Annotations: 8OMZ

Wide inward-open unliganded UraA in complex with a conformation-selective synthetic nanobody

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Nucleobase/cation symporter 2, NCS2-like	8092936	3002647	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nucleobase/cation symporter 2, NCS2-like	8092936	3002647	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)
D	UcrQ	e8omzD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: UcrQ	ECOD (v295)
B		e8omzB01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
C	UcrQ	e8omzC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: UcrQ	ECOD (v295)
A		e8omzA01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D	Heavy Chain	IGHV1	-	uracil permease	SAbDab (2026-06-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00860	Permease family (Xan_ur_permease)	Permease family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Sy45	-	-	-
A, C	Uracil permease	nucleobase transmembrane transporter activity pyrimidine nucleobase transmembrane transporter activity uracil transmembrane transporter activity transporter activity transmembrane transporter activity uracil:monoatomic cation symporter activity monoatomic cation transmembrane transporter activity solute:monoatomic cation symporter activity nucleobase:monoatomic cation symporter activity secondary active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity symporter activity identical protein binding nucleobase transmembrane transporter activity pyrimidine nucleobase transmembrane transporter activity uracil transmembrane transporter activity transporter activity transmembrane transporter activity uracil:monoatomic cation symporter activity monoatomic cation transmembrane transporter activity solute:monoatomic cation symporter activity nucleobase:monoatomic cation symporter activity secondary active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity symporter activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	uracil transmembrane transport import into cell nitrogen compound transport pyrimidine nucleobase transmembrane transport nucleobase transport transport uracil import across plasma membrane import across plasma membrane establishment of localization transmembrane transport uracil transport localization pyrimidine nucleobase transport pyrimidine-containing compound transmembrane transport uracil transmembrane transport import into cell nitrogen compound transport pyrimidine nucleobase transmembrane transport nucleobase transport transport uracil import across plasma membrane import across plasma membrane establishment of localization transmembrane transport uracil transport localization pyrimidine nucleobase transport pyrimidine-containing compound transmembrane transport cellular process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR006043	Nucleobase cation symporter 2 family	Family
A, C	IPR006042	Xanthine/uracil permease	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Nucleobase-Cation-Symport-2 (NCS2) Family	UraA uracil/H⁺ symporter-synthetic nanobody (Sy45) complex, G320P mutant, unliganded form, wide inward-open conformation

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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.