RareLSD_Id | 1003 |
ENZYME | Alpha L-iduronidase |
GENE | IDUA |
E.C.NUMBER | 3.2.1.76 |
FAMILY | GH39 |
CYTOGENETICS | 4p16.3 |
DISEASE | MPS type I (Hurler and Scheie syndromes) |
SNP | VAR_0033754,VAR_0209834,VAR_0033544,VAR_0662214,VAR_0033744,VAR_0662174,VAR_0209804,VAR_0209784,VAR_0209794,VAR_0033684,rs121965019,rs121965020,rs121965021,rs121965027,rs387906504,rs121965029,rs121965031,rs121965032,rs121965033,rs794726878,rs794727896,rs869025584 |
DEPOSIT | Glycosaminoglycans (GAG) Heparan sulfate ,Dermatan Sulpahte |
REF | 12559846, 10735634, 21394825, 7550242, 25256405 |
TEMP (in Celsius) | 37 |
pI | NA |
pH | 3-3.5 |
Catalytic Nucleophile | Glu299 |
Catalytic Acid/Base
| Glu182 |
Substrate | 4-methylumbelliferylalpha-L-iduronide + H2O |
Product | 4-methylumbelliferol + alpha-L-iduronic acid |
Structure(PDB/Phyre2_ID) | 4OBS |
kM | 0.031 (pH 4.2, 32°C |
DRUG | Aldurazyme |
SEQ LENGTH | 653 |
AA SEQ | MRPLRPRAALLALLASLLAAPPVAPAEAPHLVHVDAARALWPLRRFWRSTGFCPPLPHSQADQYVLSWDQQLNLAYVGAVPHRGIKQVRTHWLLELVTTRGSTGRGLSYNFTHLDGYLDLLRENQLLPGFELMGSASGHFTDFEDKQQVFEWKDLVSSLARRYIGRYGLAHVSKWNFETWNEPDHHDFDNVSMTMQGFLNYYDACSEGLRAASPALRLGGPGDSFHTPPRSPLSWGLLRHCHDGTNFFTGEAGVRLDYISLHRKGARSSISILEQEKVVAQQIRQLFPKFADTPIYNDEADPLVGWSLPQPWRADVTYAAMVVKVIAQHQNLLLANTTSAFPYALLSNDNAFLSYHPHPFAQRTLTARFQVNNTRPPHVQLLRKPVLTAMGLLALLDEEQLWAEVSQAGTVLDSNHTVGVLASAHRPQGPADAWRAAVLIYASDDTRAHPNRSVAVTLRLRGVPPGPGLVYVTRYLDNGLCSPDGEWRRLGRPVFPTAEQFRRMRAAEDPVAAAPRPLPAGGRLTLRPALRLPSLLLVHVCARPEKPPGQVTRLRALPLTQGQLVLVWSDEHVGSKCLWTYEIQFSQDGKAYTPVSRKPSTFNLFVFSPDTGAVSGSYRVRALDYWARPGPFSDPVPYLEVPVPRGPPSPGNP |
MODIFICATION | N-linked Glycosylation:Asn372,Asn110,Asn336,Asn415,Asn451, Asn190 |
INHIBITOR | 2-fluoroalphaLidopyranosyluronic acid,fluoride,EDTA,[(2S,3R,4R)3,4-dihydroxy5oxotetrahydrofuran2yl](hydroxy)acetic acid |
ACTIVE SITE RESIDUE | Glu182, Glu299 |
DISULPHIDE BRIDGES | NA |
PSEUDOGENES | NA |
MISCELLANEOUS | NA |
PARALOGS | NA |
MECHANISM | Double displacement mechanismHydrolysis of unsulfated alpha-L-iduronosidic linkages in Dermatan sulfate |
INHERITANCE PATTERN | Autosomal recessive |
ORGAN AFFECTED | Skin, Boness, Head, Liver , Spleen |
ENZYME LOCATION | NMBH |
UniProt ID | P35475 |