Protein profile

PA1318

cytochrome o ubiquinol oxidase subunit I

Genome: NC_002516.2

Gene: PA1318 cyoB Structure source: AlphaFold UniProt Q9I426
Amino acids 658
Annotations 11
Features 83
PDB binders 16
Druggability 0.863

Overview

Basic information about this protein and its source genome.

Accession
PA1318
Gene
PA1318 cyoB
Status
annotated
Amino acids
658
Structure source
AlphaFold

Target profile

Computed evidence for target prioritization.

Human off-target
hit
Human identity (%)
39.335
Human E-value
1.64e-111
Gut microbiome off-target
hit
Essential (DEG)
Y
Localization
CytoplasmicMembrane

Selected Druggability evidence

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 0.863
Structure
Pocket

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 10 GO

Enzyme Commission (EC)

1

Gene Ontology (GO)

10
  • 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:0009486 Catalysis of the reaction: 2 ubiquinol + O2 + 4 H+ = 2 ubiquinone + 2 H2O + 4 H+ [periplasmic space].
  • GO:0004129 Catalysis of the reaction: 4 Fe(II)-[cytochrome c] + O2 + 8 H+(in) = 4 Fe(III)-[cytochrome c] + 2 H2O + 4 H+(out).
  • GO:0020037 Binding to a heme, a compound composed of iron complexed in a porphyrin (tetrapyrrole) ring.
  • GO:0046872 Binding to a metal ion.
  • GO:0016682 Catalysis of an oxidation-reduction (redox) reaction in which a diphenol, or related compound, acts as a hydrogen or electron donor and reduces oxygen.
  • GO:0009060 The enzymatic release of energy from inorganic and organic compounds (especially carbohydrates and fats) which requires oxygen as the terminal electron acceptor.
  • GO:0015990 The transport of protons against an electrochemical gradient, using energy from electron transport.
  • GO:0022904 A process in which a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
  • GO:0016020 A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it.

Sequence Features

Domain/signature hits from InterPro and related databases.

83 records
Show feature table
Start End DB Term Name
287 305 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
494 518 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
139 160 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
494 516 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
380 403 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
103 127 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
306 316 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
16 38 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
590 612 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
276 298 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
280 334 ProSitePatterns PS00077 Heme-copper oxidase catalytic subunit, copper B binding region signature.
280 334 InterPro IPR023615 Cytochrome c oxidase, subunit I, copper-binding site
475 493 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
52 552 FunFam G3DSA:1.20.210.10:FF:000002 Cytochrome o ubiquinol oxidase, subunit I
234 256 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
348 368 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
612 658 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
59 83 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
1 15 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
39 58 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
590 611 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
347 369 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
43 559 SUPERFAMILY SSF81442 Cytochrome c oxidase subunit I-like
43 559 InterPro IPR036927 Cytochrome c oxidase-like, subunit I superfamily
423 445 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
256 286 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
140 162 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
2 647 NCBIfam TIGR02843 cytochrome o ubiquinol oxidase subunit I
2 647 InterPro IPR014207 Cytochrome o ubiquinol oxidase, subunit I
15 37 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
105 127 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
161 188 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
337 347 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
128 138 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
519 589 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
57 79 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
191 213 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
418 440 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
56 504 Pfam PF00115 Cytochrome C and Quinol oxidase polypeptide I
56 504 InterPro IPR000883 Cytochrome c oxidase subunit I
317 336 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
381 403 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
48 552 CDD cd01662 Ubiquinol_Oxidase_I
446 456 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
189 213 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
84 102 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
166 178 PRINTS PR01165 Cytochrome c oxidase subunit I signature
166 178 InterPro IPR000883 Cytochrome c oxidase subunit I
348 369 PRINTS PR01165 Cytochrome c oxidase subunit I signature
348 369 InterPro IPR000883 Cytochrome c oxidase subunit I
324 339 PRINTS PR01165 Cytochrome c oxidase subunit I signature
324 339 InterPro IPR000883 Cytochrome c oxidase subunit I
411 430 PRINTS PR01165 Cytochrome c oxidase subunit I signature
411 430 InterPro IPR000883 Cytochrome c oxidase subunit I
461 482 PRINTS PR01165 Cytochrome c oxidase subunit I signature
461 482 InterPro IPR000883 Cytochrome c oxidase subunit I
97 120 PRINTS PR01165 Cytochrome c oxidase subunit I signature
97 120 InterPro IPR000883 Cytochrome c oxidase subunit I
278 299 PRINTS PR01165 Cytochrome c oxidase subunit I signature
278 299 InterPro IPR000883 Cytochrome c oxidase subunit I
47 72 PRINTS PR01165 Cytochrome c oxidase subunit I signature
47 72 InterPro IPR000883 Cytochrome c oxidase subunit I
124 148 PRINTS PR01165 Cytochrome c oxidase subunit I signature
124 148 InterPro IPR000883 Cytochrome c oxidase subunit I
198 216 PRINTS PR01165 Cytochrome c oxidase subunit I signature
198 216 InterPro IPR000883 Cytochrome c oxidase subunit I
227 246 PRINTS PR01165 Cytochrome c oxidase subunit I signature
227 246 InterPro IPR000883 Cytochrome c oxidase subunit I
383 401 PRINTS PR01165 Cytochrome c oxidase subunit I signature
383 401 InterPro IPR000883 Cytochrome c oxidase subunit I
457 474 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.
214 233 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
369 379 Phobius CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the cytoplasm.
31 564 Gene3D G3DSA:1.20.210.10 -
31 564 InterPro IPR036927 Cytochrome c oxidase-like, subunit I superfamily
45 564 PANTHER PTHR10422 CYTOCHROME C OXIDASE SUBUNIT 1
45 564 InterPro IPR000883 Cytochrome c oxidase subunit I
39 559 ProSiteProfiles PS50855 Cytochrome oxidase subunit I profile.
39 559 InterPro IPR023616 Cytochrome c oxidase-like, subunit I domain
457 479 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
310 332 TMHMM TMhelix Region of a membrane-bound protein predicted to be embedded in the membrane.
404 422 Phobius NON_CYTOPLASMIC_DOMAIN Region of a membrane-bound protein predicted to be outside the membrane, in the extracellular region.
234 255 Phobius TRANSMEMBRANE Region of a membrane-bound protein predicted to be embedded in the membrane.

