'''Betaglikan''', znan i kao  '''receptor III transformirajućeg [[faktor rasta|faktora rasta]]''', jest površinskoćelijski  [[hondroitin-sulfat]]ni/[[heparan-sulfate]]ni [[proteoglikan]]. To je [[protein]] koji je kod [[ljudi]] [[kodon|kodiran]] [[gen]]om '''TGFBR3''' sa  [[hromosom 1|hromosoma 1]].                             
 
==Aminokiselinska sekvenca==	
Dužina [[polipeptid]]nog lanca je 851 [[aminokiselina]], a [[molekularna masa|molekulska težina]] 93.499 [[dalton (jedinica)|Da]].<ref name="UniProt">{{cite web|url=http://www.uniprot.org/uniprot/Q03167#sequences |title=UniProt, Q03167 |language=en. |access-date=5. 12. 2021}}</ref>
{{legenda aminokiselina}}
<table  style="font-family:monospace;">
<tr style="text-align:right;"><th>10</th><th></th><th>20</th><th></th><th>30</th><th></th><th>40</th><th></th><th>50</th></tr>
<tr style="background-color: #eee;"><td>MTSHYVIAIF</td><td style="background-color: #f9f9f9;"></td><td>ALMSSCLATA</td><td style="background-color: #f9f9f9;"></td><td>GPEPGALCEL</td><td style="background-color: #f9f9f9;"></td><td>SPVSASHPVQ</td><td style="background-color: #f9f9f9;"></td><td>ALMESFTVLS</td></tr>
<tr style="background-color: #eee;"><td>GCASRGTTGL</td><td style="background-color: #f9f9f9;"></td><td>PQEVHVLNLR</td><td style="background-color: #f9f9f9;"></td><td>TAGQGPGQLQ</td><td style="background-color: #f9f9f9;"></td><td>REVTLHLNPI</td><td style="background-color: #f9f9f9;"></td><td>SSVHIHHKSV</td></tr>
<tr style="background-color: #eee;"><td>VFLLNSPHPL</td><td style="background-color: #f9f9f9;"></td><td>VWHLKTERLA</td><td style="background-color: #f9f9f9;"></td><td>TGVSRLFLVS</td><td style="background-color: #f9f9f9;"></td><td>EGSVVQFSSA</td><td style="background-color: #f9f9f9;"></td><td>NFSLTAETEE</td></tr>
<tr style="background-color: #eee;"><td>RNFPHGNEHL</td><td style="background-color: #f9f9f9;"></td><td>LNWARKEYGA</td><td style="background-color: #f9f9f9;"></td><td>VTSFTELKIA</td><td style="background-color: #f9f9f9;"></td><td>RNIYIKVGED</td><td style="background-color: #f9f9f9;"></td><td>QVFPPKCNIG</td></tr>
<tr style="background-color: #eee;"><td>KNFLSLNYLA</td><td style="background-color: #f9f9f9;"></td><td>EYLQPKAAEG</td><td style="background-color: #f9f9f9;"></td><td>CVMSSQPQNE</td><td style="background-color: #f9f9f9;"></td><td>EVHIIELITP</td><td style="background-color: #f9f9f9;"></td><td>NSNPYSAFQV</td></tr>
<tr style="background-color: #eee;"><td>DITIDIRPSQ</td><td style="background-color: #f9f9f9;"></td><td>EDLEVVKNLI</td><td style="background-color: #f9f9f9;"></td><td>LILKCKKSVN</td><td style="background-color: #f9f9f9;"></td><td>WVIKSFDVKG</td><td style="background-color: #f9f9f9;"></td><td>SLKIIAPNSI</td></tr>
<tr style="background-color: #eee;"><td>GFGKESERSM</td><td style="background-color: #f9f9f9;"></td><td>TMTKSIRDDI</td><td style="background-color: #f9f9f9;"></td><td>PSTQGNLVKW</td><td style="background-color: #f9f9f9;"></td><td>ALDNGYSPIT</td><td style="background-color: #f9f9f9;"></td><td>SYTMAPVANR</td></tr>
