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Identification
HMDB Protein ID HMDBP00504
Secondary Accession Numbers
  • 5751
  • HMDBP04705
Name Sterol O-acyltransferase 1
Synonyms
  1. ACAT-1
  2. Acyl-coenzyme A:cholesterol acyltransferase 1
  3. Cholesterol acyltransferase 1
Gene Name SOAT1
Protein Type Enzyme
Biological Properties
General Function Involved in acyl-CoA binding
Specific Function Catalyzes the formation of fatty acid-cholesterol esters. Plays a role in lipoprotein assembly and dietary cholesterol absorption. In addition to its acyltransferase activity, it may act as a ligase.
Pathways
  • Alendronate Action Pathway
  • Atorvastatin Action Pathway
  • Cerivastatin Action Pathway
  • CHILD Syndrome
  • Cholesteryl ester storage disease
  • Chondrodysplasia Punctata II, X Linked Dominant (CDPX2)
  • Desmosterolosis
  • Fluvastatin Action Pathway
  • Hyper-IgD syndrome
  • Hypercholesterolemia
  • Ibandronate Action Pathway
  • Lovastatin Action Pathway
  • Lysosomal Acid Lipase Deficiency (Wolman Disease)
  • Mevalonic aciduria
  • Pamidronate Action Pathway
  • Pravastatin Action Pathway
  • Risedronate Action Pathway
  • Rosuvastatin Action Pathway
  • Simvastatin Action Pathway
  • Smith-Lemli-Opitz Syndrome (SLOS)
  • Steroid biosynthesis
  • Steroid Biosynthesis
  • Wolman disease
  • Zoledronate Action Pathway
Reactions
Acyl-CoA + Cholesterol → Coenzyme A + cholesterol ester details
GO Classification
Biological Process
cholesterol efflux
cholesterol storage
macrophage derived foam cell differentiation
positive regulation of amyloid precursor protein biosynthetic process
cholesterol esterification
cholesterol metabolic process
very-low-density lipoprotein particle assembly
cholesterol homeostasis
Cellular Component
endoplasmic reticulum membrane
integral to membrane
Molecular Function
cholesterol O-acyltransferase activity
sterol O-acyltransferase activity
cholesterol binding
O-acyltransferase activity
fatty-acyl-CoA binding
Cellular Location
  1. Endoplasmic reticulum membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location 1
Locus 1q25
SNPs SOAT1
Gene Sequence
>1653 bp
ATGGTGGGTGAAGAGAAGATGTCTCTAAGAAACCGGCTGTCAAAGTCCAGGGAAAATCCT
GAGGAAGATGAAGACCAGAGAAACCCTGCAAAGGAGTCCCTAGAGACACCTAGTAATGGT
CGAATTGACATAAAACAGTTGATAGCAAAGAAGATAAAGTTGACAGCAGAGGCAGAGGAA
TTGAAGCCATTTTTTATGAAGGAAGTTGGCAGTCACTTTGATGATTTTGTGACCAATCTC
ATTGAAAAGTCAGCATCATTAGATAATGGTGGGTGCGCTCTCACAACCTTTTCTGTTCTT
