Annotations: 4FNV

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Heparinase II/III-like	8050267	4006819	SCOP2 (2022-06-29)
A	SCOP2 Family	HepC N-terminal domain-like	8046310	4005012	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Galactose mutarotase-like	8090374	3000035	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chondroitin AC/alginate lyase	8090373	3001005	SCOP2 (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	Hepar_II_III	e4fnvA2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: Hepar_II_III	ECOD (1.6)
A	Hepar_II_III_N	e4fnvA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: Hepar_II_III_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.50.10.100	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	Chondroitin AC/alginate lyase	CATH (4.3.0)
A	2.70.98.70	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07940	Heparinase II/III-like protein (Hepar_II_III)	Heparinase II/III-like protein	-	Family
A	PF16889	Heparinase II/III N-terminus (Hepar_II_III_N)	Heparinase II/III N-terminus	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Heparinase III protein, heparitin sulfate lyase	heparin-sulfate lyase activity lyase activity carbon-oxygen lyase activity, acting on polysaccharides catalytic activity carbon-oxygen lyase activity	-	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR031680	Heparin-sulfate lyase, N-terminal	Domain
A	IPR008929	Chondroitin AC/alginate lyase	Homologous Superfamily
A	IPR012480	Heparinase II/III-like	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.