ID   CHI1_CASSA              Reviewed;          35 AA.
AC   P29137;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   11-DEC-2019, entry version 70.
DE   RecName: Full=Basic endochitinase CH1;
DE            EC=3.2.1.14;
DE   Flags: Fragment;
OS   Castanea sativa (Sweet chestnut).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fagales; Fagaceae; Castanea.
OX   NCBI_TaxID=21020;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Cotyledon;
RX   PubMed=16653058; DOI=10.1104/pp.100.2.778;
RA   Collada C., Casado R., Fraile A., Aragoncillo C.;
RT   "Basic endochitinases are major proteins in Castanea sativa cotyledons.";
RL   Plant Physiol. 100:778-783(1992).
CC   -!- FUNCTION: Defense against chitin-containing fungal pathogens.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide
CC         (1->4)-beta-linkages in chitin and chitodextrins.; EC=3.2.1.14;
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 19 family. Chitinase
CC       class I subfamily. {ECO:0000305}.
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DR   CAZy; GH19; Glycoside Hydrolase Family 19.
DR   GO; GO:0004568; F:chitinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006032; P:chitin catabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0006952; P:defense response; IEA:UniProtKB-KW.
DR   GO; GO:0000272; P:polysaccharide catabolic process; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Carbohydrate metabolism; Chitin degradation; Direct protein sequencing;
KW   Glycosidase; Hydrolase; Plant defense; Polysaccharide degradation.
FT   CHAIN           1..>35
FT                   /note="Basic endochitinase CH1"
FT                   /id="PRO_0000124825"
FT   NON_TER         35
SQ   SEQUENCE   35 AA;  3619 MW;  A78F8EE1AD3A8859 CRC64;
     ACGGGGGDVG SLISASLFDQ MLKYRNDPRC CXXGF