Annotations: 3HWW

Crystal structure of menaquinone synthesis protein MenD from E. coli in complex with oxoglutarate

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth D]	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8092257	3001790	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	DHS-like NAD/FAD-binding domain	8092253	3001728	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8092255	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8092257	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8092255	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	DHS-like NAD/FAD-binding domain	8092253	3001728	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)
B [auth D]	Piwi	e3hwwD4	A: beta barrels	X: PH domain-like	H: PH domain-like	T: PH domain-like	F: Piwi	ECOD (v294.2)
B [auth D]	Aconitase	e3hwwD3	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Aconitase	ECOD (v294.2)
B [auth D]	EryCIII-like_N	e3hwwD5	A: beta barrels	X: Rubredoxin-like	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: EryCIII-like_N	ECOD (v294.2)
A	DNA_pol_B_exo1	e3hwwA1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: DNA_pol_B_exo1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth D]	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 [auth D]	3.40.50.1220	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	TPP-binding domain	CATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth D]	PF16582	Middle domain of thiamine pyrophosphate (TPP_enzyme_M_2)	Middle domain of thiamine pyrophosphate	TPP_enzyme_M_2 is the middle domain of thiamine pyrophosphate in sequences not captured by Pfam:PF00205. This enzyme is necessary for the first step of the biosynthesis of menaquinone, or vitamin K2, an important cofactor in electron transport in bac ...	TPP_enzyme_M_2 is the middle domain of thiamine pyrophosphate in sequences not captured by Pfam:PF00205. This enzyme is necessary for the first step of the biosynthesis of menaquinone, or vitamin K2, an important cofactor in electron transport in bacteria [1].	Domain
A, B [auth D]	PF02775	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain (TPP_enzyme_C)	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain		Domain
A, B [auth D]	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 [auth D]	2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding manganese ion binding transition metal ion binding 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase activity transketolase or transaldolase activity transferase activity catalytic activity identical protein binding protein binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding manganese ion binding transition metal ion binding 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase activity transketolase or transaldolase activity transferase activity catalytic activity identical protein binding protein binding protein homodimerization activity protein dimerization activity vitamin binding thiamine pyrophosphate binding anion binding quaternary ammonium group binding heterocyclic compound binding sulfur compound binding	biosynthetic process small molecule biosynthetic process ketone metabolic process menaquinone metabolic process metabolic process cellular process small molecule metabolic process menaquinone biosynthetic process ketone biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth D]	IPR012001	Thiamine pyrophosphate enzyme, N-terminal TPP-binding domain	Domain
A, B [auth D]	IPR004433	2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase	Family
A, B [auth D]	IPR032264	Menaquinone biosynthesis protein MenD, middle domain	Domain
A, B [auth D]	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A, B [auth D]	IPR011766	Thiamine pyrophosphate enzyme, TPP-binding	Domain

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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.