Annotations: 1XN1

Crystal Structure Of Lumazine Synthase From Brucella Abortus (Orthorhombic Form At 3.05 Angstroms)

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	d1xn1j_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
I	d1xn1i_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
H	d1xn1h_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
G	d1xn1g_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
F	d1xn1f_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
E	d1xn1e_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
D	d1xn1d_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
C	d1xn1c_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
B	d1xn1b_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	SCOPe (2.08)
A	d1xn1a_	Alpha and beta proteins (a/b)	Lumazine synthase	Lumazine synthase	Lumazine synthase	Lumazine synthase	(Brucella abortus ) [TaxId: 235 ],	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	8044030	3001085	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Lumazine synthase	8044030	3001085	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Lumazine synthase	8044030	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	B	e1xn1J1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
I	B	e1xn1I1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
H	B	e1xn1H1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
G	B	e1xn1G1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
F	B	e1xn1F1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
E	B	e1xn1E1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
D	B	e1xn1D1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
C	B	e1xn1C1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
B	B	e1xn1B1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
A	B	e1xn1A1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	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	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

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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.