<tr style="background-color: #eee;"><td>FHLRLENNAE</td><td style="background-color: #f9f9f9;"></td><td>EMGDEEVHTI</td><td style="background-color: #f9f9f9;"></td><td>PPELRILLDP</td><td style="background-color: #f9f9f9;"></td><td>GALPALQNPP</td><td style="background-color: #f9f9f9;"></td><td>IRGGEGQNGG</td></tr>
<tr style="background-color: #eee;"><td>LPFPFPDISR</td><td style="background-color: #f9f9f9;"></td><td>RVWNEEGEDG</td><td style="background-color: #f9f9f9;"></td><td>LPRPKDPVIP</td><td style="background-color: #f9f9f9;"></td><td>SIQLFPGLRE</td><td style="background-color: #f9f9f9;"></td><td>PEEVQGSVDI</td></tr>
<tr style="background-color: #eee;"><td>ALSVKCDNEK</td><td style="background-color: #f9f9f9;"></td><td>MIVAVEKDSF</td><td style="background-color: #f9f9f9;"></td><td>QASGYSGMDV</td><td style="background-color: #f9f9f9;"></td><td>TLLDPTCKAK</td><td style="background-color: #f9f9f9;"></td><td>MNGTHFVLES</td></tr>
<tr style="background-color: #eee;"><td>PLNGCGTRPR</td><td style="background-color: #f9f9f9;"></td><td>WSALDGVVYY</td><td style="background-color: #f9f9f9;"></td><td>NSIVIQVPAL</td><td style="background-color: #f9f9f9;"></td><td>GDSSGWPDGY</td><td style="background-color: #f9f9f9;"></td><td>EDLESGDNGF</td></tr>
<tr style="background-color: #eee;"><td>PGDMDEGDAS</td><td style="background-color: #f9f9f9;"></td><td>LFTRPEIVVF</td><td style="background-color: #f9f9f9;"></td><td>NCSLQQVRNP</td><td style="background-color: #f9f9f9;"></td><td>SSFQEQPHGN</td><td style="background-color: #f9f9f9;"></td><td>ITFNMELYNT</td></tr>
<tr style="background-color: #eee;"><td>DLFLVPSQGV</td><td style="background-color: #f9f9f9;"></td><td>FSVPENGHVY</td><td style="background-color: #f9f9f9;"></td><td>VEVSVTKAEQ</td><td style="background-color: #f9f9f9;"></td><td>ELGFAIQTCF</td><td style="background-color: #f9f9f9;"></td><td>ISPYSNPDRM</td></tr>
<tr style="background-color: #eee;"><td>SHYTIIENIC</td><td style="background-color: #f9f9f9;"></td><td>PKDESVKFYS</td><td style="background-color: #f9f9f9;"></td><td>PKRVHFPIPQ</td><td style="background-color: #f9f9f9;"></td><td>ADMDKKRFSF</td><td style="background-color: #f9f9f9;"></td><td>VFKPVFNTSL</td></tr>
<tr style="background-color: #eee;"><td>LFLQCELTLC</td><td style="background-color: #f9f9f9;"></td><td>TKMEKHPQKL</td><td style="background-color: #f9f9f9;"></td><td>PKCVPPDEAC</td><td style="background-color: #f9f9f9;"></td><td>TSLDASIIWA</td><td style="background-color: #f9f9f9;"></td><td>MMQNKKTFTK</td></tr>
<tr style="background-color: #eee;"><td>PLAVIHHEAE</td><td style="background-color: #f9f9f9;"></td><td>SKEKGPSMKE</td><td style="background-color: #f9f9f9;"></td><td>PNPISPPIFH</td><td style="background-color: #f9f9f9;"></td><td>GLDTLTVMGI</td><td style="background-color: #f9f9f9;"></td><td>AFAAFVIGAL</td></tr>
<tr style="background-color: #eee;"><td>LTGALWYIYS</td><td style="background-color: #f9f9f9;"></td><td>HTGETAGRQQ</td><td style="background-color: #f9f9f9;"></td><td>VPTSPPASEN</td><td style="background-color: #f9f9f9;"></td><td>SSAAHSIGST</td><td style="background-color: #f9f9f9;"></td><td>QSTPCSSSST</td></tr>
<tr style="background-color: #eee;"><td>A</td></tr>
</table>