3E1K

Crystal structure of Kluyveromyces lactis Gal80p in complex with the acidic activation domain of Gal4p

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
E	d3e1ke1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
E	d3e1ke2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
A	d3e1ka1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
A	d3e1ka2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
A	d3e1ka3	Artifacts	Tags	Tags	Tags	C-terminal Tags	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
C	d3e1kc1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
C	d3e1kc2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
G	d3e1kg1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
G	d3e1kg2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
I	d3e1ki1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
I	d3e1ki2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
K	d3e1kk1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
K	d3e1kk2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
M	d3e1km1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
M	d3e1km2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
O	d3e1ko1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)
O	d3e1ko2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Glucose 6-phosphate dehydrogenase-like	Galactose/lactose metabolism regulatory protein GAL80	yeast (Kluyveromyces lactis ) [TaxId: 28985 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	GAPDH-like	8056153	3000043	SCOP2B (2022-06-29)
O	SCOP2B Superfamily	GAPDH-like	8056153	3000043	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)
E	KOG2741	e3e1kE1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
E	UNK_F_TYPE	e3e1kE2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
A	KOG2741	e3e1kA1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
A	UNK_F_TYPE	e3e1kA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
C	KOG2741	e3e1kC1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
C	UNK_F_TYPE	e3e1kC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
G	KOG2741	e3e1kG1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
G	UNK_F_TYPE	e3e1kG2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
I	KOG2741	e3e1kI1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
I	UNK_F_TYPE	e3e1kI2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
K	KOG2741	e3e1kK1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
K	UNK_F_TYPE	e3e1kK2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
M	KOG2741	e3e1kM1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
M	UNK_F_TYPE	e3e1kM2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)
O	KOG2741	e3e1kO1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: KOG2741	ECOD (1.6)
O	UNK_F_TYPE	e3e1kO2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: UNK_F_TYPE	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
E	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
G	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
G	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
I	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
I	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
K	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
K	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
M	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
M	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
O	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
O	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E, G, I A, C, E, G, I, K, M, O	PF22685	Gal80p, C-terminal domain (Gal80p_C-like)	Gal80p, C-terminal domain	This domain is found in the homologues of Gal80p, an yeast regulatory protein closely related to glucose-fructose oxidoreductase. In Gal80p, this domain is likely involved in the binding of Gal4p [1].	Domain
A, C, E, G, I A, C, E, G, I, K, M, O	PF01408	Oxidoreductase family, NAD-binding Rossmann fold (GFO_IDH_MocA)	Oxidoreductase family, NAD-binding Rossmann fold	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E, G, I A, C, E, G, I, K, M, O	Galactose/lactose metabolism regulatory protein GAL80	DNA binding binding organic cyclic compound binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process small molecule metabolic process metabolic process primary metabolic process galactose metabolic process	-
B, D, F, H, J B, D, F, H, J, L, N, P	Lactose regulatory protein LAC9	DNA binding binding organic cyclic compound binding nucleic acid binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process metabolic process cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of nucleobase-containing compound metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II regulation of cellular biosynthetic process positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of cellular biosynthetic process monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process small molecule metabolic process galactose metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E, G, I A, C, E, G, I, K, M, O	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, C, E, G, I A, C, E, G, I, K, M, O	IPR051317	Gfo/Idh/MocA family oxidoreductases	Family
A, C, E, G, I A, C, E, G, I, K, M, O	IPR000683	Gfo/Idh/MocA-like oxidoreductase, N-terminal	Domain
B, D, F, H, J B, D, F, H, J, L, N, P	IPR051127	Fungal Secondary Metabolite Regulators	Family
B, D, F, H, J B, D, F, H, J, L, N, P	IPR036864	Zn(2)-C6 fungal-type DNA-binding domain superfamily	Homologous Superfamily
B, D, F, H, J B, D, F, H, J, L, N, P	IPR046347	Basic-leucine zipper domain superfamily	Homologous Superfamily
B, D, F, H, J B, D, F, H, J, L, N, P	IPR007219	Transcription factor domain, fungi	Domain
B, D, F, H, J B, D, F, H, J, L, N, P	IPR001138	Zn(2)Cys(6) fungal-type DNA-binding domain	Domain
B, D, F, H, J B, D, F, H, J, L, N, P	IPR005600	Gal4 dimerisation domain	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.