Annotations: 3EC3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e3ec3A2	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e3ec3B3	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13848	Thioredoxin-like domain (Thioredoxin_6)	Thioredoxin-like domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein disulfide-isomerase A4	cell adhesion molecule binding protein-containing complex binding protein binding binding integrin binding signaling receptor binding oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity isomerase activity intramolecular oxidoreductase activity cell adhesion molecule binding protein-containing complex binding protein binding binding integrin binding signaling receptor binding oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity isomerase activity intramolecular oxidoreductase activity intramolecular oxidoreductase activity, transposing S-S bonds protein disulfide isomerase activity	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process chaperone-mediated protein folding regulation of biological process regulation of cellular process biological regulation positive regulation of biological process positive regulation of protein folding regulation of protein folding positive regulation of cellular process multicellular organismal process regulation of body fluid levels response to stimulus response to stress blood coagulation, fibrin clot formation coagulation regulation of biological quality response to wounding wound healing protein activation cascade hemostasis blood coagulation homotypic cell-cell adhesion cell activation platelet aggregation cell adhesion cell-cell adhesion platelet activation cellular response to stimulus cellular response to stress response to endoplasmic reticulum stress	membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle membrane-enclosed lumen endomembrane system membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle membrane-enclosed lumen endomembrane system intracellular organelle lumen endoplasmic reticulum lumen organelle lumen endoplasmic reticulum cell surface smooth endoplasmic reticulum extracellular region extracellular space protein-containing complex endoplasmic reticulum chaperone complex endoplasmic reticulum protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017068	Protein disulphide-isomerase A4	Family
A, B	IPR005788	Protein disulfide-isomerase, thioredoxin-like domain	Domain
A, B	IPR041866	Protein disulfide-isomerase A4, TRX-like domain b	Domain
A, B	IPR005792	Protein disulphide isomerase	Family
A, B	IPR013766	Thioredoxin domain	Domain
A, B	IPR017937	Thioredoxin, conserved site	Conserved Site
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily

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.