Name

SLC17A1 Gene

solute carrier family 17 (organic anion transporter), member 1

Predicted to enable transmembrane transporter activity. Involved in sodium-dependent phosphate transport; urate metabolic process; and urate transport. Located in apical plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC17A3 Gene

solute carrier family 17 (organic anion transporter), member 3

The protein encoded by this gene is a voltage-driven transporter that excretes intracellular urate and organic anions from the blood into renal tubule cells. Two transcript variants encoding different isoforms have been found for this gene. The longer isoform is a plasma membrane protein with transporter activity while the shorter isoform localizes to the endoplasmic reticulum. [provided by RefSeq, Aug 2012]

SLC22A2 Gene

solute carrier family 22 (organic cation transporter), member 2

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. It is found primarily in the kidney, where it may mediate the first step in cation reabsorption. [provided by RefSeq, Jul 2008]

OCTN3 Gene

organic cation transporter 3

SLCO2B1 Gene

solute carrier organic anion transporter family, member 2B1

This locus encodes a member of the organic anion-transporting polypeptide family of membrane proteins. The protein encoded by this locus may function in regulation of placental uptake of sulfated steroids. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2010]

SLCO1A2 Gene

solute carrier organic anion transporter family, member 1A2

This gene encodes a sodium-independent transporter which mediates cellular uptake of organic ions in the liver. Its substrates include bile acids, bromosulphophthalein, and some steroidal compounds. The protein is a member of the SLC21A family of solute carriers. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Dec 2008]

SLCO2A1 Gene

solute carrier organic anion transporter family, member 2A1

This gene encodes a prostaglandin transporter that is a member of the 12-membrane-spanning superfamily of transporters. The encoded protein may be involved in mediating the uptake and clearance of prostaglandins in numerous tissues. [provided by RefSeq, Dec 2011]

SLCO5A1 Gene

solute carrier organic anion transporter family, member 5A1

Predicted to enable sodium-independent organic anion transmembrane transporter activity. Predicted to be involved in sodium-independent organic anion transport. Located in intracellular membrane-bounded organelle and plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC22A18AS Gene

solute carrier family 22 (organic cation transporter), member 18 antisense

SLCO1C1 Gene

solute carrier organic anion transporter family, member 1C1

This gene encodes a member of the organic anion transporter family. The encoded protein is a transmembrane receptor that mediates the sodium-independent uptake of thyroid hormones in brain tissues. This protein has particularly high affinity for the thyroid hormones thyroxine, tri-iodothyronine and reverse tri-iodothyronine. Polymorphisms in the gene encoding this protein may be associated with fatigue and depression in patients suffering from hyperthyroidism. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2009]

SLC22A5 Gene

solute carrier family 22 (organic cation/carnitine transporter), member 5

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. The encoded protein is a plasma integral membrane protein which functions both as an organic cation transporter and as a sodium-dependent high affinity carnitine transporter. The encoded protein is involved in the active cellular uptake of carnitine. Mutations in this gene are the cause of systemic primary carnitine deficiency (CDSP), an autosomal recessive disorder manifested early in life by hypoketotic hypoglycemia and acute metabolic decompensation, and later in life by skeletal myopathy or cardiomyopathy. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Apr 2015]

SLCO6A1 Gene

solute carrier organic anion transporter family, member 6A1

Predicted to enable sodium-independent organic anion transmembrane transporter activity. Predicted to be involved in sodium-independent organic anion transport. Predicted to be located in plasma membrane. Predicted to be part of CatSper complex. Predicted to be active in basolateral plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC22A4 Gene

solute carrier family 22 (organic cation/zwitterion transporter), member 4

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. The encoded protein is an organic cation transporter and plasma integral membrane protein containing eleven putative transmembrane domains as well as a nucleotide-binding site motif. Transport by this protein is at least partially ATP-dependent. [provided by RefSeq, Jul 2008]

SLC22A6 Gene

solute carrier family 22 (organic anion transporter), member 6

The protein encoded by this gene is involved in the sodium-dependent transport and excretion of organic anions, some of which are potentially toxic. The encoded protein is an integral membrane protein and may be localized to the basolateral membrane. Four transcript variants encoding four different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

