SAMD7
Sterile alpha motif domain-containing protein 7
Also known as: DKFZp686E1583, SAMD7_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q7Z3H4
- Gene
- SAMD7
- Ensembl
- ENSG00000187033
- Chromosome
- 3
- Canonical length
- 446 aa
- Protein class
- Predicted intracellular proteins
- Quaternary structure
- Homodimer
OverviewNCBI Gene
Predicted to enable DNA-binding transcription repressor activity, RNA polymerase II-specific; chromatin binding activity; and histone binding activity. Predicted to be involved in negative regulation of DNA-templated transcription; negative regulation of gene expression, epigenetic; and retinal rod cell development. Predicted to be located in cytoplasm. Predicted to be part of PRC1 complex. Predicted to be active in nucleus. Implicated in macular degeneration. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
446 residues, UniProt reviewed canonical sequence.
>Q7Z3H4|SAMD7
1 MAVNPLLTPT GQQTIPLIPS PFGPPTVDRD VLPSTVAPTD PRQFCVPSQF GSSVLPNTNM
61 ANVLSSRIYP GWGILPPESI KAVARRNEMI QRHHTARTEM EMYAIYQQRR MEKINPKGLA
121 GLGIPFLYGS SVPAAPAAYH GRSMLPAGDL HFHRSTLRNL QGNPMLAATA PHFEESWGQR
181 CRRLRKNTGN QKALDSDAES SKSQAEEKIL GQTHAVPYEE DHYAKDPDIE APSNQKSSET
241 NEKPTTALAN TCGELEPTHR KPWGSHTTTL KAKAWDDGKE EASEQIFATC DEKNGVCPPV
301 PRPSLPGTHA LVTIGGNLSL DEDIQKWTVD DVHSFIRSLP GCSDYAQVFK DHAIDGETLP
361 LLTEEHLRGT MGLKLGPALK IQSQVSQHVG SMFYKKTLSF PIRQAFDQPA DTSPLLDPNS
421 WSDTMNIFCP QDTIIPKGIE RGSMRNLocalizationUniProt · AlphaFold · HPA
Whether an antibody against SAMD7 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)
- 0.64
- Highest tissue expression
- 124 nTPM
Expression across tissuesHPA
Tissue
- retina: 124 nTPM
- lymph node: 0.1 nTPM
- testis: 0.1 nTPM
- tonsil: 0.1 nTPM
- adipose tissue: 0 nTPM
- adrenal gland: 0 nTPM
Single-cell type
- rod photoreceptor cells: 218 nCPM
- cone photoreceptor cells: 79 nCPM
- retinal horizontal cells: 10 nCPM
- retinal ganglion cells: 7.7 nCPM
- müller glia: 4.8 nCPM
- retinal pigment epithelial cells: 4.3 nCPM
Immune cell
- basophil: 0 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
- intermediate monocyte: 0 nTPM
- MAIT T-cell: 0 nTPM
Brain region
- cerebellum: 0.5 nTPM
- cerebral cortex: 0.5 nTPM
- hippocampal formation: 0.5 nTPM
- amygdala: 0.4 nTPM
- basal ganglia: 0.4 nTPM
- choroid plexus: 0.4 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about SAMD7.
Disease | AllUniProt
Conditions SAMD7 is implicated in, by any mechanism.
- Macular dystrophy with or without cone dysfunction (MDCD) MIM:620762
Disease | GeneticClinVar
6 pathogenic / likely-pathogenic of 69 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- MACULAR DYSTROPHY WITH CONE DYSFUNCTION
- Macular dystrophy with or without cone dysfunction
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)
- 1.06
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.18
- DepMap mean gene effect
- 0.01
- DepMap dependency class
- none
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
- negative regulation of DNA-templated transcription
- negative regulation of gene expression, epigenetic
- retinal rod cell development
Molecular functions
- chromatin binding
- DNA-binding transcription repressor activity, RNA polymerase II-specific
- histone binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of SAMD7 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 SAMD7 as an antibody target. Whether an autoantibody or antibody against SAMD7 could matter depends on whether native SAMD7 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
SAMD7 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 SAMD7 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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