Annotations: 3N4P

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Inhibitor_I9	e3n4pD1	A: alpha arrays	X: alpha/beta-Hydrolases	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: Inhibitor_I9	ECOD (v295.2)
C	Inhibitor_I9	e3n4pC1	A: alpha arrays	X: alpha/beta-Hydrolases	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: Inhibitor_I9	ECOD (v295.2)
B	PI3Ka	e3n4pB1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: PI3Ka	ECOD (v295.2)
A	PI3Ka	e3n4pA1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: PI3Ka	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.420.320	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
C	3.30.420.320	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	3.30.420.320	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	3.30.420.320	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Terminase subunit UL89 protein	DNA binding binding nucleic acid binding hydrolase activity catalytic activity	cellular component organization organelle organization chromosome organization cellular process cellular component organization or biogenesis	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle

Chains	Accession	Name	Type
A, B, C, D	IPR033663	Tripartite terminase subunit 3	Family
A, B, C, D	IPR038435	Probable DNA packing protein, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR003498	Probable DNA packing protein, C-terminal	Domain
A, B, C, D	IPR003499	Probable DNA packing protein, N-terminal	Domain
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.

3N4P | pdb_00003n4p