Annotations: 1LDN

STRUCTURE OF A TERNARY COMPLEX OF AN ALLOSTERIC LACTATE DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS AT 2.5 ANGSTROMS RESOLUTION

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)
A	d1ldna1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
A	d1ldna2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
C	d1ldnc1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
C	d1ldnc2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
D	d1ldnd1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
D	d1ldnd2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
E	d1ldne1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
E	d1ldne2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
F	d1ldnf1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
F	d1ldnf2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
G	d1ldng1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
G	d1ldng2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
H	d1ldnh1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
H	d1ldnh2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
B	d1ldnb1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	LDH N-terminal domain-like	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)
B	d1ldnb2	Alpha and beta proteins (a+b)	LDH C-terminal domain-like	LDH C-terminal domain-like	Lactate & malate dehydrogenases, C-terminal domain	Lactate dehydrogenase	(Geobacillus stearothermophilus ) [TaxId: 1422 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	LDH/MDH-like	8057321	4000045	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	LDH/MDH/AglA-like	8057322	3000039	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)
A	Ldh_1_N	e1ldnA2	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: Ldh_1_N	ECOD (v295.2)
A	Ldh_1_C	e1ldnA3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
C	FAD_binding_3	e1ldnC2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
C	Ldh_1_C	e1ldnC3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
D	FAD_binding_3	e1ldnD2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
D	Ldh_1_C	e1ldnD3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
E	FAD_binding_3	e1ldnE2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
E	Ldh_1_C	e1ldnE3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
F	FAD_binding_3	e1ldnF2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
F	Ldh_1_C	e1ldnF3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
G	FAD_binding_3	e1ldnG2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
G	Ldh_1_C	e1ldnG3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
H	FAD_binding_3	e1ldnH2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
H	Ldh_1_C	e1ldnH3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
B	FAD_binding_3	e1ldnB2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: FAD_binding_3	ECOD (v295.2)
B	Ldh_1_C	e1ldnB3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, 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	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	CATH (4.3.0)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
D	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	CATH (4.3.0)
E	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
E	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	CATH (4.3.0)
F	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
F	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, 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	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	CATH (4.3.0)
H	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
H	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.90.110.10	Alpha Beta	Alpha-Beta Complex	L-2-Hydroxyisocaproate Dehydrogenase	Chain A, domain 2	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	L-LACTATE DEHYDROGENASE	L-lactate dehydrogenase (NAD+) activity L-2-hydroxycarboxylate dehydrogenase (NAD+) activity oxidoreductase activity L-lactate dehydrogenase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors lactate dehydrogenase activity catalytic activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding L-lactate dehydrogenase (NAD+) activity L-2-hydroxycarboxylate dehydrogenase (NAD+) activity oxidoreductase activity L-lactate dehydrogenase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors lactate dehydrogenase activity catalytic activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding	ribonucleotide catabolic process pyridine nucleotide catabolic process aerobic respiration oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process nucleoside phosphate catabolic process nucleobase-containing compound metabolic process glycolytic process pyridine-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process phosphorus metabolic process ribonucleotide catabolic process pyridine nucleotide catabolic process aerobic respiration oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process nucleoside phosphate catabolic process nucleobase-containing compound metabolic process glycolytic process pyridine-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process pyruvate metabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process nucleotide metabolic process nucleobase-containing compound catabolic process nucleoside diphosphate metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process metabolic process nucleoside triphosphate metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process cellular respiration catabolic process ATP metabolic process energy derivation by oxidation of organic compounds purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process nucleotide catabolic process purine nucleoside triphosphate metabolic process purine nucleotide catabolic process carbohydrate metabolic process carbohydrate derivative catabolic process ADP catabolic process carboxylic acid metabolic process generation of precursor metabolites and energy purine-containing compound metabolic process ADP metabolic process organophosphate metabolic process purine ribonucleoside diphosphate metabolic process cellular process purine ribonucleoside diphosphate catabolic process lactate metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR011304	L-lactate dehydrogenase	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR018177	L-lactate dehydrogenase, active site	Active Site
A, B, C, D, E A, B, C, D, E, F, G, H	IPR001236	Lactate/malate dehydrogenase, N-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR015955	Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR022383	Lactate/malate dehydrogenase, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR001557	L-lactate/malate dehydrogenase	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.