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Protein Page:
RAPSN (human)

Overview
RAPSN Thought to play some role in anchoring or stabilizing the nicotinic acetylcholine receptor at synaptic sites. It may link the receptor to the underlying postsynaptic cytoskeleton, possibly by direct association with actin or spectrin. Defects in RAPSN are a cause of congenital myasthenic syndrome with acetylcholine receptor deficiency (CMS-ACHRD). A postsynaptic congenital myasthenic syndrome. Congenital myasthenic syndromes (CMS) are inherited disorders of neuromuscular transmission that stem from mutations in presynaptic, synaptic, or postsynaptic proteins. Defects in RAPSN are the cause of fetal akinesia deformation sequence (FADS); also known as Pena- Shokeir syndrome type 1 or fetal akinesia sequence or arthrogryposis multiplex congenita with pulmonary hypoplasia. FADS is a rare condition characterized by decreased intrauterine fetal movement, congenital limb contractures, pulmonary hypoplasia, polyhydramnios and craniofacial abnormalities. Belongs to the RAPsyn family. 2 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Motility/polarity/chemotaxis; Cell adhesion; Ubiquitin conjugating system
Cellular Component: Golgi apparatus; postsynaptic membrane; cytoskeleton; neuromuscular junction; cell junction
Molecular Function: ionotropic glutamate receptor binding; zinc ion binding; acetylcholine receptor binding
Biological Process: synaptic transmission; positive regulation of neuron apoptosis; synaptic transmission, cholinergic
Reference #:  Q13702 (UniProtKB)
Alt. Names/Synonyms: 43 kDa postsynaptic protein; 43 kDa receptor-associated protein of the synapse; Acetylcholine receptor-associated 43 kDa protein; CMS1D; CMS1E; MGC3597; RAPSN; RAPsyn; receptor-associated protein of the synapse; receptor-associated protein of the synapse, 43kD; RING finger protein 205; RNF205
Gene Symbols: RAPSN
Molecular weight: 46,328 Da
Basal Isoelectric point: 8.48  Predict pI for various phosphorylation states
Select Structure to View Below

RAPSN

Protein Structure Not Found.


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Modification Sites and Domains  

Modification Sites in Parent Protein, Orthologs, and Isoforms  
 

Show Multiple Sequence Alignment


 SS 

SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.


 MS 

MS: The number of records in which this modification site was assigned using ONLY proteomic discovery-mode mass spectrometry.


       human

 
0 1 Y59-p AHSEMGRyKEMLKFA
0 1 S383 RLQALPCSHIFHLRC
0 1 S398 LQNNGTRSCPNCRRS
  mouse

 
Y59 AHSEMGRYKEMLKFA
S383 RLQALPCSHIFHLRC
S398 LQNNGTRSCPNCRRS
  rat

 
Y59 AHSEMGRYKEMLKFA
S330-p RLQALPCsHIFHLRC
S345-p LQNNGTRsCPNCRRS
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