Identification
HMDB Protein ID CDBP03981
Secondary Accession Numbers Not Available
Name Sphingomyelin phosphodiesterase 4
Description Not Available
Synonyms
  1. Neutral sphingomyelinase 3
  2. Neutral sphingomyelinase III
  3. nSMase-3
  4. nSMase3
Gene Name SMPD4
Protein Type Enzyme
Biological Properties
General Function Involved in metal ion binding
Specific Function Catalyzes the hydrolysis of membrane sphingomyelin to form phosphorylcholine and ceramide.
GO Classification
Biological Process
ceramide biosynthetic process
sphingomyelin catabolic process
cellular response to tumor necrosis factor
glycosphingolipid metabolic process
glycerophospholipid catabolic process
Cellular Component
endoplasmic reticulum membrane
Golgi apparatus
trans-Golgi network
integral to membrane
Golgi membrane
Molecular Function
sphingomyelin phosphodiesterase activity
metal ion binding
sphingomyelin phosphodiesterase D activity
Cellular Location
  1. Golgi apparatus membrane
  2. Endoplasmic reticulum membrane
  3. Single-pass membrane protein
  4. Single-pass membrane protein
Pathways
Gene Properties
Chromosome Location 2
Locus 2q21.1
SNPs SMPD4
Gene Sequence
>2601 bp
ATGACGACTTTCGGCGCCGTGGCGGAATGGCGGCTTCCATCTCTGAGGCGAGCGACGCTA
TGGATCCCACAGTGGTTTGCTAAGAAGGCCATTTTCAACTCTCCACTGGAGGCTGCTATG
GCGTTCCCTCACCTGCAGCAGCCCAGCTTTCTACTGGCTAGCCTGAAAGCTGACTCTATA
AATAAGCCCTTTGCACAGCAGTGCCAAGACTTGGTTAAAGTCATTGAGGACTTTCCAGCA
AAGGAGCTGCACACCATCTTCCCATGGCTGGTAGAAAGCATTTTTGGCAGCCTAGATGGT
GTCCTCGTTGGCTGGAACCTCCGCTGCTTACAGGGGCGCGTGAATCCTGTGGAGTACAGC
ATCGTGATGGAATTTCTCGACCCTGGTGGCCCAATGATGAAGTTGGTTTATAAGCTTCAA
GCTGAAGACTATAAGTTCGACTTTCCTGTCTCCTACTTGCCTGGTCCTGTGAAGGCGTCC
ATCCAGGAGTGCATCCTCCCTGACAGTCCTCTGTACCACAACAAGGTCCAGTTCACCCCT
ACTGGGGGCCTTGGTCTGAACTTGGCCCTGAATCCGTTCGAGTATTACATATTCTTCTTT
GCCTTGAGCCTCATCACTCAGAAGCCACTTCCTGTGTCCCTCCACGTCCGTACTTCAGAC
TGTGCCTATTTCATCCTGGTGGACAGGTACCTGTCATGGTTCCTGCCCACCGAAGGCAGT
GTGCCCCCACCACTCTCCTCCAGCCCAGGGGGGACCAGCCCCTCACCACCTCCCAGGACA
CCAGCCATACCCTTTGCTTCCTATGGCCTCCACCACACTAGCCTCCTAAAGCGACACATC
TCTCATCAGACGTCTGTGAATGCAGACCCCGCCTCCCACGAGATCTGGAGGTCAGAAACT
CTGCTCCAGGTTTTTGTTGAAATGTGGCTTCATCACTATTCCTTGGAGATGTATCAAAAA
ATGCAGTCCCCTCATGCCAAGCTGGAGGTTCTGCACTACCGACTCAGTGTCTCCAGCGCC
CTCTACAGCCCCGCCCAACCCAGCCTCCAGGCCCTCCACGCCTACCAAGAGTCGTTCACG
CCTACTGAGGAGCATGTGTTGGTGGTGCGCCTGCTGCTGAAGCACCTGCACGCCTTTGCC
AACAGCCTGAAGCCAGAGCAGGCCTCACCCTCCGCCCACTCCCACGCCACCAGCCCCCTG
GAGGAGTTCAAACGGGCTGCTGTCCCGAGGTTCGTCCAGCAGAAACTCTACCTCTTCTTG
CAGCATTGCTTTGGCCACTGGCCCCTGGACGCATCGTTCAGAGCTGTCCTGGAGATGTGG
CTGAGCTACCTGCAGCCGTGGCGGTACGCGCCTGACAAGCAGGCTCCGGGCAGCGACTCC
