Reviewed, UniProtKB/Swiss-Prot P23473 (CHLY_PARTH)

Names and origin

Protein names	Recommended name:     Bifunctional chitinase/lysozyme Including the following 2 domains:     1- Recommended name:             Chitinase               EC=3.2.1.14     2- Recommended name:             Lysozyme               EC=3.2.1.17
Organism	Parthenocissus quinquefolia (Virginia creeper)
Taxonomic identifier	3607 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › Vitales › Vitaceae › Parthenocissus

Protein attributes

Sequence length	47 AA.
Sequence status	Fragment.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Bifunctional enzyme with lysozyme/chitinase activity.
Catalytic activity	Random hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins. Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins.
Subcellular location	Secreted › extracellular space.
Sequence similarities	Belongs to the glycosyl hydrolase 18 family. Chitinase class II subfamily.

Ontologies

Keywords
Biological process	Carbohydrate metabolism Chitin degradation Polysaccharide degradation
Cellular component	Secreted
Molecular function	Glycosidase Hydrolase
Technical term	Direct protein sequencing Multifunctional enzyme
Gene Ontology (GO)
Biological process	chitin catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	extracellular space Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	cation binding Inferred from electronic annotation. Source: InterPro chitinase activity Inferred from electronic annotation. Source: EC lysozyme 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 – ›47	›47	Bifunctional chitinase/lysozyme		PRO_0000077052
Experimental info
	Non-terminal residue	47	1

Sequences

	Sequence		Length	Mass (Da)
	P23473-1 [UniParc]. Last modified November 1, 1991. Version 1. Checksum: 1D9DCF2E7E3A0F51	FASTA	47	5,040
	10 20 30 40 GGIAIYWGQN GNEGTLTQTC NTGKYSYVNI AFLNKFGNGQ TPEINLA

References

[1]	"Purification and N-terminal amino-acid sequence of a basic lysozyme from Parthenocissus quinquifolia cultured in vitro." Bernasconi P., Locher R., Pilet P.E., Jolles J., Jolles P. Biochim. Biophys. Acta 915:254-260(1987) Cited for: PROTEIN SEQUENCE.

Cross-references

3D structure databases
SMR	P23473. Positions 1-47.
ModBase	Search...
Protein family/group databases
CAZy	GH18. Glycoside Hydrolase Family 18.
Enzyme and pathway databases
BRENDA	3.2.1.14. 308047. 3.2.1.17. 308047.
Family and domain databases
InterPro	IPR017853. Glyco_hydro_catalytic_core. IPR013781. Glyco_hydro_sg_catalytic. [Graphical view]
Gene3D	G3DSA:3.20.20.80. Glyco_hydro_cat. 1 hit.
PROSITE	PS01095. CHITINASE_18. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHLY_PARTH

Accession

Primary (citable) accession number: P23473

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1991
Last sequence update:	November 1, 1991
Last modified:	February 9, 2010
This is version 62 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)