4PUS | pdb_00004pus

Crystal Structure of Influenza A Virus Matrix Protein M1

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4pusb_	All alpha proteins	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	automated matches	(Influenza A virus (A/Wilson-Smith/1933(H1N1)) ) [TaxId: 381518 ],	SCOPe (2.08)
A	d4pusa1	All alpha proteins	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	automated matches	(Influenza A virus (A/Wilson-Smith/1933(H1N1)) ) [TaxId: 381518 ],	SCOPe (2.08)
A	d4pusa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Wilson-Smith/1933(H1N1)) ) [TaxId: 381518 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Flu_M1	e4pusB1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Flu_M1	ECOD (v294.1)
A	Flu_M1	e4pusA1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Flu_M1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.91.10	Mainly Alpha	Up-down Bundle	Influenza Virus Matrix Protein	Chain A, domain 1	CATH (4.3.0)
B	1.10.10.180	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Influenza matrix protein M1, N-terminal subdomain 2	CATH (4.3.0)
A	1.20.91.10	Mainly Alpha	Up-down Bundle	Influenza Virus Matrix Protein	Chain A, domain 1	CATH (4.3.0)
A	1.10.10.180	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Influenza matrix protein M1, N-terminal subdomain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Matrix protein 1	structural constituent of virion structural molecule activity RNA binding binding nucleic acid binding	biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral process viral budding from plasma membrane viral release from host cell	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 virion component virion membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015799	Influenza matrix M1, N-terminal subdomain 2	Homologous Superfamily
A, B	IPR013188	Influenza matrix M1, C-terminal	Domain
A, B	IPR001561	Influenza matrix M1, N-terminal	Domain
A, B	IPR015423	Influenza matrix M1, N-terminal subdomain 1	Homologous Superfamily
A, B	IPR037533	Matrix protein 1	Family
A, B	IPR036039	Influenza virus matrix protein M1	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Monotopic/peripheral	All alpha monotopic/peripheral	Retroviral matrix protein	Influenza virus matrix protein M1

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.