9IAS | pdb_00009ias

Sulfate transporter SLC26A11 in nanodiscs with nanobody Nb4

External Resource: Annotation

SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C, D	Heavy Chain	IGHV1	-	sodium-independent sulfate anion transporter	SAbDab (2026-04-10)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	nanobody Nb4	-	-	-
A, B	Sodium-independent sulfate anion transporter	chloride transmembrane transporter activity monoatomic anion transmembrane transporter activity bicarbonate transmembrane transporter activity bicarbonate:monoatomic anion antiporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity chloride:bicarbonate antiporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity solute:inorganic anion antiporter activity sulfate transmembrane transporter activity sulfur compound transmembrane transporter activity chloride transmembrane transporter activity monoatomic anion transmembrane transporter activity bicarbonate transmembrane transporter activity bicarbonate:monoatomic anion antiporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity chloride:bicarbonate antiporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity solute:inorganic anion antiporter activity sulfate transmembrane transporter activity sulfur compound transmembrane transporter activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic anion channel activity chloride channel activity secondary active sulfate transmembrane transporter activity	organic acid transport localization organic anion transport carboxylic acid transport transport oxalate transport dicarboxylic acid transport establishment of localization monoatomic ion transmembrane transport chloride transport transmembrane transport chloride transmembrane transport monoatomic anion transport monoatomic anion transmembrane transport organic acid transport localization organic anion transport carboxylic acid transport transport oxalate transport dicarboxylic acid transport establishment of localization monoatomic ion transmembrane transport chloride transport transmembrane transport chloride transmembrane transport monoatomic anion transport monoatomic anion transmembrane transport monoatomic ion transport cellular process inorganic anion transport sulfate transmembrane transport sulfur compound transport	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm organelle membrane lysosome Golgi apparatus endomembrane system cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle basal part of cell basal plasma membrane basolateral plasma membrane nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002645	STAS domain	Domain
A, B	IPR018045	Sulphate anion transporter, conserved site	Conserved Site
A, B	IPR036513	STAS domain superfamily	Homologous Superfamily
A, B	IPR011547	SLC26A/SulP transporter domain	Domain
A, B	IPR001902	SLC26A/SulP transporter	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q86WA9	medulloblastoma psoriasis ovarian cancer Pick disease

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.