PHF20L1
PHD finger protein 20-like protein 1
Also known as: CGI-72, FLJ13649, FLJ21615, MGC64923, P20L1_HUMAN, TDRD20B
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- A8MW92
- Gene
- PHF20L1
- Ensembl
- ENSG00000129292
- Chromosome
- 8
- Canonical length
- 1017 aa
- Protein class
- Predicted intracellular proteins
- Subcellular location
- Nucleoplasm,Plasma membrane
OverviewNCBI Gene
Enables methylation-dependent protein binding activity. Involved in negative regulation of proteasomal ubiquitin-dependent protein catabolic process. Predicted to be located in nucleoplasm. Predicted to be part of NSL complex. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
1017 residues, UniProt reviewed canonical sequence.
>A8MW92|PHF20L1
1 MSKKPPNRPG ITFEIGARLE ALDYLQKWYP SRIEKIDYEE GKMLVHFERW SHRYDEWIYW
61 DSNRLRPLER PALRKEGLKD EEDFFDFKAG EEVLARWTDC RYYPAKIEAI NKEGTFTVQF
121 YDGVIRCLKR MHIKAMPEDA KGQVKSQHPL SWCCPIDPAG SCNQSMGSED WIALVKAAAA
181 AAAKNKTGSK PRTSANSNKD KDKDERKWFK VPSKKEETST CIATPDVEKK EDLPTSSETF
241 GLHVENVPKM VFPQPESTLS NKRKNNQGNS FQAKRARLNK ITGLLASKAV GVDGAEKKED
301 YNETAPMLEQ AISPKPQSQK KNEADISSSA NTQKPALLSS TLSSGKARSK KCKHESGDSS
361 GCIKPPKSPL SPELIQVEDL TLVSQLSSSV INKTSPPQPV NPPRPFKHSE RRRRSQRLAT
421 LPMPDDSVEK VSSPSPATDG KVFSISSQNQ QESSVPEVPD VAHLPLEKLG PCLPLDLSRG
481 SEVTAPVASD SSYRNECPRA EKEDTQMLPN PSSKAIADGR GAPAAAGISK TEKKVKLEDK
541 SSTAFGKRKE KDKERREKRD KDHYRPKQKK KKKKKKKSKQ HDYSDYEDSS LEFLERCSSP
601 LTRSSGSSLA SRSMFTEKTT TYQYPRAILS VDLSGENLSD VDFLDDSSTE SLLLSGDEYN
661 QDFDSTNFEE SQDEDDALNE IVRCICEMDE ENGFMIQCEE CLCWQHSVCM GLLEESIPEQ
721 YICYICRDPP GQRWSAKYRY DKEWLNNGRM CGLSFFKENY SHLNAKKIVS THHLLADVYG
781 VTEVLHGLQL KIGILKNKHH PDLHLWACSG KRKDQDQIIA GVEKKIAQDT VNREEKKYVQ
841 NHKEPPRLPL KMEGTYITSE HSYQKPQSFG QDCKSLADPG SSDDDDVSSL EEEQEFHMRS
901 KNSLQYSAKE HGMPEKNPAE GNTVFVYNDK KGTEDPGDSH LQWQLNLLTH IENVQNEVTS
961 RMDLIEKEVD VLESWLDFTG ELEPPDPLAR LPQLKRHIKQ LLIDMGKVQQ IATLCSVLocalizationUniProt · AlphaFold · HPA
Whether an antibody against PHF20L1 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)
- 0.59
- Highest tissue expression
- 24 nTPM
Expression across tissuesHPA
Tissue
- thymus: 24 nTPM
- bone marrow: 24 nTPM
- thyroid gland: 21 nTPM
- tongue: 17 nTPM
- heart muscle: 16 nTPM
- skeletal muscle: 16 nTPM
Single-cell type
- neutrophils: 1,313 nCPM
- neutrophil progenitors: 540 nCPM
- platelets: 237 nCPM
- monocytes: 197 nCPM
- pituicytes/fscs: 194 nCPM
- somatotrophs: 187 nCPM
Immune cell
- neutrophil: 13 nTPM
- eosinophil: 7 nTPM
- classical monocyte: 3.9 nTPM
- myeloid DC: 3.6 nTPM
- non-classical monocyte: 3.6 nTPM
- basophil: 3.5 nTPM
Brain region
- cerebral cortex: 35 nTPM
- cerebellum: 32 nTPM
- choroid plexus: 32 nTPM
- white matter: 31 nTPM
- basal ganglia: 31 nTPM
- hippocampal formation: 28 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)
- 0.19
- gnomAD pLI
- 1
- gnomAD missense Z
- 1.85
- DepMap mean gene effect
- 0.04
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 17% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- negative regulation of proteasomal ubiquitin-dependent protein catabolic process
- negative regulation of protein catabolic process
- regulation of transcription by RNA polymerase II
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Tudor domain
- Zinc finger, FYVE/PHD-type
- Zinc finger, RING/FYVE/PHD-type
- Zinc finger, PHD-type, conserved site
- Lysine-specific demethylase 4-like, Tudor domain
- PHD finger protein 20-like
- Jumonji domain-containing protein 2A Tudor domain
- PhD finger domain
- Agenet domain, plant type
- PHD finger protein 20-like protein 1, Tudor domain
- PHD finger protein 20-like protein 1
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of PHF20L1 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 PHF20L1 as an antibody target. Whether an autoantibody or antibody against PHF20L1 could matter depends on whether native PHF20L1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
PHF20L1 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 PHF20L1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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