Glycine receptor subunit alpha-1

NameGlycine receptor subunit alpha-1
Synonyms
  • Glycine receptor 48 kDa subunit
  • Glycine receptor strychnine-binding subunit
Gene NameGLRA1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0000863|Glycine receptor subunit alpha-1
MYSFNTLRLYLWETIVFFSLAASKEAEAARSAPKPMSPSDFLDKLMGRTSGYDARIRPNF
KGPPVNVSCNIFINSFGSIAETTMDYRVNIFLRQQWNDPRLAYNEYPDDSLDLDPSMLDS
IWKPDLFFANEKGAHFHEITTDNKLLRISRNGNVLYSIRITLTLACPMDLKNFPMDVQTC
IMQLESFGYTMNDLIFEWQEQGAVQVADGLTLPQFILKEEKDLRYCTKHYNTGKFTCIEA
RFHLERQMGYYLIQMYIPSLLIVILSWISFWINMDAAPARVGLGITTVLTMTTQSSGSRA
SLPKVSYVKAIDIWMAVCLLFVFSALLEYAAVNFVSRQHKELLRFRRKRRHHKSPMLNLF
QEDEAGEGRFNFSAYGMGPACLQAKDGISVKGANNSNTTNPPPAPSKSPEEMRKLFIQRA
KKIDKISRIGFPMAFLIFNMFYWIIYKIVRREDVHNQ
Number of residues457
Molecular Weight52623.35
Theoretical pI9.04
GO Classification
Functions
  • taurine binding
  • glycine binding
  • extracellular-glycine-gated chloride channel activity
  • transmitter-gated ion channel activity
Processes
  • ion transport
  • positive regulation of acrosome reaction
  • chloride transmembrane transport
  • chloride transport
  • acrosome reaction
  • negative regulation of transmission of nerve impulse
  • response to amino acid
  • regulation of membrane potential
  • neuropeptide signaling pathway
  • muscle contraction
  • visual perception
  • regulation of respiratory gaseous exchange by neurological system process
  • adult walking behavior
  • neuromuscular process controlling posture
  • inhibitory postsynaptic potential
  • transmembrane transport
  • ion transmembrane transport
  • synaptic transmission, glycinergic
  • startle response
  • action potential
  • righting reflex
Components
  • postsynaptic membrane
  • inhibitory synapse
  • plasma membrane
  • cell junction
  • integral component of membrane
  • external side of plasma membrane
  • integral component of plasma membrane
  • chloride channel complex
  • intracellular membrane-bounded organelle
  • synapse
  • neuron projection
General FunctionTransmitter-gated ion channel activity
Specific FunctionThe glycine receptor is a neurotransmitter-gated ion channel. Binding of glycine to its receptor increases the chloride conductance and thus produces hyperpolarization (inhibition of neuronal firing).
Pfam Domain Function
Transmembrane Regions248-274 281-298 313-336 429-446
GenBank Protein ID31851
UniProtKB IDP23415
UniProtKB Entry NameGLRA1_HUMAN
Cellular LocationCell junction
Gene sequence
>lcl|BSEQ0016090|Glycine receptor subunit alpha-1 (GLRA1)
ATGTACAGCTTCAATACTCTTCGACTCTACCTTTGGGAGACCATTGTATTCTTCAGCCTT
GCTGCTTCTAAGGAGGCTGAAGCTGCTCGCTCCGCACCCAAGCCTATGTCACCCTCGGAT
TTCCTGGATAAGCTAATGGGGAGAACCTCCGGATATGATGCCAGGATCAGGCCCAATTTT
AAAGGTCCCCCAGTGAACGTGAGCTGCAACATTTTCATCAACAGCTTTGGTTCCATTGCT
GAGACAACCATGGACTATAGGGTCAACATCTTCCTGCGGCAGCAATGGAACGACCCCCGC
CTGGCCTATAATGAATACCCTGACGACTCTCTGGACCTGGACCCATCCATGCTGGACTCC
ATCTGGAAACCTGACCTGTTCTTTGCCAACGAGAAGGGGGCCCACTTCCATGAGATCACC
