4XOP

Tailspike protein double mutant D339N/E372Q of E. coli bacteriophage HK620 in complex with hexasaccharide

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EUF07526	e4xopA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: EUF07526	ECOD (1.6)
A	Glyco_hydro_28	e4xopA2	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Pectin lyase-like (From Topology)	T: Pectin lyase-like	F: Glyco_hydro_28	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.20.90	Special	Helix non-globular	Arc Repressor Mutant, subunit A	Hk620 tailspike protein, N-terminal domain-like	CATH (4.3.0)
A	2.160.20.10	Mainly Beta	3 Solenoid	Pectate Lyase C-like	Single-stranded right-handed beta-helix, Pectin lyase-like	CATH (4.3.0)
A	2.40.30.250	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF18781	Phage spike trimer (Phage_spike_2)	Phage spike trimer	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Tail spike protein	-	biological process involved in interspecies interaction between organisms biological process involved in interaction with host biological process involved in symbiotic interaction viral process viral life cycle	virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR041303	Phage spike trimer 2	Repeat
A	IPR012334	Pectin lyase fold	Homologous Superfamily
A	IPR036730	Phage P22 tailspike-like, N-terminal domain superfamily	Homologous Superfamily
A	IPR009093	Bacteriophage P22 tailspike, N-terminal	Domain
A	IPR011050	Pectin lyase fold/virulence factor	Homologous Superfamily

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.