Annotations: 2X8K

Crystal Structure of SPP1 Dit (gp 19.1) Protein, a Paradigm of Hub Adsorption Apparatus in Gram-positive Infecting Phages.

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)
C		e2x8kC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F:	ECOD (v294.1)
B		e2x8kB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F:	ECOD (v294.1)
A	Sipho_tail	e2x8kA1	A: a/b three-layered sandwiches	X: beta-Grasp	H: RIFT-related	T: Phage tail proteins	F: Sipho_tail	ECOD (v294.1)
A	Helicase_C	e2x8kA2	A: a/b three-layered sandwiches	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Helicase_C	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.40.30.200	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
C	2.60.120.860	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
B	2.40.30.200	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	6.20.370.30	Special	Other non-globular	Rhinovirus 14, subunit 4		CATH (4.3.0)
B	2.60.120.860	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
A	2.40.30.200	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	6.20.370.30	Special	Other non-globular	Rhinovirus 14, subunit 4		CATH (4.3.0)
A	2.60.120.860	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF05709	Phage tail protein RIFT-related domain (Sipho_tail)	Phage tail protein RIFT-related domain	This family consists of several Siphovirus and other phage tail component proteins as well as some bacterial proteins of unknown function. This entry represents the N-terminal RIFT-related barrel domain.	Domain
A, B, C	PF22768	Siphovirus-type tail component, C-terminal domain (SPP1_Dit)	Siphovirus-type tail component, C-terminal domain	This entry consists of several phage tail component proteins, including bacteriophage SPP1 distal tail protein Dit (also known as Gp19.1 or Gp19) [1], as well as some bacterial proteins of unknown function. This entry represents the C-terminal domain ...	This entry consists of several phage tail component proteins, including bacteriophage SPP1 distal tail protein Dit (also known as Gp19.1 or Gp19) [1], as well as some bacterial proteins of unknown function. This entry represents the C-terminal domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	HYPOTHETICAL PROTEIN 19.1	-	symbiont genome ejection through host cell envelope biological process involved in interspecies interaction between organisms symbiont genome ejection through host cell envelope, long flexible tail mechanism symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	virus tail virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR006520	Distal tail protein, N-terminal	Domain
A, B, C	IPR008841	Siphovirus-type tail component, RIFT-related domain	Domain
A, B, C	IPR054738	Siphovirus-type tail component, C-terminal domain	Domain

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.