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Gene Model: Slc6a4

NomenclatureGenomic Location
SymbolSlc6a4Chromosome1
NameSodium-dependent serotonin
transporter
Linkage mapunknown
SpeciesDracomimus familiarisGenome CoordinatesChr1: 40 Mbp

Molecular Function

Serotonin transporter whose primary function in the central nervous system involves the regulation of serotonergic signaling via transport of serotonin molecules from the synaptic cleft back into the pre-synaptic terminal for re-utilization. Plays a key role in mediating regulation of the availability of serotonin to other receptors of serotonergic systems. Terminates the action of serotonin and recycles it in a sodium-dependent manner.

Molecular Function Terms:

binding
   drug binding
      cocaine binding
   protein binding
      cytoskeletal protein binding
         actin binding
         myosin binding
      enzyme binding
         GTPase binding
      SNARE binding
         syntaxin binding

enzyme regulator activity
   nucleoside-triphosphatase regulator activity
      GTPase regulator activity

transporter activity
   active transmembrane transporter activity
      secondary active transmembrane transporter activity
         symporter activity
   substrate-specific transporter activity
      substrate-specific transmembrane transporter activity
         amine transmembrane transporter activity
            monoamine transmembrane transporter activity
   transmembrane transporter activity
      active transmembrane transporter activity
         amine transmembrane transporter activity
            monoamine transmembrane transporter activity

Human Disease Association

Polymorphism: A polymorphism in the promoter region (5-HTT gene-linked polymorphic region, 5-HTTLPR) is located approximately 1 kb upstream of the transcription initiation site and is composed of 16 repeat elements. The polymorphism consists of a 44-bp insertion or deletion involving repeat elements 6 to 8. The short allele is associated with lower transcriptional efficiency of the promoter compared with the long allele. Over half of the Caucasian population has a short allele. Individuals with one or two copies of the short allele exhibit more depressive symptoms, diagnosable depression and suicidality in relation to stressful life events than individuals homozygous for the long allele.

The polymorphism Val-425 seems to be linked to a susceptibility to obsessive-compulsive disorder (OCD) [MIM:164230].

Genetic variations in SLC6A4 determine the genetic susceptibility to alcoholism [MIM:103780].

Predicted Transcript
     1 ATGGAGAAAACAAGCCATGAGACACAGCCTCTCACATCTCCAAAGGAGCCCTCGAATTGC
    61 GTTGAAGAGGGGGACTGCGCAGGCAATGGACTCCTACGCAAGGATGCCAAGCCAGCATTG
   121 CCGCTGGCGGAAGAGACAGACAGAGTGCCCTTTGGCCAGGCAGACAAAGGGGCAGCCAGC
   181 CCCATCTCCAATGGATTTTCAGGGGCTCAGAGCCCAAGCTCTTTCAATGTGGCCGGGGGC
   241 AATGAGGGGACGCCTTCGGTCACCCCGGTGGCCATGACCACCCTGACCACCAACACTAAC
   301 ACTACCACCACCACCTCCATCTTGTGCGTGGTGGATGGCCAGCAGCAGCTGGAGTTGGGT
   361 GAGCGGGAAACCTGGAGCAAGAAAATGGACTTTCTCCTCTCGGTGATCGGATATGCCGTG
   421 GACCTGGGCAATGTCTGGCGCTTCCCTTACATCTGTTACCAAAATGGAGGAGGGGCGTTC
   481 CTCCTGCCGTACACGATCATGGCCATTTTTGGAGGCATCCCACTCTTCTACATGGAGCTG
   541 GCGCTGGGACAGTATCACCGGAATGGCTGCATTTCGATATGGAGGAAAATCTGCCCCATT
   601 TTCAAAGGGATTGGCTATGCCATCTGCATCATTGCCTTCTACATTGCTTCATACTATAAC
   661 ACTATCATTGCCTGGGCCTTGTACTACCTCATCTCCTCCTTCACGGATGAGCTGCCTTGG
   721 ACCAGCTGCACAAACGCTTGGAACACCAAGAACTGCACCAACTATTTCTCCAACCGGAGC
   781 ATCGCCTGGACGGACAGCTCCATCTCTCCAGCAGAAGAATTTTATACTCGGCATGTTCTC
   841 CAGGTGCATCGAGCTAAGGGGCTGGACGACCTAGGCGGCATCAGCTGGCAGCTCACCCTC
   901 TGCTTGCTCTTCATCTTCACCATCGTCTATTTCAGCATCTGGAAAGGGGTCAAAACGTCT
   961 GGAAAGGTAGTGTGGGTGACAGCCACCTTCCCTTACATCATCCTCTTCATCCTTTTAATA
  1021 CGGGGTGCCACTTTGCCCGGAGCTTGGAGAGGAGTGCTCTACTACTTGAAGCCGGACTGG
  1081 CAGAAACTTCTTTCAACAGAGGTATGGGTGGACGCTGCTGCTCAGATCTTCTTCTCCCTT
  1141 GGTCCTGGCTTTGGGGTGCTCCTTGCCTTTGCGAGCTACAACAAGTTTCACAACAACTGC
  1201 TACCAAGATGCTCTGGTTACCAGTGCTGTGAACTGTATGACAAGTTTCATCTCCGGTTTT
  1261 GTCATCTTCACTGTTCTTGGCTACATGGCAGAGATGAGGAATGAAGAGGTCTCAGAAGTT
  1321 GCCAAAGACACTGGGCCCAGCCTCCTCTTCATCACTTATGCAGAGGCCATCGCAAACATG
  1381 CCTGCCTCAACCTTCTTTGCCATCATCTTCTTCCTGATGCTGATCACTTTGGGCCTGGAC
  1441 AGTACGTTTGCCGGGCTGGAAGGGGTGATCACTGCTGTCCTGGACGAATTCCCCCACGTT
  1501 TGGAGCAAACGCCGAGAAATCTTTGCGCTGGGTTTCATTGTGATCTGCTTCATGGGTGCC
  1561 CTCTCCACGCTGACCTTTGGTGGTGCATATGTGGTGAAGCTGTTTGAGGAATATGCCACA
  1621 GGCCCGGCGCTGATAGCCGTGGTATTTCTGGAATCCATTGCAGTGTCTTGGTTTTATGGT
  1681 GTGGCTCAGTTTTCCAGGGATGTAAAGGAGATGCTTGGATTCAGCCCTGGATGGTACTGG
  1741 AGGATCTGTTGGGTAGCCATCAGCCCAATCTTTCTCTTGTTTATCATTTGCAGCTTCATG
  1801 TCCAGCGTTCCAGAACTCCGCCTTTTCGATTACACTTATCCCTACTGGACCATGGTGCTG
  1861 GGTTACTGCATCGGGACGTCGTCTTTTATCTGCATTCCTGCCTATATGGTTTATCGGCTG
  1921 GCAACTACTCCAGGGACACTCAAAGAGCGTATTCTAAAAAGCATCACGCCAGAAACAGGC
  1981 ACTGAGATTCCCTTTGGCGACATCCGTATGAATGCCGTCTAA

