Protein profile

VK055_4832

citrate transporter family protein

Genome: KpATCC43816

Gene: AIK83359.1 Structure source: AlphaFold + ColabFold UniProt A0A0H3GT31
Amino acids 585
Annotations 5
Features 59
PDB binders 6
Druggability 0.453

Overview

Basic information about this protein and its source genome.

Accession
VK055_4832
Gene
AIK83359.1
Status
annotated
Amino acids
585
Structure source
AlphaFold + ColabFold

Target profile

Computed evidence for target prioritization.

Human off-target
hit
Human identity (%)
38.75
Human E-value
1.8e-06
Gut microbiome off-target
hit
Essential (DEG)
N
DEG identity (%)
26.761
Localization
CytoplasmicMembrane
ColabFold pLDDT
82.46

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 0.453
Structure A0A0H3GT31
Pocket Pocket 4
P2Rank 0.796
Structure A0A0H3GT31
Pocket Pocket 1
ColabFold model
FPocket 0.66 · Pocket 35
P2Rank 0.784 · Pocket 1
Core conservation Conserved core gene
Roary core
CoreCruncher core
Gut microbiome 127 / 4744 genomes with a hit
Normalized 0.027

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

5 GO

Gene Ontology (GO)

5
  • GO:0016020 A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it.
  • GO:0006813 The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
  • GO:0008324 Enables the transfer of cation from one side of a membrane to the other.
  • GO:0055085 The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other.
  • GO:0005886 The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Sequence Features

Domain/signature hits from InterPro and related databases.

59 records
Show feature table
Start End DB Term Name
460 478 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
584 585 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
100 110 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
402 424 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
439 459 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
72 94 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
433 438 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
519 541 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
1 19 SignalP_EUK SignalP-TM SignalP-TM
5 27 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
205 270 SUPERFAMILY SSF116726 TrkA C-terminal domain-like
205 270 InterPro IPR036721 Regulator of K+ conductance, C-terminal domain superfamily
298 373 FunFam G3DSA:3.30.70.1450:FF:000006 Citrate transporter protein
289 373 ProSiteProfiles PS51202 RCK C-terminal domain profile.
289 373 InterPro IPR006037 Regulator of K+ conductance, C-terminal
114 136 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
2 585 PANTHER PTHR43652 BASIC AMINO ACID ANTIPORTER YFCC-RELATED
513 523 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
393 409 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
205 281 Gene3D G3DSA:3.30.70.1450 -
205 281 InterPro IPR036721 Regulator of K+ conductance, C-terminal domain superfamily
298 374 Gene3D G3DSA:3.30.70.1450 -
298 374 InterPro IPR036721 Regulator of K+ conductance, C-terminal domain superfamily
479 498 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
51 69 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
131 149 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
205 281 FunFam G3DSA:3.30.70.1450:FF:000005 Citrate transporter protein
31 50 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
405 582 Pfam PF03600 Citrate transporter
405 582 InterPro IPR004680 Citrate transporter-like domain
171 392 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
437 459 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
544 562 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
563 583 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
148 170 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
193 282 ProSiteProfiles PS51202 RCK C-terminal domain profile.
193 282 InterPro IPR006037 Regulator of K+ conductance, C-terminal
111 130 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
410 414 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
32 51 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
150 170 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
297 369 SUPERFAMILY SSF116726 TrkA C-terminal domain-like
297 369 InterPro IPR036721 Regulator of K+ conductance, C-terminal domain superfamily
415 432 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
1 5 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
6 24 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
561 583 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
206 273 Pfam PF02080 TrkA-C domain
206 273 InterPro IPR006037 Regulator of K+ conductance, C-terminal
301 369 Pfam PF02080 TrkA-C domain
301 369 InterPro IPR006037 Regulator of K+ conductance, C-terminal
524 543 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
2 172 Pfam PF03600 Citrate transporter
2 172 InterPro IPR004680 Citrate transporter-like domain
533 549 ProSitePatterns PS01271 Sodium:sulfate symporter family signature.
533 549 InterPro IPR031312 Sodium/sulphate symporter, conserved site
70 99 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
479 512 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
25 30 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.

3D Structure

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

3D visualization script Full viewer

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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_A0A0H3GT31
AlphaFold full sequence Viewing
ColabFold VK055_4832
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
10 0.074
40 0.057
37 0.039
14 0.032

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 20.64 0.796
2 6.72 0.288
3 5.17 0.197
4 4.04 0.132
5 3.95 0.127

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.

82 records

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
FUM Q9KNE0 116.1 Da LogP -0.29 TPSA 74.6 ✓ Ro5 ✓ Clean C(=C/C(=O)O)\C(=O)O
HEX Q9KNE0 86.2 Da LogP 2.59 TPSA 0.0 ✓ Ro5 ✓ Clean CCCCCC
LMR Q9KNE0 134.1 Da LogP -1.09 TPSA 94.8 ✓ Ro5 ✓ Clean C([C@@H](C(=O)O)O)C(=O)O
OCT Q9KNE0 114.2 Da LogP 3.37 TPSA 0.0 ✓ Ro5 ✓ Clean CCCCCCCC
SIN Q9KNE0 118.1 Da LogP -0.06 TPSA 74.6 ✓ Ro5 ✓ Clean C(CC(=O)O)C(=O)O
UB7 Q9KNE0 166.1 Da LogP 1.08 TPSA 74.6 ✓ Ro5 ✓ Clean c1cc(ccc1C(=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.