Reviewed, UniProtKB/Swiss-Prot P85337 (CHI1_TAXBA)

Names and origin

Protein names	Recommended name:     Endochitinase 1     EC=3.2.1.14
Organism	Taxus baccata (English yew)
Taxonomic identifier	25629 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Coniferopsida › Coniferales › Taxaceae › Taxus

Protein attributes

Sequence length	15 AA.
Sequence status	Fragment.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Defense against chitin containing fungal pathogens.
Catalytic activity	Random hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.
Sequence similarities	Belongs to the glycosyl hydrolase 19 family. Chitinase class I subfamily.

Ontologies

Keywords
Biological process	Carbohydrate metabolism Chitin degradation Plant defense Polysaccharide degradation
Molecular function	Glycosidase Hydrolase
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological process	chitin catabolic process Inferred from electronic annotation. Source: UniProtKB-KW defense response Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	chitinase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	‹1 – ›15	›15	Endochitinase 1		PRO_0000314645
Experimental info
	Non-terminal residue	1	1
	Non-terminal residue	15	1

Sequences

	Sequence		Length	Mass (Da)
	P85337-1 [UniParc]. Last modified January 15, 2008. Version 1. Checksum: 1C260DC2D37617A1	FASTA	15	1,573
	10 AIGFDGLNDP DIVAR

References

[1]	Gomez Ros L.V., Novo Uzal E., Ros Barcelo A. Submitted (NOV-2007) to UniProtKB Cited for: PROTEIN SEQUENCE. Strain: PC-1008. Tissue: Callus.

Cross-references

3D structure databases
ModBase	Search...
Enzyme and pathway databases
BRENDA	3.2.1.14. 228855.
Family and domain databases
InterPro	IPR000726. Glyco_hydro_19_cat. [Graphical view]
PROSITE	PS00773. CHITINASE_19_1. Partial match. PS00774. CHITINASE_19_2. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHI1_TAXBA

Accession

Primary (citable) accession number: P85337

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	January 15, 2008
Last modified:	October 13, 2009
This is version 12 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)