ACAGACAACAAATTGCTAAGGATCTCCCGGAATGGGAATGTCCTCTACAGCATCAGAATC
ACCCTGACACTGGCCTGCCCCATGGACTTGAAGAATTTCCCCATGGATGTCCAGACATGT
ATCATGCAACTGGAAAGCTTTGGATATACGATGAATGACCTCATCTTTGAGTGGCAGGAA
CAGGGAGCCGTGCAGGTAGCAGATGGACTAACTCTGCCCCAGTTTATCTTGAAGGAAGAG
AAGGACTTGAGATACTGCACCAAGCACTACAACACAGGTAAATTCACCTGCATTGAGGCC
CGGTTCCACCTGGAGCGGCAGATGGGTTACTACCTGATTCAGATGTATATTCCCAGCCTG
CTCATTGTCATCCTCTCATGGATCTCCTTCTGGATCAACATGGATGCTGCACCTGCTCGT
GTGGGCCTAGGCATCACCACTGTGCTCACCATGACCACCCAGAGCTCCGGCTCTCGAGCA
TCTCTGCCCAAGGTGTCCTATGTGAAAGCCATTGACATTTGGATGGCAGTTTGCCTGCTC
TTTGTGTTCTCAGCCCTATTAGAATATGCTGCCGTTAACTTTGTGTCTCGGCAACATAAG
GAGCTGCTCCGATTCAGGAGGAAGCGGAGACATCACAAGGAGGATGAAGCTGGAGAAGGC
CGCTTTAACTTCTCTGCCTATGGGATGGGCCCAGCCTGTCTACAGGCCAAGGATGGCATC
TCAGTCAAGGGCGCCAACAACAGTAACACCACCAACCCCCCTCCTGCACCATCTAAGTCC
CCAGAGGAGATGCGAAAACTCTTCATCCAGAGGGCCAAGAAGATCGACAAAATATCCCGC
ATTGGCTTCCCCATGGCCTTCCTCATTTTCAACATGTTCTACTGGATCATCTACAAGATT
GTCCGTAGAGAGGACGTCCACAACCAGTGA
GenBank Gene IDX52009
GeneCard IDNot Available
GenAtlas IDGLRA1
HGNC IDHGNC:4326
Chromosome Location5
Locus5q32
References
  1. Grenningloh G, Schmieden V, Schofield PR, Seeburg PH, Siddique T, Mohandas TK, Becker CM, Betz H: Alpha subunit variants of the human glycine receptor: primary structures, functional expression and chromosomal localization of the corresponding genes. EMBO J. 1990 Mar;9(3):771-6. 2155780
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  4. Vogel N, Kluck CJ, Melzer N, Schwarzinger S, Breitinger U, Seeber S, Becker CM: Mapping of disulfide bonds within the amino-terminal extracellular domain of the inhibitory glycine receptor. J Biol Chem. 2009 Dec 25;284(52):36128-36. doi: 10.1074/jbc.M109.043448. Epub 2009 Oct 27. 19861413
  5. Durisic N, Godin AG, Wever CM, Heyes CD, Lakadamyali M, Dent JA: Stoichiometry of the human glycine receptor revealed by direct subunit counting. J Neurosci. 2012 Sep 12;32(37):12915-20. doi: 10.1523/JNEUROSCI.2050-12.2012. 22973015
  6. Yushmanov VE, Mandal PK, Liu Z, Tang P, Xu Y: NMR structure and backbone dynamics of the extended second transmembrane domain of the human neuronal glycine receptor alpha1 subunit. Biochemistry. 2003 Apr 8;42(13):3989-95. 12667090
  7. Ma D, Liu Z, Li L, Tang P, Xu Y: Structure and dynamics of the second and third transmembrane domains of human glycine receptor. Biochemistry. 2005 Jun 21;44(24):8790-800. 15952785
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  9. Langosch D, Laube B, Rundstrom N, Schmieden V, Bormann J, Betz H: Decreased agonist affinity and chloride conductance of mutant glycine receptors associated with human hereditary hyperekplexia. EMBO J. 1994 Sep 15;13(18):4223-8. 7925268
  10. Schorderet DF, Pescia G, Bernasconi A, Regli F: An additional family with Startle disease and a G1192A mutation at the alpha 1 subunit of the inhibitory glycine receptor gene. Hum Mol Genet. 1994 Jul;3(7):1201. 7981700
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