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

Loading 3D structure...

Legend High Medium Low

Structural evidence

0 + 1

Experimental PDB entries and predicted models. Click Switch to display a different structure in the viewer.

Entry Method Resolution Chain Coverage Links Status
AlphaFold PA1318
AlphaFold full sequence Viewing
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 0.863
16 0.227

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.

75 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
3PE P0ABI8 748.1 Da LogP 12.06 TPSA 134.4 2 viol. ✓ Clean CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OCCN)OC…
4AG P98005 568.9 Da LogP 10.40 TPSA 72.8 2 viol. ✓ Clean CCCCCCCCCCCCCCCC(=O)OC[C@@H](CO)OC(=O)CCCCCCCCC…
5PL P98005 1233.7 Da LogP 15.13 TPSA 245.7 4 viol. ✓ Clean CCCCCCCCCCCCCCCCCCCNC(=O)[C@@H](CO[C@@H]1[C@@H]…
7E8 P98005 300.4 Da LogP 3.36 TPSA 66.8 ✓ Ro5 ✓ Clean CCCCCC/C=C\CCCCCC(=O)OC[C@@H](CO)O
7E9 P98005 300.4 Da LogP 3.36 TPSA 66.8 ✓ Ro5 ✓ Clean CCCCCC/C=C\CCCCCC(=O)OC(CO)CO
CDL P00395 1464.1 Da LogP 23.31 TPSA 242.6 3 viol. ✓ Clean CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)([O-])OCC(…
CUA P98005 127.1 Da LogP -0.01 TPSA 0.0 ✓ Ro5 ✓ Clean [Cu][Cu]
FES A0R0M4 175.8 Da LogP 1.29 TPSA 0.0 ✓ Ro5 ✓ Clean S1[Fe]S[Fe]1
HEO P0ABI8 838.9 Da LogP 8.07 TPSA 110.7 2 viol. ✓ Clean Cc1c2cc3[n+]4c(cc5c(c(c6n5[Fe]47n2c(c1CCC(=O)O)…
HQO P34956 259.3 Da LogP 3.69 TPSA 47.2 ✓ Ro5 Alert CCCCCCCc1cc(c2ccccc2[n+]1[O-])O
IHQ P34956 385.2 Da LogP 4.36 TPSA 42.2 ✓ Ro5 ✓ Clean CCCCCCCC1=C(C(=O)c2ccccc2N1O)I
MQ7 P34956 649.0 Da LogP 14.10 TPSA 34.1 2 viol. Alert CC1=C(C(=O)c2ccccc2C1=O)C\C=C(/C)\CC\C=C(/C)\CC…
MQ9 A0R0M4 785.3 Da LogP 17.55 TPSA 34.1 2 viol. Alert CC1=C(C(=O)c2ccccc2C1=O)C\C=C(/C)\CC\C=C(/C)\CC…
PEE P00395 744.0 Da LogP 11.61 TPSA 134.4 2 viol. ✓ Clean CCCCCCCC/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)OCCN…
U9V P0ABI8 524.9 Da LogP 10.65 TPSA 52.6 2 viol. ✓ Clean CCCCCCCCCCCCCCCC(=O)OCCOC(=O)CCCCCCCCCCCCCC
UQ8 P0ABI8 727.1 Da LogP 14.40 TPSA 52.6 2 viol. Alert CC1=C(C(=O)C(=C(C1=O)OC)OC)CC=C(C)CC\C=C(/C)\CC…

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.