Predicted Protein Product
MEKTSHETQPLTSPKEPSNCVEEGDCAGNGLLRKDAKPALPLAEETDRVPFGQADKGAAS
PISNGFSGAQSPSSFNVAGGNEGTPSVTPVAMTTLTTNTNTTTTTSILCVVDGQQQLELG
ERETWSKKMDFLLSVIGYAVDLGNVWRFPYICYQNGGGAFLLPYTIMAIFGGIPLFYMEL
ALGQYHRNGCISIWRKICPIFKGIGYAICIIAFYIASYYNTIIAWALYYLISSFTDELPW
TSCTNAWNTKNCTNYFSNRSIAWTDSSISPAEEFYTRHVLQVHRAKGLDDLGGISWQLTL
CLLFIFTIVYFSIWKGVKTSGKVVWVTATFPYIILFILLIRGATLPGAWRGVLYYLKPDW
QKLLSTEVWVDAAAQIFFSLGPGFGVLLAFASYNKFHNNCYQDALVTSAVNCMTSFISGF
VIFTVLGYMAEMRNEEVSEVAKDTGPSLLFITYAEAIANMPASTFFAIIFFLMLITLGLD
STFAGLEGVITAVLDEFPHVWSKRREIFALGFIVICFMGALSTLTFGGAYVVKLFEEYAT
GPALIAVVFLESIAVSWFYGVAQFSRDVKEMLGFSPGWYWRICWVAISPIFLLFIICSFM
SSVPELRLFDYTYPYWTMVLGYCIGTSSFICIPAYMVYRLATTPGTLKERILKSITPETG
TEIPFGDIRMNAV
Protein Alignment to Mouse
sp|Q60857|SC6A4_MOUSE Sodium-dependent serotonin transporter OS=Mus musculus
            GN=Slc6a4 PE=1 SV=3
        Length = 630

 Score = 2579 (912.9 bits), Expect = 1.2e-275, Sum P(2) = 1.2e-275
 Identities = 465/558 (83%), Positives = 511/558 (91%)

Query:   116 QLELGERETWSKKMDFLLSVIGYAVDLGNVWRFPYICYQNGGGAFLLPYTIMAIFGGIPL 175
             ++  GERETW KKMDFLLSVIGYAVDLGN+WRFPYICYQNGGGAFLLPYTIMAIFGGIPL
Sbjct:    73 EIHQGERETWGKKMDFLLSVIGYAVDLGNIWRFPYICYQNGGGAFLLPYTIMAIFGGIPL 132