SLC22A7 Gene

solute carrier family 22 (organic anion transporter), member 7

The protein encoded by this gene is involved in the sodium-independent transport and excretion of organic anions, some of which are potentially toxic. The encoded protein is an integral membrane protein and appears to be localized to the basolateral membrane of the kidney. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

SLC22A3 Gene

solute carrier family 22 (organic cation transporter), member 3

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. [provided by RefSeq, Jul 2008]

SLC22A9 Gene

solute carrier family 22 (organic anion transporter), member 9

Enables short-chain fatty acid transmembrane transporter activity and sodium-independent organic anion transmembrane transporter activity. Involved in hormone transport; short-chain fatty acid transmembrane transport; and sodium-independent organic anion transport. Located in basolateral plasma membrane. Implicated in Lynch syndrome and mismatch repair cancer syndrome. [provided by Alliance of Genome Resources, Mar 2025]

SLCO1B1 Gene

solute carrier organic anion transporter family, member 1B1

This gene encodes a liver-specific member of the organic anion transporter family. The encoded protein is a transmembrane receptor that mediates the sodium-independent uptake of numerous endogenous compounds including bilirubin, 17-beta-glucuronosyl estradiol and leukotriene C4. This protein is also involved in the removal of drug compounds such as statins, bromosulfophthalein and rifampin from the blood into the hepatocytes. Polymorphisms in the gene encoding this protein are associated with impaired transporter function. [provided by RefSeq, Mar 2009]

SLCO4C1 Gene

solute carrier organic anion transporter family, member 4C1

SLCO4C1 belongs to the organic anion transporter (OATP) family. OATPs are involved in the membrane transport of bile acids, conjugated steroids, thyroid hormone, eicosanoids, peptides, and numerous drugs in many tissues (Mikkaichi et al., 2004 [PubMed 14993604]).[supplied by OMIM, Mar 2008]

SLC22A13 Gene

solute carrier family 22 (organic anion/urate transporter), member 13

This gene encodes a member of the organic-cation transporter family. It is located in a gene cluster with another member of the family, organic cation transporter like 4. The encoded protein is a transmembrane protein involved in the transport of small molecules. This protein can function to mediate urate uptake and is a high affinity nicotinate exchanger in the kidneys and the intestine. [provided by RefSeq, Sep 2008]

SLCO3A1 Gene

solute carrier organic anion transporter family, member 3A1

Enables organic anion transmembrane transporter activity and prostaglandin transmembrane transporter activity. Involved in positive regulation of NF-kappaB transcription factor activity; positive regulation of protein phosphorylation; and prostaglandin transport. Located in basal plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLCO1B3 Gene

solute carrier organic anion transporter family, member 1B3

This gene encodes a liver-specific member of the organic anion transporter family. The encoded protein is a transmembrane receptor that mediates the sodium-independent uptake of endogenous and xenobiotic compounds and plays a critical role in bile acid and bilirubin transport. Mutations in this gene are a cause of Rotor type hyperbilirubinemia. Alternative splicing of this gene and the use of alternative promoters results in transcript variants encoding different isoforms that differ in their tissue specificity. [provided by RefSeq, Mar 2017]

SLCO1B7 Gene

solute carrier organic anion transporter family, member 1B7 (non-functional)

Predicted to enable bile acid transmembrane transporter activity and sodium-independent organic anion transmembrane transporter activity. Predicted to be involved in bile acid and bile salt transport and sodium-independent organic anion transport. Predicted to be located in plasma membrane. Predicted to be active in basolateral plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

SLC22A16 Gene

solute carrier family 22 (organic cation/carnitine transporter), member 16

This gene encodes a member of the organic zwitterion transporter protein family which transports carnitine. The encoded protein has also been shown to transport anticancer drugs like bleomycin (PMID: 20037140) successful treatment has been correlated with the level of activity of this transporter in tumor cells. [provided by RefSeq, Dec 2011]

SLC22A12 Gene

solute carrier family 22 (organic anion/urate transporter), member 12

The protein encoded by this gene is a member of the organic anion transporter (OAT) family, and it acts as a urate transporter to regulate urate levels in blood. This protein is an integral membrane protein primarily found in epithelial cells of the proximal tubule of the kidney. An elevated level of serum urate, hyperuricemia, is associated with increased incidences of gout, and mutations in this gene cause renal hypouricemia type 1. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2013]

