'''Mitohondrijska podjednica alfa trifunkcijskog [[enzim]]a''' znana i kao  '''podjedinica alfa  hidroksiacil-CoA dehidrogenaze/3-ketoacil-CoA tiolaze/enoil-CoA hidrataze alfa (trifunkcijski protein)''' jest [[enzim]] koji je kod [[ljudi]]   [[kodon|kodiran]] [[gen]]om '''HADHA'''   sa  [[hromosom 2|hromosoma 2]]. [[Mutacije]] u ''HADHA'' su povezane sa [[nedostatak mitohondrijskog trifunkcijskog protein|nedostatkom trifunkcijskog proteina]] ili [[nedostatak dugolančane 3-hidroksacil-koenzim A dehidrogenaze|nedostatkom dugolančane 3-hidroksacil-koenzim A dehidrogenaze]].<ref name="entrez">{{cite web|url=https://www.ncbi.nlm.nih.gov/gene/3030|title=Entrez Gene: Hydroxyacyl-CoA dehydrogenase/3-ketoacyl-CoA thiolase/enoyl-CoA hydratase (trifunctional protein), alpha subunit}}</ref>
==Amiokiselininska sekvenca==	
Dužina [[polipeptid]]nog lanca je 763 [[aminokiseline]], a [[molekularna masa|molkekulska iežina]]  83.000  [[dalton (jedinica)|Da]].<ref name="UniProt">{{cite web|url=http://www.uniprot.org/uniprot/P40939#sequences |title=UniProt, P40939 |language=en |access-date=12. 11. 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>MVACRAIGIL</td><td style="background-color: #f9f9f9;"></td><td>SRFSAFRILR</td><td style="background-color: #f9f9f9;"></td><td>SRGYICRNFT</td><td style="background-color: #f9f9f9;"></td><td>GSSALLTRTH</td><td style="background-color: #f9f9f9;"></td><td>INYGVKGDVA</td></tr>
<tr style="background-color: #eee;"><td>VVRINSPNSK</td><td style="background-color: #f9f9f9;"></td><td>VNTLSKELHS</td><td style="background-color: #f9f9f9;"></td><td>EFSEVMNEIW</td><td style="background-color: #f9f9f9;"></td><td>ASDQIRSAVL</td><td style="background-color: #f9f9f9;"></td><td>ISSKPGCFIA</td></tr>
<tr style="background-color: #eee;"><td>GADINMLAAC</td><td style="background-color: #f9f9f9;"></td><td>KTLQEVTQLS</td><td style="background-color: #f9f9f9;"></td><td>QEAQRIVEKL</td><td style="background-color: #f9f9f9;"></td><td>EKSTKPIVAA</td><td style="background-color: #f9f9f9;"></td><td>INGSCLGGGL</td></tr>
<tr style="background-color: #eee;"><td>EVAISCQYRI</td><td style="background-color: #f9f9f9;"></td><td>ATKDRKTVLG</td><td style="background-color: #f9f9f9;"></td><td>TPEVLLGALP</td><td style="background-color: #f9f9f9;"></td><td>GAGGTQRLPK</td><td style="background-color: #f9f9f9;"></td><td>MVGVPAALDM</td></tr>
<tr style="background-color: #eee;"><td>MLTGRSIRAD</td><td style="background-color: #f9f9f9;"></td><td>RAKKMGLVDQ</td><td style="background-color: #f9f9f9;"></td><td>LVEPLGPGLK</td><td style="background-color: #f9f9f9;"></td><td>PPEERTIEYL</td><td style="background-color: #f9f9f9;"></td><td>EEVAITFAKG</td></tr>
<tr style="background-color: #eee;"><td>LADKKISPKR</td><td style="background-color: #f9f9f9;"></td><td>DKGLVEKLTA</td><td style="background-color: #f9f9f9;"></td><td>YAMTIPFVRQ</td><td style="background-color: #f9f9f9;"></td><td>QVYKKVEEKV</td><td style="background-color: #f9f9f9;"></td><td>RKQTKGLYPA</td></tr>
