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

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation

Keywords - Ligandi

Chitin-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)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 250250Acidic endochitinasePRO_0000124826Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei1 – 11Pyrrolidone carboxylic acid
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.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini1 – 3636Chitin-binding type-1PROSITE-ProRule annotationAdd
BLAST

Sequence similaritiesi

Contains 1 chitin-binding type-1 domain.PROSITE-ProRule annotation

Family and domain databases

CDDicd00325. chitinase_glyco_hydro_19. 1 hit.
Gene3Di3.30.60.10. 1 hit.
InterProiIPR001002. Chitin-bd_1.
IPR018371. Chitin-binding_1_CS.
IPR016283. Glyco_hydro_19.
IPR000726. Glyco_hydro_19_cat.
IPR023346. Lysozyme-like_dom.
[Graphical view]
PfamiPF00182. Glyco_hydro_19. 2 hits.
[Graphical view]
PIRSFiPIRSF001060. Endochitinase. 1 hit.
ProDomiPD000609. Chitin_bd_1. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SMARTiSM00270. ChtBD1. 1 hit.
[Graphical view]
SUPFAMiSSF53955. SSF53955. 1 hit.
SSF57016. SSF57016. 1 hit.
PROSITEiPS00026. 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.
[Graphical view]

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.

Cross-referencesi

Sequence databases

PIRiA44039.

3D structure databases

ProteinModelPortaliP80052.
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.
InterProiIPR001002. Chitin-bd_1.
IPR018371. Chitin-binding_1_CS.
IPR016283. Glyco_hydro_19.
IPR000726. Glyco_hydro_19_cat.
IPR023346. Lysozyme-like_dom.
[Graphical view]
PfamiPF00182. Glyco_hydro_19. 2 hits.
[Graphical view]
PIRSFiPIRSF001060. Endochitinase. 1 hit.
ProDomiPD000609. Chitin_bd_1. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SMARTiSM00270. ChtBD1. 1 hit.
[Graphical view]
SUPFAMiSSF53955. SSF53955. 1 hit.
SSF57016. SSF57016. 1 hit.
PROSITEiPS00026. 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.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiCHIT_DIOJA
AccessioniPrimary (citable) accession number: P80052
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 1, 1992
Last sequence update: February 1, 1994
Last modified: September 7, 2016
This is version 91 of the entry and version 2 of the sequence. [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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.