RareLSD_Id | 1012 |
ENZYME | Alpha-N-acetylgalactosaminidase |
GENE | NAGA |
E.C.NUMBER | 3.2.1.49 |
FAMILY | GH 27 |
CYTOGENETICS | 22q13.3 |
DISEASE | Schindler disease (type I) |
SNP | rs121434529,rs121434532,rs133369,rs2854827,rs779423223 |
DEPOSIT | accumulated substance contain sialic acid/galactose terminal saccharides |
REF | 19683538 |
TEMP (in Celsius) | 37 |
pI | 4.85 |
pH | 4 - 6.8 |
Catalytic Nucleophile | Asp156 |
Catalytic Acid/Base
| Asp217 |
Substrate | 4-methylumbelliferyl+alphaD-galactosaminide + H2O |
Product | 4-methylumbelliferone + alpha-D-galactosamine |
Structure(PDB/Phyre2_ID) | 3H53 |
kM | 0.7 |
DRUG | NA |
SEQ LENGTH | 411 |
AA SEQ | MLLKTVLLLGHVAQVLMLDNGLLQTPPMGWLAWERFRCNINCDEDPKNCISEQLFMEMADRMAQDGWRDMGYTYLNIDDCWIGGRDASGRLMPDPKRFPHGIPFLADYVHSLGLKLGIYADMGNFTCMGYPGTTLDKVVQDAQTFAEWKVDMLKLDGCFSTPEERAQGYPKMAAALNATGRPIAFSCSWPAYEGGLPPRVNYSLLADICNLWRNYDDIQDSWWSVLSILNWFVEHQDILQPVAGPGHWNDPDMLLIGNFGLSLEQSRAQMALWTVLAAPLLMSTDLRTISAQNMDILQNPLMIKINQDPLGIQGRRIHKEKSLIEVYMRPLSNKASALVFFSCRTDMPYRYHSSLGQLNFTGSVIYEAQDVYSGDIISGLRDETNFTVIINPSGVVMWYLYPIKNLEMSQQ |
MODIFICATION | N-linked Glycosylation:Asn124,Asn177,Asn201,Asn359,Asn385,PHOSPHOSERINE:Ser322 ,Ser332 |
INHIBITOR | Ag+,Ca2+,Cu2+,D-galactose,D-glucose,Hg2+,K+,Mg2+,Mn2+,N-acetyl-D-galactosamine,SDS,Zn2+ |
ACTIVE SITE RESIDUE | Trp33,Asp78,Asp79,Tyr119,Cys127,Lys154,Asp156,Cys158,Ser188,Ala191,Tyr192,Arg213,Asp217 |
DISULPHIDE BRIDGES | *38-80,*4249,*127-158,*187-209 |
PSEUDOGENES | NA |
MISCELLANEOUS | NA |
PARALOGS | GLA |
MECHANISM | Koshland double-displacement mechanism |
INHERITANCE PATTERN | Autosomal recessive |
ORGAN AFFECTED | Skin,Hair,Eye,Nervous System,Nose,Ear,Muscle |
ENZYME LOCATION | NA |
UniProt ID | P17050 |