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P21227 - CHIB_PEA


Endochitinase B

Pisum sativum (Garden pea)
Reviewed - Annotation score: 2 out of 5- Experimental evidence at protein leveli
  1. 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

    1. chitinase activity Source: UniProtKB-EC
    2. chitin binding Source: UniProtKB-KW

    GO - Biological processi

    1. chitin catabolic process Source: UniProtKB-KW
    2. defense response Source: UniProtKB-KW
    3. polysaccharide catabolic process Source: UniProtKB-KW

    Keywords - Molecular functioni

    Glycosidase, Hydrolase

    Keywords - Biological processi

    Carbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation

    Keywords - Ligandi


    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Endochitinase B (EC:
    OrganismiPisum sativum (Garden pea)
    Taxonomic identifieri3888 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeFabeaePisum

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – ›23›23Endochitinase BPRO_0000124829Add



    By infection with the fungal pathogen Ascochyta pisi.

    Family & Domainsi

    Sequence similaritiesi

    Family and domain databases

    Gene3Di3.30.60.10. 1 hit.
    InterProiIPR001002. Chitin-bd_1.
    [Graphical view]
    PfamiPF00187. Chitin_bind_1. 1 hit.
    [Graphical view]
    ProDomiPD000609. Chitin_bd_1. 1 hit.
    [Graphical view] [Entries sharing at least one domain]
    SUPFAMiSSF57016. SSF57016. 1 hit.


    Sequence statusi: Fragment.

    P21227-1 [UniParc]FASTAAdd to Basket

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    EQCGRQAGGA TCPNNLCCSQ YGY                                23
    Mass (Da):2,424
    Last modified:May 1, 1991 - v1

    Experimental Info

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Non-terminal residuei23 – 231


    3D structure databases

    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Family and domain databases

    Gene3Di 1 hit.
    InterProi IPR001002. Chitin-bd_1.
    [Graphical view ]
    Pfami PF00187. Chitin_bind_1. 1 hit.
    [Graphical view ]
    ProDomi PD000609. Chitin_bd_1. 1 hit.
    [Graphical view ] [Entries sharing at least one domain ]
    SUPFAMi SSF57016. SSF57016. 1 hit.
    ProtoNeti Search...


    1. "Induction, purification and characterization of chitinase isolated from pea leaves inoculated with Ascochyta pisi."
      Vad K., Mikkelsen J.D., Collinge D.B.
      Planta 184:24-29(1991)
      Cited for: PROTEIN SEQUENCE.
      Strain: cv. Birte.
      Tissue: Leaf.

    Entry informationi

    Entry nameiCHIB_PEA
    AccessioniPrimary (citable) accession number: P21227
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: May 1, 1991
    Last sequence update: May 1, 1991
    Last modified: October 1, 2014
    This is version 77 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programPlant Protein Annotation Program


    Keywords - Technical termi

    Direct protein sequencing


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

    External Data

    Dasty 3