Aldehyde oxidase
AF-V7F684-F1-v4
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Predicted aligned error (PAE)
Click and drag a box on the PAE viewer to select regions of the structure and highlight them on the 3D viewer.
PAE data is useful for assessing inter-domain accuracy – go to Help section below for more information.
Start a structural similarity search to discover similar proteins.
AlphaFold database protein sequences clustered by the MMseqs2 algorithm (Steinegger M. and Soeding J., Nat. Commun. 9, 2018). Each cluster is comprised of sequences that fulfil two criteria: maintaining a maximum sequence identity of 50% and achieving a 90% bi-directional sequence overlap with the longest sequence of the cluster representative.
AFDB accession | Description | Species | Sequence length | Average pLDDT |
---|---|---|---|---|
AFDB accessionAF-A0A1T5JU98-F1 | Description Purine hydroxylase beta subunit apoprotein Purine hydroxylase beta subunit apoprotein ... Purine hydroxylase beta subunit apoprotein | SpeciesMaledivibacter halophilus Maledivibacter halophilus | Sequence length 328 | Average pLDDT 96.81 |
AFDB accessionAF-A0A0J1FAE7-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesPeptococcaceae bacterium CEB3 Peptococcaceae bacterium CEB3 | Sequence length 331 | Average pLDDT 96.81 |
AFDB accessionAF-A0A0C7NLU3-F1 | Description Aldehyde oxidase/xanthine dehydrogenase,molybdopterin binding Aldehyde oxidase/xanthine dehydrogenase,molybdopterin binding ... Aldehyde oxidase/xanthine dehydrogenase,molybdopterin binding | SpeciesMoorella glycerini Moorella glycerini | Sequence length 334 | Average pLDDT 96.75 |
AFDB accessionAF-A0A1J5NKF4-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesMoorella thermoacetica Moorella thermoacetica | Sequence length 334 | Average pLDDT 96.75 |
AFDB accessionAF-A0A7C6M6T0-F1 | Description Molybdopterin-dependent oxidoreductase Molybdopterin-dependent oxidoreductase ... Molybdopterin-dependent oxidoreductase | SpeciesClostridia bacterium Clostridia bacterium | Sequence length 329 | Average pLDDT 96.75 |
AFDB accessionAF-A0A4R5JMP2-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesZhaonella formicivorans Zhaonella formicivorans | Sequence length 330 | Average pLDDT 96.69 |
AFDB accessionAF-A0A151B0M0-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesMoorella mulderi DSM 14980 Moorella mulderi DSM 14980 | Sequence length 334 | Average pLDDT 96.69 |
AFDB accessionAF-A0A6I5ZUI6-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesMoorella glycerini Moorella glycerini | Sequence length 334 | Average pLDDT 96.69 |
AFDB accessionAF-A0A0S6UGV8-F1 | Description Aerobic-type carbon monoxide dehydrogenase, large subunit CoxL/CutL homologs Aerobic-type carbon monoxide dehydrogenase, large subunit CoxL/CutL homologs ... Aerobic-type carbon monoxide dehydrogenase, large subunit CoxL/CutL homologs | SpeciesMoorella thermoacetica Y72 Moorella thermoacetica Y72 | Sequence length 334 | Average pLDDT 96.69 |
AFDB accessionAF-A0A4P6BAG6-F1 | Description Nicotinate dehydrogenase medium molybdopterin subunit Nicotinate dehydrogenase medium molybdopterin subunit ... Nicotinate dehydrogenase medium molybdopterin subunit | SpeciesMoorella sp. E306M Moorella sp. E306M | Sequence length 334 | Average pLDDT 96.69 |
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How to interpret the Predicted Aligned Error
The Predicted Aligned Error (PAE) measures the confidence in the relative position of two residues within the predicted structure, providing insight into the reliability of relative position and orientations of different domains. Consider the human protein encoded by the gene GNE (Q9Y223). GNE has two distinct domains according to experimentally determined structures in the Protein Data Bank (PDBe-KB). Does AlphaFold confidently predict their relative positions? We can use the interactive Predicted Aligned Error (PAE) plot to answer this question. The PAE plot is not an inter-residue distance map or a contact map. Instead, the shade of green indicates the expected distance error in Ångströms (Å), ranging from 0 Å to an arbitrary cut-off of 31 Å. The colour at (x, y) corresponds to the expected distance error in the residue x’s position when the predicted and the true structures are aligned on residue y. The two low-error, dark green squares correspond to the two domains. By clicking and dragging, you can highlight these squares on the structure. If you want to remove the highlighting, click the cross icon. When selecting an off-diagonal region, the plot visually represents the relationship between the selected ranges on the sequence and structure. The x range corresponds to the selection for scored residues, highlighted in orange, while the y range of aligned residues is highlighted in emerald green. Let’s consider another inter-domain example, the human protein encoded by DIP2B (Q9P265). In this case, we have confidence in the relative position of scored residues around 1450 when aligned with residues around 850, suggesting a packing between the small central domains. Note that the PAE scores are asymmetrical, meaning there might be variations in PAE values between (x,y) and (y,x) positions. This is particularly relevant for loop regions with highly uncertain orientations, as seen on the DNA topoisomerase 3 (Q8T2T7).
A dark green tile corresponds to a good prediction (low error), whereas a light green tile indicates poor prediction (high error). For example, when aligning on residue 300:
The high PAE values across the whole inter-domain region indicate that for this particular protein, AlphaFold does not reliably predict the relative position of the domains.
Last updated
Last updated in AlphaFold DB version 2022-11-01, created with the AlphaFold Monomer v2.0 pipeline.
Licence and attribution
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If you make use of an AlphaFold prediction, please cite the following papers: Jumper, J et al. Highly accurate protein structure prediction with AlphaFold. Nature (2021).
Varadi, M et al. AlphaFold Protein Structure Database in 2024: providing structure coverage for over 214 million protein sequences. Nucleic Acids Research (2024).
If you use data from AlphaMissense in your work, please cite the following paper: Cheng, J et al. Accurate proteome-wide missense variant effect prediction with AlphaMissense. Science (2023).
AlphaFold Data Copyright (2022) DeepMind Technologies Limited.
AlphaMissense Copyright (2023) DeepMind Technologies Limited.
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