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
//