GAAGGAGAGAAAAACAACCATAGAGCGAAGGATTTGAGAGCACCTCCAGAACAAGGAAAG
ATTTTTATTGCAAGGCGCTCTCTCTTAGATGAACTGCTTGAAGTGGACCACATCAGAACA
ATATATCACATGTTTATTGCCCTCCTCATTCTCTTTATCCTCAGCACACTTGTAGTAGAT
TACATTGATGAAGGAAGGCTGGTGCTTGAGTTCAGCCTCCTGTCTTATGCTTTTGGCAAA
TTTCCTACCGTTGTTTGGACCTGGTGGATCATGTTCCTGTCTACATTTTCAGTTCCCTAT
TTTCTGTTTCAACATTGGGCCACTGGCTATAGCAAGAGTTCTCATCCGCTGATCCGTTCT
CTCTTCCATGGCTTTCTTTTCATGATCTTCCAGATTGGAGTTCTAGGTTTTGGACCAACA
TATGTTGTGTTAGCATATACACTGCCACCAGCTTCCCGGTTCATCATTATATTCGAGCAG
ATTCGTTTTGTAATGAAGGCCCACTCATTTGTCAGAGAGAACGTGCCTCGGGTACTAAAT
TCAGCTAAGGAGAAATCAAGCACTGTTCCAATACCTACAGTCAACCAGTATTTGTACTTC
TTATTTGCTCCTACCCTTATCTACCGTGACAGCTATCCCAGGAATCCCACTGTAAGATGG
GGTTATGTCGCTATGAAGTTTGCACAGGTCTTTGGTTGCTTTTTCTATGTGTACTACATC
TTTGAAAGGCTTTGTGCCCCCTTGTTTCGGAATATCAAACAGGAGCCCTTCAGCGCTCGT
GTTCTGGTCCTATGTGTATTTAACTCCATCTTGCCAGGTGTGCTGATTCTCTTCCTTACT
TTTTTTGCCTTTTTGCACTGCTGGCTCAATGCCTTTGCTGAGATGTTACGCTTTGGTGAC
AGGATGTTCTATAAGGATTGGTGGAACTCCACGTCATACTCCAACTATTATAGAACCTGG
AATGTGGTGGTCCATGACTGGCTATATTACTATGCTTACAAGGACTTTCTCTGGTTTTTC
TCCAAGAGATTCAAATCTGCTGCCATGTTAGCTGTCTTTGCTGTATCTGCTGTAGTACAC
GAATATGCCTTGGCTGTTTGCTTGAGCTTTTTCTATCCCGTGCTCTTCGTGCTCTTCATG
TTCTTTGGAATGGCTTTCAACTTCATTGTCAATGATAGTCGGAAAAAGCCGATTTGGAAT
GTTCTGATGTGGACTTCTCTTTTCTTGGGCAATGGAGTCTTACTCTGCTTTTATTCTCAA
GAATGGTATGCACGTCAGCACTGTCCTCTGAAAAATCCCACATTTTTGGATTATGTCCGG
CCACGTTCCTGGACTTGTCGTTACGTGTTTTAG
Protein Properties
Number of Residues 550
Molecular Weight 58130.665
Theoretical pI 9.059
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Sterol O-acyltransferase 1
MVGEEKMSLRNRLSKSRENPEEDEDQRNPAKESLETPSNGRIDIKQLIAKKIKLTAEAEE
LKPFFMKEVGSHFDDFVTNLIEKSASLDNGGCALTTFSVLEGEKNNHRAKDLRAPPEQGK
IFIARRSLLDELLEVDHIRTIYHMFIALLILFILSTLVVDYIDEGRLVLEFSLLSYAFGK
FPTVVWTWWIMFLSTFSVPYFLFQHWATGYSKSSHPLIRSLFHGFLFMIFQIGVLGFGPT
YVVLAYTLPPASRFIIIFEQIRFVMKAHSFVRENVPRVLNSAKEKSSTVPIPTVNQYLYF
LFAPTLIYRDSYPRNPTVRWGYVAMKFAQVFGCFFYVYYIFERLCAPLFRNIKQEPFSAR
VLVLCVFNSILPGVLILFLTFFAFLHCWLNAFAEMLRFGDRMFYKDWWNSTSYSNYYRTW
NVVVHDWLYYYAYKDFLWFFSKRFKSAAMLAVFAVSAVVHEYALAVCLSFFYPVLFVLFM
FFGMAFNFIVNDSRKKPIWNVLMWTSLFLGNGVLLCFYSQEWYARQHCPLKNPTFLDYVR
PRSWTCRYVF
GenBank ID Protein 55959989
UniProtKB/Swiss-Prot ID P35610
UniProtKB/Swiss-Prot Entry Name SOAT1_HUMAN
PDB IDs Not Available
GenBank Gene ID AL451075
GeneCard ID SOAT1
GenAtlas ID SOAT1
HGNC ID HGNC:11177
