Annotations: 3HHS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF03723	e3hhsA4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF03723	ECOD (1.6)
A	PF00372	e3hhsA5	A: alpha arrays	X: Di-copper centre-containing domain (From Topology)	H: Di-copper centre-containing domain (From Topology)	T: Di-copper centre-containing domain	F: PF00372	ECOD (1.6)
A	PF03722	e3hhsA3	A: alpha bundles	X: Hemocyanin-N (From Topology)	H: Hemocyanin-N (From Topology)	T: Hemocyanin-N	F: PF03722	ECOD (1.6)
B	PF03723	e3hhsB4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF03723	ECOD (1.6)
B	PF00372	e3hhsB6	A: alpha arrays	X: Di-copper centre-containing domain (From Topology)	H: Di-copper centre-containing domain (From Topology)	T: Di-copper centre-containing domain	F: PF00372	ECOD (1.6)
B	PF03722	e3hhsB5	A: alpha bundles	X: Hemocyanin-N (From Topology)	H: Hemocyanin-N (From Topology)	T: Hemocyanin-N	F: PF03722	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1370.10	Mainly Alpha	Up-down Bundle	Hemocyanin, N-terminal domain	Hemocyanin, N-terminal domain	CATH (4.3.0)
A	1.10.1280.10	Mainly Alpha	Orthogonal Bundle	di-copper center containing domain from catechol oxidase	Di-copper center containing domain from catechol oxidase	CATH (4.3.0)
A	2.60.40.1520	Mainly Beta	Sandwich	Immunoglobulin-like	Hemocyanin, C-terminal domain	CATH (4.3.0)
B	1.20.1370.10	Mainly Alpha	Up-down Bundle	Hemocyanin, N-terminal domain	Hemocyanin, N-terminal domain	CATH (4.3.0)
B	1.10.1280.10	Mainly Alpha	Orthogonal Bundle	di-copper center containing domain from catechol oxidase	Di-copper center containing domain from catechol oxidase	CATH (4.3.0)
B	2.60.40.1520	Mainly Beta	Sandwich	Immunoglobulin-like	Hemocyanin, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00372	Hemocyanin, copper containing domain (Hemocyanin_M)	Hemocyanin, copper containing domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain
A	PF03722	Hemocyanin, all-alpha domain (Hemocyanin_N)	Hemocyanin, all-alpha domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain
A	PF03723	Hemocyanin, ig-like domain (Hemocyanin_C)	Hemocyanin, ig-like domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain
B	PF00372	Hemocyanin, copper containing domain (Hemocyanin_M)	Hemocyanin, copper containing domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain
B	PF03722	Hemocyanin, all-alpha domain (Hemocyanin_N)	Hemocyanin, all-alpha domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain
B	PF03723	Hemocyanin, ig-like domain (Hemocyanin_C)	Hemocyanin, ig-like domain	This family includes arthropod hemocyanins and insect larval storage proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phenoloxidase subunit 2	oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen oxidoreductase activity monooxygenase activity tyrosinase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen catalytic activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding anion binding oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen oxidoreductase activity monooxygenase activity tyrosinase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen catalytic activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding anion binding chloride ion binding	pigment metabolic process oxoacid metabolic process melanin biosynthetic process from tyrosine organic hydroxy compound metabolic process pigment biosynthetic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process melanin metabolic process secondary metabolic process organic substance metabolic process secondary metabolite biosynthetic process organic substance biosynthetic process small molecule metabolic process pigment metabolic process oxoacid metabolic process melanin biosynthetic process from tyrosine organic hydroxy compound metabolic process pigment biosynthetic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process melanin metabolic process secondary metabolic process organic substance metabolic process secondary metabolite biosynthetic process organic substance biosynthetic process small molecule metabolic process tyrosine metabolic process erythrose 4-phosphate/phosphoenolpyruvate family amino acid metabolic process organonitrogen compound metabolic process aromatic amino acid metabolic process cellular metabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process organic cyclic compound metabolic process proteinogenic amino acid metabolic process biosynthetic process organic hydroxy compound biosynthetic process phenol-containing compound metabolic process organic cyclic compound biosynthetic process phenol-containing compound biosynthetic process metabolic process cellular process melanin biosynthetic process regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process response to biotic stimulus positive regulation of response to stimulus positive regulation of metabolic process positive regulation of response to external stimulus positive regulation of immune response regulation of response to stress response to stress innate immune response