Protein profile

KP13_01529

ABC-type high-affinity branched-chain amino acid transport system

Genome: KpKP13

Gene: livJ AHE43942.1 Structure source: AlphaFold + ColabFold UniProt A0A0H3GZU3

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Amino acids 383

Annotations 1

Features 26

PDB binders 1

Druggability 0.348

Overview

Basic information about this protein and its source genome.

Accession: KP13_01529
Assembly: Klebsiella pneumoniae subsp. pneumoniae Kp13, complete sequence
Gene: livJ AHE43942.1
Status: annotated
Amino acids: 383
Structure source: AlphaFold + ColabFold

GO:0006865 The directed movement of amino acids, organic acids containing one or more amino substituents, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.

Target profile

Computed evidence for target prioritization.

Human off-target: No hit
Human identity (%): 0.0
Gut microbiome off-target: hit
Essential (DEG): N
DEG identity (%): 0.0
Localization: Periplasmic
ColabFold pLDDT: 92.72

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 0.348

Structure A0A0H3GZU3

Pocket Pocket 2

P2Rank 0.045

Structure A0A0H3GZU3

Pocket Pocket 1

ColabFold model

FPocket 0.921 · Pocket 1

P2Rank 0.295 · Pocket 1

Core conservation Conserved core gene

Roary core

CoreCruncher core

Gut microbiome 48 / 4744 genomes with a hit

Normalized 0.01

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 GO

Gene Ontology (GO)

GO:0006865 The directed movement of amino acids, organic acids containing one or more amino substituents, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.

Sequence Features

Domain/signature hits from InterPro and related databases.

26 records

Show feature table

Start	End	DB	Term	Name
41	362	Gene3D	G3DSA:3.40.50.2300	-
21	38	TMHMM	TMhelix	Region of a membrane-bound protein predicted to be embedded in the membrane.
294	307	PRINTS	PR00337	Leu/Ile/Val-binding protein family signature
294	307	InterPro	IPR000709	Leu/Ile/Val-binding protein
40	56	PRINTS	PR00337	Leu/Ile/Val-binding protein family signature
40	56	InterPro	IPR000709	Leu/Ile/Val-binding protein
62	78	PRINTS	PR00337	Leu/Ile/Val-binding protein family signature
62	78	InterPro	IPR000709	Leu/Ile/Val-binding protein
81	99	PRINTS	PR00337	Leu/Ile/Val-binding protein family signature
81	99	InterPro	IPR000709	Leu/Ile/Val-binding protein
344	359	PRINTS	PR00337	Leu/Ile/Val-binding protein family signature
344	359	InterPro	IPR000709	Leu/Ile/Val-binding protein
1	38	SignalP_GRAM_POSITIVE	SignalP-TM	SignalP-TM
40	379	Pfam	PF13458	Periplasmic binding protein
40	379	InterPro	IPR028081	Leucine-binding protein domain
159	289	Gene3D	G3DSA:3.40.50.2300	-
21	29	Phobius	SIGNAL_PEPTIDE_H_REGION	Hydrophobic region of a signal peptide.
1	38	Phobius	SIGNAL_PEPTIDE	Signal peptide region
39	380	SUPERFAMILY	SSF53822	Periplasmic binding protein-like I
39	380	InterPro	IPR028082	Periplasmic binding protein-like I
1	20	Phobius	SIGNAL_PEPTIDE_N_REGION	N-terminal region of a signal peptide.
1	38	SignalP_GRAM_NEGATIVE	SignalP-noTM	SignalP-noTM
15	382	PANTHER	PTHR47151	LEU/ILE/VAL-BINDING ABC TRANSPORTER SUBUNIT
41	374	CDD	cd06342	PBP1_ABC_LIVBP-like
39	383	Phobius	NON_CYTOPLASMIC_DOMAIN	Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
30	38	Phobius	SIGNAL_PEPTIDE_C_REGION	C-terminal region of a signal peptide.