CAGCCCCGGTGTGTGTCGGAGAAATGGGCACCCTTTGTCCAGGAGAACCTGCTGATGTAC
ACCAAGTTGTTTGTGGGCTTTCTGAACCGCGCGCTCCGCACAGACCTGGTCAGCCCCAAG
CACGCGCTCATGGTGTTCCGAGTGGCCAAAGTCTTTGCCCAGCCCAACCTGGCTGAGATG
ATTCAGAAAGGTGAGCAGCTATTCCTGGAGCCAGAGCTGGTCATCCCCCACCGCCAGCAC
CGACTCTTCACGGCCCCCACATTCACTGGGAGCTTCCTGTCACCCTGGCCACCAGCGGTC
ACTGATGCCTCCTTCAAGGTGAAGAGCCACGTCTACAGCCTGGAGGGCCAGGACTGCAAG
TACACCCCGATGTTTGGGCCCGAGGCCCGCACCCTGGTCCTGCGCCTCGCTCAGCTCATC
ACACAGGCCAAACACACAGCCAAGTCCATCTCCGACCAGTGTGCGGAGAGCCCGGCTGGC
CACTCCTTCCTCTCATGGCTGGGCTTTAGCTCCATGGACACCAATGGCTCCTACACAGCC
AACGACCTGGACGAGATGGGGCAAGACAGTGTCCGGAAGACAGATGAATACCTGGAGAAG
GCCCTGGAGTACCTGCGCCAGATATTCCGGCTCAGCGAAGCGCAGCTCAGGCAGTTCACA
CTCGCCTTGGGCACCACCCAGGATGAGAATGGAAAAAAGCAACTCCCCGACTGCATCGTG
GGTGAGGACGGACTCATCCTTACGCCCCTGGGGCGGTACCAGATCATCAATGGGCTGCGA
AGGTTTGAAATTGAGTACCAGGGGGACCCGGAGCTGCAGCCCATCCGGAGCTATGAGATC
GCCAGCTTGGTCCGCACACTCTTTAGGCTGTCGTCTGCCATCAACCACAGATTTGCAGGA
CAGATGGCGGCTCTGTGTTCCCGGGATGACTTCCTCGGCAGCTTCTGTCGCTACCACCTC
ACAGAACCTGGGCTGGCCAGCAGGCACCTGCTGAGCCCTGTGGGGCGGAGGCAGGTGGCC
GGCCACACCCGCGGCCCCAGGCTCAGCCTGCGCTTCCTGGGCAGTTACCGGACGCTGGTC
TCGCTGCTGCTGGCCTTCTTCGTGGCCTCTCTGTTCTGCGTCGGGCCCCTCCCATGCACG
CTGCTGCTCACCCTGGGCTATGTCCTCTACGCCTCTGCCATGACACTGCTGACCGAGCGG
GGGAAGCTGCACCAGCCCTGA
Protein Properties
Number of Residues 827
Molecular Weight 86192.575
Theoretical pI 8.646
Pfam Domain Function Not Available
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Sphingomyelin phosphodiesterase 4
MAFPHLQQPSFLLASLKADSINKPFAQQCQDLVKVIEDFPAKELHTIFPWLVESIFGSLD
GVLVGWNLRCLQGRVNPVEYSIVMEFLDPGGPMMKLVYKLQAEDYKFDFPVSYLPGPVKA
SIQECILPDSPLYHNKVQFTPTGGLGLNLALNPFEYYIFFFALSLITQKPLPVSLHVRTS
DCAYFILVDRYLSWFLPTEGSVPPPLSSSPGGTSPSPPPRTPAIPFASYGLHHTSLLKRH
ISHQTSVNADPASHEIWRSETLLQVFVEMWLHHYSLEMYQKMQSPHAKLEVLHYRLSVSS
ALYSPAQPSLQALHAYQESFTPTEEHVLVVRLLLKHLHAFANSLKPEQASPSAHSHATSP
LEEFKRAAVPRFVQQKLYLFLQHCFGHWPLDASFRAVLEMWLSYLQPWRYAPDKQAPGSD
SQPRCVSEKWAPFVQENLLMYTKLFVGFLNRALRTDLVSPKHALMVFRVAKVFAQPNLAE
MIQKGEQLFLEPELVIPHRQHRLFTAPTFTGSFLSPWPPAVTDASFKVKSHVYSLEGQDC
KYTPMFGPEARTLVLRLAQLITQAKHTAKSISDQCAESPAGHSFLSWLGFSSMDTNGSYT
ANDLDEMGQDSVRKTDEYLEKALEYLRQIFRLSEAQLRQFTLALGTTQDENGKKQLPDCI
VGEDGLILTPLGRYQIINGLRRFEIEYQGDPELQPIRSYEIASLVRTLFRLSSAINHRFA
GQMAALCSRDDFLGSFCRYHLTEPGLASRHLLSPVGRRQVAGHTRGPRLSLRFLGSYRTL
VSLLLAFFVASLFCVGPLPCTLLLTLGYVLYASAMTLLTERGKLHQP
GenBank ID Protein 102467481
UniProtKB/Swiss-Prot ID Q9NXE4
UniProtKB/Swiss-Prot Entry Name NSMA3_HUMAN
PDB IDs Not Available
GenBank Gene ID Not Available
GeneCard ID SMPD4
GenAtlas ID SMPD4
HGNC ID HGNC:32949
References
General References Not Available