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Chitotriosidase-1

ID 1682
Name Chitotriosidase-1
Synonyms
  • EC 3.2.1.14
  • Chitinase-1
  • Chitotriosidase-1 precursor
Gene Name CHIT1
Protein Sequence
>Chitotriosidase-1 precursor
MVRSVAWAGFMVLLMIPWGSAAKLVCYFTNWAQYRQGEARFLPKDLDPSLCTHLIYAFAG
MTNHQLSTTEWNDETLYQEFNGLKKMNPKLKTLLAIGGWNFGTQKFTDMVATANNRQTFV
NSAIRFLRKYSFDGLDLDWEYPGSQGSPAVDKERFTTLVQDLANAFQQEAQTSGKERLLL
SAAVPAGQTYVDAGYEVDKIAQNLDFVNLMAYDFHGSWEKVTGHNSPLYKRQEESGAAAS
LNVDAAVQQWLQKGTPASKLILGMPTYGRSFTLASSSDTRVGAPATGSGTPGPFTKEGGM
LAYYEVCSWKGATKQRIQDQKVPYIFRDNQWVGFDDVESFKTKVSYLKQKGLGGAMVWAL
DLDDFAGFSCNQGRYPLIQTLRQELSLPYLPSGTPELEVPKPGQPSEPEHGPSPGQDTFC
QGKADGLYPNPRERSSFYSCAAGRLFQQSCPTGLVFSNSCKCCTWN
Number of Residues 466
Molecular Weight 51682
Theoretical pI 6.96
GO Classification
Component
extracellular region
Function
binding
pattern binding
polysaccharide binding
catalytic activity
chitin binding
chitinase activity
hydrolase activity
hydrolase activity, acting on glycosyl bonds
hydrolase activity, hydrolyzing O-glycosyl compounds
Process
amine metabolism
amino sugar metabolism
physiological process
metabolism
glucosamine metabolism
macromolecule metabolism
N-acetylglucosamine metabolism
carbohydrate metabolism
chitin metabolism
chitin catabolism
nitrogen compound metabolism
General Function Involved in chitinase activity
Specific Function Degrades chitin and chitotriose. May participate in the defense against nematodes and other pathogens. Isoform 3 has no enzymatic activity
Pathways Not Available
Reactions
  • Random hydrolysis of N-acetyl-beta-D-glucosaminide 1,4-beta-linkages in chitin and chitodextrins ALL_REAC (other) R01206 R02334 R06081(G) R06082(G) INHIBITOR Allosamidine
Pfam Domain Function
Signals 1-21
Transmembrane Regions None
Essentiality Non-Essential
GenBank Protein ID 1050958 Link_out
UniProtKB ID Q13231 Link_out
UniProtKB Entry Name CHIT1_HUMAN Link_out
PDB ID 1WB0 Link_out
PDB File show
3D Structure View 3D Structure
Cellular Location Secreted protein. Lysosome. Note=A small proportion is lysosomal
Gene Sequence
>1401 bp
ATGGTGCGGTCTGTGGCCTGGGCAGGTTTCATGGTCCTGCTGATGATCCCATGGGGCTCT
GCTGCAAAACTGGTCTGCTACTTCACCAACTGGGCCCAGTACAGACAGGGGGAGGCTCGC
TTCCTGCCCAAGGACTTGGACCCCAGCCTTTGCACCCACCTCATCTACGCCTTCGCTGGC
ATGACCAACCACCAGCTGAGCACCACTGAGTGGAATGACGAGACTCTCTACCAGGAGTTC
AATGGCCTGAAGAAGATGAATCCCAAGCTGAAGACCCTGTTAGCCATCGGAGGCTGGAAT
TTCGGCACTCAGAAGTTCACAGATATGGTAGCCACGGCCAACAACCGTCAGACCTTTGTC
AACTCGGCCATCAGGTTTCTGCGCAAATACAGCTTTGACGGCCTTGACCTTGACTGGGAG
TACCCAGGAAGCCAGGGGAGCCCTGCCGTAGACAAGGAGCGCTTCACAACCCTGGTACAG
