DUFMech

All families / PF13334

PF13334: DUF4094

Domain of unknown function (DUF4094)

Curation status
SEEDED
Seed status
UNKNOWN CANDIDATE
Characterization
UNSCORED

Grounding

PF13334: Domain of unknown function (DUF4094)
IPR025298: integrated entry for Domain of unknown function (DUF4094)

Source description

This domain is found in plant proteins that often carry a galactosyltransferase domain, PF01762 (Pfam entry), at their C-terminus.

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

9 verified sequence examples. FASTA

UniProtProtein / organismSequenceProvenance
A8MRC7Probable beta-1,3-galactosyltransferase 2
Arabidopsis thaliana
407 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q5XEZ1Hydroxyproline O-galactosyltransferase HPGT3
Arabidopsis thaliana
346 aa; version 1
UniProt 2026_03
UNIPROT FETCH
4 sibling references
Q6NQB7Beta-1,3-galactosyltransferase 7
Arabidopsis thaliana
393 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q8LEJ9Probable beta-1,3-galactosyltransferase 4
Arabidopsis thaliana
407 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q94A05Hydroxyproline O-galactosyltransferase HPGT2
Arabidopsis thaliana
345 aa; version 1
UniProt 2026_03
UNIPROT FETCH
4 sibling references
Q94F27Hydroxyproline O-galactosyltransferase HPGT1
Arabidopsis thaliana
338 aa; version 1
UniProt 2026_03
UNIPROT FETCH
8 sibling references
Q9C809Probable beta-1,3-galactosyltransferase 8
Arabidopsis thaliana
395 aa; version 1
UniProt 2026_03
UNIPROT FETCH
3 sibling references
Q9LM60Probable beta-1,3-galactosyltransferase 5
Arabidopsis thaliana
398 aa; version 1
UniProt 2026_03
UNIPROT FETCH
2 sibling references
Q9MAP8Beta-1,6-galactosyltransferase GALT31A
Arabidopsis thaliana
399 aa; version 1
UniProt 2026_03
UNIPROT FETCH
2 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
5,074
matches
5,097
proteomes
381
taxa
1,069
structures
0
alphafold models
4,046
domain architectures
75

Classification basis

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

No scoring reasons supplied.

Related Mech records

FamilyMechRecordProteinLink basis
DUF4094 (PF13334)ProteinTraitsMechGolgi membraneQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechbeta-1,3-galactosyltransferase activityQ6NQB7
Beta-1,3-galactosyltransferase 7
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechbeta-1,3-galactosyltransferase activityQ9C809
Probable beta-1,3-galactosyltransferase 8
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechbeta-1,3-galactosyltransferase activityQ9LM60
Probable beta-1,3-galactosyltransferase 5
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechgalactosyltransferase activityQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechhydroxyproline O-galactosyltransferase activityQ5XEZ1
Hydroxyproline O-galactosyltransferase HPGT3
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechhydroxyproline O-galactosyltransferase activityQ94A05
Hydroxyproline O-galactosyltransferase HPGT2
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechhydroxyproline O-galactosyltransferase activityQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMecharabinogalactan protein metabolic processQ5XEZ1
Hydroxyproline O-galactosyltransferase HPGT3
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMecharabinogalactan protein metabolic processQ94A05
Hydroxyproline O-galactosyltransferase HPGT2
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMecharabinogalactan protein metabolic processQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechnon-classical arabinogalactan protein metabolic processQ9C809
Probable beta-1,3-galactosyltransferase 8
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechpollen wall assemblyQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechprotein O-linked glycosylation via galactoseQ94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094A8MRC7
Probable beta-1,3-galactosyltransferase 2
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q5XEZ1
Hydroxyproline O-galactosyltransferase HPGT3
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q8LEJ9
Probable beta-1,3-galactosyltransferase 4
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q94A05
Hydroxyproline O-galactosyltransferase HPGT2
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q9C809
Probable beta-1,3-galactosyltransferase 8
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q9LM60
Probable beta-1,3-galactosyltransferase 5
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094Q9MAP8
Beta-1,6-galactosyltransferase GALT31A
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function DUF4094
trait identifier
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function (DUF4094)Q5XEZ1
Hydroxyproline O-galactosyltransferase HPGT3
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function (DUF4094)Q94A05
Hydroxyproline O-galactosyltransferase HPGT2
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function (DUF4094)Q9MAP8
Beta-1,6-galactosyltransferase GALT31A
canonical example family classification
DUF4094 (PF13334)ProteinTraitsMechDomain of unknown function (DUF4094)
trait identifier
DUF4094 (PF13334)ProteinTraitsMechCATH homologous superfamily 3.90.550.50Q94F27
Hydroxyproline O-galactosyltransferase HPGT1
canonical example family classification

Curation history and reviews

No retained curation events supplied.

No retained review supplied.

Record source

data/families/PF13334.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.