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Protein

Chitinase 3

Gene

Cht3

Organism
Oryza sativa subsp. japonica (Rice)
Status
Reviewed-Annotation score: -Experimental evidence at transcript leveli

Functioni

Hydrolyzes chitin and plays a role in defense against fungal pathogens containing chitin. Inhibits the growth of T.reesei fungus on plate assay.2 Publications

Catalytic activityi

Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.

GO - Molecular functioni

  • beta-N-acetylglucosaminidase activity Source: Gramene
  • chitinase activity Source: UniProtKB
  • chitin binding Source: Gramene
  • endochitinase activity Source: Gramene

GO - Biological processi

  • amino sugar metabolic process Source: Gramene
  • cell wall macromolecule catabolic process Source: InterPro
  • chitin catabolic process Source: UniProtKB-KW
  • defense response to fungus Source: UniProtKB
  • polysaccharide catabolic process Source: UniProtKB-KW

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation
LigandChitin-binding

Enzyme and pathway databases

BRENDAi3.2.1.14 4460

Protein family/group databases

CAZyiCBM18 Carbohydrate-Binding Module Family 18
GH19 Glycoside Hydrolase Family 19

Names & Taxonomyi

Protein namesi
Recommended name:
Chitinase 3 (EC:3.2.1.14)
Alternative name(s):
Basic endochitinase 1
Class I chitinase c
Short name:
OsChia1c
Pathogenesis related (PR)-3 chitinase 3
Gene namesi
Name:Cht3
Synonyms:CH6
Ordered Locus Names:Os06g0726100, LOC_Os06g51050
ORF Names:P0017G10.2, P0548E04.22
OrganismiOryza sativa subsp. japonica (Rice)
Taxonomic identifieri39947 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladeOryzoideaeOryzeaeOryzinaeOryzaOryza sativa
Proteomesi
  • UP000059680 Componenti: Chromosome 6

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 18Sequence analysisAdd BLAST18
ChainiPRO_000000530519 – 320Chitinase 3Add BLAST302

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi21 ↔ 36PROSITE-ProRule annotation
Disulfide bondi30 ↔ 42PROSITE-ProRule annotation
Disulfide bondi33 ↔ 61PROSITE-ProRule annotation
Disulfide bondi35 ↔ 49PROSITE-ProRule annotation
Disulfide bondi53 ↔ 57PROSITE-ProRule annotation
Disulfide bondi97 ↔ 159PROSITE-ProRule annotation
Disulfide bondi172 ↔ 180PROSITE-ProRule annotation
Disulfide bondi279 ↔ 311PROSITE-ProRule annotation

Keywords - PTMi

Disulfide bond

Proteomic databases

PaxDbiP24626

Expressioni

Tissue specificityi

Expressed at low levels in roots, leaves, sheaths and meristems.1 Publication

Gene expression databases

ExpressionAtlasiP24626 differential
GenevisibleiP24626 OS

Interactioni

Protein-protein interaction databases

STRINGi39947.LOC_Os06g51050.1

Structurei

3D structure databases

ProteinModelPortaliP24626
SMRiP24626
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini19 – 59Chitin-binding type-1PROSITE-ProRule annotationAdd BLAST41

Sequence similaritiesi

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiKOG4742 Eukaryota
COG3979 LUCA
HOGENOMiHOG000231411
InParanoidiP24626
KOiK20547
OMAiRCAAGLC
OrthoDBiEOG09360IMR

Family and domain databases

CDDicd00325 chitinase_glyco_hydro_19, 1 hit
Gene3Di3.30.60.10, 1 hit
InterProiView protein in InterPro
IPR001002 Chitin-bd_1
IPR018371 Chitin-binding_1_CS
IPR036861 Endochitinase-like_sf
IPR016283 Glyco_hydro_19
IPR000726 Glyco_hydro_19_cat
IPR023346 Lysozyme-like_dom_sf
PfamiView protein in Pfam
PF00187 Chitin_bind_1, 1 hit
PF00182 Glyco_hydro_19, 1 hit
PIRSFiPIRSF001060 Endochitinase, 1 hit
PRINTSiPR00451 CHITINBINDNG
ProDomiView protein in ProDom or Entries sharing at least one domain
PD000609 Chitin_bd_1, 1 hit
SMARTiView protein in SMART
SM00270 ChtBD1, 1 hit
SUPFAMiSSF53955 SSF53955, 1 hit
SSF57016 SSF57016, 1 hit
PROSITEiView protein in PROSITE
PS00026 CHIT_BIND_I_1, 1 hit
PS50941 CHIT_BIND_I_2, 1 hit
PS00773 CHITINASE_19_1, 1 hit
PS00774 CHITINASE_19_2, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P24626-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRALALAVVA MAVVAVRGEQ CGSQAGGALC PNCLCCSQYG WCGSTSDYCG
60 70 80 90 100
AGCQSQCSGG CGGGPTPPSS GGGSGVASII SPSLFDQMLL HRNDQACAAK
110 120 130 140 150
GFYTYDAFVA AANAYPDFAT TGDADTCKRE VAAFLAQTSH ETTGGWPTAP
160 170 180 190 200
DGPYSWGYCF KEENNGNAPT YCEPKPEWPC AAGKKYYGRG PIQITYNYNY
210 220 230 240 250
GPAGQAIGSD LLNNPDLVAS DATVSFKTAF WFWMTPQSPK PSCHAVITGQ
260 270 280 290 300
WTPSADDQAA GRVPGYGEIT NIINGGVECG HGADDKVADR IGFYKRYCDM
310 320
LGVSYGDNLD CYNQRPYPPS
Length:320
Mass (Da):33,681
Last modified:November 22, 2005 - v2
Checksum:iD7331BF4A6B592E3
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti98A → R in CAA38249 (PubMed:1893114).Curated1
Sequence conflicti122G → R in CAA38249 (PubMed:1893114).Curated1
Sequence conflicti183G → A in CAA38249 (PubMed:1893114).Curated1
Sequence conflicti202 – 206PAGQA → RGAG in CAA38249 (PubMed:1893114).Curated5
Sequence conflicti223Missing in CAA38249 (PubMed:1893114).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X54367 Genomic DNA Translation: CAA38249.1
D16223 Genomic DNA Translation: BAA03751.1
AP003685 Genomic DNA Translation: BAD61708.1
AP004685 Genomic DNA Translation: BAD61800.1
AP014962 Genomic DNA Translation: BAS99595.1
AK061280 mRNA No translation available.
PIRiS14948
RefSeqiXP_015643569.1, XM_015788083.1
UniGeneiOs.2692

Genome annotation databases

EnsemblPlantsiOs06t0726100-01; Os06t0726100-01; Os06g0726100
GeneIDi4342114
GrameneiOs06t0726100-01; Os06t0726100-01; Os06g0726100
KEGGiosa:4342114

Similar proteinsi

Entry informationi

Entry nameiCHI3_ORYSJ
AccessioniPrimary (citable) accession number: P24626
Secondary accession number(s): Q42994
Entry historyiIntegrated into UniProtKB/Swiss-Prot: March 1, 1992
Last sequence update: November 22, 2005
Last modified: May 23, 2018
This is version 133 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. Oryza sativa (rice)
    Index of Oryza sativa entries and their corresponding gene designations
  3. SIMILARITY comments
    Index of protein domains and families

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