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Protein

Acidic endochitinase

Gene
N/A
Organism
Dioscorea japonica (Japanese yam)
Status
Reviewed-Annotation score: -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.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei110Proton donorBy similarity1

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

Cross-referencesi

Sequence databases

PIRiA44039

3D structure databases

ProteinModelPortaliP80052
SMRiP80052
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

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

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

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
ProtoNetiSearch...

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: October 10, 2018
This is version 97 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. SIMILARITY comments
    Index of protein domains and families
  2. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
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Main funding by: National Institutes of Health

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