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Protein

Acidic endochitinase

Gene

CHIT3

Organism
Vitis vinifera (Grape)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

Functioni

Defense against chitin containing fungal pathogens.

Catalytic activityi

Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei152Proton donorPROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism, Chitin degradation, Polysaccharide degradation

Protein family/group databases

CAZyiGH18. Glycoside Hydrolase Family 18.

Names & Taxonomyi

Protein namesi
Recommended name:
Acidic endochitinase (EC:3.2.1.14)
Gene namesi
Name:CHIT3
OrganismiVitis vinifera (Grape)
Taxonomic identifieri29760 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsVitalesVitaceaeVitis

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 25Sequence analysisAdd BLAST25
ChainiPRO_000001192126 – 301Acidic endochitinaseAdd BLAST276

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi45 ↔ 92By similarity
Disulfide bondi75 ↔ 82By similarity
Disulfide bondi187 ↔ 216By similarity

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiP51614.

Structurei

3D structure databases

ProteinModelPortaliP51614.
SMRiP51614.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal

Phylogenomic databases

KOiK01183.

Family and domain databases

InterProiView protein in InterPro
IPR001223. Glyco_hydro18_cat.
IPR001579. Glyco_hydro_18_chit_AS.
IPR017853. Glycoside_hydrolase_SF.
PfamiView protein in Pfam
PF00704. Glyco_hydro_18. 1 hit.
SUPFAMiSSF51445. SSF51445. 1 hit.
PROSITEiView protein in PROSITE
PS01095. CHITINASE_18. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P51614-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MARTPQSTPL LISLSVLALL QTSYAGGIAI YWGQNGNEGT LTQTCNTGKY
60 70 80 90 100
SYVNIAFLNK FGNGQTPEIN LAGHCNPASN GCTSVSTGIR NCQNRGIKVM
110 120 130 140 150
LSIGGGAGSY SLSSSNDAQN VANYLWNNFL GGQSSSRPLG DAVLDGIDFD
160 170 180 190 200
IELGSTLHWD DLARALSRIE FQQERGRKVY LTAAPQCPFP DKVPGTALNT
210 220 230 240 250
GLFDYVWVQF YNNPPCQYSS GNTNNLLNSW NRWTSSINST GSFMGLPASS
260 270 280 290 300
AAAGRGFIPA NVLTSQILPV IKRSPKYGGV MLWSKYYDDQ SGYSSSIKSS

V
Length:301
Mass (Da):32,351
Last modified:October 1, 1996 - v1
Checksum:i54E3A59E8E2E007B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Z68123 mRNA. Translation: CAA92207.1.
RefSeqiNP_001268048.1. NM_001281119.1.
UniGeneiVvi.18.

Genome annotation databases

GeneIDi100233088.
KEGGivvi:100233088.

Similar proteinsi

Entry informationi

Entry nameiCHIT3_VITVI
AccessioniPrimary (citable) accession number: P51614
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: May 10, 2017
This is version 89 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families