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Reviewed, UniProtKB/Swiss-Prot P07949 (RET_HUMAN)

Last modified November 25, 2008. Version 131. Feed History...

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Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Web resources · Cross-references · Entry information · Relevant documents

Names and origin

Protein namesRecommended name:
    Proto-oncogene tyrosine-protein kinase receptor ret
      Short name=C-ret
    EC=2.7.10.1
Gene names
Name: RET
Synonyms: CDHF12
OrganismHomo sapiens (Human)
Taxonomic identifier9606 [NCBI]
Taxonomic lineageEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo

Protein attributes

Sequence length1114 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level.

General annotation (Comments)

Function

Probable receptor with tyrosine-protein kinase activity; important for development.

Catalytic activity

ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate.

Subunit structure

Phosphorylated form interacts with the PBT domain of DOK2, DOK4 and DOK5 By similarity.

Subcellular location

Membrane; Single-pass type I membrane protein.

Post-translational modification

Phosphorylated.

Autophosphorylated on C-terminal tyrosine residues upon ligand stimulation.

Polymorphism

The Cys-982 polymorphism may be associated with an increased risk for developing Hirschsprung disease.

Involvement in disease

Defects in RET may be a cause of colorectal cancer (CRC) [MIM:114500].

Defects in RET are a cause of Hirschsprung disease (HSCR) [MIM:142623]. HSCR is a genetic disorder of neural crest development characterized by the absence of intramural ganglion cells in the hindgut, often resulting in intestinal obstruction. Occasionally, MEN2A or FMTC occur in association with HSCR.

Defects in RET are the cause of medullary thyroid carcinoma (MTC) [MIM:155240]. MTC is a rare tumor derived from the C cells of the thyroid. Three hereditary forms are known, that are transmitted in an autosomal dominant fashion: (a) multiple neoplasia type 2A (MEN2A), (b) multiple neoplasia type IIB (MEN2B) and (c) familial MTC (FMTC), which occurs in 25-30% of MTC cases and where MTC is the only clinical manifestation.

Defects in RET are the cause of multiple neoplasia type 2B (MEN2B) [MIM:162300]. MEN2B is an uncommon inherited cancer syndrome characterized by predisposition to MTC and phaeochromocytoma which is associated with marfanoid habitus, mucosal neuromas, skeletal and ophtalmic abnormalities, and ganglioneuromas of the intestine tract. Then the disease progresses rapidly with the development of metastatic MTC and a pheochromocytome in 50% of cases.

Defects in RET are a cause of pheochromocytoma [MIM:171300]. The pheochromocytomas are catecholamine-producing, chromaffin tumors that arise in the adrenal medulla in 90% of cases. In the remaining 10% of cases, they develop in extra-adrenal sympathetic ganglia and may be referred to as "paraganglioma." Pheochromocytoma usually presents with hypertension. Approximately 10% of pheochromocytoma is hereditary. The genetic basis for most cases of non-syndromic familial pheochromocytoma is unknown.

Defects in RET are the cause of multiple neoplasia type 2A (MEN2A) [MIM:171400]; also called multiple neoplasia type 2 (MEN2). MEN2A, the most frequent form of MTC, is an inherited cancer syndrome characterized by MTC, phaeochromocytoma and/or hyperparathyroidism.

Chromosomal aberrations involving RET are a cause of thyroid papillary carcinoma (PACT) [MIM:188550]. Inversion inv(10)(q11.2;q21) generates the RET/CCDC6 (PTC1) oncogene; inversion inv(10)(q11.2;q11.2) generates the RET/NCOA4 (PTC3) oncogene; translocation t(10;14)(q11;q32) with GOLGA5 generates the RET/GOLGA5 (PTC5) oncogene; translocation t(8;10)(p21.3;q11.2) with PCM1 generates the PCM1/RET fusion; translocation t(6;10)(p21.3;q11.2) with RFP generates the Delta RFP/RET oncogene; translocation t(1;10)(p13;q11) with TRIM33 generates the TRIM33/RET (PTC7) oncogene; translocation t(7;10)(q32;q11) with TIF1 generates the TIF1/RET (PTC6) oncogene. The PTC5 oncogene has been found in 2 cases of PACT in children exposed to radioactive fallout after Chernobyl.