<tr style="background-color: #eee;"><td>PLKIIDVVKT</td><td style="background-color: #f9f9f9;"></td><td>GIEQGSDAGY</td><td style="background-color: #f9f9f9;"></td><td>LCESQKFGEL</td><td style="background-color: #f9f9f9;"></td><td>VMTKESKALM</td><td style="background-color: #f9f9f9;"></td><td>GLYHGQVLCK</td></tr>
<tr style="background-color: #eee;"><td>KNKFGAPQKD</td><td style="background-color: #f9f9f9;"></td><td>VKHLAILGAG</td><td style="background-color: #f9f9f9;"></td><td>LMGAGIAQVS</td><td style="background-color: #f9f9f9;"></td><td>VDKGLKTILK</td><td style="background-color: #f9f9f9;"></td><td>DATLTALDRG</td></tr>
<tr style="background-color: #eee;"><td>QQQVFKGLND</td><td style="background-color: #f9f9f9;"></td><td>KVKKKALTSF</td><td style="background-color: #f9f9f9;"></td><td>ERDSIFSNLT</td><td style="background-color: #f9f9f9;"></td><td>GQLDYQGFEK</td><td style="background-color: #f9f9f9;"></td><td>ADMVIEAVFE</td></tr>
<tr style="background-color: #eee;"><td>DLSLKHRVLK</td><td style="background-color: #f9f9f9;"></td><td>EVEAVIPDHC</td><td style="background-color: #f9f9f9;"></td><td>IFASNTSALP</td><td style="background-color: #f9f9f9;"></td><td>ISEIAAVSKR</td><td style="background-color: #f9f9f9;"></td><td>PEKVIGMHYF</td></tr>
<tr style="background-color: #eee;"><td>SPVDKMQLLE</td><td style="background-color: #f9f9f9;"></td><td>IITTEKTSKD</td><td style="background-color: #f9f9f9;"></td><td>TSASAVAVGL</td><td style="background-color: #f9f9f9;"></td><td>KQGKVIIVVK</td><td style="background-color: #f9f9f9;"></td><td>DGPGFYTTRC</td></tr>
<tr style="background-color: #eee;"><td>LAPMMSEVIR</td><td style="background-color: #f9f9f9;"></td><td>ILQEGVDPKK</td><td style="background-color: #f9f9f9;"></td><td>LDSLTTSFGF</td><td style="background-color: #f9f9f9;"></td><td>PVGAATLVDE</td><td style="background-color: #f9f9f9;"></td><td>VGVDVAKHVA</td></tr>
<tr style="background-color: #eee;"><td>EDLGKVFGER</td><td style="background-color: #f9f9f9;"></td><td>FGGGNPELLT</td><td style="background-color: #f9f9f9;"></td><td>QMVSKGFLGR</td><td style="background-color: #f9f9f9;"></td><td>KSGKGFYIYQ</td><td style="background-color: #f9f9f9;"></td><td>EGVKRKDLNS</td></tr>
<tr style="background-color: #eee;"><td>DMDSILASLK</td><td style="background-color: #f9f9f9;"></td><td>LPPKSEVSSD</td><td style="background-color: #f9f9f9;"></td><td>EDIQFRLVTR</td><td style="background-color: #f9f9f9;"></td><td>FVNEAVMCLQ</td><td style="background-color: #f9f9f9;"></td><td>EGILATPAEG</td></tr>
<tr style="background-color: #eee;"><td>DIGAVFGLGF</td><td style="background-color: #f9f9f9;"></td><td>PPCLGGPFRF</td><td style="background-color: #f9f9f9;"></td><td>VDLYGAQKIV</td><td style="background-color: #f9f9f9;"></td><td>DRLKKYEAAY</td><td style="background-color: #f9f9f9;"></td><td>GKQFTPCQLL</td></tr>
<tr style="background-color: #eee;"><td>ADHANSPNKK</td><td style="background-color: #f9f9f9;"></td><td>FYQ</td></tr>
</table>