Annotations: 8XV5

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01770	Reduced folate carrier (Folate_carrier)	Reduced folate carrier	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Soluble cytochrome b562,Thiamine transporter 2	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding thiamine transmembrane transporter activity organic cation transmembrane transporter activity azole transmembrane transporter activity sulfur compound transmembrane transporter activity binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding thiamine transmembrane transporter activity organic cation transmembrane transporter activity azole transmembrane transporter activity sulfur compound transmembrane transporter activity vitamin transmembrane transporter activity transporter activity transmembrane transporter activity	electron transport chain metabolic process cellular process generation of precursor metabolites and energy localization nitrogen compound transport transport vitamin transport pyridoxine transport vitamin B6 transport organic hydroxy compound transport establishment of localization sulfur compound transport thiamine transport electron transport chain metabolic process cellular process generation of precursor metabolites and energy localization nitrogen compound transport transport vitamin transport pyridoxine transport vitamin B6 transport organic hydroxy compound transport establishment of localization sulfur compound transport thiamine transport organic cation transport pyrimidine-containing compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process thiamine-containing compound metabolic process vitamin biosynthetic process vitamin metabolic process sulfur compound biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process thiamine diphosphate metabolic process sulfur compound metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process phosphorus metabolic process thiamine diphosphate biosynthetic process thiamine-containing compound biosynthetic process transmembrane transport azole transmembrane transport pyrimidine-containing compound transmembrane transport thiamine transmembrane transport vitamin transmembrane transport	cellular anatomical structure periplasmic space cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR010980	Cytochrome c/b562	Homologous Superfamily
A	IPR009155	Cytochrome b562	Family
A	IPR002666	Reduced folate carrier	Family
A	IPR036259	MFS transporter superfamily	Homologous Superfamily
A	IPR028337	Thiamine transporter 2	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9BZV2	biotin-responsive basal ganglia disease basal ganglia disease ulcerative colitis breast fibroadenoma Extrapyramidal Disorders invasive ductal breast carcinoma lung adenocarcinoma malignant colon neoplasm ovarian cancer Crohn disease inflammatory bowel disease Leigh syndrome lung cancer primary biliary cholangitis breast carcinoma biotin-responsive basal ganglia disease basal ganglia disease ulcerative colitis breast fibroadenoma Extrapyramidal Disorders invasive ductal breast carcinoma lung adenocarcinoma malignant colon neoplasm ovarian cancer Crohn disease inflammatory bowel disease Leigh syndrome lung cancer primary biliary cholangitis breast carcinoma ductal breast carcinoma in situ intellectual disability lung carcinoma non-small cell lung carcinoma

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Solute Carrier (SLC) Transporter Superfamily	SLC19A3 thiamine transporter 2, with bound thiamine

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.