Bile acid-CoA:amino acid N-acyltransferase
Details
- Name
- Bile acid-CoA:amino acid N-acyltransferase
- Synonyms
- 2.3.1.65
- BACAT
- Glycine N-choloyltransferase
- Long-chain fatty-acyl-CoA hydrolase
- Gene Name
- BAAT
- Organism
- Humans
- Amino acid sequence
>lcl|BSEQ0019265|Bile acid-CoA:amino acid N-acyltransferase MIQLTATPVSALVDEPVHIRATGLIPFQMVSFQASLEDENGDMFYSQAHYRANEFGEVDL NHASSLGGDYMGVHPMGLFWSLKPEKLLTRLLKRDVMNRPFQVQVKLYDLELIVNNKVAS APKASLTLERWYVAPGVTRIKVREGRLRGALFLPPGEGLFPGVIDLFGGLGGLLEFRASL LASRGFASLALAYHNYEDLPRKPEVTDLEYFEEAANFLLRHPKVFGSGVGVVSVCQGVQI GLSMAIYLKQVTATVLINGTNFPFGIPQVYHGQIHQPLPHSAQLISTNALGLLELYRTFE TTQVGASQYLFPIEEAQGQFLFIVGEGDKTINSKAHAEQAIGQLKRHGKNNWTLLSYPGA GHLIEPPYSPLCCASTTHDLRLHWGGEVIPHAAAQEHAWKEIQRFLRKHLIPDVTSQL
- Number of residues
- 418
- Molecular Weight
- 46298.865
- Theoretical pI
- 7.0
- GO Classification
- Functionscarboxylic ester hydrolase activity / glycine N-choloyltransferase activity / long-chain acyl-CoA hydrolase activity / medium-chain acyl-CoA hydrolase activity / N-acyltransferase activity / palmitoyl-CoA hydrolase activity / receptor binding / very long chain acyl-CoA hydrolase activityProcessesacyl-CoA metabolic process / bile acid and bile salt transport / bile acid biosynthetic process / bile acid conjugation / bile acid metabolic process / fatty acid metabolic process / glycine metabolic process / liver development / organ regeneration / small molecule metabolic process / taurine metabolic processComponentscytosol / peroxisomal matrix / peroxisome
- General Function
- Very long chain acyl-coa hydrolase activity
- Specific Function
- Involved in bile acid metabolism. In liver hepatocytes catalyzes the second step in the conjugation of C24 bile acids (choloneates) to glycine and taurine before excretion into bile canaliculi. The major components of bile are cholic acid and chenodeoxycholic acid. In a first step the bile acids are converted to an acyl-CoA thioester, either in peroxisomes (primary bile acids deriving from the cholesterol pathway), or cytoplasmic at the endoplasmic reticulum (secondary bile acids). May catalyze the conjugation of primary or secondary bile acids, or both. The conjugation increases the detergent properties of bile acids in the intestine, which facilitates lipid and fat-soluble vitamin absorption. In turn, bile acids are deconjugated by bacteria in the intestine and are recycled back to the liver for reconjugation (secondary bile acids). May also act as an acyl-CoA thioesterase that regulates intracellular levels of free fatty acids. In vitro, catalyzes the hydrolysis of long- and very long-chain saturated acyl-CoAs to the free fatty acid and coenzyme A (CoASH), and conjugates glycine to these acyl-CoAs.
- Pfam Domain Function
- Transmembrane Regions
- Not Available
- Cellular Location
- Cytoplasm
- Gene sequence
>lcl|BSEQ0019266|Bile acid-CoA:amino acid N-acyltransferase (BAAT) ATGATCCAGTTGACAGCTACCCCTGTGAGTGCACTTGTTGATGAGCCAGTGCATATCCGA GCTACAGGCCTGATTCCCTTTCAGATGGTGAGTTTTCAGGCATCACTGGAAGATGAAAAC GGAGACATGTTTTATTCTCAAGCCCACTATAGGGCCAATGAATTCGGTGAGGTGGACCTG AATCATGCTTCTTCACTTGGAGGGGATTATATGGGAGTCCACCCCATGGGTCTCTTCTGG TCTCTGAAACCTGAAAAGCTATTAACAAGACTGTTGAAAAGAGATGTGATGAATAGGCCT TTCCAGGTCCAAGTAAAACTTTATGACTTAGAGTTAATAGTGAACAATAAAGTTGCCAGT GCTCCAAAGGCCAGCCTGACTTTGGAGAGGTGGTATGTGGCACCTGGTGTCACACGAATT AAGGTTCGAGAAGGCCGCCTTCGAGGAGCTCTCTTTCTCCCTCCAGGAGAGGGTCTCTTC CCAGGGGTAATTGATTTGTTTGGTGGTTTGGGTGGGCTGCTTGAATTTCGGGCCAGCCTC CTAGCCAGTCGTGGCTTCGCCTCCTTGGCCTTGGCTTACCATAACTATGAAGACCTGCCC CGCAAACCAGAAGTAACAGATTTGGAATATTTTGAGGAGGCTGCCAACTTTCTCCTGAGA CATCCAAAGGTCTTTGGCTCAGGCGTTGGGGTAGTCTCTGTATGTCAAGGAGTACAGATT GGACTATCTATGGCTATTTACCTAAAGCAAGTCACAGCCACGGTACTTATTAATGGGACC AACTTTCCTTTTGGCATTCCACAGGTATATCATGGTCAGATCCATCAGCCCCTTCCCCAT TCTGCACAATTAATATCCACCAATGCCTTGGGGTTACTAGAGCTCTATCGCACTTTTGAG ACAACTCAAGTTGGGGCCAGTCAATATTTGTTTCCTATTGAAGAGGCCCAGGGGCAATTC CTCTTCATTGTAGGAGAAGGTGATAAGACTATCAACAGCAAAGCACACGCTGAACAAGCC ATAGGACAGCTGAAGAGACATGGGAAGAACAACTGGACCCTGCTATCTTACCCTGGGGCA GGCCACCTGATAGAACCTCCCTATTCTCCTCTGTGCTGTGCCTCAACGACCCACGATTTG AGGTTACACTGGGGAGGAGAGGTGATCCCACACGCAGCTGCACAGGAACATGCTTGGAAG GAGATCCAGAGATTTCTCAGGAAGCACCTCATTCCAGATGTGACCAGTCAACTCTAA
- Chromosome Location
- 9
- Locus
- 9q22.3
- External Identifiers
Resource Link UniProtKB ID Q14032 UniProtKB Entry Name BAAT_HUMAN GenBank Protein ID 532505 GenBank Gene ID L34081 GenAtlas ID BAAT HGNC ID HGNC:932 - General References
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