O)O
|
| ZINC1870298 ZINC | 0.553 | 247.1 Da LogP 0.10 TPSA 138.0 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc(P(=O)(O)O)cc1[N+](=O)[O-]
|
| ZINC39151303 ZINC | 0.553 | 243.2 Da LogP 2.96 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1-c1ccccc1
|
| ZINC59910411 ZINC | 0.552 | 217.2 Da LogP -1.13 TPSA 126.9 | ✓ Ro5 | ✓ Clean |
N[C@@H](CSOS(=O)(=O)O)C(=O)O
|
| ZINC19737412 ZINC | 0.550 | 234.2 Da LogP 0.87 TPSA 111.2 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1-n1cnnc1
|
| ZINC2924258 ZINC | 0.550 | 494.4 Da LogP 3.40 TPSA 219.1 | ✓ Ro5 | ✓ Clean |
O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)O)c1ccc(C(=O)Nc…
|
| ZINC5513707 ZINC | 0.550 | 331.2 Da LogP 2.45 TPSA 152.7 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1C(=O)Nc1ccc([N+](=O…
|
| ZINC165626269 ZINC | 0.548 | 326.1 Da LogP -1.31 TPSA 189.7 | 1 viol. | ✓ Clean |
O=C(O)c1cc(P(=O)(O)O)c(C(=O)O)cc1P(=O)(O)O
|
| ZINC2523035 ZINC | 0.541 | 225.2 Da LogP 0.92 TPSA 117.7 | ✓ Ro5 | ✓ Clean |
O=C(O)Cc1ccc([N+](=O)[O-])cc1C(=O)O
|
| ZINC146578839 ZINC | 0.538 | 246.2 Da LogP -0.06 TPSA 140.6 | ✓ Ro5 | ✓ Clean |
NS(=O)(=O)c1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC1621825 ZINC | 0.538 | 224.2 Da LogP 1.25 TPSA 109.5 | ✓ Ro5 | ✓ Clean |
CC(=O)Nc1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC39426455 ZINC | 0.538 | 225.2 Da LogP 1.08 TPSA 106.7 | ✓ Ro5 | ✓ Clean |
COC(=O)c1ccc([N+](=O)[O-])cc1C(=O)O
|
| ZINC4293805 ZINC | 0.538 | 271.2 Da LogP 2.52 TPSA 97.5 | ✓ Ro5 | ✓ Clean |
O=C(O)c1ccc([N+](=O)[O-])cc1C(=O)c1ccccc1
|
| ZINC5131766 ZINC | 0.538 | 224.3 Da LogP -1.26 TPSA 92.4 | ✓ Ro5 | ✓ Clean |
N[C@@H](CS)C(=O)N[C@@H](CS)C(=O)O
|
| ZINC2840030 ZINC | 0.537 | 331.2 Da LogP 2.45 TPSA 152.7 | ✓ Ro5 | ✓ Clean |
O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)O)c1ccc([N+](=O…
|
| ZINC285180 ZINC | 0.537 | 286.2 Da LogP 2.55 TPSA 109.5 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1C(=O)Nc1ccccc1
|
| ZINC9592202 ZINC | 0.526 | 288.2 Da LogP 2.87 TPSA 123.6 | ✓ Ro5 | ✓ Clean |
O=C(O)c1cc([N+](=O)[O-])ccc1-c1ccc([N+](=O)[O-]…
|
| ZINC19869585 ZINC | 0.525 | 255.3 Da LogP 3.18 TPSA 80.4 | ✓ Ro5 | ✓ Clean |
CC(C)(C)Sc1ccc([N+](=O)[O-])cc1C(=O)O
|
| ZINC2159899 ZINC | 0.525 | 210.1 Da LogP 0.86 TPSA 109.5 | ✓ Ro5 | ✓ Clean |
O=CNc1cc([N+](=O)[O-])ccc1C(=O)O
|
| ZINC1730666 ZINC | 0.524 | 208.2 Da LogP -1.46 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@@H](CSC[C@H](N)C(=O)O)C(=O)O
|
| ZINC1730667 ZINC | 0.524 | 208.2 Da LogP -1.46 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@H](CSC[C@H](N)C(=O)O)C(=O)O
|
| ZINC1730669 ZINC | 0.524 | 208.2 Da LogP -1.46 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@H](CSC[C@@H](N)C(=O)O)C(=O)O
|
| ZINC235386 ZINC | 0.524 | 286.2 Da LogP 2.55 TPSA 109.5 | ✓ Ro5 | ✓ Clean |
O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)O)c1ccccc1
|
| ZINC3055005 ZINC | 0.524 | 204.2 Da LogP -0.63 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@@H](CCCC[C@H](N)C(=O)O)C(=O)O
|
| ZINC3055007 ZINC | 0.524 | 204.2 Da LogP -0.63 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@@H](CCCC[C@@H](N)C(=O)O)C(=O)O
|
| ZINC3055010 ZINC | 0.524 | 204.2 Da LogP -0.63 TPSA 126.6 | ✓ Ro5 | ✓ Clean |
N[C@H](CCCC[C@@H](N)C(=O)O)C(=O)O
|
| ZINC68575534 ZINC | 0.524 | 224.2 Da LogP 2.11 TPSA 92.5 | ✓ Ro5 | ✓ Clean |
CCCNc1cc([N+](=O)[O-])ccc1C(=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.