DUFMech

All families / PF09743

PF09743: E3_UFM1_ligase

E3 UFM1-protein ligase 1

Curation status
SEEDED
Seed status
EX DUF
Characterization
UNSCORED

Grounding

PF09743: E3 UFM1-protein ligase 1
IPR056579: integrated entry for E3 UFM1-protein ligase 1

Source description

The ubiquitin fold modifier 1 (Ufm1) is the most recently discovered ubiquitin-like modifier whose conjugation (ufmylation) system is conserved in multicellular organisms. Ufm1 is known to covalently attach with cellular protein(s) via a specific E1-activating enzyme (Uba5), an E2-conjugating enzyme (Ufc1), and a E3-ligating enzyme [InterPro reference PUB00054168].

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

7 verified sequence examples. FASTA

UniProtProtein / organismSequenceProvenance
A1A4I9E3 UFM1-protein ligase 1
Bos taurus
792 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
B2GV24E3 UFM1-protein ligase 1
Rattus norvegicus
793 aa; version 1
UniProt 2026_03
UNIPROT FETCH
1 sibling references
O94874E3 UFM1-protein ligase 1
Homo sapiens
794 aa; version 2
UniProt 2026_03
PTM REGISTRY MIRROR
23 sibling references
Q17750E3 UFM1-protein ligase 1 homolog
Caenorhabditis elegans
735 aa; version 1
UniProt 2026_03
UNIPROT FETCH
8 sibling references
Q8CCJ3E3 UFM1-protein ligase 1
Mus musculus
793 aa; version 2
UniProt 2026_03
UNIPROT FETCH
28 sibling references
Q9LX73E3 UFM1-protein ligase 1 homolog
Arabidopsis thaliana
804 aa; version 1
UniProt 2026_03
UNIPROT FETCH
8 sibling references
Q9VI55E3 UFM1-protein ligase 1 homolog
Drosophila melanogaster
782 aa; version 1
UniProt 2026_03
UNIPROT FETCH
7 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
2,665
matches
2,720
proteomes
1,831
taxa
5,753
structures
9
alphafold models
2,313
domain architectures
71

Classification basis

pfam previous unknown name

No scoring reasons supplied.

Related Mech records

This family joined the worklist after the frozen cross-Mech scan, so other Mechs were not searched for it. Missing links here are not evidence that other Mechs lack it; rows shown come from mentions of a former DUF/UPF name.

No cross-Mech examples are present in the supplied snapshot.

Curation history and reviews

No retained curation events supplied.

No retained review supplied.

Record source

data/families/PF09743.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.