Annotations: 4HIZ

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4hiza1	All beta proteins	6-bladed beta-propeller	Sialidases	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)
A	d4hiza2	All beta proteins	Triple-stranded beta-helix	Phage fibre proteins	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)
B	d4hizb1	All beta proteins	6-bladed beta-propeller	Sialidases	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)
B	d4hizb2	All beta proteins	Triple-stranded beta-helix	Phage fibre proteins	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)
C	d4hizc1	All beta proteins	6-bladed beta-propeller	Sialidases	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)
C	d4hizc2	All beta proteins	Triple-stranded beta-helix	Phage fibre proteins	automated matches	automated matches	(Escherichia phage phi92 ) [TaxId: 948870 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Bacteriophage endosialidase insert barrel domain-like	8052098	3002092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Sialidases	8052093	3001607	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Phage fibre proteins	8052097	3000351	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Bacteriophage endosialidase N-terminal domain-like	8052099	3002093	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Sialidases	8052093	3001607	SCOP2B (2022-06-29)
B	SCOP2 Family	Endo-alpha-sialidase	8047351	4003214	SCOP2 (2022-06-29)
B	SCOP2 Family	Endo-alpha-sialidase	8052095	4003250	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Sialidases	8052093	3001607	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Phage fibre proteins	8052097	3000351	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Bacteriophage endosialidase insert barrel domain-like	8052098	3002092	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Bacteriophage endosialidase N-terminal domain-like	8052099	3002093	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Sialidases	8052093	3001607	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacteriophage endosialidase N-terminal domain-like	8052099	3002093	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Phage fibre proteins	8052097	3000351	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacteriophage endosialidase insert barrel domain-like	8052098	3002092	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Sialidases	8052093	3001607	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	PF12195	e4hizA3	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF12195	ECOD (1.6)
A	PF12218	e4hizA1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Pectin lyase-like (From Topology)	T: Pectin lyase-like	F: PF12218	ECOD (1.6)
A	PF12217	e4hizA2	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: PF12217	ECOD (1.6)
A	PF12219	e4hizA4	A: beta duplicates or obligate multimers	X: Phage tail fiber protein trimerization domain (From Topology)	H: Phage tail fiber protein trimerization domain (From Topology)	T: Phage tail fiber protein trimerization domain	F: PF12219	ECOD (1.6)
B	PF12195	e4hizB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF12195	ECOD (1.6)
B	PF12218	e4hizB4	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Pectin lyase-like (From Topology)	T: Pectin lyase-like	F: PF12218	ECOD (1.6)
B	PF12217	e4hizB2	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: PF12217	ECOD (1.6)
B	PF12219	e4hizB3	A: beta duplicates or obligate multimers	X: Phage tail fiber protein trimerization domain (From Topology)	H: Phage tail fiber protein trimerization domain (From Topology)	T: Phage tail fiber protein trimerization domain	F: PF12219	ECOD (1.6)
C	PF12195	e4hizC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF12195	ECOD (1.6)
C	PF12218	e4hizC4	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Pectin lyase-like (From Topology)	T: Pectin lyase-like	F: PF12218	ECOD (1.6)
C	PF12217	e4hizC2	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: PF12217	ECOD (1.6)
C	PF12219	e4hizC3	A: beta duplicates or obligate multimers	X: Phage tail fiber protein trimerization domain (From Topology)	H: Phage tail fiber protein trimerization domain (From Topology)	T: Phage tail fiber protein trimerization domain	F: PF12219	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.750.60	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	Endosialidase, N-terminal extension domain	CATH (4.3.0)
A	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
A	2.40.30.20	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	4.10.1090.10	Few Secondary Structures	Irregular	Endosialidase, domain 4	Endosialidase, domain 4	CATH (4.3.0)
B	3.30.750.60	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	Endosialidase, N-terminal extension domain	CATH (4.3.0)
B	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
B	2.40.30.20	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	4.10.1090.10	Few Secondary Structures	Irregular	Endosialidase, domain 4	Endosialidase, domain 4	CATH (4.3.0)
C	3.30.750.60	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	Endosialidase, N-terminal extension domain	CATH (4.3.0)
C	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
C	2.40.30.20	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
C	4.10.1090.10	Few Secondary Structures	Irregular	Endosialidase, domain 4	Endosialidase, domain 4	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF12195	Beta barrel domain of bacteriophage endosialidase (End_beta_barrel)	Beta barrel domain of bacteriophage endosialidase	-	Repeat
A, B, C	PF12219	Catalytic domain of bacteriophage endosialidase (End_tail_spike)	Catalytic domain of bacteriophage endosialidase	-	Repeat
A, B, C	PF12218	N terminal extension of bacteriophage endosialidase (End_N_terminal)	N terminal extension of bacteriophage endosialidase	-	Repeat
A, B, C	PF12217	Catalytic beta propeller domain of bacteriophage endosialidase (End_beta_propel)	Catalytic beta propeller domain of bacteriophage endosialidase	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Endosialidase	hydrolase activity, acting on glycosyl bonds endo-alpha-(2,8)-sialidase activity alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	metabolic process	virus tail virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR024427	Endosialidase, beta barrel domain	Domain
A, B, C	IPR024428	Endosialidase, beta propeller domain	Domain
A, B, C	IPR036278	Sialidase superfamily	Homologous Superfamily
A, B, C	IPR023366	ATP synthase subunit alpha, N-terminal domain-like superfamily	Homologous Superfamily
A, B, C	IPR024430	Endosialidase, C-terminal domain	Domain
A, B, C	IPR024429	Endosialidase, N-terminal extension domain	Domain
A, B, C	IPR044914	Endosialidase, C-terminal domain superfamily	Homologous Superfamily
A, B, C	IPR001724	Glycosyl hydrolase 58	Family
A, B, C	IPR030392	Intramolecular chaperone auto-processing domain	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.