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Identification
HMDB Protein ID HMDBP01090
Secondary Accession Numbers
  • 6379
Name Sphingomyelin phosphodiesterase 2
Synonyms
  1. Lyso-PAF-PLC
  2. Lyso-platelet-activating factor-phospholipase C
  3. N-SMase
  4. Neutral sphingomyelinase
  5. nSMase
Gene Name SMPD2
Protein Type Unknown
Biological Properties
General Function Involved in metal ion binding
Specific Function Converts sphingomyelin to ceramide. Hydrolyze 1-acyl-2-lyso-sn-glycero-3-phosphocholine (lyso-PC) and 1-O-alkyl-2-lyso-sn-glycero-3-phosphocholine (lyso-platelet-activating factor). The physiological substrate seems to be Lyso-PAF.
Pathways
  • sphingolipid metabolism
Reactions
Sphingomyelin + Water → N-acylsphingosine + Phosphorylcholine details
Sphingomyelin + Water → N-Acylsphingosine + Phosphorylcholine details
GO Classification
Biological Process
ceramide biosynthetic process
sphingomyelin metabolic process
response to mechanical stimulus
intracellular protein kinase cascade
nerve growth factor receptor signaling pathway
glycosphingolipid metabolic process
Cellular Component
caveola
integral to plasma membrane
Molecular Function
sphingomyelin phosphodiesterase activity
metal ion binding
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location 6
Locus 6q21
SNPs SMPD2
Gene Sequence
>1272 bp
ATGAAGCTCAACTTCTCCCTGCGACTGCGGATCTTCAACCTCAACTGCTGGGGCATTCCG
TACTTGAGCAAGCACCGGGCCGACCGCATGAGGCGCCTGGGAGACTTTCTGAACCAGGAG
AGCTTCGACCTGGCTTTGCTGGAGGAGGTGTGGAGTGAGCAGGACTTCCAGTACCTGAGA
CAGAAGCTGTCACCTACCTACCCAGCTGCACACCACTTCCGGAGCGGAATCATTGGCAGT
GGCCTCTGTGTCTTCTCCAAACATCCAATCCAGGAGCTTACCCAGCACATCTACACTCTC
AATGGCTACCCCTACATGATCCATCATGGTGACTGGTTCAGTGGGAAGGCTGTGGGGCTG
CTGGTGCTCCATCTAAGTGGCATGGTGCTCAACGCCTATGTGACCCATCTCCATGCCGAA
TACAATCGACAGAAGGACATCTACCTAGCACATCGTGTGGCCCAAGCTTGGGAATTGGCC
CAGTTCATCCACCACACATCCAAGAAGGCAGACGTGGTTCTGTTGTGTGGAGACCTCAAC
ATGCACCCAGAAGACCTGGGCTGCTGCCTGCTGAAGGAGTGGACAGGGCTTCATGATGCC
TATCTTGAAACTCGGGACTTCAAGGGCTCTGAGGAAGGCAACACAATGGTACCCAAGAAC
TGCTACGTCAGCCAGCAGGAGCTGAAGCCATTTCCCTTTGGTGTCCGCATTGACTACGTG
CTTTACAAGGCAGTTTCTGGGTTTTACATCTCCTGTAAGAGTTTTGAAACCACTACAGGC
TTTGACCCTCACAGTGGCACCCCCCTCTCTGATCATGAAGCCCTGATGGCTACTCTGTTT
GTGAGGCACAGCCCCCCACAGCAGAACCCCAGCTCTACCCACGGACCAGCAGAGAGGTCG
CCGTTGATGTGTGTGCTAAAGGAGGCCTGGACGGAGCTGGGTCTGGGCATGGCTCAGGCT
CGCTGGTGGGCCACCTTCGCTAGCTATGTGATTGGCCTGGGGCTGCTTCTCCTGGCACTG
CTGTGTGTCCTGGCGGCTGGAGGAGGGGCCGGGGAAGCTGCCATACTGCTCTGGACCCCC
AGTGTAGGGCTGGTGCTGTGGGCAGGTGCATTCTACCTCTTCCACGTACAGGAGGTCAAT
GGCTTATATAGGGCCCAGGCTGAGCTCCAGCATGTGCTAGGAAGGGCAAGGGAGGCCCAG
GATCTGGGCCCAGAGCCTCAGCCAGCCCTACTCCTGGGGCAGCAGGAGGGGGACAGAACT
AAAGAACAATAA
Protein Properties
Number of Residues 423
Molecular Weight 47645.29
Theoretical pI 6.975
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Sphingomyelin phosphodiesterase 2
MKPNFSLRLRIFNLNCWGIPYLSKHRADRMRRLGDFLNQESFDLALLEEVWSEQDFQYLR
QKLSPTYPAAHHFRSGIIGSGLCVFSKHPIQELTQHIYTLNGYPYMIHHGDWFSGKAVGL
