Reviewed, UniProtKB/Swiss-Prot P29137 (CHI1_CASSA)

Names and origin

Protein names	Recommended name:     Basic endochitinase CH1     EC=3.2.1.14
Organism	Castanea sativa (Sweet chestnut)
Taxonomic identifier	21020 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › fabids › Fagales › Fagaceae › Castanea

Protein attributes

Sequence length	35 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
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 – ›35	›35	Basic endochitinase CH1		PRO_0000124825
Experimental info
	Non-terminal residue	35	1

Sequences

	Sequence		Length	Mass (Da)
	P29137-1 [UniParc]. Last modified December 1, 1992. Version 1. Checksum: A78F8EE1AD3A8859	FASTA	35	3,619
	10 20 30 ACGGGGGDVG SLISASLFDQ MLKYRNDPRC CXXGF

References

[1]	"Basic endochitinases are major proteins in Castanea sativa cotyledons." Collada C., Casado R., Fraile A., Aragoncillo C. Plant Physiol. 100:778-783(1992) [PubMed: 16653058] [Abstract] Cited for: PROTEIN SEQUENCE. Tissue: Cotyledon.

Cross-references

3D structure databases
ModBase	Search...
Protein family/group databases
CAZy	GH19. Glycoside Hydrolase Family 19.
Enzyme and pathway databases
BRENDA	3.2.1.14. 118847.
Family and domain databases
PROSITE	PS00773. CHITINASE_19_1. Partial match. PS00774. CHITINASE_19_2. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHI1_CASSA

Accession

Primary (citable) accession number: P29137

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 1992
Last sequence update:	December 1, 1992
Last modified:	February 9, 2010
This is version 59 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)