Annotations: 4FVF

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Pyr_redox_dim	e4fvfB2	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: Pyr_redox_dim	ECOD (v294.1)
A	Pyr_redox_dim	e4fvfA2	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: Pyr_redox_dim	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.479.30	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
A	3.30.479.30	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Stomatin	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity transporter regulator activity channel inhibitor activity RNA polymerase binding identical protein binding protein binding binding protein homodimerization activity protein dimerization activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity transporter regulator activity channel inhibitor activity RNA polymerase binding enzyme binding	regulation of localization regulation of biological process regulation of cellular process transport regulation of transport monoatomic ion transmembrane transport regulation of monoatomic ion transport biological regulation regulation of monoatomic ion transmembrane transport establishment of localization transmembrane transport localization regulation of transmembrane transport monoatomic ion transport regulation of localization regulation of biological process regulation of cellular process transport regulation of transport monoatomic ion transmembrane transport regulation of monoatomic ion transport biological regulation regulation of monoatomic ion transmembrane transport establishment of localization transmembrane transport localization regulation of transmembrane transport monoatomic ion transport cellular process host-mediated activation of viral genome replication biological process involved in interspecies interaction between organisms host-mediated perturbation of viral genome replication host-mediated perturbation of viral process modulation of process of another organism host-mediated perturbation of symbiont process host-mediated activation of viral process cellular localization establishment of protein localization regulation of protein localization protein targeting positive regulation of biological process positive regulation of establishment of protein localization regulation of protein targeting to membrane intracellular protein localization positive regulation of cellular process establishment of protein localization to membrane regulation of establishment of protein localization localization within membrane protein targeting to membrane regulation of cellular localization regulation of protein targeting macromolecule localization positive regulation of protein targeting to membrane regulation of viral process positive regulation of viral process viral process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle pigment granule intracellular vesicle melanosome cytoplasmic vesicle vesicle cytoskeleton membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle pigment granule intracellular vesicle melanosome cytoplasmic vesicle vesicle cytoskeleton membraneless organelle intracellular membraneless organelle cytosol perinuclear region of cytoplasm cell periphery plasma membrane membrane membrane microdomain membrane raft endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR043202	Band-7 stomatin-like	Family
A, B	IPR001107	Band 7 domain	Domain
A, B	IPR018080	Band 7/stomatin-like, conserved site	Conserved Site
A, B	IPR036013	Band 7/SPFH domain superfamily	Homologous Superfamily
A, B	IPR001972	Stomatin/HflK family	Family

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.