Defects in RET are a cause of renal adysplasia [MIM:191830]; also known as renal agenesis or renal aplasia. Renal agenesis refers to the absence of one (unilateral) or both (bilateral) kidneys at birth. Bilateral renal agenesis belongs to a group of perinatally lethal renal diseases, including severe bilateral renal dysplasia, unilateral renal agenesis with contralateral dysplasia and severe obstructive uropathy.

Defects in RET are a cause of congenital central hypoventilation syndrome (CCHS) [MIM:209880]; also known as congenital failure of autonomic control or Ondine curse. CCHS is a rare disorder characterized by abnormal control of respiration in the absence of neuromuscular or lung disease, or an identifiable brain stem lesion. A deficiency in autonomic control of respiration results in inadequate or negligible ventilatory and arousal responses to hypercapnia and hypoxemia.

Sequence similarities

Belongs to the protein kinase superfamily. Tyr protein kinase family.

Contains 1 cadherin domain.

Contains 1 protein kinase domain.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 2828 Potential
Chain29 – 11141086Proto-oncogene tyrosine-protein kinase receptor ret
PRO_0000024450

Regions

Topological domain29 – 635607Extracellular Potential
Transmembrane636 – 65722 Potential
Topological domain658 – 1114457Cytoplasmic Potential
Domain168 – 272105Cadherin
Domain724 – 1016293Protein kinase
Nucleotide binding730 – 7389ATP By similarity

Sites

Active site8741Proton acceptor By similarity
Binding site7581ATP By similarity
Site712 – 7132Breakpoint for translocation to form PCM1-RET; RET-CCDC6; RET-GOLGA5; RET-TIF1 and RET-TRIM33 oncogenes

Amino acid modifications

Modified residue8061Phosphotyrosine; by autocatalysis
Modified residue8091Phosphotyrosine; by autocatalysis
Modified residue9001Phosphotyrosine; by autocatalysis
Modified residue9051Phosphotyrosine; by autocatalysis
Modified residue9811Phosphotyrosine; by autocatalysis
Modified residue10151Phosphotyrosine; by autocatalysis
Modified residue10621Phosphotyrosine; by autocatalysis
Modified residue10901Phosphotyrosine; by autocatalysis
Modified residue10961Phosphotyrosine; by autocatalysis
Glycosylation981N-linked (GlcNAc...) Potential
Glycosylation1511N-linked (GlcNAc...) Potential
Glycosylation1991N-linked (GlcNAc...) Potential
Glycosylation3361N-linked (GlcNAc...) Potential
Glycosylation3431N-linked (GlcNAc...) Potential
Glycosylation3611N-linked (GlcNAc...) Potential
Glycosylation3671N-linked (GlcNAc...) Potential
Glycosylation3771N-linked (GlcNAc...) Potential
Glycosylation3941N-linked (GlcNAc...) Potential
Glycosylation4481N-linked (GlcNAc...) Potential
Glycosylation4681N-linked (GlcNAc...) Potential
Glycosylation5541N-linked (GlcNAc...) Potential

