Annotations: 5IMS

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5imsa2	Alpha and beta proteins (a/b)	DHS-like NAD/FAD-binding domain	DHS-like NAD/FAD-binding domain	Pyruvate oxidase and decarboxylase, middle domain	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)
A	d5imsa1	Alpha and beta proteins (a/b)	Thiamin diphosphate-binding fold (THDP-binding)	Thiamin diphosphate-binding fold (THDP-binding)	Pyruvate oxidase and decarboxylase Pyr module	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)
A	d5imsa3	Alpha and beta proteins (a/b)	Thiamin diphosphate-binding fold (THDP-binding)	Thiamin diphosphate-binding fold (THDP-binding)	Pyruvate oxidase and decarboxylase PP module	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)
B	d5imsb2	Alpha and beta proteins (a/b)	DHS-like NAD/FAD-binding domain	DHS-like NAD/FAD-binding domain	Pyruvate oxidase and decarboxylase, middle domain	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)
B	d5imsb1	Alpha and beta proteins (a/b)	Thiamin diphosphate-binding fold (THDP-binding)	Thiamin diphosphate-binding fold (THDP-binding)	Pyruvate oxidase and decarboxylase Pyr module	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)
B	d5imsb3	Alpha and beta proteins (a/b)	Thiamin diphosphate-binding fold (THDP-binding)	Thiamin diphosphate-binding fold (THDP-binding)	Pyruvate oxidase and decarboxylase PP module	Acetohydroxyacid synthase catalytic subunit	Baker's yeast (Saccharomyces cerevisiae S288C ) [TaxId: 559292 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	DHS-like NAD/FAD-binding domain	8042432	3001728	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8042434	3001790	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8042434	3001790	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DHS-like NAD/FAD-binding domain	8042432	3001728	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8042435	3001790	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	TPP_enzyme_M	e5imsA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: DHS-like NAD/FAD-binding domain	F: TPP_enzyme_M	ECOD (1.6)
A	TPP_enzyme_C	e5imsA1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_C	ECOD (1.6)
A	TPP_enzyme_N	e5imsA2	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_N	ECOD (1.6)
B	TPP_enzyme_M	e5imsB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: DHS-like NAD/FAD-binding domain	F: TPP_enzyme_M	ECOD (1.6)
B	TPP_enzyme_C	e5imsB1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_C	ECOD (1.6)
B	TPP_enzyme_N	e5imsB3	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
A	3.40.50.1220	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	TPP-binding domain	CATH (4.3.0)
B	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
B	3.40.50.1220	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	TPP-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00205	Thiamine pyrophosphate enzyme, central domain (TPP_enzyme_M)	Thiamine pyrophosphate enzyme, central domain	The central domain of TPP enzymes contains a 2-fold Rossman fold.	Domain
A, B	PF02775	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain (TPP_enzyme_C)	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain	-	Domain
A, B	PF02776	Thiamine pyrophosphate enzyme, N-terminal TPP binding domain (TPP_enzyme_N)	Thiamine pyrophosphate enzyme, N-terminal TPP binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Acetolactate synthase catalytic subunit, mitochondrial	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding transketolase or transaldolase activity transferase activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding transketolase or transaldolase activity transferase activity acetolactate synthase activity catalytic activity vitamin binding thiamine pyrophosphate binding quaternary ammonium group binding sulfur compound binding	oxoacid metabolic process small molecule biosynthetic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process amino acid biosynthetic process biosynthetic process isoleucine biosynthetic process branched-chain amino acid biosynthetic process metabolic process oxoacid metabolic process small molecule biosynthetic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process amino acid biosynthetic process biosynthetic process isoleucine biosynthetic process branched-chain amino acid biosynthetic process metabolic process cellular process small molecule metabolic process branched-chain amino acid metabolic process isoleucine metabolic process alpha-amino acid biosynthetic process pyruvate family amino acid metabolic process pyruvate family amino acid biosynthetic process L-amino acid biosynthetic process L-valine biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process proteinogenic amino acid biosynthetic process valine metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex catalytic complex acetolactate synthase complex transferase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR045229	Thiamine pyrophosphate enzyme	Family
A, B	IPR012001	Thiamine pyrophosphate enzyme, N-terminal TPP-binding domain	Domain
A, B	IPR000399	TPP-binding enzyme, conserved site	Conserved Site
A, B	IPR012000	Thiamine pyrophosphate enzyme, central domain	Domain
A, B	IPR012846	Acetolactate synthase, large subunit, biosynthetic	Family
A, B	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A, B	IPR039368	Acetolactate synthase large subunit, TPP binding domain	Domain
A, B	IPR029035	DHS-like NAD/FAD-binding domain superfamily	Homologous Superfamily
A, B	IPR011766	Thiamine pyrophosphate enzyme, TPP-binding	Domain

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.