Variant position: 535 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: 631 The length of the canonical sequence.
Location on the sequence:
The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.
Residue conservation: The multiple alignment of the region surrounding the variant against various orthologous sequences.
Human DHETYILNLTQANIPGAIPH WQLLYRARETYGLPNTLPTAW
Mouse DHETYILNLTQANAAGGTPS WKRLYRARETYGLPDAMPASW
Bovine DHETYIMNLTEANEPGATPH WYLLYRARETYGLPNALPTAW
Sequence annotation in neighborhood: The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
Type: the type of sequence feature. Positions: endpoints of the sequence feature. Description: contains additional information about the feature.
Type Positions Description
47 – 631 Sphingomyelin phosphodiesterase
522 – 522 N-linked (GlcNAc...) asparagine
522 – 522 N -> G. Loss of sphingomyelin phosphodiesterase activity. Loss of secretion.
The demographics and distribution of type B Niemann-Pick disease: novel mutations lead to new genotype/phenotype correlations.
Simonaro C.M.; Desnick R.J.; McGovern M.M.; Wasserstein M.P.; Schuchman E.H.;
Am. J. Hum. Genet. 71:1413-1419(2002)
Cited for: VARIANTS NPDB VAL-51; TRP-94; PRO-139; ARG-159; PRO-198; CYS-202; MET-227; CYS-230; ASP-234; SER-247; ARG-250; HIS-291; ALA-325; ARG-332; ASP-359; HIS-378; LEU-378; PRO-381; VAL-415; TYR-423; ARG-433; PRO-434; CYS-437; VAL-454; ASP-458; TRP-476; LEU-477; LEU-482; ASN-490; SER-496; CYS-498; GLN-516; VAL-517; ARG-535; PRO-551; ASN-578; HIS-602 AND PRO-602; VARIANT VAL-487;
Acid sphingomyelinase deficiency. Phenotype variability with prevalence of intermediate phenotype in a series of twenty-five Czech and Slovak patients. A multi-approach study.
Pavluu-Pereira H.; Asfaw B.; Poupctova H.; Ledvinova J.; Sikora J.; Vanier M.T.; Sandhoff K.; Zeman J.; Novotna Z.; Chudoba D.; Elleder M.;
J. Inherit. Metab. Dis. 28:203-227(2005)
Cited for: VARIANTS NPDA ARG-168; LEU-186; HIS-230; VAL-243; ARG-250; GLU-253; ALA-280; HIS-291; LYS-294; PRO-343; HIS-378; TRP-476; ARG-535 AND SER-579; VARIANT ARG-508; CATALYTIC ACTIVITY; CHARACTERIZATION OF VARIANTS NPDA LEU-186; GLU-253; ALA-280; LYS-294; PRO-343 AND HIS-378;
Spectrum of SMPD1 mutations in Asian-Indian patients with acid sphingomyelinase (ASM)-deficient Niemann-Pick disease.
Ranganath P.; Matta D.; Bhavani G.S.; Wangnekar S.; Jain J.M.; Verma I.C.; Kabra M.; Puri R.D.; Danda S.; Gupta N.; Girisha K.M.; Sankar V.H.; Patil S.J.; Ramadevi A.R.; Bhat M.; Gowrishankar K.; Mandal K.; Aggarwal S.; Tamhankar P.M.; Tilak P.; Phadke S.R.; Dalal A.;
Am. J. Med. Genet. A 170:2719-2730(2016)
Cited for: VARIANTS ALA-36; PHE-510 AND GLY-605; VARIANTS NPDA ARG-216; CYS-230; SER-255; ARG-319; PRO-324; ARG-343; ARG-363; HIS-391; ARG-393; SER-426; ILE-494; HIS-498; ARG-535 AND HIS-602; VARIANTS NPDB PRO-105; PHE-282; ASP-320; CYS-369; SER-465; LEU-520 AND LYS-549;
Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.