Annotations: 3J26

The 3.5 A resolution structure of the Sputnik virophage by cryo-EM

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)
N	V18-19	e3j26N1	A: alpha arrays	X: jelly-roll	H: Jelly-roll domain in minor capsid protein	T: Jelly-roll domain in minor capsid protein	F: V18-19	ECOD (v295.2)
N	V18-19	e3j26N2	A: alpha arrays	X: Insertion domain of minor capsid protein	H: Insertion domain of minor capsid protein	T: Insertion domain of minor capsid protein	F: V18-19	ECOD (v295.2)
M	N6_Mtase	e3j26M1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
L	N6_Mtase	e3j26L1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
K	N6_Mtase	e3j26K1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
J	N6_Mtase	e3j26J1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
I	N6_Mtase	e3j26I1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
H	N6_Mtase	e3j26H1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
G	N6_Mtase	e3j26G1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
F	N6_Mtase	e3j26F1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
E	N6_Mtase	e3j26E1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
D	N6_Mtase	e3j26D1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
C	N6_Mtase	e3j26C1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
B	N6_Mtase	e3j26B1	A: alpha arrays	X: Four-helical up-and-down bundle	H: N-terminal helical domain in restriction-modification system methylation subunit	T: N-terminal helical domain in restriction-modification system methylation subunit	F: N6_Mtase	ECOD (v295.2)
A	Sputnik_MCP_1st	e3j26A1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F: Sputnik_MCP_1st	ECOD (v295.2)
A		e3j26A2	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
N	2.60.120.1100	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	PF21915	Sputnik virophage major capsid protein 1st domain (Sputnik_MCP_1st)	Sputnik virophage major capsid protein 1st domain	This entry represents the first jelly roll domain in the sputnik virophage major capsid protein [1]. Sputnik is a dsDNA virus, referred to as a virophage, that is co-assembled with Mimivirus in the host amoeba. The capsid is organized into a T = 27 l ...	This entry represents the first jelly roll domain in the sputnik virophage major capsid protein [1]. Sputnik is a dsDNA virus, referred to as a virophage, that is co-assembled with Mimivirus in the host amoeba. The capsid is organized into a T = 27 lattice in which there are 260 trimeric capsomers and 12 pentameric capsomers. The trimeric capsomers consist of three double jelly-roll major capsid proteins creating pseudohexameric capsomer symmetry.	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	PF22031	Major capsid protein V20 C-terminal domain (MCP_V20_C)	Major capsid protein V20 C-terminal domain	This is the C-terminal domain of major capsid protein V20. This domain folds into a beta-sandwich with a jelly-roll topology [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
N	Minor virion protein	-	-	-
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	capsid protein V20	-	-	viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
N	IPR049413	Minor capsid protein V18/19-like, jelly roll domain superfamily	Homologous Superfamily
N	IPR049412	Minor capsid protein V18-like, jelly roll domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR053889	Major capsid protein V20, N-terminal domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR053887	Major capsid protein V20, 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.