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This gene encodes a protein belonging to the spermidine/spermin synthase family and catalyzes the production of spermine from spermidine. Pseudogenes of this gene are located on chromosomes 1, 5, 6 and X. Mutations in this gene cause an X-linked intellectual disability called Snyder-Robinson Syndrome (SRS). Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]
SMS (Spermine Synthase) is a Protein Coding gene. Diseases associated with SMS include Mental Retardation, X-Linked, Syndromic, Snyder-Robinson Type and Syndromic X-Linked Intellectual Disability Snyder Type. Among its related pathways are Viral mRNA Translation and Glutathione metabolism. Gene Ontology (GO) annotations related to this gene include spermidine synthase activity and spermine synthase activity. An important paralog of this gene is SRM.
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0016740 | transferase activity | IEA | -- |
GO:0016768 | spermine synthase activity | IEA,TAS | -- |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005829 | cytosol | TAS | -- |
GO:0070062 | extracellular exosome | HDA | 23533145 |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | Metabolism |
.40
|
|
2 | Urea cycle and metabolism of amino groups | ||
3 | Arginine and proline metabolism | ||
4 | Sulfur amino acid metabolism | ||
5 | Glutathione metabolism |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0006555 | methionine metabolic process | TAS | 7546290 |
GO:0006595 | polyamine metabolic process | TAS | -- |
GO:0006596 | polyamine biosynthetic process | IEA | -- |
GO:0006597 | spermine biosynthetic process | IEA | -- |
GO:0008215 | spermine metabolic process | IEA | -- |
Name | Synonyms | Role | CAS Number | PubChem IDs | PubMed IDs | |
---|---|---|---|---|---|---|
1,3-diaminopropane |
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109-76-2 | ||||
N1-acetylspermine |
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25593-72-0 |
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|||
Norspermidine |
|
56-18-8 |
|
|||
S-Adenosylmethioninamine |
|
22365-13-5 |
|
This gene was present in the common ancestor of animals and fungi.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
Chimpanzee (Pan troglodytes) |
Mammalia | SMS 30 |
|
||
Dog (Canis familiaris) |
Mammalia | SMS 30 31 |
|
OneToOne | |
Cow (Bos Taurus) |
Mammalia | SMS 30 31 |
|
OneToOne | |
Rat (Rattus norvegicus) |
Mammalia | Sms 30 |
|
||
Mouse (Mus musculus) |
Mammalia | Sms 30 17 31 |
|
OneToOne | |
Sms-ps 17 |
|
|
|||
Oppossum (Monodelphis domestica) |
Mammalia | -- 31 |
|
OneToMany | |
-- 31 |
|
OneToMany | |||
Platypus (Ornithorhynchus anatinus) |
Mammalia | SMS 31 |
|
OneToOne | |
Chicken (Gallus gallus) |
Aves | SMS 30 31 |
|
OneToOne | |
Lizard (Anolis carolinensis) |
Reptilia | -- 31 |
|
OneToMany | |
-- 31 |
|
OneToMany | |||
Tropical Clawed Frog (Silurana tropicalis) |
Amphibia | sms 30 |
|
||
Zebrafish (Danio rerio) |
Actinopterygii | sms 30 31 |
|
OneToOne | |
LOC80872 30 |
|
||||
African malaria mosquito (Anopheles gambiae) |
Insecta | AgaP_AGAP005325 30 |
|
||
Fruit Fly (Drosophila melanogaster) |
Insecta | CG4300 30 31 32 |
|
OneToOne | |
Baker's yeast (Saccharomyces cerevisiae) |
Saccharomycetes | SPE4 31 |
|
OneToOne | |
Sea Squirt (Ciona savignyi) |
Ascidiacea | -- 31 |
|
OneToMany | |
-- 31 |
|
OneToMany | |||
Sea Vase (Ciona intestinalis) |
Ascidiacea | Cin.4694 30 |
|
SNP ID | Clinical significance and condition | Chr 0X pos | Variation | AA Info | Type |
---|---|---|---|---|---|
620039 | Likely Pathogenic: Smith-Magenis syndrome | 21,978,035(+) |
T/G NM_004595.5(SMS):c.581T>G (p.Val194Gly) |
MISSENSE | |
827761 | Pathogenic: Syndromic X-linked intellectual disability Snyder type | 21,978,062(+) |
G/A NM_004595.5(SMS):c.608G>A (p.Gly203Asp) |
MISSENSE | |
839310 | Uncertain Significance: not provided | 21,984,397(+) |
A/G NM_004595.5(SMS):c.844A>G (p.Ile282Val) |
MISSENSE | |
915295 | Uncertain Significance: Syndromic X-linked intellectual disability Snyder type | 21,940,837(+) |
C/G NM_004595.5(SMS):c.13C>G (p.Arg5Gly) |
MISSENSE | |
916028 | Likely Pathogenic: Syndromic X-linked intellectual disability Snyder type | 21,977,141(+) |
A/G NM_004595.5(SMS):c.410A>G (p.Asp137Gly) |
MISSENSE |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
esv3573638 | CNV | loss | 25503493 |
esv3573639 | CNV | loss | 25503493 |
nsv1139393 | CNV | deletion | 24896259 |
nsv1145287 | CNV | deletion | 24896259 |
nsv425472 | CNV | deletion | 16902084 |
nsv6832 | CNV | deletion | 18451855 |
nsv819785 | CNV | loss | 19587683 |
Disorder | Aliases | PubMed IDs |
---|---|---|
mental retardation, x-linked, syndromic, snyder-robinson type |
|
|
syndromic x-linked intellectual disability snyder type |
|
|
disease of mental health |
|
|
alacrima, achalasia, and mental retardation syndrome |
|
|
smith-magenis syndrome |
|
|