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Identification
HMDB Protein ID HMDBP00499
Secondary Accession Numbers
  • 5746
Name Sterol O-acyltransferase 2
Synonyms
  1. ACAT-2
  2. Acyl-coenzyme A:cholesterol acyltransferase 2
  3. Cholesterol acyltransferase 2
Gene Name SOAT2
Protein Type Enzyme
Biological Properties
General Function Involved in acyl-CoA binding
Specific Function Plays a role in lipoprotein assembly and dietary cholesterol absorption. In addition to its acyltransferase activity, it may act as a ligase. May provide cholesteryl esters for lipoprotein secretion from hepatocytes and intestinal mucosa.
Pathways
  • Steroid biosynthesis
Reactions
Acyl-CoA + Cholesterol → Coenzyme A + cholesterol ester details
GO Classification
Biological Process
cholesterol efflux
macrophage derived foam cell differentiation
cholesterol esterification
cholesterol metabolic process
intestinal cholesterol absorption
very-low-density lipoprotein particle assembly
cholesterol homeostasis
Cellular Component
endoplasmic reticulum membrane
brush border
integral to membrane
Molecular Function
cholesterol O-acyltransferase activity
cholesterol binding
fatty-acyl-CoA binding
Cellular Location
  1. Endoplasmic reticulum membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location 12
Locus 12q13.13
SNPs SOAT2
Gene Sequence
>1569 bp
ATGGAGCCAGGCGGGGCCCGTCTGCGTCTGCAGAGGACAGAAGGGCTGGGAGGGGAGCGG
GAGCGCCAACCCTGTGGAGATGGAAACACTGAGACGCACAGAGCCCCGGACTTGGTACAA
TGGACCCGACACATGGAGGCTGTGAAGGCACAATTGCTGGAGCAAGCGCAGGGACAACTG
AGGGAGCTGCTGGATCGGGCCATGCGGGAGGCTATACAATCCTACCCATCACAAGACAAA
CCTCTGCCCCCACCTCCCCCAGGTTCCTTGAGCAGGACCCAGGAGCCATCCCTGGGGAAA
CAGAAAGTTTTCATCATCCGCAAGTCCCTGCTTGATGAGCTGATGGAGGTGCAGCATTTC
CGCACCATCTACCACATGTTCATCGCTGGCCTGTGTGTCTTCATCATCAGCACCCTGGCC
ATCGACTTCATTGATGAGGGCAGGCTGCTGCTGGAGTTTGACCTACTGATCTTCAGCTTC
GGACAGCTGCCATTGGCGCTGGTGACCTGGGTGCCCATGTTTCTGTCCACCCTGTTGGCG
CCGTACCAGGCCCTACGGCTGTGGGCCAGGGGCACCTGGACGCAGGCGACGGGCCTGGGC
TGTGCGCTGCTAGCCGCCCACGCCGTGGTGCTCTGCGCGCTGCCGGTCCACGTGGCCGTG
GAGCATCAGCTCCCGCCGGCCTCCCGTTGTGTCCTGGTCTTCGAGCAGGTTAGGTTCCTG
ATGAAAAGCTACTCCTTCCTGAGAGAGGCTGTGCCTGGGACCCTTCGTGCCAGACGAGGT
GAGGGGATCCAGGCCCCCAGTTTCTCCAGCTACCTCTACTTCCTCTTCTGCCCAACACTC
ATCTACAGGGAGACTTACCCTAGGACGCCCTATGTCAGGTGGAATTATGTGGCCAAGAAC
TTTGCCCAGGCCCTGGGATGTGTGCTCTATGCCTGCTTCATCCTGGGCCGCCTCTGTGTT
CCTGTCTTTGCCAACATGAGCCGAGAGCCCTTCAGCACCCGTGCCCTGGTGCTCTCTATC
CTGCATGCCACGTTGCCAGGCATCTTCATGCTGCTGCTCATCTTCTTTGCCTTCCTCCAT
