Protein profile

KP13_05661

L-asparaginase 1

Genome: KpKP13

Gene: ansA AHE45067.1 Structure source: AlphaFold + ColabFold UniProt A0A0H3GN50

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Amino acids 339

Annotations 5

Features 36

PDB binders 3

Druggability 0.178

Overview

Basic information about this protein and its source genome.

Accession: KP13_05661
Assembly: Klebsiella pneumoniae subsp. pneumoniae Kp13, complete sequence
Gene: ansA AHE45067.1
Status: annotated
Amino acids: 339
Structure source: AlphaFold + ColabFold

3.5.1.1

GO:0006520 The chemical reactions and pathways involving amino acids, carboxylic acids containing one or more amino groups. GO:0004067 Catalysis of the reaction: L-asparagine + H2O = L-aspartate + NH4+. GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. GO:0009066 OBSOLETE. The chemical reactions and pathways involving amino acids of the aspartate family, comprising asparagine, aspartate, lysine, methionine and threonine.

Target profile

Computed evidence for target prioritization.

Human off-target: hit
Human identity (%): 58.586
Human E-value: 6.13e-34
Gut microbiome off-target: hit
Essential (DEG): N
DEG identity (%): 0.0
Localization: Cytoplasmic
ColabFold pLDDT: 95.64

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 0.178

Structure A0A0H3GN50

Pocket Pocket 6

P2Rank 0.172

Structure A0A0H3GN50

Pocket Pocket 1

ColabFold model

FPocket 0.245 · Pocket 5

P2Rank 0.234 · Pocket 1

Core conservation Conserved core gene

Roary core

CoreCruncher core

Gut microbiome 123 / 4744 genomes with a hit

Normalized 0.026

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 4 GO

Enzyme Commission (EC)

3.5.1.1

Gene Ontology (GO)

GO:0006520 The chemical reactions and pathways involving amino acids, carboxylic acids containing one or more amino groups.
GO:0004067 Catalysis of the reaction: L-asparagine + H2O = L-aspartate + NH4+.
GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
GO:0009066 OBSOLETE. The chemical reactions and pathways involving amino acids of the aspartate family, comprising asparagine, aspartate, lysine, methionine and threonine.

Sequence Features

Domain/signature hits from InterPro and related databases.

36 records

Show feature table

Start	End	DB	Term	Name
1	208	Gene3D	G3DSA:3.40.50.1170	-
1	208	InterPro	IPR037152	L-asparaginase, N-terminal domain superfamily
84	94	ProSitePatterns	PS00917	Asparaginase / glutaminase active site signature 2.
84	94	InterPro	IPR027475	Asparaginase/glutaminase, active site 2
213	326	Pfam	PF17763	Glutaminase/Asparaginase C-terminal domain
213	326	InterPro	IPR040919	Asparaginase/glutaminase, C-terminal
209	336	Gene3D	G3DSA:3.40.50.40	-
209	336	InterPro	IPR027473	L-asparaginase, C-terminal
1	334	PIRSF	PIRSF001220	L-ASNase_gatD
1	334	InterPro	IPR006034	Asparaginase/glutaminase-like
3	335	SUPERFAMILY	SSF53774	Glutaminase/Asparaginase
3	335	InterPro	IPR036152	Asparaginase/glutaminase-like superfamily
1	208	FunFam	G3DSA:3.40.50.1170:FF:000002	L-asparaginase 1
8	16	ProSitePatterns	PS00144	Asparaginase / glutaminase active site signature 1.
8	16	InterPro	IPR020827	Asparaginase/glutaminase, active site 1
4	329	ProSiteProfiles	PS51732	Asparaginase / glutaminase domain profile.
4	329	InterPro	IPR006034	Asparaginase/glutaminase-like
2	332	PIRSF	PIRSF500176	L_ASNase
260	278	PRINTS	PR00139	Asparaginase/glutaminase family signature
260	278	InterPro	IPR006034	Asparaginase/glutaminase-like
83	101	PRINTS	PR00139	Asparaginase/glutaminase family signature
83	101	InterPro	IPR006034	Asparaginase/glutaminase-like
6	17	PRINTS	PR00139	Asparaginase/glutaminase family signature
6	17	InterPro	IPR006034	Asparaginase/glutaminase-like
2	336	SFLD	SFLDS00057	Glutaminase/Asparaginase
2	337	PANTHER	PTHR11707	L-ASPARAGINASE
2	337	InterPro	IPR006034	Asparaginase/glutaminase-like
6	188	Pfam	PF00710	Asparaginase, N-terminal
6	188	InterPro	IPR027474	L-asparaginase, N-terminal
4	323	CDD	cd08963	L-asparaginase_I
4	323	InterPro	IPR041725	Type I (cytosolic) L-asparaginase
210	336	FunFam	G3DSA:3.40.50.40:FF:000001	L-asparaginase 1
3	335	NCBIfam	TIGR00519	type I asparaginase
3	335	InterPro	IPR006033	Type I L-asparaginase family
5	323	SMART	SM00870	Asparaginase_2
5	323	InterPro	IPR006034	Asparaginase/glutaminase-like

3D Structure

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

Loading 3D structure...

