Reviewed, UniProtKB/Swiss-Prot Q06016 (CHI4_ARAHY)

Names and origin

Protein names	Recommended name:     Endochitinase 4       Short name=CHIT 4     EC=3.2.1.14
Organism	Arachis hypogaea (Peanut)
Taxonomic identifier	3818 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › fabids › Fabales › Fabaceae › Papilionoideae › Dalbergieae › Arachis

Protein attributes

Sequence length	46 AA.
Sequence status	Fragment.
Protein existence	Evidence at transcript level.

General annotation (Comments)

Function	Defense against chitin containing fungal and bacterial pathogens.
Catalytic activity	Random hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.
Induction	By glucan elicitor, and to a lesser extent by yeast extract, P.megasperma elicitor, UV light and dilution.
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
Ligand	Chitin-binding
Molecular function	Glycosidase Hydrolase
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	chitin binding Inferred from electronic annotation. Source: UniProtKB-KW 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 – ›46	›46	Endochitinase 4		PRO_0000124823
Experimental info
	Non-terminal residue	1	1
	Non-terminal residue	46	1

Sequences

	Sequence		Length	Mass (Da)
	Q06016-1 [UniParc]. Last modified June 1, 1994. Version 1. Checksum: 24D3A7724D4632B5	FASTA	46	4,742
	10 20 30 40 MTPQGNKPSC HDVITNAWRP TATDSAAGRA PGYGVITNII NGGLDC

References

[1]	"Elicitor-specific induction of one member of the chitinase gene family in Arachis hypogaea." Herget T., Schell J., Schreier P.H. Mol. Gen. Genet. 224:469-476(1990) [PubMed: 1980004] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	X56893 mRNA. Translation: CAA40212.1.
3D structure databases
SMR	Q06016. Positions 1-46.
ModBase	Search...
Protein family/group databases
CAZy	GH19. Glycoside Hydrolase Family 19.
Enzyme and pathway databases
BRENDA	3.2.1.14. 569.
Family and domain databases
InterPro	IPR000726. Glyco_hydro_19_cat. [Graphical view]
PANTHER	PTHR22595. Glyco_hydro_19_cat. 1 hit.
Pfam	PF00182. Glyco_hydro_19. 1 hit. [Graphical view]
PROSITE	PS00773. CHITINASE_19_1. Partial match. PS00774. CHITINASE_19_2. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHI4_ARAHY

Accession

Primary (citable) accession number: Q06016

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 1, 1994
Last sequence update:	June 1, 1994
Last modified:	February 9, 2010
This is version 55 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)