pypath.utils.orthology.OmaOrthology

class pypath.utils.orthology.OmaOrthology(target: int | str, source: int | str = 9606, id_type: str = 'uniprot', only_swissprot: bool | None = None, rel_type: set[Literal['1:1', '1:n', 'm:1', 'm:n']] | None = None, score: float | None = None)

Bases: ProteinOrthology

__init__(target: int | str, source: int | str = 9606, id_type: str = 'uniprot', only_swissprot: bool | None = None, rel_type: set[Literal['1:1', '1:n', 'm:1', 'm:n']] | None = None, score: float | None = None)

Orthology translation with Ensembl data.

Args

target:

Name or NCBI Taxonomy ID of the target organism.

source:

Name or NCBI Taxonomy ID of the source organism.

id_type:

The identifier type to use.

only_swissprot:

Use only SwissProt IDs.

rel_type:

Restrict relations to certain types.

score:

Lower threshold for similarity metric.

Methods

__init__(target[, source, id_type, ...])	Orthology translation with Ensembl data.
asdict([full_records])	Create a dictionary from the translation table.
df([full_records])	Orthologous pairs as data frame.
get_taxon(protein[, only_swissprot])
get_taxon_trembl(protein)
has_protein(protein)
is_swissprot(protein)
load()
load_proteome(taxon[, only_swissprot])
load_taxonomy()
match(ortholog, **kwargs)	Check an ortholog against filtering criteria.
reload()
translate(identifier[, full_records])	For one UniProt ID of the source organism returns all orthologues from the target organism.
translate_df(df[, cols, ortho_df])	Translate columns in a data frame.

Attributes

key
pickle_path
resource

asdict(full_records: bool = False, **kwargs) → dict[str, set[OrthologBase]]

Create a dictionary from the translation table.

Parameters:

• full_records – Include not only the identifiers, but also some properties of the orthology relationships.

• kwargs – Resource specific filtering criteria.

Returns:

A dict with identifiers of the source organism as keys, and sets of their orthologs as values.

df(full_records: bool = False, **kwargs) → DataFrame

Orthologous pairs as data frame.

Parameters:

• full_records – Include not only the identifiers, but also some properties of the orthology relationships.

• kwargs – Resource specific filtering criteria.

Returns:

A data frame with pairs of orthologous identifiers, in two columns: “source” and “target”.

match(ortholog: OrthologBase, **kwargs) → bool

Check an ortholog against filtering criteria.

Parameters:

• ortholog – An ortholog record.

• kwargs – Override default filtering parameters.

Returns:

True if the ortholog meets the criteria.

translate(identifier: str | Iterable[str], full_records: bool = False, **kwargs) → set[str]

For one UniProt ID of the source organism returns all orthologues from the target organism.

Parameters:

• identifier – An identifier corresponding to the ID type and source organism of the instance.

• full_records – Include not only the identifiers, but also some properties of the orthology relationships.

• kwargs – Resource specific translation parameters.

Returns:

A set of identifiers of orthologues in the target taxon.

translate_df(df: DataFrame, cols: str | list[str] | None = None, ortho_df: DataFrame | None = None, **kwargs)

Translate columns in a data frame.

Parameters:

• df – A data frame.

• cols – One or more columns to be translated. It can be a single column name, an iterable of column names or a dict where keys are column names and values are ID types. Except this last case, identifiers are assumed to be UniProt.

• ortho_df – Override the translation data frame. If provided, the parameters in kwargs won’t have an effect. Must have columns “source” and “target”.

• kwargs – Resource specific translation parameters.

Returns:

A data frame with the same column layout as the input, and the identifiers translated as demanded. Rows that could not be translated are omitted.