1AA7

INFLUENZA VIRUS MATRIX PROTEIN CRYSTAL STRUCTURE AT PH 4.0

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
A	d1aa7a_	All alpha proteins	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	(unidentified influenza virus ) [TaxId: 11309 ],	SCOPe (2.08)
B	d1aa7b_	All alpha proteins	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	Influenza virus matrix protein M1	(unidentified influenza virus ) [TaxId: 11309 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Influenza virus matrix protein M1	8025933	4001140	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Influenza virus matrix protein M1-like	8038312	3000900	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Influenza virus matrix protein M1-like	8038312	3000900	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Flu_M1	e1aa7A1	A: alpha complex topology	X: Influenza virus matrix protein M1 (From Topology)	H: Influenza virus matrix protein M1 (From Topology)	T: Influenza virus matrix protein M1	F: Flu_M1	ECOD (1.6)
B	Flu_M1	e1aa7B1	A: alpha complex topology	X: Influenza virus matrix protein M1 (From Topology)	H: Influenza virus matrix protein M1 (From Topology)	T: Influenza virus matrix protein M1	F: Flu_M1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00598	Influenza Matrix protein (M1) (Flu_M1)	Influenza Matrix protein (M1)	This protein forms a continuous shell on the inner side of the lipid bilayer, but its function is unclear.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	INFLUENZA VIRUS MATRIX PROTEIN	structural constituent of virion structural molecule activity RNA binding binding organic cyclic compound 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	virion component virion membrane cellular anatomical structure extracellular region cell periphery plasma membrane membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region host cell nucleus host intracellular organelle

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

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.