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Database: UniProt
Entry: A0A3Q3FHN9_KRYMA
LinkDB: A0A3Q3FHN9_KRYMA
Original site: A0A3Q3FHN9_KRYMA 
ID   A0A3Q3FHN9_KRYMA        Unreviewed;       473 AA.
AC   A0A3Q3FHN9;
DT   10-APR-2019, integrated into UniProtKB/TrEMBL.
DT   10-APR-2019, sequence version 1.
DT   24-JAN-2024, entry version 25.
DE   RecName: Full=chitinase {ECO:0000256|ARBA:ARBA00012729};
DE            EC=3.2.1.14 {ECO:0000256|ARBA:ARBA00012729};
OS   Kryptolebias marmoratus (Mangrove killifish) (Rivulus marmoratus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC   Ovalentaria; Atherinomorphae; Cyprinodontiformes; Rivulidae; Kryptolebias.
OX   NCBI_TaxID=37003 {ECO:0000313|Ensembl:ENSKMAP00000012547.1, ECO:0000313|Proteomes:UP000264800};
RN   [1] {ECO:0000313|Ensembl:ENSKMAP00000012547.1}
RP   IDENTIFICATION.
RG   Ensembl;
RL   Submitted (SEP-2023) to UniProtKB.
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         Evidence={ECO:0000256|ARBA:ARBA00000822};
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 18 family. Chitinase
CC       class II subfamily. {ECO:0000256|ARBA:ARBA00009121}.
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DR   AlphaFoldDB; A0A3Q3FHN9; -.
DR   Ensembl; ENSKMAT00000012732.1; ENSKMAP00000012547.1; ENSKMAG00000009354.1.
DR   GeneTree; ENSGT00940000162989; -.
DR   OMA; WWEVSMD; -.
DR   Proteomes; UP000264800; Unplaced.
DR   GO; GO:0005576; C:extracellular region; IEA:InterPro.
DR   GO; GO:0008061; F:chitin binding; IEA:UniProtKB-KW.
DR   GO; GO:0004568; F:chitinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   GO; GO:0006032; P:chitin catabolic process; IEA:UniProt.
DR   CDD; cd02872; GH18_chitolectin_chitotriosidase; 1.
DR   Gene3D; 3.20.20.80; Glycosidases; 2.
DR   InterPro; IPR002557; Chitin-bd_dom.
DR   InterPro; IPR036508; Chitin-bd_dom_sf.
DR   InterPro; IPR011583; Chitinase_II.
DR   InterPro; IPR029070; Chitinase_insertion_sf.
DR   InterPro; IPR001223; Glyco_hydro18_cat.
DR   InterPro; IPR001579; Glyco_hydro_18_chit_AS.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   PANTHER; PTHR11177; CHITINASE; 1.
DR   PANTHER; PTHR11177:SF317; CHITINASE 6, ISOFORM C; 1.
DR   Pfam; PF01607; CBM_14; 1.
DR   Pfam; PF00704; Glyco_hydro_18; 1.
DR   SMART; SM00636; Glyco_18; 1.
DR   SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR   SUPFAM; SSF54556; Chitinase insertion domain; 1.
DR   SUPFAM; SSF57625; Invertebrate chitin-binding proteins; 1.
DR   PROSITE; PS50940; CHIT_BIND_II; 1.
DR   PROSITE; PS01095; GH18_1; 1.
DR   PROSITE; PS51910; GH18_2; 1.
PE   3: Inferred from homology;
KW   Chitin-binding {ECO:0000256|ARBA:ARBA00022669};
KW   Glycosidase {ECO:0000256|ARBA:ARBA00023295};
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW   Reference proteome {ECO:0000313|Proteomes:UP000264800}.
FT   DOMAIN          14..381
FT                   /note="GH18"
FT                   /evidence="ECO:0000259|PROSITE:PS51910"
FT   DOMAIN          424..473
FT                   /note="Chitin-binding type-2"
FT                   /evidence="ECO:0000259|PROSITE:PS50940"
FT   REGION          388..421
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        394..421
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   473 AA;  52515 MW;  EC64FF8A915F4192 CRC64;
     MIRIIIASSL FSSTKLVCYF TNWSQYRPGV GKYVPENVDP NLCTHLIYAF SIISSSNELM
     TFEWNDEVLY KSFNGLKTRN PQLKTLLAVG GWNFGTSQFT IMVSTPTNRQ VFIQSSIKFL
     RQHGFDGLDL DWEYPGARGS PLEDKQRFTL LCQELLAAFE KEAAETKKPQ LLLTAAVAGG
     KGNIDNGYEI ANISKFLDFL NIMTYDFHGA WDPSTGHNSP LYNSSVDHGE HIYYNVDFAM
     KYWRDQGAPL EKLLVGFPTY GRTFRTGSAA QGLGAPASGP ASAGPYTREA GFWSYYEVCT
     FLQGATTHWI EEQKVPYAVK GNEWVGFDNR QSYQIKAQYV KDNKFGGAFI WSLDLDDFGG
     LFCGQGNYPL IAYLRSLLDS DFPPLPPVTT PSPVTTTSHP GPATRTSAAS TTTGKTTTSA
     ASGGGFCSGK ADGIYGNEKD RATFFQCFQE NTFLQKCPNT LVFKEKCQCC DWP
//
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