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Gregory SG, Barlow KF, McLay KE, Kaul R, Swarbreck D, Dunham A, Scott CE, Howe KL, Woodfine K, Spencer CC, Jones MC, Gillson C, Searle S, Zhou Y, Kokocinski F, McDonald L, Evans R, Phillips K, Atkinson A, Cooper R, Jones C, Hall RE, Andrews TD, Lloyd C, Ainscough R, Almeida JP, Ambrose KD, Anderson F, Andrew RW, Ashwell RI, Aubin K, Babbage AK, Bagguley CL, Bailey J, Beasley H, Bethel G, Bird CP, Bray-Allen S, Brown JY, Brown AJ, Buckley D, Burton J, Bye J, Carder C, Chapman JC, Clark SY, Clarke G, Clee C, Cobley V, Collier RE, Corby N, Coville GJ, Davies J, Deadman R, Dunn M, Earthrowl M, Ellington AG, Errington H, Frankish A, Frankland J, French L, Garner P, Garnett J, Gay L, Ghori MR, Gibson R, Gilby LM, Gillett W, Glithero RJ, Grafham DV, Griffiths C, Griffiths-Jones S, Grocock R, Hammond S, Harrison ES, Hart E, Haugen E, Heath PD, Holmes S, Holt K, Howden PJ, Hunt AR, Hunt SE, Hunter G, Isherwood J, James R, Johnson C, Johnson D, Joy A, Kay M, Kershaw JK, Kibukawa M, Kimberley AM, King A, Knights AJ, Lad H, Laird G, Lawlor S, Leongamornlert DA, Lloyd DM, Loveland J, Lovell J, Lush MJ, Lyne R, Martin S, Mashreghi-Mohammadi M, Matthews L, Matthews NS, McLaren S, Milne S, Mistry S, Moore MJ, Nickerson T, O'Dell CN, Oliver K, Palmeiri A, Palmer SA, Parker A, Patel D, Pearce AV, Peck AI, Pelan S, Phelps K, Phillimore BJ, Plumb R, Rajan J, Raymond C, Rouse G, Saenphimmachak C, Sehra HK, Sheridan E, Shownkeen R, Sims S, Skuce CD, Smith M, Steward C, Subramanian S, Sycamore N, Tracey A, Tromans A, Van Helmond Z, Wall M, Wallis JM, White S, Whitehead SL, Wilkinson JE, Willey DL, Williams H, Wilming L, Wray PW, Wu Z, Coulson A, Vaudin M, Sulston JE, Durbin R, Hubbard T, Wooster R, Dunham I, Carter NP, McVean G, Ross MT, Harrow J, Olson MV, Beck S, Rogers J, Bentley DR, Banerjee R, Bryant SP, Burford DC, Burrill WD, Clegg SM, Dhami P, Dovey O, Faulkner LM, Gribble SM, Langford CF, Pandian RD, Porter KM, Prigmore E: The DNA sequence and biological annotation of human chromosome 1. Nature. 2006 May 18;441(7091):315-21. [PubMed:16710414 ]
  3. Chang CC, Huh HY, Cadigan KM, Chang TY: Molecular cloning and functional expression of human acyl-coenzyme A:cholesterol acyltransferase cDNA in mutant Chinese hamster ovary cells. J Biol Chem. 1993 Oct 5;268(28):20747-55. [PubMed:8407899 ]
  4. Lin S, Cheng D, Liu MS, Chen J, Chang TY: Human acyl-CoA:cholesterol acyltransferase-1 in the endoplasmic reticulum contains seven transmembrane domains. J Biol Chem. 1999 Aug 13;274(33):23276-85. [PubMed:10438503 ]