Annotations: 2O6H

Lumazine synthase RibH1 from Brucella melitensis (Gene BMEI1187, Swiss-Prot entry Q8YGH2) complexed with inhibitor 5-Nitro-6-(D-Ribitylamino)-2,4(1H,3H) Pyrimidinedione

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
E	SCOP2B Superfamily	Lumazine synthase	8066581	3001085	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Lumazine synthase	8066581	3001085	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Lumazine synthase	8066581	3001085	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Lumazine synthase	8066581	3001085	SCOP2B (2022-06-29)
A	SCOP2 Family	Lumazine synthase	8066580	4003586	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Lumazine synthase	8066581	3001085	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	CsrA	e2o6hE1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
D	CsrA	e2o6hD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
C	CsrA	e2o6hC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
B	CsrA	e2o6hB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
A	CsrA	e2o6hA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
D	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
C	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
B	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
A	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	6,7-dimethyl-8-ribityllumazine synthase 1	6,7-dimethyl-8-ribityllumazine synthase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	water-soluble vitamin biosynthetic process small molecule biosynthetic process flavin-containing compound metabolic process vitamin biosynthetic process riboflavin biosynthetic process vitamin metabolic process flavin-containing compound biosynthetic process biosynthetic process metabolic process cellular process small molecule metabolic process riboflavin metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex riboflavin synthase complex transferase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR036467	Lumazine/riboflavin synthase superfamily	Homologous Superfamily
A, B, C, D, E	IPR034964	Lumazine synthase	Family
A, B, C, D, E	IPR002180	Lumazine/riboflavin synthase	Family