GACTTGGCCAATGCCTTCCAGCAGGAAGCCCAGACCTCAGGGAAGGAACGCCTTCTTCTG
AGTGCAGCGGTTCCAGCTGGGCAGACCTATGTGGATGCTGGATACGAGGTGGACAAAATC
GCCCAGAACCTGGATTTTGTCAACCTTATGGCCTACGACTTCCATGGCTCTTGGGAGAAG
GTCACGGGACATAACAGCCCCCTCTACAAGAGGCAAGAAGAGAGTGGTGCAGCAGCCAGC
CTCAACGTGGATGCTGCTGTGCAACAGTGGCTGCAGAAGGGGACCCCTGCCAGCAAGCTG
ATCCTTGGCATGCCTACCTACGGACGCTCCTTCACACTGGCCTCCTCATCAGACACCAGA
GTGGGGGCCCCAGCCACAGGGTCTGGCACTCCAGGCCCCTTCACCAAGGAAGGAGGGATG
CTGGCCTACTATGAAGTCTGCTCCTGGAAGGGGGCCACCAAACAGAGAATCCAGGATCAG
AAGGTGCCCTACATCTTCCGGGACAACCAGTGGGTGGGCTTTGATGATGTGGAGAGCTTC
AAAACCAAGGTCAGCTATCTGAAGCAGAAGGGACTGGGCGGGGCCATGGTCTGGGCACTG
GACTTAGATGACTTTGCCGGCTTCTCCTGCAACCAGGGCCGATACCCCCTCATCCAGACG
CTACGGCAGGAACTGAGTCTTCCATACTTGCCTTCAGGCACCCCAGAGCTTGAAGTTCCA
AAACCAGGTCAGCCCTCTGAACCTGAGCATGGCCCCAGCCCTGGACAAGACACGTTCTGC
CAGGGCAAAGCTGATGGGCTCTATCCCAATCCTCGGGAACGGTCCAGCTTCTACAGCTGT
GCAGCGGGGCGGCTGTTCCAGCAAAGCTGCCCGACAGGCCTGGTGTTCAGCAACTCCTGC
AAATGCTGCACCTGGAATTGA
GenBank Gene ID U29615 Link_out
GeneCard ID CHIT1 Link_out
GenAtlas ID CHIT1 Link_out
HGNC ID HGNC:1936 Link_out
HPRD ID 02494
IUPHAR ID Not Available
Guide to Pharmacology ID Not Available
Chromosome Location Not Available
Locus 1q31-q32
SNPs CHIT1 Link_out
General References
  1. Boot RG, Renkema GH, Strijland A, van Zonneveld AJ, Aerts JM: Cloning of a cDNA encoding chitotriosidase, a human chitinase produced by macrophages. J Biol Chem. 1995 Nov 3;270(44):26252-6. Pubmed
  2. Renkema GH, Boot RG, Muijsers AO, Donker-Koopman WE, Aerts JM: Purification and characterization of human chitotriosidase, a novel member of the chitinase family of proteins. J Biol Chem. 1995 Feb 3;270(5):2198-202. Pubmed
  3. Boot RG, Renkema GH, Verhoek M, Strijland A, Bliek J, de Meulemeester TM, Mannens MM, Aerts JM: The human chitotriosidase gene. Nature of inherited enzyme deficiency. J Biol Chem. 1998 Oct 2;273(40):25680-5. Pubmed
  4. Fusetti F, von Moeller H, Houston D, Rozeboom HJ, Dijkstra BW, Boot RG, Aerts JM, van Aalten DM: Structure of human chitotriosidase. Implications for specific inhibitor design and function of mammalian chitinase-like lectins. J Biol Chem. 2002 Jul 12;277(28):25537-44. Epub 2002 Apr 17. Pubmed
Drugs
# DrugBank ID Drug Name Drug Type Drug Groups
1 DB03539 2-(Acetylamino)-2-Deoxy-6-O-Methyl-Alpha-D-Allopyranose small molecule experimental
2 DB04404 Allosamizoline small molecule experimental
3 DB04350 Argadin small molecule experimental
4 DB03632 Argifin small molecule experimental
5 DB03109 N-Acetyl-D-Allosamine small molecule experimental