Annotations: 2OBX

Lumazine synthase RibH2 from Mesorhizobium loti (Gene mll7281, Swiss-Prot entry Q986N2) complexed with inhibitor 5-Nitro-6-(D-Ribitylamino)-2,4(1H,3H) Pyrimidinedione

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
J	d2obxj_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
I	d2obxi_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
H	d2obxh_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
G	d2obxg_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
F	d2obxf_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
E	d2obxe_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
D	d2obxd_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
C	d2obxc_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
B	d2obxb_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)
A	d2obxa_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	automated matches	(Mesorhizobium loti ) [TaxId: 381 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	SCOP2B (2022-06-29)
B	SCOP2 Family	Lumazine synthase	8066584	4003586	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Lumazine synthase	8066585	3001085	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Lumazine synthase	8066585	3001085	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)
J	CsrA	e2obxJ1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
I	CsrA	e2obxI1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
H	CsrA	e2obxH1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
G	CsrA	e2obxG1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
F	CsrA	e2obxF1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
E	CsrA	e2obxE1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
D	CsrA	e2obxD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
C	CsrA	e2obxC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
B	CsrA	e2obxB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: CsrA	ECOD (v295.2)
A		e2obxA1	A: alpha arrays	X: Profilin-like	H: sensor domains	T: sensor domains	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
I	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
H	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
G	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
F	3.40.50.960	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Lumazine/riboflavin synthase	CATH (4.3.0)
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 A, B, C, D, E, F, G, H, I, J	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 A, B, C, D, E, F, G, H, I, J	IPR036467	Lumazine/riboflavin synthase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR034964	Lumazine synthase	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR002180	Lumazine/riboflavin synthase	Family