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Protein

Acidic endochitinase

Gene
N/A
Organism
Dioscorea japonica (Japanese yam)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at protein 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.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation
LigandChitin-binding

Protein family/group databases

CAZyiCBM18. Carbohydrate-Binding Module Family 18.
GH19. Glycoside Hydrolase Family 19.

Names & Taxonomyi

Protein namesi
Recommended name:
Acidic endochitinase (EC:3.2.1.14)
OrganismiDioscorea japonica (Japanese yam)
Taxonomic identifieri4673 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaDioscorealesDioscoreaceaeDioscorea

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001248261 – 250Acidic endochitinaseAdd BLAST250

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1Pyrrolidone carboxylic acid1 Publication1
Disulfide bondi3 ↔ 12PROSITE-ProRule annotation
Disulfide bondi5 ↔ 18PROSITE-ProRule annotation
Disulfide bondi11 ↔ 25PROSITE-ProRule annotation
Disulfide bondi29 ↔ 34PROSITE-ProRule annotation
Disulfide bondi66 ↔ 115PROSITE-ProRule annotation1 Publication
Disulfide bondi128 ↔ 136PROSITE-ProRule annotation1 Publication
Disulfide bondi218 ↔ 250PROSITE-ProRule annotation1 Publication

Keywords - PTMi

Disulfide bond, Pyrrolidone carboxylic acid

Structurei

3D structure databases

ProteinModelPortaliP80052.
SMRiP80052.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini1 – 36Chitin-binding type-1PROSITE-ProRule annotationAdd BLAST36

Sequence similaritiesi

Family and domain databases

CDDicd00325. chitinase_glyco_hydro_19. 1 hit.
Gene3Di3.30.60.10. 1 hit.
InterProiView protein in InterPro
IPR001002. Chitin-bd_1.
IPR018371. Chitin-binding_1_CS.
IPR036861. Endochitinase-like_sf.
IPR016283. Glyco_hydro_19.
IPR000726. Glyco_hydro_19_cat.
IPR023346. Lysozyme-like_dom_sf.
PfamiView protein in Pfam
PF00182. Glyco_hydro_19. 2 hits.
PIRSFiPIRSF001060. Endochitinase. 1 hit.
ProDomiView protein in ProDom or Entries sharing at least one domain
PD000609. Chitin_bd_1. 1 hit.
SMARTiView protein in SMART
SM00270. ChtBD1. 1 hit.
SUPFAMiSSF53955. SSF53955. 1 hit.
SSF57016. SSF57016. 1 hit.
PROSITEiView protein in PROSITE
PS00026. CHIT_BIND_I_1. 1 hit.
PS50941. CHIT_BIND_I_2. 1 hit.
PS00773. CHITINASE_19_1. 1 hit.
PS00774. CHITINASE_19_2. 1 hit.

Sequencei

Sequence statusi: Complete.

P80052-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
QNCQCDTTIY CCSQHGYCGN SYDYCGPGCQ AGPCWDPCEG DGTLTVSDIV
60 70 80 90 100
TQEFWDGIAS QAAANCPGKS FYTRSNFLEA VSAYPGFGTK CTDEDRKREI
110 120 130 140 150
AAYFAHVTHE TGHLCYIEER DGHANNYCQE SQQYPCNPNK EYFGRGPMQL
160 170 180 190 200
SWNYNYIDAG KELHFDGLND PDIVGRDPII SFKTSLWFWI RKGVQYVILD
210 220 230 240 250
PNQGFGATIR IINGGQECDG HNTAQMMARV GYYQEYCAQL GVSPGNNLPC
Length:250
Mass (Da):27,908
Last modified:February 1, 1994 - v2
Checksum:i958E0816553C4985
GO

Sequence databases

PIRiA44039.

Similar proteinsi

Entry informationi

Entry nameiCHIT_DIOJA
AccessioniPrimary (citable) accession number: P80052
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 1992
Last sequence update: February 1, 1994
Last modified: November 22, 2017
This is version 96 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

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