Protein profile

KP13_03296

Potassium-transporting ATPase B chain

Genome: KpKP13

Gene: kdpB AHE45675.1 Structure source: AlphaFold + ColabFold UniProt A0A0H3GPZ6
Amino acids 682
Annotations 10
Features 59
PDB binders 6
Druggability 0.77

Overview

Basic information about this protein and its source genome.

Accession
KP13_03296
Gene
kdpB AHE45675.1
Status
annotated
Amino acids
682
Structure source
AlphaFold + ColabFold

Target profile

Computed evidence for target prioritization.

Human off-target
hit
Human identity (%)
40.845
Human E-value
7.65e-24
Gut microbiome off-target
hit
Essential (DEG)
Y
DEG identity (%)
57.544
DEG E-value
0.0
Localization
CytoplasmicMembrane
ColabFold pLDDT
87.52

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 0.77
Structure A0A0H3GPZ6
Pocket Pocket 1
P2Rank 0.329
Structure A0A0H3GPZ6
Pocket Pocket 1
ColabFold model
FPocket 0.772 · Pocket 44
P2Rank 0.296 · Pocket 1
Core conservation Conserved core gene
Roary core
CoreCruncher core
Gut microbiome 927 / 4744 genomes with a hit
Normalized 0.195

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 9 GO

Enzyme Commission (EC)

1

Gene Ontology (GO)

9
  • 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:0008556 Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + K+(out) = ADP + phosphate + K+(in).
  • 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:0005215 Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, accross or in between cells.
  • GO:0016020 A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it.
  • GO:0005524 Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
  • 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:0000287 Binding to a magnesium (Mg) ion.

Sequence Features

Domain/signature hits from InterPro and related databases.

59 records
Show feature table
Start End DB Term Name
115 207 SUPERFAMILY SSF81653 Calcium ATPase, transduction domain A
115 207 InterPro IPR008250 P-type ATPase, A domain superfamily
37 59 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
273 571 Gene3D G3DSA:3.40.50.1000 -
273 571 InterPro IPR023214 HAD superfamily
307 313 ProSitePatterns PS00154 E1-E2 ATPases phosphorylation site.
307 313 InterPro IPR018303 P-type ATPase, phosphorylation site
275 583 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
71 337 NCBIfam TIGR01494 HAD-IC family P-type ATPase
71 337 InterPro IPR001757 P-type ATPase
372 604 NCBIfam TIGR01494 HAD-IC family P-type ATPase
372 604 InterPro IPR001757 P-type ATPase
301 530 Pfam PF00702 haloacid dehalogenase-like hydrolase
654 672 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
316 449 Gene3D G3DSA:3.40.1110.10 -
316 449 InterPro IPR023299 P-type ATPase, cytoplasmic domain N
316 449 FunFam G3DSA:3.40.1110.10:FF:000007 Potassium-transporting ATPase ATP-binding subunit
30 662 SUPERFAMILY SSF81665 Calcium ATPase, transmembrane domain M
30 662 InterPro IPR023298 P-type ATPase, transmembrane domain superfamily
286 567 SFLD SFLDF00027 p-type atpase
286 567 InterPro IPR044492 P-type ATPase, haloacid dehalogenase domain
89 211 FunFam G3DSA:2.70.150.10:FF:000010 Potassium-transporting ATPase ATP-binding subunit
3 680 PANTHER PTHR43743 POTASSIUM-TRANSPORTING ATPASE ATP-BINDING SUBUNIT
3 680 InterPro IPR006391 P-type ATPase, B chain, subfamily IA
220 242 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
252 274 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
2 677 NCBIfam TIGR01497 potassium-transporting ATPase subunit KdpB
2 677 InterPro IPR006391 P-type ATPase, B chain, subfamily IA
249 274 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
8 680 Hamap MF_00285 Potassium-transporting ATPase ATP-binding subunit [kdpB].
8 680 InterPro IPR006391 P-type ATPase, B chain, subfamily IA
286 567 SFLD SFLDS00003 Haloacid Dehalogenase
584 602 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
10 678 CDD cd02078 P-type_ATPase_K
10 678 InterPro IPR006391 P-type ATPase, B chain, subfamily IA
83 218 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
587 609 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
244 248 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
89 211 Gene3D G3DSA:2.70.150.10 -
619 641 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
154 168 PRINTS PR00119 P-type cation-transporting ATPase superfamily signature
539 551 PRINTS PR00119 P-type cation-transporting ATPase superfamily signature
463 473 PRINTS PR00119 P-type cation-transporting ATPase superfamily signature
305 319 PRINTS PR00119 P-type cation-transporting ATPase superfamily signature
516 535 PRINTS PR00119 P-type cation-transporting ATPase superfamily signature
635 653 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
63 82 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
64 82 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
114 282 Pfam PF00122 E1-E2 ATPase
614 634 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
673 682 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
603 613 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
654 676 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
293 559 SUPERFAMILY SSF56784 HAD-like
293 559 InterPro IPR036412 HAD-like superfamily
219 243 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
1 34 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
35 58 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
59 63 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.

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_A0A0H3GPZ6
AlphaFold full sequence Viewing
ColabFold KP13_03296
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
1 0.77
42 0.677
46 0.421
8 0.259

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 3.82 0.148
2 2.6 0.075
3 2.41 0.065
4 2.4 0.064
5 1.92 0.039

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

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
A99 Q97UU7 656.3 Da LogP 1.06 TPSA 311.3 3 viol. ✓ Clean C[C@@H](c1ccccc1[N+](=O)[O-])OP(=O)(O)OP(=O)(O)…
ACP O29777 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)…
ALF Q3YW59 103.0 Da LogP 1.30 TPSA 0.0 ✓ Ro5 ✓ Clean F[Al-](F)(F)F
ANP P03960 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)…
BEF Q3YW59 66.0 Da LogP 0.88 TPSA 0.0 ✓ Ro5 ✓ Clean [Be-](F)(F)F
MGF Q5ZWR1 81.3 Da LogP 0.88 TPSA 0.0 ✓ Ro5 ✓ Clean F[Mg-](F)F

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.