LVLHLSGMVLNAYVTHLHAEYNRQKDIYLAHRVAQAWELAQFIHHTSKKADVVLLCGDLN
MHPEDLGCCLLKEWTGLHDAYLETRDFKGSEEGNTMVPKNCYVSQQELKPFPFGVRIDYV
LYKAVSGFYISCKSFETTTGFDPHRGTPLSDHEALMATLFVRHSPPQQNPSSTHGPAERS
PLMCVLKEAWTELGLGMAQARWWATFASYVIGLGLLLLALLCVLAAGGGAGEAAILLWTP
SVGLVLWAGAFYLFHVQEVNGLYRAQAELQHVLGRAREAQDLGPEPQPALLLGQQEGDRT
KEQ
GenBank ID Protein 3021428
UniProtKB/Swiss-Prot ID O60906
UniProtKB/Swiss-Prot Entry Name NSMA_HUMAN
PDB IDs Not Available
GenBank Gene ID AJ222801
GeneCard ID SMPD2
GenAtlas ID SMPD2
HGNC ID HGNC:11121
References
General References
  1. Mungall AJ, Palmer SA, Sims SK, Edwards CA, Ashurst JL, Wilming L, Jones MC, Horton R, Hunt SE, Scott CE, Gilbert JG, Clamp ME, Bethel G, Milne S, Ainscough R, Almeida JP, Ambrose KD, Andrews TD, Ashwell RI, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beare DM, Beasley H, Beasley O, Bird CP, Blakey S, Bray-Allen S, Brook J, Brown AJ, Brown JY, Burford DC, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Clark SY, Clark G, Clee CM, Clegg S, Cobley V, Collier RE, Collins JE, Colman LK, Corby NR, Coville GJ, Culley KM, Dhami P, Davies J, Dunn M, Earthrowl ME, Ellington AE, Evans KA, Faulkner L, Francis MD, Frankish A, Frankland J, French L, Garner P, Garnett J, Ghori MJ, Gilby LM, Gillson CJ, Glithero RJ, Grafham DV, Grant M, Gribble S, Griffiths C, Griffiths M, Hall R, Halls KS, Hammond S, Harley JL, Hart EA, Heath PD, Heathcott R, Holmes SJ, Howden PJ, Howe KL, Howell GR, Huckle E, Humphray SJ, Humphries MD, Hunt AR, Johnson CM, Joy AA, Kay M, Keenan SJ, Kimberley AM, King A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd CR, Lloyd DM, Loveland JE, Lovell J, Martin S, Mashreghi-Mohammadi M, Maslen GL, Matthews L, McCann OT, McLaren SJ, McLay K, McMurray A, Moore MJ, Mullikin JC, Niblett D, Nickerson T, Novik KL, Oliver K, Overton-Larty EK, Parker A, Patel R, Pearce AV, Peck AI, Phillimore B, Phillips S, Plumb RW, Porter KM, Ramsey Y, Ranby SA, Rice CM, Ross MT, Searle SM, Sehra HK, Sheridan E, Skuce CD, Smith S, Smith M, Spraggon L, Squares SL, Steward CA, Sycamore N, Tamlyn-Hall G, Tester J, Theaker AJ, Thomas DW, Thorpe A, Tracey A, Tromans A, Tubby B, Wall M, Wallis JM, West AP, White SS, Whitehead SL, Whittaker H, Wild A, Willey DJ, Wilmer TE, Wood JM, Wray PW, Wyatt JC, Young L, Younger RM, Bentley DR, Coulson A, Durbin R, Hubbard T, Sulston JE, Dunham I, Rogers J, Beck S: The DNA sequence and analysis of human chromosome 6. Nature. 2003 Oct 23;425(6960):805-11. [PubMed:14574404 ]
  2. 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 ]
  3. Tomiuk S, Hofmann K, Nix M, Zumbansen M, Stoffel W: Cloned mammalian neutral sphingomyelinase: functions in sphingolipid signaling? Proc Natl Acad Sci U S A. 1998 Mar 31;95(7):3638-43. [PubMed:9520418 ]
  4. Sawai H, Domae N, Nagan N, Hannun YA: Function of the cloned putative neutral sphingomyelinase as lyso-platelet activating factor-phospholipase C. J Biol Chem. 1999 Dec 31;274(53):38131-9. [PubMed:10608884 ]