4QNC

Crystal structure of a SemiSWEET in an occluded state

External Resource: Annotation

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
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	semiSWEET transporter-like	8045544	4004526	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PQ loop repeat-like	8090948	3002472	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PQ loop repeat-like	8090948	3002472	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	MtN3_slv_1	e4qncA1	A: alpha duplicates or obligate multimers	X: TOG superfamily	H: SWEET transporter (From Topology)	T: SWEET transporter	F: MtN3_slv_1	ECOD (1.6)
B	MtN3_slv_1	e4qncB1	A: alpha duplicates or obligate multimers	X: TOG superfamily	H: SWEET transporter (From Topology)	T: SWEET transporter	F: MtN3_slv_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1280.290	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)
B	1.20.1280.290	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF04193	PQ loop repeat (PQ-loop)	PQ loop repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	chemical transport protein	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	transmembrane transport localization hexose transmembrane transport transport D-glucose transmembrane transport carbohydrate transport cellular process monosaccharide transmembrane transport carbohydrate transmembrane transport establishment of localization	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR047662	SemiSWEET transporter	Family
A, B	IPR006603	PQ-loop repeat	Repeat

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	PQ-loop transporters	SemiSWEET bacterial sugar transporters

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	SWEET and semiSWEET Transporters, and Their Relatives	semiSWEET transporter in occluded state

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.