Reviewed, UniProtKB/Swiss-Prot P29116 (CHI2_STROI)

Names and origin

Protein names	Recommended name:     Chitinase 47 kDa     EC=3.2.1.14
Organism	Streptomyces olivaceoviridis (Streptomyces corchorusii)
Taxonomic identifier	1921 [NCBI]
Taxonomic lineage	Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Streptomycineae › Streptomycetaceae › Streptomyces

Protein attributes

Sequence length	27 AA.
Sequence status	Fragment.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Able to cleave chitin oligomers from N=3 to 6.
Catalytic activity	Random hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.
Subunit structure	Homodimer.
Sequence similarities	Belongs to the glycosyl hydrolase 18 family. Chitinase class II subfamily.

Ontologies

Keywords
Biological process	Carbohydrate metabolism Chitin degradation 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 polysaccharide catabolic process 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 – ›27	›27	Chitinase 47 kDa		PRO_0000077046
Experimental info
	Non-terminal residue	27	1

Sequences

	Sequence		Length	Mass (Da)
	P29116-1 [UniParc]. Last modified December 1, 1992. Version 1. Checksum: E9549D5E273DFEE9	FASTA	27	3,173
	10 20 AGSKVVGYFT EWGTYDRKYY VKNIEXS

References

[1]	"Chitinases of Streptomyces olivaceoviridis and significance of processing for multiplicity." Romaguera A., Menge U., Breves R., Diekmann H. J. Bacteriol. 174:3450-3454(1992) [PubMed: 1592803] [Abstract] Cited for: PROTEIN SEQUENCE. Strain: ATCC 11238 / DSM 41433 / NCIB 8592 / QM B814.

Cross-references

Sequence databases
PIR	C44908.
3D structure databases
ModBase	Search...
Enzyme and pathway databases
BRENDA	3.2.1.14. 119250.
Family and domain databases
InterPro	IPR001223. Glyco_hydro18cat. IPR001579. Glyco_hydro_18_chit_AS. [Graphical view]
Pfam	PF00704. Glyco_hydro_18. 1 hit. [Graphical view]
ProDom	PD000471. Chitinase_II. 1 hit. [Graphical view] [Entries sharing at least one domain]
PROSITE	PS01095. CHITINASE_18. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CHI2_STROI

Accession

Primary (citable) accession number: P29116

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 1992
Last sequence update:	December 1, 1992
Last modified:	March 24, 2009
This is version 49 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)