FUNCTION: Ceramide synthase that catalyzes the transfer of the acyl chain from acyl-CoA to a sphingoid base, with high selectivity toward palmitoyl-CoA (hexadecanoyl-CoA; C16:0-CoA)(PubMed:16951403, PubMed:18541923, PubMed:22144673, PubMed:22661289, PubMed:23530041, PubMed:26887952, PubMed:29632068,...
                        FUNCTION: Ceramide synthase that catalyzes the transfer of the acyl chain from acyl-CoA to a sphingoid base, with high selectivity toward palmitoyl-CoA (hexadecanoyl-CoA; C16:0-CoA)(PubMed:16951403, PubMed:18541923, PubMed:22144673, PubMed:22661289, PubMed:23530041, PubMed:26887952, PubMed:29632068, PubMed:31916624). Can use other acyl donors, but with less efficiency (By similarity). N-acylates sphinganine and sphingosine bases to form dihydroceramides and ceramides in de novo synthesis and salvage pathways, respectively (PubMed:31916624). Plays a role in de novo ceramide synthesis and surfactant homeostasis in pulmonary epithelia (By similarity). {ECO:0000250|UniProtKB:Q9D6K9, ECO:0000269|PubMed:16951403, ECO:0000269|PubMed:18541923, ECO:0000269|PubMed:22144673, ECO:0000269|PubMed:22661289, ECO:0000269|PubMed:23530041, ECO:0000269|PubMed:26887952, ECO:0000269|PubMed:29632068, ECO:0000269|PubMed:31916624}.
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                        GO - Biological processes (BP): 
                        ceramide biosynthetic process [GO:0046513]; sphingolipid biosynthetic process [GO:0030148]...
                        ceramide biosynthetic process [GO:0046513]; sphingolipid biosynthetic process [GO:0030148]
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                        GO - Molecular function (MF): 
                        DNA binding [GO:0003677]; N-acyltransferase activity [GO:0016410]; sphingosine N-acyltransferase activity [GO:0050291]...
                        DNA binding [GO:0003677]; N-acyltransferase activity [GO:0016410]; sphingosine N-acyltransferase activity [GO:0050291]
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                        GO - Cellular component (CC): 
                        endoplasmic reticulum [GO:0005783]; endoplasmic reticulum membrane [GO:0005789]; integral component of membrane [GO:0016021]...
                        endoplasmic reticulum [GO:0005783]; endoplasmic reticulum membrane [GO:0005789]; integral component of membrane [GO:0016021]
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