Annotations: 3QE6

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	C1-set	e3qe6A1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: C1-set	ECOD (v294.1)
B	Beta-lactamase	e3qe6B1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Beta-lactamase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)
B	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00611	Fes/CIP4, and EFC/F-BAR homology domain (FCH)	Fes/CIP4, and EFC/F-BAR homology domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein kinase C and casein kinase II substrate protein 3	binding lipid binding molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cytoskeletal protein binding protein binding binding lipid binding molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cytoskeletal protein binding protein binding phospholipid binding identical protein binding	regulation of localization regulation of calcium ion transport regulation of biological process transport regulation of transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization calcium ion transport metal ion transport negative regulation of calcium ion transport localization regulation of localization regulation of calcium ion transport regulation of biological process transport regulation of transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization calcium ion transport metal ion transport negative regulation of calcium ion transport localization monoatomic ion transport monoatomic cation transport regulation of metal ion transport plasma membrane tubulation membrane organization cellular component organization plasma membrane organization cellular process cellular component organization or biogenesis endomembrane system organization organelle organization cytoskeleton organization import into cell regulation of cellular process regulation of cellular component organization negative regulation of cellular component organization negative regulation of endocytosis regulation of vesicle-mediated transport vesicle-mediated transport negative regulation of cellular process endocytosis regulation of endocytosis catabolic process positive regulation of protein metabolic process positive regulation of biological process positive regulation of membrane protein ectodomain proteolysis macromolecule catabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of proteolysis proteolysis membrane protein proteolysis positive regulation of macromolecule metabolic process protein metabolic process positive regulation of cellular process membrane protein ectodomain proteolysis regulation of membrane protein ectodomain proteolysis regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of catabolic process positive regulation of proteolysis metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process	membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle cytosol cell periphery membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001452	SH3 domain	Domain
A, B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B	IPR027267	AH/BAR domain superfamily	Homologous Superfamily
A, B	IPR001060	FCH domain	Domain
A, B	IPR031160	F-BAR domain	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Monotopic/peripheral	All alpha monotopic/peripheral	BAR domains	F-BAR domain

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.