DUFMech

All families / PF12001

PF12001: DUF3496

Domain of unknown function (DUF3496)

Curation status
SEEDED
Seed status
UNKNOWN CANDIDATE
Characterization
UNSCORED

Grounding

PF12001: Domain of unknown function (DUF3496)
IPR021885: integrated entry for Domain of unknown function (DUF3496)

Source description

This presumed domain is functionally uncharacterised. This domain is found in eukaryotes. This domain is about 110 amino acids in length.

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

6 verified sequence examples. FASTA

UniProtProtein / organismSequenceProvenance
A2A2Z9Ankyrin repeat domain-containing protein 18B
Homo sapiens
1011 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
A2RUR9Coiled-coil domain-containing protein 144A
Homo sapiens
1427 aa; version 1
UniProt 2026_03
PTM REGISTRY MIRROR
4 sibling references
Q811D2Ankyrin repeat domain-containing protein 26
Mus musculus
1581 aa; version 2
UniProt 2026_03
UNIPROT FETCH
3 sibling references
Q8IVF6Ankyrin repeat domain-containing protein 18A
Homo sapiens
992 aa; version 3
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q8IYA2Putative coiled-coil domain-containing protein 144C
Homo sapiens
1237 aa; version 3
UniProt 2026_03
UNIPROT FETCH
2 sibling references
Q9UPS8Ankyrin repeat domain-containing protein 26
Homo sapiens
1710 aa; version 4
UniProt 2026_03
UNIPROT FETCH
3 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
1,781
matches
1,811
proteomes
515
taxa
1,772
structures
0
alphafold models
526
domain architectures
83

Classification basis

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

No scoring reasons supplied.

Related Mech records

FamilyMechRecordProteinLink basis
DUF3496 (PF12001)ProteinTraitsMechCCDC144C-like, coiled-coil domainA2RUR9
Coiled-coil domain-containing protein 144A
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechCCDC144C-like, coiled-coil domainQ811D2
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechCCDC144C-like, coiled-coil domainQ8IYA2
Putative coiled-coil domain-containing protein 144C
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496A2A2Z9
Ankyrin repeat domain-containing protein 18B
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496A2RUR9
Coiled-coil domain-containing protein 144A
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496Q811D2
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496Q8IVF6
Ankyrin repeat domain-containing protein 18A
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496Q8IYA2
Putative coiled-coil domain-containing protein 144C
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496Q9UPS8
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function DUF3496
trait identifier
DUF3496 (PF12001)ProteinTraitsMechCCDC144C protein coiled-coil regionQ9UPS8
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function (DUF3496)A2RUR9
Coiled-coil domain-containing protein 144A
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function (DUF3496)Q811D2
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function (DUF3496)Q9UPS8
Ankyrin repeat domain-containing protein 26
canonical example family classification
DUF3496 (PF12001)ProteinTraitsMechDomain of unknown function (DUF3496)
trait identifier

Curation history and reviews

No retained curation events supplied.

No retained review supplied.

Record source

data/families/PF12001.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.