SNORD99

Summary

SNORD99 (small nucleolar RNA, C/D box 99, HGNC:32762) is a small nucleolar RNA gene on chromosome 1p35.3.

Predicted to be involved in RNA processing. Predicted to be located in nucleolus.

Source: NCBI Gene 692212 — RefSeq curated summary.

At a glance

• Gene type: non-coding (snoRNA) — no protein product; not a drug target. Variant/disease associations are omitted (they would be positional, from an overlapping protein-coding gene).

Identifiers

Gene identifiers

Field	Value
HGNC ID	HGNC:32762
Approved symbol	SNORD99
Name	small nucleolar RNA, C/D box 99
Location	1p35.3
Locus type	RNA, small nucleolar
Status	Approved
Aliases	HBII-420
Ensembl gene	ENSG00000221539
Ensembl biotype	snoRNA
Entrez	692212
RNAcentral	URS000075A722 — snoRNA, 80 nt, 1 organism(s)

Gene structure

Transcript identifiers

Ensembl transcripts: 1 — 1 snoRNA

ENST00000408612

RefSeq mRNA: 0 — MANE Select: None

Canonical transcript exons

ENST00000408612 — 1 exons

Exon	Start	End
ENSE00001565247	28578749	28578822

Expression profiles

Bgee: expression breadth ubiquitous, 116 present calls, max score 99.80.

FANTOM5 (CAGE): breadth tissue_specific, TPM avg 0.2411 / max 27.0833, expressed in 76 samples.

FANTOM5 promoters (1 alternative TSS)

Promoter ID	TPM avg	Samples expressed
11355	0.2411	76

Top tissues by expression

116 total, by Bgee expression score (0-100, higher = more expressed):

Tissue	Anatomy ID	Expression score	Quality
sural nerve	UBERON:0015488	99.80	gold quality
lower esophagus mucosa	UBERON:0035834	98.47	gold quality
primordial germ cell in gonad	CL:0000670 ∩ UBERON:0000991	98.37	gold quality
vermiform appendix	UBERON:0001154	97.47	gold quality
granulocyte	CL:0000094	97.14	gold quality
duodenum	UBERON:0002114	96.18	gold quality
mucosa of transverse colon	UBERON:0004991	96.01	gold quality
endometrium	UBERON:0001295	93.03	gold quality
spleen	UBERON:0002106	92.79	gold quality
right ovary	UBERON:0002118	92.49	gold quality
prefrontal cortex	UBERON:0000451	92.39	gold quality
esophagus mucosa	UBERON:0002469	92.32	gold quality
minor salivary gland	UBERON:0001830	91.98	gold quality
cerebellar hemisphere	UBERON:0002245	91.92	gold quality
left ovary	UBERON:0002119	91.80	gold quality
right hemisphere of cerebellum	UBERON:0014890	91.80	gold quality
saliva-secreting gland	UBERON:0001044	91.64	gold quality
placenta	UBERON:0001987	91.58	gold quality
metanephros cortex	UBERON:0010533	91.50	gold quality
vagina	UBERON:0000996	91.41	gold quality
skeletal muscle tissue	UBERON:0001134	91.15	gold quality
ovary	UBERON:0000992	91.14	gold quality
adrenal tissue	UBERON:0018303	91.09	gold quality
transverse colon	UBERON:0001157	91.00	gold quality
ectocervix	UBERON:0012249	90.98	gold quality
C1 segment of cervical spinal cord	UBERON:0006469	90.93	gold quality
prostate gland	UBERON:0002367	90.77	gold quality
small intestine	UBERON:0002108	90.64	gold quality
small intestine Peyer’s patch	UBERON:0003454	90.47	gold quality
endocervix	UBERON:0000458	90.38	gold quality

Single-cell (SCXA)

Detected in 1 experiment(s), a significant marker in 1.

Experiment	Marker?	Max mean expression
E-ANND-3	yes	5.39

Regulation

Is transcription factor: no

Cross-species orthologs

3 orthologs

Organism	Symbol	Gene ID
danio_rerio		ENSDARG00000081580
mus_musculus	Snord99	ENSMUSG00000080615
rattus_norvegicus	Snord99	ENSRNOG00000070286

Protein

Non-coding RNA — no protein product; not a drug target.

Function

No curated pathway, Gene-Ontology, or interaction data.

Disease & clinical

No curated disease, variant, or cancer-driver associations.

Drugs & pharmacology

No drug or pharmacology data — not an established drug target.