Protein
Syntaxin-binding protein 5-like
Function
Plays a role in vesicle trafficking and exocytosis inhibition (PubMed:25002582). In pancreatic beta-cells, inhibits insulin secretion probably by interacting with and regulating STX1A and STX4, key t-SNARE proteins involved in the fusion of insulin granules to the plasma membrane (PubMed:21998599). Plays also a role in neurotransmitter release by inhibiting basal acetylcholine release from axon terminals and by preventing synaptic fatigue upon repetitive stimulation (PubMed:24744148). Promotes as well axonal outgrowth (By similarity).
Similarity
Belongs to the WD repeat L(2)GL family.
Sequence
MKKFNFRKVLDGLTASSPGSGSSSGSNSGGAGSGSVHPGGTAGLPREEIQESLTSDYFQICKTVRHGFPYQPTALAFDPVQKILAIGTRTGAIRILGRPGVDCYCQHESGAAVLQLQFLINEGALVSASSDDTLHLWNLRQKRPAILHSLKFNRERITYCHLPFQSKWLYVGTERGNTHIVNIESFILSGYVIMWNKAIELSTKTHPGPVVHLSDSPRDEGKLLIGYENGTVVFWDLKSKRAELRVYYDEAIHSIDWHHEGKQFMCSHSDGSLTLWNLKSPSRPFQTTVPHGKSQREGRKSESCKPILKVEYKTCRNSEPFIIFSGGLSYDKACRRPSLTIMHGKAITVLEMDHPIVEFLTLCETPYPNEFQEPYAVAVLLEKDLIVVDLTQTNFPIFENPYPMDIHESPVTCTAYFADCPPDLILVLYSIGVKHKKQGYSNKEWPVSGGAWNLGAQTYPEIIITGHADGTIKFWDASAMTLQMLYKLKTSKVFEKQKAGEGKQTCELVEEDPFAVQMIYWCPESRIFCVSGVSAYVIIYKFSRHEVTTEIVSLEVRLQCDVEDIITPEPETSPPFPDLSSQLPPSRSLSGSTNTVSSEGVTKDSIPCLSVKTRPVRMPPGYQADLVIQLVWVDGEPPQQITSLSISSAYGIVAFGNCTGLVVVDFIQKTVLLSMGTIDLYRSSDLYQRQPRSPRKNRQFIADNFCMRGLSNFYPDLTKRIRTSYQSLTELNDSPVPLELERCKSPTSDHVNGHCTSPTSQSCSSGKRLSSADVSKVNRWGPGRPPFRKAQSAACMEISLPVTTEETRENSYNRSRSSSISSIDKDSKEAITALYFMESFARKNDSTVSPCLFVGTSLGMVVLISLNLPSSDEQRFTEPVVVLPSGTFLSLKGAVLTFSCMDRTGSLMQPPYEVWRDPNNTDENEKTWKRKLVMNYSSSSQEMGDHQYTIICSEKQAKVFSLPSQTCLYVHNITETSFILQADVVVMCNSACLACFCANGHIMIMSLPSLRPMLDVNYLPLTDMRIARTFCFTNEGQALYLVSPTEIQRLTYSQEMCDNIQDMLGDLFTPIETPEAQNRGFLKGLFGGSGQTFDREELFGEASAGKASRSLAQHIPGPGSIEGMKGAAGGVMGELTRARIALDERGQRLGELEEKTAGMMTSAEAFSKHAHELMLKYKDKKWYQF