ID   CHIA_ARAHY              Reviewed;          46 AA.
AC   Q06012;
DT   01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1994, sequence version 1.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Endochitinase 1A;
DE            Short=CHIT 1A;
DE            EC=3.2.1.14;
DE   Flags: Fragment;
OS   Arachis hypogaea (Peanut).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   dalbergioids sensu lato; Dalbergieae; Pterocarpus clade; Arachis.
OX   NCBI_TaxID=3818;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=1980004; DOI=10.1007/bf00262442;
RA   Herget T., Schell J., Schreier P.H.;
RT   "Elicitor-specific induction of one member of the chitinase gene family in
RT   Arachis hypogaea.";
RL   Mol. Gen. Genet. 224:469-476(1990).
CC   -!- FUNCTION: Defense against chitin-containing fungal and bacterial
CC       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   -!- INDUCTION: By yeast extract and dilution. Slight induction by glucan
CC       elicitor.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 19 family. Chitinase
CC       class I subfamily. {ECO:0000305}.
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DR   EMBL; X56890; CAA40209.1; -; mRNA.
DR   AlphaFoldDB; Q06012; -.
DR   SMR; Q06012; -.
DR   CAZy; GH19; Glycoside Hydrolase Family 19.
DR   GO; GO:0008061; F:chitin binding; IEA:UniProtKB-KW.
DR   GO; GO:0004568; F:chitinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0016998; P:cell wall macromolecule catabolic process; IEA:InterPro.
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; IPR000726; Glyco_hydro_19_cat.
DR   InterPro; IPR023346; Lysozyme-like_dom_sf.
DR   Pfam; PF00182; Glyco_hydro_19; 1.
DR   SUPFAM; SSF53955; SSF53955; 1.
PE   2: Evidence at transcript level;
KW   Carbohydrate metabolism; Chitin degradation; Chitin-binding; Glycosidase;
KW   Hydrolase; Plant defense; Polysaccharide degradation.
FT   CHAIN           <1..>46
FT                   /note="Endochitinase 1A"
FT                   /id="PRO_0000124819"
FT   NON_TER         1
FT   NON_TER         46
SQ   SEQUENCE   46 AA;  4700 MW;  4F868717728E9C6E CRC64;
     MTAQGNKPSS HDVITGRWTP SAADRAAGRV SGFGVITNII NGGLDC