Reviewed, UniProtKB/Swiss-Prot P85338 (CHI2_TAXBA)

Names and origin

Protein names	Recommended name:     Endochitinase 2     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	19 AA.
Sequence status	Fragment.
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
PTM	Disulfide bond
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological process	cell wall macromolecule catabolic process Inferred from electronic annotation. Source: InterPro 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 – ›19	›19	Endochitinase 2		PRO_0000314646
Amino acid modifications
	Disulfide bond	17 ↔ ?		By similarity UniProtKB Q39785
Experimental info
	Non-terminal residue	1	1
	Non-terminal residue	19	1

Sequences

	Sequence		Length	Mass (Da)
	P85338-1 [UniParc]. Last modified January 15, 2008. Version 1. Checksum: DBC4347B85B4A1B9	FASTA	19	1,898
	10 TAGFGVFTNI INGGLECGK

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]
PANTHER	PTHR22595. Glyco_hydro_19_cat. 1 hit.
PROSITE	PS00773. CHITINASE_19_1. Partial match. PS00774. CHITINASE_19_2. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHI2_TAXBA

Accession

Primary (citable) accession number: P85338

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	January 15, 2008
Last modified:	January 19, 2010
This is version 13 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)