SLC22A11 Gene

solute carrier family 22 (organic anion/urate transporter), member 11

The protein encoded by this gene is involved in the sodium-independent transport and excretion of organic anions, some of which are potentially toxic. The encoded protein is an integral membrane protein and is found mainly in the kidney and in the placenta, where it may act to prevent potentially harmful organic anions from reaching the fetus. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]

SLCO4A1 Gene

solute carrier organic anion transporter family, member 4A1

Enables organic anion transmembrane transporter activity and prostaglandin transmembrane transporter activity. Predicted to be involved in sodium-independent organic anion transport. Predicted to be located in plasma membrane. Predicted to be active in basolateral plasma membrane. [provided by Alliance of Genome Resources, Mar 2025]

OSCP1 Gene

organic solute carrier partner 1

Enables transmembrane transporter activity. Involved in xenobiotic detoxification by transmembrane export across the plasma membrane. Located in basal plasma membrane and cytoplasm. [provided by Alliance of Genome Resources, Mar 2025]

SLC22A1 Gene

solute carrier family 22 (organic cation transporter), member 1

Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. Two transcript variants encoding two different isoforms have been found for this gene, but only the longer variant encodes a functional transporter. [provided by RefSeq, Jul 2008]

SLC22A8 Gene

solute carrier family 22 (organic anion transporter), member 8

This gene encodes a protein involved in the sodium-independent transport and excretion of organic anions, some of which are potentially toxic. The encoded protein is an integral membrane protein and appears to be localized to the basolateral membrane of the kidney. Multiple alternatively spliced transcript variants that encode different protein isoforms have been described for this gene. [provided by RefSeq, May 2010]

MRT28 Gene

mental retardation, non-syndromic, autosomal recessive, 28

MRT29 Gene

Mental retardation, autosomal recessive 29

MRT24 Gene

mental retardation, non-syndromic, autosomal recessive, 24

MRT23 Gene

mental retardation, non-syndromic, autosomal recessive, 23

MRT10 Gene

mental retardation, non-syndromic, autosomal recessive, 10

MRXSAB Gene

Abidi X-linked mental retardation syndrome

MRX18 Gene

mental retardation, X-linked 18

MRX11 Gene

mental retardation, X-linked 11

MRX12 Gene

mental retardation, X-linked 12

MRX15 Gene

mental retardation, X-linked 15

MRX14 Gene

mental retardation, X-linked 14

MRX17 Gene

mental retardation, X-linked 17

FMR1 Gene

fragile X mental retardation 1

The protein encoded by this gene binds RNA and is associated with polysomes. The encoded protein may be involved in mRNA trafficking from the nucleus to the cytoplasm. A trinucleotide repeat (CGG) in the 5' UTR is normally found at 6-53 copies, but an expansion to 55-230 repeats is the cause of fragile X syndrome. Expansion of the trinucleotide repeat may also cause one form of premature ovarian failure (POF1). Multiple alternatively spliced transcript variants that encode different protein isoforms and which are located in different cellular locations have been described for this gene. [provided by RefSeq, May 2010]

FMR3 Gene

fragile X mental retardation associated 3

AMMECR1 Gene

Alport syndrome, mental retardation, midface hypoplasia and elliptocytosis chromosomal region gene 1

The exact function of this gene is not known, however, submicroscopic deletion of the X chromosome including this gene, COL4A5, and FACL4 genes, result in a contiguous gene deletion syndrome, the AMME complex (Alport syndrome, mental retardation, midface hypoplasia, and elliptocytosis). Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2010]

FXR1 Gene

fragile X mental retardation, autosomal homolog 1

The protein encoded by this gene is an RNA binding protein that interacts with the functionally-similar proteins FMR1 and FXR2. These proteins shuttle between the nucleus and cytoplasm and associate with polyribosomes, predominantly with the 60S ribosomal subunit. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

FXR2 Gene

fragile X mental retardation, autosomal homolog 2

The protein encoded by this gene is a RNA binding protein containing two KH domains and one RCG box, which is similar to FMRP and FXR1. It associates with polyribosomes, predominantly with 60S large ribosomal subunits. This encoded protein may self-associate or interact with FMRP and FXR1. It may have a role in the development of fragile X cognitive disability syndrome. [provided by RefSeq, Jul 2008]

