DUFMech

All families / PF11934

PF11934: DUF3452

Domain of unknown function (DUF3452)

Curation status
SEEDED
Seed status
UNKNOWN CANDIDATE
Characterization
UNSCORED

Grounding

PF11934: Domain of unknown function (DUF3452)
IPR024599: integrated entry for Domain of unknown function (DUF3452)

Source description

This presumed domain is functionally uncharacterised. This domain is found in eukaryotes. This domain is typically between 124 to 150 amino acids in length. This domain is found associated with PF01858 (Pfam entry), PF01857 (Pfam entry). This domain has a single completely conserved residue W that may be functionally important.

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
G5EDT1Retinoblastoma-like protein homolog lin-35
Caenorhabditis elegans
961 aa; version 1
UniProt 2026_03
UNIPROT FETCH
12 sibling references
P06400Retinoblastoma-associated protein
Homo sapiens
928 aa; version 2
UniProt 2026_03
PTM REGISTRY MIRROR
2 sibling references
P28749Retinoblastoma-like protein 1
Homo sapiens
1068 aa; version 3
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q08999Retinoblastoma-like protein 2
Homo sapiens
1139 aa; version 3
UniProt 2026_03
UNIPROT FETCH
1 sibling references
Q24472Retinoblastoma family protein
Drosophila melanogaster
845 aa; version 2
UniProt 2026_03
UNIPROT FETCH
15 sibling references
Q9LKZ3Retinoblastoma-related protein 1
Arabidopsis thaliana
1013 aa; version 1
UniProt 2026_03
UNIPROT FETCH
20 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
5,112
matches
5,123
proteomes
1,687
taxa
5,318
structures
2
alphafold models
4,435
domain architectures
53

Classification basis

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

No scoring reasons supplied.

Related Mech records

FamilyMechRecordProteinLink basis
DUF3452 (PF11934)ProteinTraitsMechDRM complexQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechDRM complexQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechMyb complexQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRb-E2F complexQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechdouble fertilization forming a zygote and endospermQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMecheggshell chorion gene amplificationQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechembryo sac developmentQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechendomitotic cell cycleQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechendosperm developmentQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechgametophyte developmentQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechgenerative cell differentiationQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechguard cell fate commitmentQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechhomologous chromosome pairing at meiosisQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of cell cycle G1/S phase transitionG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of DNA endoreduplicationG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of DNA replicationQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of transcription by RNA polymerase IG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of transcription by RNA polymerase IIIQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechnegative regulation of vulval developmentG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechpalisade mesophyll developmentQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechpositive regulation of brood sizeG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechregulation of chromosome segregationQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechregulation of DNA endoreduplicationQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechregulation of execution phase of apoptosisQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechregulation of nuclear divisionQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechregulation of stem cell population maintenanceQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechtrichome morphogenesisQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechCYCLIN_AtRBR_likeQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechCYCLIN_RB-likeG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechCYCLIN_RB-likeQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, A-boxG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, A-boxQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, A-boxQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, B-boxG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, B-boxQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, B-boxQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, N-terminalG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, N-terminalQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, N-terminalQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein, N-terminal
trait identifier
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein A domainG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein A domainQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein A domainQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein B domainG5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein B domainQ24472
Retinoblastoma family protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechRetinoblastoma-associated protein B domainQ9LKZ3
Retinoblastoma-related protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechDomain of unknown function (DUF3452)P06400
Retinoblastoma-associated protein
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechDomain of unknown function (DUF3452)P28749
Retinoblastoma-like protein 1
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechDomain of unknown function (DUF3452)Q08999
Retinoblastoma-like protein 2
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechDomain of unknown function (DUF3452)
trait identifier
DUF3452 (PF11934)ProteinTraitsMechCATH homologous superfamily 1.10.472.140G5EDT1
Retinoblastoma-like protein homolog lin-35
canonical example family classification
DUF3452 (PF11934)ProteinTraitsMechCATH homologous superfamily 1.10.472.140Q24472
Retinoblastoma family protein
canonical example family classification

Curation history and reviews

No retained curation events supplied.

No retained review supplied.

Record source

data/families/PF11934.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.