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Overview

Uniprot IDQ13424
Protein NameAlpha-1-syntrophin
Gene NameSNTA1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
355 LVHSGPSKGSVPYDA

Function

Adapter protein that binds to and probably organizes the subcellular localization of a variety of membrane proteins. May link various receptors to the actin cytoskeleton and the extracellular matrix via the dystrophin glycoprotein complex. Plays an important role in synapse formation and in the organization of UTRN and acetylcholine receptors at the neuromuscular synapse. Binds to phosphatidylinositol 4,5-bisphosphate (By similarity)

Protein Sequence

10 MASGRRAPRT 20 GLLELRAGAG 30 SGAGGERWQR 40 VLLSLAEDVL 50 TVSPADGDPG 60 PEPGAPREQE 70 PAQLNGAAEP 80 GAGPPQLPEA 90 LLLQRRRVTV 100 RKADAGGLGI 110 SIKGGRENKM 120 PILISKIFKG 130 LAADQTEALF 140 VGDAILSVNG 150 EDLSSATHDE 160 AVQVLKKTGK 170 EVVLEVKYMK 180 DVSPYFKNST 190 GGTSVGWDSP 200 PASPLQRQPS 210 SPGPTPRNFS 220 EAKHMSLKMA 230 YVSKRCTPND 240 PEPRYLEICS 250 ADGQDTLFLR 260 AKDEASARSW 270 ATAIQAQVNT 280 LTPRVKDELQ 290 ALLAATSTAG 300 SQDIKQIGWL 310 TEQLPSGGTA 320 PTLALLTEKE 330 LLLYLSLPET 340 REALSRPART 350 APLIATRLVH 360 SGPSKGSVPY 370 DAELSFALRT 380 GTRHGVDTHL 390 FSVESPQELA 400 AWTRQLVDGC 410 HRAAEGVQEV 420 STACTWNGRP 430 CSLSVHIDKG 440 FTLWAAEPGA 450 ARAVLLRQPF 460 EKLQMSSDDG 470 ASLLFLDFGG 480 AEGEIQLDLH 490 SCPKTIVFII 500 HSFLSAKVTR LGLLA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0070161 anchoring junction
Cellular Component GO:0005856 cytoskeleton
Cellular Component GO:0016010 dystrophin-associated glycoprotein complex
Cellular Component GO:0031594 neuromuscular junction
Cellular Component GO:0005886 plasma membrane
Cellular Component GO:0032991 protein-containing complex
Cellular Component GO:0042383 sarcolemma
Cellular Component GO:0016013 syntrophin complex
Molecular Function GO:0003779 actin binding
Molecular Function GO:0051117 ATPase binding
Molecular Function GO:0005516 calmodulin binding
Molecular Function GO:0002162 dystroglycan binding
Molecular Function GO:0060090 molecular adaptor activity
Molecular Function GO:0050998 nitric-oxide synthase binding
Molecular Function GO:0030165 PDZ domain binding
Molecular Function GO:0017080 sodium channel regulator activity
Molecular Function GO:0005198 structural molecule activity
Molecular Function GO:0044325 transmembrane transporter binding
Biological Process GO:0043010 camera-type eye development
Biological Process GO:0006936 muscle contraction
Biological Process GO:0035022 positive regulation of Rac protein signal transduction
Biological Process GO:0002027 regulation of heart rate
Biological Process GO:1902305 regulation of sodium ion transmembrane transport
Biological Process GO:0060307 regulation of ventricular cardiac muscle cell membrane repolarization
Biological Process GO:0099536 synaptic signaling
Biological Process GO:0086005 ventricular cardiac muscle cell action potential

Reference

[1] Shi CM, Wang QC, Li XL, Yang YH, Tang XY et al.. Global Profiling of Protein Lactylation in Human Hippocampi.. Proteomics Clin Appl 19(2):e202400061. 2025 Mar. PMID: 39610256.