MRX92 Gene

Mental retardation, X-linked 92

MRX95 Gene

Mental retardation, X-linked 95

HBHR Gene

alpha-thalassemia/mental retardation syndrome, type 1

MHW2 Gene

Mental health wellness 2

MHW1 Gene

Mental health wellness 1

MRT17 Gene

mental retardation, non-syndromic, autosomal recessive, 17

MRT16 Gene

Mental retardation, autosomal recessive 16

MRT11 Gene

mental retardation, non-syndromic, autosomal recessive, 11

MRT19 Gene

mental retardation, non-syndromic, autosomal recessive, 19

ATRX Gene

alpha thalassemia/mental retardation syndrome X-linked

The protein encoded by this gene contains an ATPase/helicase domain, and thus it belongs to the SWI/SNF family of chromatin remodeling proteins. This protein is found to undergo cell cycle-dependent phosphorylation, which regulates its nuclear matrix and chromatin association, and suggests its involvement in the gene regulation at interphase and chromosomal segregation in mitosis. Mutations in this gene are associated with X-linked syndromes exhibiting cognitive disabilities as well as alpha-thalassemia (ATRX) syndrome. These mutations have been shown to cause diverse changes in the pattern of DNA methylation, which may provide a link between chromatin remodeling, DNA methylation, and gene expression in developmental processes. Multiple alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2017]

CVMRF Gene

cubitus valgus with mental retardation and unusual facies

MRX42 Gene

mental retardation, X-linked 42

MRX40 Gene

mental retardation, X-linked 40

MRX49 Gene

mental retardation, X-linked 49

MRT8 Gene

mental retardation, non-syndromic, autosomal recessive, 8

AMMEC Gene

Alport syndrome, mental retardation, midface hypoplasia, and elliptocytosis

MRT9 Gene

mental retardation, non-syndromic, autosomal recessive, 9

LOC100132797 Gene

fragile X mental retardation, autosomal homolog 1 pseudogene

DEL11P13 Gene

Wilms tumor, aniridia, genitourinary anomalies and mental retardation syndrome

NUFIP2 Gene

nuclear fragile X mental retardation protein interacting protein 2

Enables RNA binding activity. Located in several cellular components, including cytoplasmic stress granule; nuclear body; and ribosome. [provided by Alliance of Genome Resources, Mar 2025]

NUFIP1 Gene

nuclear fragile X mental retardation protein interacting protein 1

This gene encodes a nuclear RNA binding protein that contains a C2H2 zinc finger motif and a nuclear localization signal. This protein is associated with the nuclear matrix in perichromatin fibrils and, in neurons, localizes to the cytoplasm in association with endoplasmic reticulum ribosomes. This protein interacts with the fragile X mental retardation protein (FMRP), the tumor suppressor protein BRCA1, upregulates RNA polymerase II transcription, and is involved in box C/D snoRNP biogenesis. A pseudogene of this gene resides on chromosome 6q12. [provided by RefSeq, Feb 2012]

MRT25 Gene

mental retardation, non-syndromic, autosomal recessive, 25

MRT4 Gene

mental retardation, non-syndromic, autosomal recessive, 4

MRX37 Gene

mental retardation, X-linked 37

MRX35 Gene

mental retardation, X-linked 35

MRX31 Gene

mental retardation, X-linked 31

MRX39 Gene

mental retardation, X-linked 39

APMR3 Gene

Alopecia-mental retardation syndrome 3

APMR2 Gene

Alopecia with mental retardation syndrome 2

APMR1 Gene

Alopecia-mental retardation syndrome

DELXQ21 Gene

Choroideremia, deafness, and mental retardation

CLN8 Gene

ceroid-lipofuscinosis, neuronal 8 (epilepsy, progressive with mental retardation)

This gene encodes a transmembrane protein belonging to a family of proteins containing TLC domains, which are postulated to function in lipid synthesis, transport, or sensing. The protein localizes to the endoplasmic reticulum (ER), and may recycle between the ER and ER-Golgi intermediate compartment. Mutations in this gene are associated with a disorder characterized by progressive epilepsy with cognitive disabilities (EPMR), which is a subtype of neuronal ceroid lipofuscinoses (NCL). Patients with mutations in this gene have altered levels of sphingolipid and phospholipids in the brain. [provided by RefSeq, Jul 2017]