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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_A0A0H3GN50	AlphaFold	—	—	full sequence	—	Viewing
ColabFold KP13_05661	ColabFold	—	—	full sequence	—	Loaded

Pocket details FPocket · P2Rank — toggle visibility and zoom from here, or open full viewer

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				3.92	0.155
2				2.03	0.045

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
5				0.245

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				3.8	0.147
2				2.65	0.078

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.

53 records

Highest-confidence structural evidence: ligands co-crystallized with this exact protein. If the source PDB is loaded in TPW, 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
4CS	4Q0M	Q8TZE8	142.2 Da LogP -0.15 TPSA 61.7	✓ Ro5	✓ Clean	`CC1=N[C@@H](CCN1)C(=O)O`
AEI	6V24	P00805	234.2 Da LogP -1.87 TPSA 152.9	✓ Ro5	✓ Clean	`C[C@H]([C@@H](C(=O)O)N)OC(=O)C[C@@H](C(=O)O)N`
FLC	6PA8	P00805	189.1 Da LogP -5.25 TPSA 140.6	✓ Ro5	✓ Clean	`C(C(=O)[O-])C(CC(=O)[O-])(C(=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).

No ChEMBL hits found through similar proteins.

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
ZINC1532902	0.700	206.2 Da LogP -0.86 TPSA 132.1	✓ Ro5	✓ Clean	`O=C(O)CC[C@@](O)(CC(=O)O)C(=O)O`
ZINC2018106	0.700	206.2 Da LogP -0.86 TPSA 132.1	✓ Ro5	✓ Clean	`O=C(O)CC[C@](O)(CC(=O)O)C(=O)O`
ZINC3593496	0.652	206.2 Da LogP -1.16 TPSA 121.1	✓ Ro5	✓ Clean	`COC(=O)C[C@@](O)(CC(=O)O)C(=O)O`
ZINC3593497	0.652	206.2 Da LogP -1.16 TPSA 121.1	✓ Ro5	✓ Clean	`COC(=O)C[C@](O)(CC(=O)O)C(=O)O`
ZINC14686440	0.625	436.4 Da LogP -2.64 TPSA 247.9	1 viol.	✓ Clean	`O=C(O)C[C@](O)(CC(=O)NCCCCNC(=O)C[C@@](O)(CC(=O…`
ZINC14686442	0.625	436.4 Da LogP -2.64 TPSA 247.9	1 viol.	✓ Clean	`O=C(O)C[C@@](O)(CC(=O)NCCCCNC(=O)C[C@](O)(CC(=O…`
ZINC14686444	0.625	436.4 Da LogP -2.64 TPSA 247.9	1 viol.	✓ Clean	`O=C(O)C[C@@](O)(CC(=O)NCCCCNC(=O)C[C@@](O)(CC(=…`
ZINC1709621	0.600	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@@H](CC(=O)N[C@@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC1709622	0.600	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@H](CC(=O)N[C@@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC1709623	0.600	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@@H](CC(=O)N[C@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC1709624	0.600	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@H](CC(=O)N[C@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC13398039	0.577	234.2 Da LogP -0.38 TPSA 121.1	✓ Ro5	✓ Clean	`CC(C)OC(=O)C[C@](O)(CC(=O)O)C(=O)O`
ZINC2528012	0.577	234.2 Da LogP -0.38 TPSA 121.1	✓ Ro5	✓ Clean	`CC(C)OC(=O)C[C@@](O)(CC(=O)O)C(=O)O`
ZINC146315135	0.560	204.2 Da LogP 0.86 TPSA 94.8	✓ Ro5	✓ Clean	`CCCCC[C@@](O)(CC(=O)O)C(=O)O`
ZINC146315336	0.560	204.2 Da LogP 0.86 TPSA 94.8	✓ Ro5	✓ Clean	`CCCCC[C@](O)(CC(=O)O)C(=O)O`
ZINC1575288	0.560	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)O`
ZINC1575289	0.560	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)O`
ZINC1575290	0.560	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)O`
ZINC1575291	0.560	248.2 Da LogP -2.17 TPSA 167.0	✓ Ro5	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)O`