TGCTGGCTCAACGCCTTTGCCGAGATGCTACGATTTGGAGACAGGATGTTCTACCGGGAC
TGGTGGAACTCAACGTCCTTCTCCAACTACTACCGCACTTGGAACGTGGTGGTCCATGAC
TGGCTGTACAGCTACGTGTATCAGGATGGGCTGCGGCTCCTTGGTGCCCGGGCCCGAGGG
GTAGCCATGCTGGGTGTGTTCCTGGTCTCCGCAGTGGCCCATGAGTATATCTTCTGCTTC
GTCCTGGGGTTCTTCTATCCCGTCATGCTGATACTCTTCCTTGTCATTGGAGGAATGTTG
AACTTCATGATGCATGACCAGCGCACCGGCCCGGCATGGAACGTGCTGATGTGGACCATG
CTGTTTCTAGGCCAGGGAATCCAGGTCAGCCTGTACTGCCAGGAGTGGTACGCACGGCGG
CACTGCCCCTTACCCCAGGCAACTTTCTGGGGGCTGGTGACACCTCGATCTTGGTCCTGC
CATACCTAG
Protein Properties
Number of Residues 522
Molecular Weight 59895.735
Theoretical pI 8.638
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Sterol O-acyltransferase 2
MEPGGARLRLQRTEGLGGERERQPCGDGNTETHRAPDLVQWTRHMEAVKAQLLEQAQGQL
RELLDRAMREAIQSYPSQDKPLPPPPPGSLSRTQEPSLGKQKVFIIRKSLLDELMEVQHF
RTIYHMFIAGLCVFIISTLAIDFIDEGRLLLEFDLLIFSFGQLPLALVTWVPMFLSTLLA
PYQALRLWARGTWTQATGLGCALLAAHAVVLCALPVHVAVEHQLPPASRCVLVFEQVRFL
MKSYSFLREAVPGTLRARRGEGIQAPSFSSYLYFLFCPTLIYRETYPRTPYVRWNYVAKN
FAQALGCVLYACFILGRLCVPVFANMSREPFSTRALVLSILHATLPGIFMLLLIFFAFLH
CWLNAFAEMLRFGDRMFYRDWWNSTSFSNYYRTWNVVVHDWLYSYVYQDGLRLLGARARG
VAMLGVFLVSAVAHEYIFCFVLGFFYPVMLILFLVIGGMLNFMMHDQRTGPAWNVLMWTM
LFLGQGIQVSLYCQEWYARRHCPLPQATFWGLVTPRSWSCHT
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID O75908
UniProtKB/Swiss-Prot Entry Name SOAT2_HUMAN
PDB IDs Not Available
GenBank Gene ID AF059203
GeneCard ID SOAT2
GenAtlas ID SOAT2
HGNC ID HGNC:11178
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. Oelkers P, Behari A, Cromley D, Billheimer JT, Sturley SL: Characterization of two human genes encoding acyl coenzyme A:cholesterol acyltransferase-related enzymes. J Biol Chem. 1998 Oct 9;273(41):26765-71. [PubMed:9756920 ]
  3. Chang CC, Sakashita N, Ornvold K, Lee O, Chang ET, Dong R, Lin S, Lee CY, Strom SC, Kashyap R, Fung JJ, Farese RV Jr, Patoiseau JF, Delhon A, Chang TY: Immunological quantitation and localization of ACAT-1 and ACAT-2 in human liver and small intestine. J Biol Chem. 2000 Sep 8;275(36):28083-92. [PubMed:10846185 ]
  4. Katsuren K, Tamura T, Arashiro R, Takata K, Matsuura T, Niikawa N, Ohta T: Structure of the human acyl-CoA:cholesterol acyltransferase-2 (ACAT-2) gene and its relation to dyslipidemia. Biochim Biophys Acta. 2001 Apr 30;1531(3):230-40. [PubMed:11325614 ]
  5. Song BL, Qi W, Yang XY, Chang CC, Zhu JQ, Chang TY, Li BL: Organization of human ACAT-2 gene and its cell-type-specific promoter activity. Biochem Biophys Res Commun. 2001 Mar 30;282(2):580-8. [PubMed:11401500 ]