Annotations: 4P8U

The crystal structures of YKL-39 in the absence of chitooligosaccharides was solved to resolutions of 2.4 angstrom

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Chitinase insertion domain	8101048	3000666	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8099184	3000313	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8099184	3000313	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Epimerase	e4p8uA1	A: alpha arrays	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Epimerase	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	3.10.50.10	Alpha Beta	Roll	Chitinase A	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00704	Glycosyl hydrolases family 18 (Glyco_hydro_18)	Glycosyl hydrolases family 18		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Chitinase-3-like protein 2	chitin binding binding carbohydrate derivative binding	carbohydrate metabolic process primary metabolic process metabolic process cellular process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011583	Chitinase II/V-like, catalytic domain	Domain
A	IPR029070	Chitinase insertion domain superfamily	Homologous Superfamily
A	IPR050314	Glycosyl hydrolase family 18	Family
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR001223	Glycoside hydrolase family 18, catalytic domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q15782	chronic obstructive pulmonary disease breast cancer glioblastoma lung adenocarcinoma malignant ependymoma non-small cell lung carcinoma psoriasis head and neck cancer lung cancer malignant glioma osteosarcoma tuberculosis cutaneous lupus erythematosus interstitial cystitis lung carcinoma chronic obstructive pulmonary disease breast cancer glioblastoma lung adenocarcinoma malignant ependymoma non-small cell lung carcinoma psoriasis head and neck cancer lung cancer malignant glioma osteosarcoma tuberculosis cutaneous lupus erythematosus interstitial cystitis lung carcinoma malignant mesothelioma pilocytic astrocytoma ulcerative colitis