DUFMech

All families / PF11882

PF11882: DUF3402

Domain of unknown function (DUF3402)

Curation status
SEEDED
Seed status
UNKNOWN CANDIDATE
Characterization
UNSCORED

Grounding

PF11882: Domain of unknown function (DUF3402)
IPR021819: integrated entry for Domain of unknown function (DUF3402)

Source description

This domain is functionally uncharacterised. This domain is found in eukaryotes. This presumed domain is typically between 350 to 473 amino acids in length. This domain is found associated with PF07923 (Pfam entry).

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

5 verified sequence examples. FASTA

UniProtProtein / organismSequenceProvenance
P53917Factor arrest protein 11
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
953 aa; version 1
UniProt 2026_03
UNIPROT FETCH
8 sibling references
Q5VSL9Striatin-interacting protein 1
Homo sapiens
837 aa; version 1
UniProt 2026_03
PTM REGISTRY MIRROR
5 sibling references
Q8C079Striatin-interacting protein 1
Mus musculus
837 aa; version 2
UniProt 2026_03
UNIPROT FETCH
3 sibling references
Q8C9H6Striatin-interacting proteins 2
Mus musculus
844 aa; version 1
UniProt 2026_03
UNIPROT FETCH
3 sibling references
Q9ULQ0Striatin-interacting protein 2
Homo sapiens
834 aa; version 2
UniProt 2026_03
UNIPROT FETCH
4 sibling references

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
4,638
matches
5,835
proteomes
2,743
taxa
7,250
structures
1
alphafold models
3,915
domain architectures
77

Classification basis

short name matches duf; name says unknown function; domain of unknown function

No scoring reasons supplied.

Related Mech records

FamilyMechRecordProteinLink basis
DUF3402 (PF11882)ProteinTraitsMechFAR/SIN/STRIPAK complexP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechcellular response to pheromoneP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechre-entry into mitotic cell cycle after pheromone arrestP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechregulation of TORC2 signalingP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminalP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminalQ5VSL9
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminalQ8C079
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminalQ8C9H6
Striatin-interacting proteins 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminalQ9ULQ0
Striatin-interacting protein 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, C-terminal
trait identifier
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, N-terminalP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, N-terminalQ5VSL9
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, N-terminalQ8C079
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, N-terminalQ8C9H6
Striatin-interacting proteins 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechFar11/STRP, N-terminalQ9ULQ0
Striatin-interacting protein 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechDomain of unknown function (DUF3402)P53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechDomain of unknown function (DUF3402)Q5VSL9
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechDomain of unknown function (DUF3402)Q9ULQ0
Striatin-interacting protein 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechDomain of unknown function (DUF3402)
trait identifier
DUF3402 (PF11882)ProteinTraitsMechN1221-like proteinP53917
Factor arrest protein 11
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechN1221-like proteinQ5VSL9
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechN1221-like proteinQ8C079
Striatin-interacting protein 1
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechN1221-like proteinQ8C9H6
Striatin-interacting proteins 2
canonical example family classification
DUF3402 (PF11882)ProteinTraitsMechN1221-like proteinQ9ULQ0
Striatin-interacting protein 2
canonical example family classification

Curation history and reviews

No retained curation events supplied.

No retained review supplied.

Record source

data/families/PF11882.yaml
Family YAML in this build

Download this family (JSON)

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.