ID   CHI1_GINBI              Reviewed;          16 AA.
AC   P85343;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   25-MAY-2022, entry version 26.
DE   RecName: Full=Endochitinase 1;
DE            EC=3.2.1.14;
DE   Flags: Fragment;
OS   Ginkgo biloba (Ginkgo) (Maidenhair tree).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Ginkgoidae; Ginkgoales; Ginkgoaceae; Ginkgo.
OX   NCBI_TaxID=3311;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=PC-650; TISSUE=Callus;
RX   PubMed=19055540; DOI=10.1111/j.1399-3054.2008.01185.x;
RA   Novo Uzal E., Gomez Ros L.V., Pomar F., Bernal M.A., Paradela A.,
RA   Albar J.P., Ros Barcelo A.;
RT   "The presence of sinapyl lignin in Ginkgo biloba cell cultures changes our
RT   views of the evolution of lignin biosynthesis.";
RL   Physiol. Plantarum 135:196-213(2009).
CC   -!- FUNCTION: Defense against chitin-containing fungal pathogens.
CC       {ECO:0000305}.
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:0000255}.
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DR   AlphaFoldDB; P85343; -.
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.
DR   InterPro; IPR023346; Lysozyme-like_dom_sf.
DR   SUPFAM; SSF53955; SSF53955; 1.
PE   1: Evidence at protein level;
KW   Carbohydrate metabolism; Chitin degradation; Direct protein sequencing;
KW   Glycosidase; Hydrolase; Plant defense; Polysaccharide degradation.
FT   CHAIN           <1..>16
FT                   /note="Endochitinase 1"
FT                   /id="PRO_0000314644"
FT   NON_TER         1
FT                   /evidence="ECO:0000305"
FT   NON_TER         16
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   16 AA;  1739 MW;  DEDDF05CE0606D1C CRC64;
     GPLQLSWNYN YGAAGK