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_A0A0H3GZU3	AlphaFold	—	—	full sequence	—	Viewing
ColabFold KP13_01529	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
2				0.348

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				1.62	0.026
2				1.27	0.013

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				0.921

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				4.51	0.193
2				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.

51 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
ABU	3IP9	Q7CX36	103.1 Da LogP -0.19 TPSA 63.3	✓ Ro5	✓ Clean	`C(CC(=O)O)CN`

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
ZINC13357569	0.778	243.4 Da LogP 3.71 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCCCCC(=O)O`
ZINC1763117	0.778	201.3 Da LogP 2.54 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCC(=O)O`
ZINC1845814	0.778	215.3 Da LogP 2.93 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCCC(=O)O`
ZINC22048354	0.778	229.4 Da LogP 3.32 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCCCC(=O)O`
ZINC34552398	0.778	257.4 Da LogP 4.10 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCCCCCC(=O)O`
ZINC34628306	0.778	271.4 Da LogP 4.49 TPSA 63.3	✓ Ro5	✓ Clean	`NCCCCCCCCCCCCCCCC(=O)O`
ZINC3074822	0.667	229.3 Da LogP 2.11 TPSA 80.4	✓ Ro5	✓ Clean	`NCCCCCC(=O)CCCCCC(=O)O`
ZINC4822737	0.667	313.5 Da LogP 4.45 TPSA 80.4	✓ Ro5	✓ Clean	`NCCCCCCCCCCCC(=O)CCCCCC(=O)O`
ZINC1569727	0.593	202.3 Da LogP -0.05 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](C)C(=O)O`
ZINC1569728	0.593	202.3 Da LogP -0.05 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@@H](C)C(=O)O`
ZINC1569729	0.593	202.3 Da LogP -0.05 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@H](C)C(=O)O`
ZINC1569730	0.593	202.3 Da LogP -0.05 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@H](C)C(=O)O`
ZINC1529497	0.588	230.3 Da LogP 3.06 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCCC(=O)O`
ZINC1531045	0.588	202.2 Da LogP 2.28 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCC(=O)O`
ZINC1593115	0.588	216.3 Da LogP 2.67 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCC(=O)O`
ZINC1700020	0.588	244.3 Da LogP 3.45 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCCCC(=O)O`
ZINC3860440	0.588	258.4 Da LogP 3.84 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCCCCC(=O)O`
ZINC3861298	0.588	286.4 Da LogP 4.62 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCCCCCCC(=O)O`
ZINC5113062	0.588	272.4 Da LogP 4.23 TPSA 74.6	✓ Ro5	✓ Clean	`O=C(O)CCCCCCCCCCCCCC(=O)O`
ZINC2522597	0.586	246.3 Da LogP -0.60 TPSA 129.7	✓ Ro5	✓ Clean	`CC(C)C[C@H](NC(=O)C[C@H](N)C(=O)O)C(=O)O`
ZINC40470158	0.577	216.3 Da LogP 0.49 TPSA 92.4	✓ Ro5	✓ Clean	`NCCCC(=O)NCCCCCC(=O)O`
ZINC1532219	0.571	244.3 Da LogP 0.98 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)O`
ZINC1532220	0.571	244.3 Da LogP 0.98 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](NC(=O)[C@H](N)CC(C)C)C(=O)O`
