LONRF2
LON peptidase N-terminal domain and RING finger protein 2
Also known as: FLJ45273, LONF2_HUMAN, RNF192
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q1L5Z9
- Gene
- LONRF2
- Ensembl
- ENSG00000170500
- Chromosome
- 2
- Canonical length
- 754 aa
- Protein class
- Predicted intracellular proteins
- Subcellular location
- Nucleoplasm
OverviewNCBI Gene
Predicted to enable misfolded protein binding activity; ribonucleoprotein complex binding activity; and ubiquitin protein ligase activity. Predicted to act upstream of or within several processes, including motor behavior; neuron differentiation; and protein quality control for misfolded or incompletely synthesized proteins. Predicted to be located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2025]
Canonical amino-acid sequenceUniProt
754 residues, UniProt reviewed canonical sequence.
>Q1L5Z9|LONRF2
1 MSPEPVPPPP PPQCPGCDRA EPIAQRLEEG DEAFRAGDYE MAAELFRSML AGLAQPDRGL
61 CLRLGDALAR AGRLPEALGA FRGAARLGAL RPEELEELAG GLVRAVGLRD RPLSAENPGG
121 EPEAPGEGGP APEPRAPRDL LGCPRCRRLL HKPVTLPCGL TVCKRCVEPG PARPQVRRVN
181 VVLSGLLEKC FPAECRLRRL AGQARSLQRQ QQPEAALLRC DQALELAPDD NSLLLLRAEL
241 YLTMKNYEQA LQDASAACQN EPLLIKGHQV KAQALSGLGR SKEVLKEFLY CLALNPECNS
301 VKKEAQKVMC EVLFSATANV HENLTSSIQS RLKAQGHSHM NAQALLEEGD AGSSENSSEK
361 SDMLGNTNSS VLYFILGLHF EEDKKALESI LPTAPSAGLK RQFPDDVEDA PDLNAPGKIP
421 KKDLSLQRSP NSETEESQGL SLDVTDFECA LCMRLLFEPV TTPCGHTFCL KCLERCLDHA
481 PHCPLCKDKL SELLASRNFN ITVLAEELIF RYLPDELSDR KRIYDEEMSE LSNLTRDVPI
541 FVCAMAFPTV PCPLHVFEPR YRLMIRRCME TGTKRFGMCL SAEHAGLSEY GCMLEIKDVR
601 TFPDGSSVVD AIGISRFRVL SHRHRDGYNT ADIEYLEDEK VEGPEYEELA ALHDSVHQQS
661 VSWFASLQDR MKEQILSHFG VMPDREPEPQ SNPSGPAWSW WILAVLPLER KAQLAILGMT
721 SLKERLLAIR RILVIITRKM NSRQELANAR ERNNLocalizationUniProt · AlphaFold · HPA
Whether an antibody against LONRF2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.35
- Highest tissue expression
- 41 nTPM
Expression across tissuesHPA
Tissue
- fallopian tube: 41 nTPM
- epididymis: 40 nTPM
- adrenal gland: 30 nTPM
- smooth muscle: 26 nTPM
- endometrium: 25 nTPM
- cerebellum: 24 nTPM
Single-cell type
- pituicytes/fscs: 1,796 nCPM
- adrenal cortex cells: 455 nCPM
- somatotrophs: 342 nCPM
- gonadotrophs: 290 nCPM
- epididymal principal cells: 270 nCPM
- lactotrophs: 249 nCPM
Immune cell
- basophil: 0.2 nTPM
- neutrophil: 0.2 nTPM
- NK-cell: 0.1 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
Brain region
- hypothalamus: 136 nTPM
- cerebral cortex: 104 nTPM
- basal ganglia: 91 nTPM
- amygdala: 82 nTPM
- hippocampal formation: 82 nTPM
- pons: 72 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.62
- gnomAD pLI
- 0
- gnomAD missense Z
- 2.05
- DepMap mean gene effect
- -0.06
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- motor behavior
- negative regulation of neuron apoptotic process
- neuromuscular process
- neuron apoptotic process
- neuron projection development
- protein quality control for misfolded or incompletely synthesized proteins
- spinal cord motor neuron differentiation
Molecular functions
- misfolded protein binding
- ribonucleoprotein complex binding
- ubiquitin protein ligase activity
- zinc ion binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Zinc finger, RING-type
- Lon protease, N-terminal domain
- Tetratricopeptide-like helical domain superfamily
- Zinc finger, RING/FYVE/PHD-type
- PUA-like superfamily
- Zinc finger, RING-type, conserved site
- Tetratricopeptide repeat
- Lon protease, N-terminal domain superfamily
- ATP-dependent protease La (LON) substrate-binding domain
- Tetratricopeptide repeat
- Zinc finger, C3HC4 type (RING finger)
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of LONRF2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads LONRF2 as an antibody target. Whether an autoantibody or antibody against LONRF2 could matter depends on whether native LONRF2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
LONRF2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label LONRF2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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