regulation of immune system process response to external biotic stimulus positive regulation of immune system process regulation of biological process melanization defense response positive regulation of innate immune response defense response immune response response to other organism regulation of innate immune response biological regulation positive regulation of melanization defense response defense response to symbiont response to external stimulus regulation of secondary metabolic process regulation of melanization defense response regulation of response to stimulus immune system process defense response to other organism positive regulation of defense response regulation of immune response regulation of metabolic process	extracellular region cellular anatomical entity
B	Phenoloxidase subunit 1	oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen oxidoreductase activity monooxygenase activity tyrosinase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen catalytic activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding anion binding oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen oxidoreductase activity monooxygenase activity tyrosinase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen catalytic activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding anion binding chloride ion binding	pigment metabolic process oxoacid metabolic process melanin biosynthetic process from tyrosine organic hydroxy compound metabolic process pigment biosynthetic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process melanin metabolic process secondary metabolic process organic substance metabolic process secondary metabolite biosynthetic process organic substance biosynthetic process small molecule metabolic process pigment metabolic process oxoacid metabolic process melanin biosynthetic process from tyrosine organic hydroxy compound metabolic process pigment biosynthetic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process melanin metabolic process secondary metabolic process organic substance metabolic process secondary metabolite biosynthetic process organic substance biosynthetic process small molecule metabolic process tyrosine metabolic process erythrose 4-phosphate/phosphoenolpyruvate family amino acid metabolic process organonitrogen compound metabolic process aromatic amino acid metabolic process cellular metabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process organic cyclic compound metabolic process proteinogenic amino acid metabolic process biosynthetic process organic hydroxy compound biosynthetic process phenol-containing compound metabolic process organic cyclic compound biosynthetic process phenol-containing compound biosynthetic process metabolic process cellular process melanin biosynthetic process regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process response to biotic stimulus positive regulation of response to stimulus positive regulation of metabolic process positive regulation of response to external stimulus positive regulation of immune response regulation of response to stress response to stress innate immune response regulation of immune system process response to external biotic stimulus positive regulation of immune system process regulation of biological process melanization defense response positive regulation of innate immune response defense response immune response response to other organism regulation of innate immune response biological regulation positive regulation of melanization defense response defense response to symbiont response to external stimulus regulation of secondary metabolic process regulation of melanization defense response regulation of response to stimulus immune system process defense response to other organism positive regulation of defense response regulation of immune response regulation of metabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005204	Hemocyanin, N-terminal	Domain
A	IPR036697	Hemocyanin, N-terminal domain superfamily	Homologous Superfamily
A	IPR002227	Tyrosinase copper-binding domain	Domain
A	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A	IPR008922	Di-copper centre-containing domain superfamily	Homologous Superfamily
A	IPR037020	Hemocyanin, C-terminal domain superfamily	Homologous Superfamily
A	IPR000896	Hemocyanin/hexamerin middle domain	Domain
A	IPR013788	Hemocyanin/hexamerin	Family
A	IPR005203	Hemocyanin, C-terminal	Domain
B	IPR005204	Hemocyanin, N-terminal	Domain
B	IPR036697	Hemocyanin, N-terminal domain superfamily	Homologous Superfamily
B	IPR002227	Tyrosinase copper-binding domain	Domain
B	IPR014756	Immunoglobulin E-set	Homologous Superfamily
B	IPR008922	Di-copper centre-containing domain superfamily	Homologous Superfamily
B	IPR037020	Hemocyanin, C-terminal domain superfamily	Homologous Superfamily
B	IPR000896	Hemocyanin/hexamerin middle domain	Domain
B	IPR013788	Hemocyanin/hexamerin	Family
B	IPR005203	Hemocyanin, C-terminal	Domain

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.