Natural variations

Natural variant201P → L in HSCR; sporadic form.
VAR_009459
Natural variant321S → L in HSCR; familial form.
VAR_006295
Natural variant401L → P in HSCR.
VAR_009492
Natural variant641P → L in HSCR; familial form.
VAR_006296
Natural variant671R → H in CCHS.
VAR_018153
Natural variant771R → C in HSCR.
VAR_009460
Natural variant931G → S in HSCR; could be a rare polymorphism.
VAR_006297
Natural variant1141R → H in CCHS.
VAR_018154
Natural variant1421C → S in HSCR; sporadic form.
VAR_006298
Natural variant1451V → G in a colorectal cancer sample; somatic mutation.
VAR_035711
Natural variant1571C → Y in HSCR; could be a polymorphism.
VAR_009461
Natural variant1631R → Q in a colorectal adenocarcinoma sample; somatic mutation.
VAR_041762
Natural variant1741F → S in HSCR; sporadic form.
VAR_009462
Natural variant1801R → P in HSCR; sporadic form.
VAR_009463
Natural variant1971C → Y in HSCR; sporadic form.
VAR_009464
Natural variant1981P → T in renal adysplasia; prevents phosphorylation in response to GDNF.
VAR_044392
Natural variant2311R → H in HSCR; familial form.
VAR_006299
Natural variant2511E → K in HSCR; familial form.
VAR_006300
Natural variant2781T → N: dbSNP rs35118262.
VAR_041763
Natural variant2871R → Q in HSCR; sporadic form.
VAR_006301
Natural variant2921V → M: dbSNP rs34682185.
VAR_041764
Natural variant3131R → Q in HSCR; sporadic form.
VAR_009465
Natural variant3301R → Q in HSCR.
VAR_006302
Natural variant3591N → K in HSCR; could be a polymorphism.
VAR_009466
Natural variant3601R → W in HSCR.
VAR_009467
Natural variant3761V → A in renal adysplasia; constitutively phosphorylated; expressed only the immature intracellular form.
VAR_044393
Natural variant3931F → L in HSCR; familial form.
VAR_006303
Natural variant3941N → H in renal adysplasia; prevents phosphorylation in response to GDNF.
VAR_044394
Natural variant3941N → K in HSCR.
VAR_009468
Natural variant3991P → L in HSCR; sporadic form.
VAR_006304
Natural variant4321A → E in CCHS.
VAR_018155
Natural variant4751R → Q in HSCR; sporadic form.
VAR_006305
Natural variant4891D → N: dbSNP rs9282834.
VAR_018156
Natural variant5311C → CEEC in MTC; familial form.
VAR_009469
Natural variant5931G → E in a colorectal cancer sample; somatic mutation.
VAR_035712
Natural variant6001R → Q Probably a rare polymorphism.
VAR_008966
Natural variant6091C → G in MEN2A.
VAR_009470
Natural variant6091C → R in MEN2A.
VAR_009471
Natural variant6091C → W in HSCR; familial form.
VAR_006307
Natural variant6091C → Y in MTC, MEN2A and HSCR; familial and sporadic forms.
VAR_006306
Natural variant6111C → G in MTC; familial form.
VAR_009472
Natural variant6111C → R in MEN2A.
VAR_009473
Natural variant6111C → S in MEN2A.
VAR_009474
Natural variant6111C → W in MEN2A and MTC; familial form.
VAR_006308
Natural variant6111C → Y in MEN2A.
VAR_006309
Natural variant6181C → F in MEN2A and MTC; familial form.
VAR_006312
Natural variant6181C → G in MEN2A.
VAR_006310
Natural variant6181C → R in MEN2A, MTC and HSCR.
VAR_006311
Natural variant6181C → S in MEN2A, HSCR and MTC; familial and sporadic forms.
VAR_006313
Natural variant6181C → Y in MEN2A and MTC; familial form.
VAR_006314
Natural variant6201C → F in MEN2A and MTC; familial form.
VAR_006318
Natural variant6201C → G in MEN2A and MTC; familial and sporadic forms.
VAR_006315
Natural variant6201C → R in MEN2A, MTC and HSCR; familial and sporadic forms.
VAR_006316
Natural variant6201C → S in MEN2A and MTC; familial form.
VAR_006317
Natural variant6201C → W in MEN2A and HSCR.
VAR_009475