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Protein

Acidic endochitinase Q

Gene
N/A
Organism
Nicotiana tabacum (Common tobacco)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Defense against chitin-containing fungal pathogens.

Catalytic activityi

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

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase, Pathogenesis-related protein
Biological processCarbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation

Protein family/group databases

CAZyiGH19 Glycoside Hydrolase Family 19

Names & Taxonomyi

Protein namesi
Recommended name:
Acidic endochitinase Q (EC:3.2.1.14)
Alternative name(s):
Pathogenesis-related protein Q
Short name:
PR-Q
OrganismiNicotiana tabacum (Common tobacco)
Taxonomic identifieri4097 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeNicotianoideaeNicotianeaeNicotiana
Proteomesi
  • UP000084051 Componenti: Genome assembly

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 24Add BLAST24
ChainiPRO_000000533725 – 253Acidic endochitinase QAdd BLAST229

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi212 ↔ 244By similarity

Keywords - PTMi

Disulfide bond

Expressioni

Inductioni

By TMV infection.

Structurei

3D structure databases

ProteinModelPortaliP17514
SMRiP17514
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal

Family and domain databases

CDDicd00325 chitinase_glyco_hydro_19, 1 hit
InterProiView protein in InterPro
IPR016283 Glyco_hydro_19
IPR000726 Glyco_hydro_19_cat
IPR023346 Lysozyme-like_dom_sf
PfamiView protein in Pfam
PF00182 Glyco_hydro_19, 1 hit
PIRSFiPIRSF001060 Endochitinase, 1 hit
SUPFAMiSSF53955 SSF53955, 1 hit
PROSITEiView protein in PROSITE
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.

P17514-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MEFSGSPMAL FCCVFFLFLT GSLAQGIGSI VTSDLFNEML KNRNDGRCPA
60 70 80 90 100
NGFYTYDAFI AAANSFPGFG TTGDDTARRK EIAAFFGQTS HETTGGSLSA
110 120 130 140 150
EPFTGGYCFV RQNDQSDRYY GRGPIQLTNR NNYEKAGTAI GQELVNNPDL
160 170 180 190 200
VATDATISFK TAIWFWMTPQ DNKPSSHDVI IGRWTPSAAD QAANRVPGYG
210 220 230 240 250
VITNIINGGI ECGIGRNDAV EDRIGYYRRY CGMLNVAPGE NLDCYNQRNF

GQG
Length:253
Mass (Da):27,633
Last modified:August 1, 1990 - v1
Checksum:i0DED41DEA99CE196
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural varianti54Y → F in strain: cv. Samsun. 1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M29868 mRNA Translation: AAA34107.1
X51425 mRNA Translation: CAA35789.1
PIRiB34801
S20738

Similar proteinsi

Entry informationi

Entry nameiCHIQ_TOBAC
AccessioniPrimary (citable) accession number: P17514
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 1, 1990
Last sequence update: August 1, 1990
Last modified: May 23, 2018
This is version 100 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

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