All families / PF23465
PF23465: DUF7131
Domain of unknown function (DUF7131)
- Curation status
- SEEDED
- Seed status
- UNKNOWN CANDIDATE
- Characterization
- UNSCORED
Grounding
PF23465: Domain of unknown function (DUF7131)
IPR055555: integrated entry for Domain of unknown function (DUF7131)
Source description
This entry is a domain of unknown function found in some PA-PLA1 family members, which consists of mitochondrial proteins that are probable phospholipases with a specific function to hydrolyze phosphatidic acid. Members of this family are involved in the metabolism of phospholipids, which are critical components of cell membranes. By hydrolyzing phosphatidic acid, these enzymes may play a role in the regulation of mitochondrial membrane composition and dynamics, as well as in signaling pathways related to lipid metabolism.
Evidence and references
Source descriptions and links are provenance, not independent functional validation.
Evidence counts: not scored.
Curated functional assertions
No curated functional assertions supplied.
Protein sequence examples
2 verified sequence examples. FASTA
| UniProt | Protein / organism | Sequence | Provenance |
|---|---|---|---|
| P87109 | Probable phospholipase C20G8.02, mitochondrial Schizosaccharomyces pombe (strain 972 / ATCC 24843) | 757 aa; version 1 UniProt 2026_03 | UNIPROT FETCH1 sibling references |
| Q12204 | Probable phospholipase YOR022C, mitochondrial Saccharomyces cerevisiae (strain ATCC 204508 / S288c) | 715 aa; version 1 UniProt 2026_03 | UNIPROT FETCH |
Pfam membership is not functional evidence. Whole-protein sequences do not establish domain boundaries. A coverage gap here is not absence from UniProt.
Sequences and metadata: UniProt Consortium, CC BY 4.0.
Domain matches
No residue-level domain match evidence is available in this build. Structure and AlphaFold counters do not supply coordinates or establish function.
Snapshot counters
- proteins
- 1,093
- matches
- 1,093
- proteomes
- 1,013
- taxa
- 2,049
- structures
- 0
- alphafold models
- 875
- domain architectures
- 33
Classification basis
short name matches duf; name says unknown function; description says unknown function; domain of unknown function
No scoring reasons supplied.
Related Mech records
| Family | Mech | Record | Protein | Link basis |
|---|---|---|---|---|
| DUF7131 (PF23465) | ProteinTraitsMech | C20G8.02-like, WWE domain | Q12204 Probable phospholipase YOR022C, mitochondrial | canonical example family classification |
| DUF7131 (PF23465) | ProteinTraitsMech | PA-PLA1 probable phospholipase, DUF7131 | Q12204 Probable phospholipase YOR022C, mitochondrial | canonical example family classification |
| DUF7131 (PF23465) | ProteinTraitsMech | PA-PLA1 probable phospholipase, DUF7131 | trait identifier | |
| DUF7131 (PF23465) | ProteinTraitsMech | Domain of unknown function (DUF7131) | P87109 Probable phospholipase C20G8.02, mitochondrial | canonical example family classification |
| DUF7131 (PF23465) | ProteinTraitsMech | Domain of unknown function (DUF7131) | Q12204 Probable phospholipase YOR022C, mitochondrial | canonical example family classification |
| DUF7131 (PF23465) | ProteinTraitsMech | Domain of unknown function (DUF7131) | trait identifier | |
| DUF7131 (PF23465) | ProteinTraitsMech | WWE domain | Q12204 Probable phospholipase YOR022C, mitochondrial | canonical example family classification |
Curation history and reviews
No retained curation events supplied.
No retained review supplied.
Record source
Status and evidence
- Seed status
- A name-based classification of frozen InterPro/Pfam metadata. UNKNOWN CANDIDATE means the metadata explicitly says the function is unknown. KNOWN HISTORICAL DUF means a DUF name matched without that wording; this heuristic is not proof of a known function and does not establish experimental characterization. EX DUF means Pfam renamed the family away from a DUF/UPF name, as recorded in Pfam's previous identifiers; a rename usually follows published work on some members but is naming history, not proof of function for every member. Some EX DUF families' current names or descriptions still say the function is unknown; their classification basis lists this, and scoring does not treat them as characterized. FALSE POSITIVE TEXT HIT means the naming rules did not match.
- Characterization
- A separate evidence-scoring result. UNSCORED means no score has been calculated; it is not evidence that the family lacks a known function. Missing scores are not negative evidence. PARTIALLY CHARACTERIZED has partial support; KNOWN HISTORICAL DUF can inherit the seed label or reflect a known-function signal. Neither label implies experimental validation.
- Evidence counts
- Source-specific signals, not unique proteins, publications, or confidence scores. Known counts Rhea reactions and experimentally supported GO molecular-function annotations. Partial counts functional/domain assignments. Context counts structural, environmental, orthology, interaction and neighborhood signals; context alone does not assign function. Repeated annotations may not be independent.
- Curation status
- Reported separately from seed classification and characterization. SNAPSHOT ONLY means no curated metadata was supplied for this build. SEEDED denotes a source-derived record, not an expert-reviewed functional claim.
- Missing counts
- Not available means the source did not supply that counter. A zero is a reported count. Not scored means evidence counts are unavailable.