RareLSD_Id | 1021 |
ENZYME | Beta Hexosaminidase alpha-subunit |
GENE | HEXA |
E.C.NUMBER | 3.2.1.52 |
FAMILY | GH20 |
CYTOGENETICS | 15q23 |
DISEASE | GM2gangliosidosis type I (TaySach's disease) |
SNP | rs1012228669,rs1050913691,rs1057516617 ,rs1057516 |
DEPOSIT | GM2 gangliosides&molecules containing terminal N-acetyl hexosamines |
REF | 7898712 , 19858779 , 9603435 |
TEMP (in Celsius) | 30 |
pI | NA |
pH | 4.25 |
Catalytic Nucleophile | NA |
Catalytic Acid/Base
| Glu |
Substrate | N-acetylbetaD-hexosaminides + H2O |
Product | N-acetylD-hexosamines |
Structure(PDB/Phyre2_ID) | 2GK1 |
kM | 0.046 |
DRUG | Acetylleucine |
SEQ LENGTH | 529 |
AA SEQ | MTSSRLWFSLLLAAAFAGRATALWPWPQNFQTSDQRYVLYPNNFQFQYDVSSAAQPGCSVLDEAFQRYRDLLFGSGSWPRPYLTGKRHTLEKNVLVVSVVTPGCNQLPTLESVENYTLTINDDQCLLLSETVWGALRGLETFSQLVWKSAEGTFFINKTEIEDFPRFPHRGLLLDTSRHYLPLSSILDTLDVMAYNKLNVFHWHLVDDPSFPYESFTFPELMRKGSYNPVTHIYTAQDVKEVIEYARLRGIRVLAEFDTPGHTLSWGPGIPGLLTPCYSGSEPSGTFGPVNPSLNNTYEFMSTFFLEVSSVFPDFYLHLGGDEVDFTCWKSNPEIQDFMRKKGFGEDFKQLESFYIQTLLDIVSSYGKGYVVWQEVFDNKVKIQPDTIIQVWREDIPVNYMKELELVTKAGFRALLSAPWYLNRISYGPDWKDFYIVEPLAFEGTPEQKALVIGGEACMWGEYVDNTNLVPRLWPRAGAVAERLWSNKLTSDLTFAYERLSHFRCELLRRGVQAQPLNVGFCEQEFEQT |
MODIFICATION | N-linked Glycosylation:Asn115,Asn157,Asn295,N-linked glycan:Asn115 consists of Man(3)Glcc(2) |
INHIBITOR | O(2-acetamido2-deoxyD-glucopyranosylidene)amino N-phenylcarbamate,N-[1-(7-aminoheptyl)]2-acetamido1,2,5-trideoxy1,5-iminoD-glucitol,Cu2+,2acetamido1,2dideoxy1,5iminoD-glucitol,Gthiazoline |
ACTIVE SITE RESIDUE | Glu323 |
DISULPHIDE BRIDGES | *58-104,*277-328,*505-522 |
PSEUDOGENES | NA |
MISCELLANEOUS | NA |
PARALOGS | HEXB |
MECHANISM | Neighbouring group participation |
INHERITANCE PATTERN | Autosomal recessive |
ORGAN AFFECTED | Nervous System,Lungs,Eye |
ENZYME LOCATION | NMBH |
UniProt ID | P06865 |