Query:   176 FYMELALGQYHRNGCISIWRKICPIFKGIGYAICIIAFYIASYYNTIIAWALYYLISSFT 235
             FYMELALGQYHRNGCISIWRKICPIFKGIGYAICIIAFYIASYYNTIIAWALYYLISSFT
Sbjct:   133 FYMELALGQYHRNGCISIWRKICPIFKGIGYAICIIAFYIASYYNTIIAWALYYLISSFT 192

Query:   236 DELPWTSCTNAWNTKNCTNYFSNRSIAWTDSSISPAEEFYTRHVLQVHRAKGLDDLGGIS 295
             D+LPWTSC N+WNT NCTNYF+  +I WT  S SPAEEFY RHVLQ+H++KGL DLG IS
Sbjct:   193 DQLPWTSCKNSWNTGNCTNYFAQDNITWTLHSTSPAEEFYLRHVLQIHQSKGLQDLGTIS 252

Query:   296 WQLTLCLLFIFTIVYFSIWKGVKTSGKVVWVTATFPYIILFILLIRGATLPGAWRGVLYY 355
             WQL LC++ IFTI+YFSIWKGVKTSGKVVWVTATFPYI+L +LL+RGATLPGAWRGV++Y
Sbjct:   253 WQLALCIMLIFTIIYFSIWKGVKTSGKVVWVTATFPYIVLSVLLVRGATLPGAWRGVVFY 312

Query:   356 LKPDWQKLLSTEVWVDAAAQIFFSLGPGFGVLLAFASYNKFHNNCYQDALVTSAVNCMTS 415
             LKP+WQKLL T VWVDAAAQIFFSLGPGFGVLLAFASYNKF+NNCYQDALVTS VNCMTS
Sbjct:   313 LKPNWQKLLETGVWVDAAAQIFFSLGPGFGVLLAFASYNKFNNNCYQDALVTSVVNCMTS 372

Query:   416 FISGFVIFTVLGYMAEMRNEEVSEVAKDTGPSLLFITYAEAIANMPASTFFAIIFFLMLI 475
             F+SGFVIFTVLGYMAEMRNE+VSEVAKD GPSLLFITYAEAIANMPASTFFAIIFFLMLI
Sbjct:   373 FVSGFVIFTVLGYMAEMRNEDVSEVAKDAGPSLLFITYAEAIANMPASTFFAIIFFLMLI 432

Query:   476 TLGLDSTFAGLEGVITAVLDEFPHVWSKRREIFALGFIVICFMGALSTLTFGGAYVVKLF 535
             TLGLDSTFAGLEGVITAVLDEFPH+W+KRRE F L  ++ C +G+L TLT GGAYVV L 
Sbjct:   433 TLGLDSTFAGLEGVITAVLDEFPHIWAKRREWFVLIVVITCILGSLLTLTSGGAYVVTLL 492

Query:   536 EEYATGPALIAVVFLESIAVSWFYGVAQFSRDVKEMLGFSPGWYWRICWVAISPIFLLFI 595
             EEYATGPA++ V  +E++ VSWFYG+ QF  DVKEMLGFSPGW+WRICWVAISP+FLLFI
Sbjct:   493 EEYATGPAVLTVALIEAVVVSWFYGITQFCSDVKEMLGFSPGWFWRICWVAISPLFLLFI 552

Query:   596 ICSFMSSVPELRLFDYTYPYWTMVLGYCIGTSSFICIPAYMVYRLATTPGTLKERILKSI 655
             ICSF+ S P+LRLF Y YP+W+++LGYCIGTSS ICIP Y++YRL +TPGTLKERI+KSI
Sbjct:   553 ICSFLMSPPQLRLFQYNYPHWSIILGYCIGTSSVICIPIYIIYRLISTPGTLKERIIKSI 612

Query:   656 TPETGTEIPFGDIRMNAV 673
             TPET TEIP GDIRMNAV
Sbjct:   613 TPETPTEIPCGDIRMNAV 630

 Score = 88 (36.0 bits), Expect = 1.2e-275, Sum P(2) = 1.2e-275
 Identities = 32/85 (37%), Positives = 40/85 (47%)

Query:     7 ETQPLTSPKEPSNCVEEGDCAGNGLLRKDAKPALPLAEETDRVPFGQADKGAASPISNGF 66
             ET PL S K  S C ++ DC  NG+L+K     +P        P   ADK     ISNG+
Sbjct:     2 ETTPLNSQKVLSECKDKEDCQENGVLQK----GVP-------TP---ADKAEPGQISNGY 47

Query:    67 SGAQSPSSFNVAGGNEGTPSVTPVA 91
             S   S S+     G+E  P  TP A
Sbjct:    48 SAVPSTSA-----GDEA-PHSTPAA 66