Annotations: 4OK4

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	8050265	4006819	SCOP2 (2022-06-29)
A	SCOP2 Family	HepB C-terminal domain-like	8090378	4007702	SCOP2 (2022-06-29)
A	SCOP2 Family	Alginate lyase-like	8090376	4001183	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Galactose mutarotase-like	8090375	3000035	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Glycosyl hydrolase domain-like	8090379	3001528	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chondroitin AC/alginate lyase	8090377	3001005	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Galactose mutarotase-like	8090375	3000035	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8090379	3001528	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Chondroitin AC/alginate lyase	8090377	3001005	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	PF22686	e4ok4A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Hyaluronate lyase-like, C-terminal domain (From Topology)	T: Hyaluronate lyase-like, C-terminal domain	F: PF22686	ECOD (1.6)
A	PF07940	e4ok4A2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF07940	ECOD (1.6)
A	PF05426	e4ok4A3	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: PF05426	ECOD (1.6)
B	PF22686	e4ok4B1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Hyaluronate lyase-like, C-terminal domain (From Topology)	T: Hyaluronate lyase-like, C-terminal domain	F: PF22686	ECOD (1.6)
B	PF07940	e4ok4B2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF07940	ECOD (1.6)
B	PF05426	e4ok4B3	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: PF05426	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)
B	1.50.10.100	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	Chondroitin AC/alginate lyase	CATH (4.3.0)
B	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, B	PF07940	Heparinase II/III-like protein (Hepar_II_III)	Heparinase II/III-like protein	-	Family
A, B	PF05426	Alginate lyase (Alginate_lyase)	Alginate lyase	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative alginate lyase	exo-oligoalginate lyase activity lyase activity carbon-oxygen lyase activity, acting on polysaccharides catalytic activity carbon-oxygen lyase activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process organic substance metabolic process polysaccharide catabolic process metabolic process macromolecule metabolic process organic substance catabolic process	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR008397	Alginate lyase domain	Domain
A, B	IPR008929	Chondroitin AC/alginate lyase	Homologous Superfamily
A, B	IPR012480	Heparinase II/III-like	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.