1TLW

Tsx structure complexed with thymidine

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1tlwa1	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Tsx-like channel	Tsx-like channel	Nucleoside-specific channel-forming protein tsx (NupA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1tlwa2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1tlwb_	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Tsx-like channel	Tsx-like channel	Nucleoside-specific channel-forming protein tsx (NupA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Tsx-like channel	8040320	3001993	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Tsx-like channel	8040320	3001993	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	Channel_Tsx	e1tlwA1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Tsx-like channel (From Topology)	T: Tsx-like channel	F: Channel_Tsx	ECOD (1.6)
B	Channel_Tsx	e1tlwB1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Tsx-like channel (From Topology)	T: Tsx-like channel	F: Channel_Tsx	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.230.20	Mainly Beta	Beta Barrel	Outer membrane phospholipase (ompla)	Chain C	CATH (4.3.0)
B	2.40.230.20	Mainly Beta	Beta Barrel	Outer membrane phospholipase (ompla)	Chain C	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03502	Nucleoside-specific channel-forming protein, Tsx (Channel_Tsx)	Nucleoside-specific channel-forming protein, Tsx	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nucleoside-specific channel-forming protein tsx	carbohydrate derivative transmembrane transporter activity wide pore channel activity nucleoside transmembrane transporter activity passive transmembrane transporter activity nucleobase-containing compound transmembrane transporter activity channel activity porin activity nucleoside-specific channel forming porin activity transporter activity transmembrane transporter activity	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction localization transport monoatomic ion transport establishment of localization nitrogen compound transport nucleoside transport organic substance transport biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction localization transport monoatomic ion transport establishment of localization nitrogen compound transport nucleoside transport organic substance transport carbohydrate derivative transport nucleobase-containing compound transport	protein-containing complex membrane pore complex membrane protein complex cellular anatomical entity cell periphery cell outer membrane external encapsulating structure cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018013	Nucleoside-specific channel-forming protein, Tsx-like	Family
A, B	IPR036777	Nucleoside-specific channel-forming protein, Tsx-like superfamily	Homologous Superfamily
A, B	IPR003055	Nucleoside-specific channel-forming protein Tsx	Family

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: BETA-BARREL	Beta-Barrel Membrane Proteins: Monomeric/Dimeric	Tsx nucleoside transporter (apoprotein)

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.