All families / PF14309
PF14309: DUF4378
LONGIFOLIA 1/2-like C-terminal domain
- Curation status
- SEEDED
- Seed status
- KNOWN HISTORICAL DUF
- Characterization
- UNSCORED
Grounding
PF14309: LONGIFOLIA 1/2-like C-terminal domain
IPR025486: integrated entry for LONGIFOLIA 1/2-like C-terminal domain
Source description
This entry represents the C-terminal domain in Centrosome-associated protein 350 (Cep350), Protein TRM32 and Protein LONGIFOLIA 1/2 found in eukaryotes. This domain contains a helical fold. LNG2 in association with LNG1, regulates leaf morphology by promoting longitudinal polar cell elongation independently of ROT3. It associates with microtubules and recruits TON1A and TON1B to the cytoskeleton through its C-terminal [InterPro reference PUB00078481,InterPro reference PUB00095561].
Evidence and references
- InterPro entry and its literature references. PUB identifiers are internal InterPro references, not PubMed identifiers. Unresolved citations link to the originating entry.
- Frozen description source: InterPro/Pfam API
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
| UniProt | Protein / organism | Sequence | Provenance |
|---|---|---|---|
| E9Q309 | Centrosome-associated protein 350 Mus musculus | 3095 aa; version 1 UniProt 2026_03 | UNIPROT FETCH2 sibling references |
| F4HSD5 | Protein TRM32 Arabidopsis thaliana | 552 aa; version 1 UniProt 2026_03 | UNIPROT FETCH1 sibling references |
| Q5VT06 | Centrosome-associated protein 350 Homo sapiens | 3117 aa; version 1 UniProt 2026_03 | PTM REGISTRY MIRROR |
| Q9LF24 | Protein LONGIFOLIA 1 Arabidopsis thaliana | 927 aa; version 1 UniProt 2026_03 | PTM REGISTRY MIRROR |
| Q9S823 | Protein LONGIFOLIA 2 Arabidopsis thaliana | 905 aa; version 1 UniProt 2026_03 | UNIPROT FETCH2 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
- 12,694
- matches
- 12,713
- proteomes
- 676
- taxa
- 2,203
- structures
- 0
- alphafold models
- 9,735
- domain architectures
- 136
Classification basis
short name matches duf
No scoring reasons supplied.
Related Mech records
| Family | Mech | Record | Protein | Link basis |
|---|---|---|---|---|
| DUF4378 (PF14309) | ProteinTraitsMech | regulation of monopolar cell growth | Q9LF24 Protein LONGIFOLIA 1 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | regulation of monopolar cell growth | Q9S823 Protein LONGIFOLIA 2 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | E9Q309 Centrosome-associated protein 350 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | F4HSD5 Protein TRM32 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | Q5VT06 Centrosome-associated protein 350 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | Q9LF24 Protein LONGIFOLIA 1 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | Q9S823 Protein LONGIFOLIA 2 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like, C-terminal domain | trait identifier | |
| DUF4378 (PF14309) | ProteinTraitsMech | CAP-Gly domain | Q5VT06 Centrosome-associated protein 350 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like C-terminal domain | E9Q309 Centrosome-associated protein 350 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like C-terminal domain | Q5VT06 Centrosome-associated protein 350 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like C-terminal domain | Q9LF24 Protein LONGIFOLIA 1 | canonical example family classification |
| DUF4378 (PF14309) | ProteinTraitsMech | LONGIFOLIA 1/2-like C-terminal domain | trait identifier | |
| DUF4378 (PF14309) | ProteinTraitsMech | CAP-Gly domain signature | Q5VT06 Centrosome-associated protein 350 | 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.