ZINC1532221	0.571	244.3 Da LogP 0.98 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@H](CC(C)C)C(=O)O`
ZINC1532222	0.571	244.3 Da LogP 0.98 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@H](CC(C)C)C(=O)O`
ZINC64219359	0.565	202.3 Da LogP -0.41 TPSA 106.4	✓ Ro5	✓ Clean	`CC(C)[C@H](C(=O)[C@@H](C)N)[C@H](N)C(=O)O`
ZINC64219360	0.565	202.3 Da LogP -0.41 TPSA 106.4	✓ Ro5	✓ Clean	`CC(C)[C@@H](C(=O)[C@@H](C)N)[C@H](N)C(=O)O`
ZINC78311249	0.565	203.3 Da LogP -0.54 TPSA 92.6	✓ Ro5	✓ Clean	`NCCCN(CCCN)CCC(=O)O`
ZINC79670384	0.565	202.3 Da LogP -0.41 TPSA 106.4	✓ Ro5	✓ Clean	`CC(C)[C@@H](C(=O)[C@H](C)N)[C@H](N)C(=O)O`
ZINC79670387	0.565	202.3 Da LogP -0.41 TPSA 106.4	✓ Ro5	✓ Clean	`CC(C)[C@H](C(=O)[C@H](C)N)[C@H](N)C(=O)O`
ZINC1605717	0.552	230.3 Da LogP 0.59 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@H](C(=O)O)C(C)C`
ZINC1605718	0.552	230.3 Da LogP 0.59 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@H](C(=O)O)C(C)C`
ZINC1605719	0.552	230.3 Da LogP 0.59 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](C(=O)O)C(C)C`
ZINC1605720	0.552	230.3 Da LogP 0.59 TPSA 92.4	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@@H](C(=O)O)C(C)C`
ZINC13433578	0.550	201.3 Da LogP 1.68 TPSA 80.4	✓ Ro5	✓ Clean	`NC(=O)CCCCCCCCC(=O)O`
ZINC201768036	0.542	279.3 Da LogP -0.12 TPSA 100.2	✓ Ro5	✓ Clean	`NCCOCCOCCOCCOCCCC(=O)O`
ZINC1616450	0.536	254.3 Da LogP -1.28 TPSA 82.3	✓ Ro5	✓ Clean	`O=C(NCCNC(=O)[C@@H]1CCCN1)[C@@H]1CCCN1`
ZINC5600257	0.536	254.3 Da LogP -1.28 TPSA 82.3	✓ Ro5	✓ Clean	`O=C(NCCNC(=O)[C@H]1CCCN1)[C@H]1CCCN1`
ZINC8655607	0.536	254.3 Da LogP -1.28 TPSA 82.3	✓ Ro5	✓ Clean	`O=C(NCCNC(=O)[C@H]1CCCN1)[C@@H]1CCCN1`
ZINC13529436	0.533	212.3 Da LogP 1.76 TPSA 46.3	✓ Ro5	✓ Clean	`CC[C@H](C)[C@H](N)C(=O)N1CCCCCC1`
ZINC1541834	0.533	218.3 Da LogP -1.08 TPSA 112.7	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](CO)C(=O)O`
ZINC19502834	0.533	212.3 Da LogP 1.76 TPSA 46.3	✓ Ro5	✓ Clean	`CC[C@@H](C)[C@@H](N)C(=O)N1CCCCCC1`
ZINC19502836	0.533	212.3 Da LogP 1.76 TPSA 46.3	✓ Ro5	✓ Clean	`CC[C@H](C)[C@@H](N)C(=O)N1CCCCCC1`
ZINC19502838	0.533	212.3 Da LogP 1.76 TPSA 46.3	✓ Ro5	✓ Clean	`CC[C@@H](C)[C@H](N)C(=O)N1CCCCCC1`
ZINC227596999	0.533	357.5 Da LogP 1.51 TPSA 121.5	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CC…`
ZINC227597004	0.533	357.5 Da LogP 1.51 TPSA 121.5	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C…`
ZINC2556618	0.533	246.3 Da LogP -0.60 TPSA 129.7	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@@H](CC(=O)O)C(=O)O`
ZINC4556667	0.533	357.5 Da LogP 1.51 TPSA 121.5	✓ Ro5	✓ Clean	`CC(C)C[C@H](N)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](C…`
ZINC4556684	0.533	218.3 Da LogP -1.08 TPSA 112.7	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@@H](CO)C(=O)O`
ZINC4556685	0.533	218.3 Da LogP -1.08 TPSA 112.7	✓ Ro5	✓ Clean	`CC(C)C[C@@H](N)C(=O)N[C@H](CO)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.