MRXS17 Gene

Mental retardation, X-linked, syndromic 17

MRXS12 Gene

Mental retardation, X-linked, syndromic 12

MRXS11 Gene

mental retardation, X-linked, syndromic 11

MRT33 Gene

Mental retardation, autosomal recessive 33

MRT32 Gene

Mental retardation, autosomal recessive 32

MRT31 Gene

Mental retardation, autosomal recessive 31

MRT30 Gene

Mental retardation, autosomal recessive 30

MRT35 Gene

Mental retardation, autosomal recessive 35

MRT27 Gene

mental retardation, non-syndromic, autosomal recessive, 27

NUFIP1P Gene

nuclear fragile X mental retardation protein interacting protein 1 pseudogene

MRX69 Gene

mental retardation, X-linked 69

MRX64 Gene

mental retardation, X-linked 64

MRX65 Gene

mental retardation, X-linked 65

MRX61 Gene

mental retardation, X-linked 61

MEHMO Gene

mental retardation, epileptic seizures, hypogonadism and -genitalism, microcephaly and obesity syndrome

MRXSA Gene

Armfield X-linked mental retardation syndrome

MRXSL Gene

Lubs X-linked mental retardation syndrome

MMRFCGU Gene

Microcephaly, mental retardation, and distinctive facies, with cardiac and genitourinary malformations

MRX57 Gene

mental retardation, X-linked 57

MRX56 Gene

mental retardation, X-linked 56

MRX51 Gene

mental retardation, X-linked 51

MRX50 Gene

mental retardation, X-linked 50

MRX53 Gene

mental retardation, X-linked 53

MRX52 Gene

mental retardation, X-linked 52

MCS Gene

Miles-Carpenter X-linked mental retardation syndrome

MRXSMP Gene

Martin-Probst deafness-mental retardation syndrome

PRS Gene

Prieto X-linked mental retardation syndrome

MRX66 Gene

mental retardation, X-linked 66

MRX67 Gene

mental retardation, X-linked 67

MRX5 Gene

mental retardation, X-linked 5

MRX4 Gene

mental retardation, X-linked 4

MRX7 Gene

mental retardation, X-linked 7

MRX6 Gene

mental retardation, X-linked 6 (Okinawa type)

FRAXA Gene

fragile site, folic acid type, rare, fra(X)(q27.3) A (macroorchidism, mental retardation)

MRX8 Gene

mental retardation, X-linked 8

MRX82 Gene

mental retardation, X-linked 82

MRX80 Gene

mental retardation, X-linked 80

MRX81 Gene

mental retardation, X-linked 81

MRX86 Gene

mental retardation, X-linked 86

MRX84 Gene

mental retardation, X-linked 84

MRX88 Gene

Mental retardation, X-linked 88

MRX89 Gene

Mental retardation, X-linked 89

CHMRQ Gene

Cerebellar hypoplasia, mental retardation, and quadrupedal locomotion

MRX28 Gene

mental retardation, X-linked 28

MRXSCS Gene

Mental retardation, X-linked, syndromic, Chudley-Schwartz type

GUST Gene

Gustavson mental retardation syndrome (with microcephaly, optic

MRX73 Gene

mental retardation, X-linked 73

MRX71 Gene

mental retardation, X-linked 71

MRX70 Gene

mental retardation, X-linked 70

MRX75 Gene

mental retardation, X-linked 75

MRXS7 Gene

mental retardation, X-linked, syndromic 7

MRSD Gene

mental retardation-skeletal dysplasia

MRSS Gene

Mental retardation, X-linked, with short stature

MRST Gene

Mental retardation, severe, with spasticity and tapetoretinal

MRX77 Gene

mental retardation, X-linked 77

MRX78 Gene

mental retardation, X-linked 78

ANOP1 Gene

anophthalmos 1 (with mental retardation, without limb anomalies or dental or urogenital abnormalities)

FMR1NB Gene

fragile X mental retardation 1 neighbor

Predicted to be located in membrane. [provided by Alliance of Genome Resources, Mar 2025]

MRX20 Gene

mental retardation, X-linked 20

MRX23 Gene

mental retardation, X-linked 23

MRX24 Gene

mental retardation, X-linked 24

MRX25 Gene

mental retardation, X-linked 25

MRX26 Gene

mental retardation, X-linked 26

MRX27 Gene

mental retardation, X-linked 27