ZINC5131760	0.560	237.2 Da LogP -0.94 TPSA 137.9	✓ Ro5	✓ Clean	`N[C@@H](CS[C@@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC5131761	0.560	237.2 Da LogP -0.94 TPSA 137.9	✓ Ro5	✓ Clean	`N[C@H](CS[C@@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC5131922	0.560	237.2 Da LogP -0.94 TPSA 137.9	✓ Ro5	✓ Clean	`N[C@@H](CS[C@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC5131923	0.560	237.2 Da LogP -0.94 TPSA 137.9	✓ Ro5	✓ Clean	`N[C@H](CS[C@H](CC(=O)O)C(=O)O)C(=O)O`
ZINC1850353	0.556	206.1 Da LogP -0.86 TPSA 132.1	✓ Ro5	✓ Clean	`O=C(O)CC(O)(CC(=O)O)CC(=O)O`
ZINC2123927	0.538	204.2 Da LogP -1.62 TPSA 129.7	✓ Ro5	✓ Clean	`C[C@H](NC(=O)[C@@H](N)CC(=O)O)C(=O)O`
ZINC2560978	0.538	204.2 Da LogP -1.62 TPSA 129.7	✓ Ro5	✓ Clean	`C[C@H](NC(=O)C[C@H](N)C(=O)O)C(=O)O`
ZINC1730666	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	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	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`
ZINC3055005	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	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	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`
ZINC13398014	0.522	220.2 Da LogP -1.07 TPSA 110.1	✓ Ro5	✓ Clean	`COC(=O)CC(O)(CC(=O)OC)C(=O)O`
ZINC3861629	0.522	206.1 Da LogP -1.16 TPSA 121.1	✓ Ro5	✓ Clean	`COC(=O)C(O)(CC(=O)O)CC(=O)O`
ZINC100655912	0.519	478.4 Da LogP -4.25 TPSA 299.8	1 viol.	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)N[C@H](…`
ZINC100655916	0.519	478.4 Da LogP -4.25 TPSA 299.8	1 viol.	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)N[C@@H]…`
ZINC255993703	0.519	478.4 Da LogP -4.25 TPSA 299.8	1 viol.	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)N[C@H](…`
ZINC4533843	0.519	363.3 Da LogP -3.21 TPSA 233.4	1 viol.	✓ Clean	`N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@…`
ZINC4533848	0.519	478.4 Da LogP -4.25 TPSA 299.8	1 viol.	✓ Clean	`N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@…`
ZINC4533853	0.519	478.4 Da LogP -4.25 TPSA 299.8	1 viol.	✓ Clean	`N[C@H](CC(=O)O)C(=O)N[C@H](CC(=O)O)C(=O)N[C@@H]…`
ZINC100969996	0.500	359.5 Da LogP 2.70 TPSA 123.9	✓ Ro5	✓ Clean	`CCCCCCCCCCCCNC(=O)C[C@@](O)(CC(=O)O)C(=O)O`
ZINC1555366	0.500	232.3 Da LogP 0.15 TPSA 126.6	✓ Ro5	✓ Clean	`N[C@@H](CCCCCC[C@H](N)C(=O)O)C(=O)O`
ZINC1577651	0.500	234.2 Da LogP -0.66 TPSA 149.2	✓ Ro5	✓ Clean	`O=C(O)C[C@H](C(=O)O)[C@@H](CC(=O)O)C(=O)O`
ZINC1577653	0.500	234.2 Da LogP -0.66 TPSA 149.2	✓ Ro5	✓ Clean	`O=C(O)C[C@H](C(=O)O)[C@H](CC(=O)O)C(=O)O`
ZINC1720128	0.500	218.3 Da LogP -0.24 TPSA 126.6	✓ Ro5	✓ Clean	`N[C@@H](CCCCC[C@@H](N)C(=O)O)C(=O)O`
ZINC1720130	0.500	218.3 Da LogP -0.24 TPSA 126.6	✓ Ro5	✓ Clean	`N[C@H](CCCCC[C@@H](N)C(=O)O)C(=O)O`
ZINC22923898	0.500	307.3 Da LogP -3.04 TPSA 199.3	1 viol.	✓ Clean	`N[C@@H](CN[C@@H](CN[C@@H](CC(=O)O)C(=O)O)C(=O)O…`
ZINC23355305	0.500	307.3 Da LogP -3.04 TPSA 199.3	1 viol.	✓ Clean	`N[C@H](CN[C@@H](CN[C@@H](CC(=O)O)C(=O)O)C(=O)O)…`
ZINC2560966	0.500	231.3 Da LogP -1.59 TPSA 135.5	✓ Ro5	✓ Clean	`CC(C)[C@H](NC(=O)[C@@H](N)CC(N)=O)C(=O)O`
ZINC4580672	0.500	202.2 Da LogP -0.85 TPSA 126.6	✓ Ro5	✓ Clean	`N[C@@H](C/C=C/C[C@H](N)C(=O)O)C(=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.