5LDH

STRUCTURE OF THE ACTIVE TERNARY COMPLEX OF PIG HEART LACTATE DEHYDROGENASE WITH S-LAC-NAD AT 2.7 ANGSTROMS RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb5LDH/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Sus scrofa
• Mutation(s): No 


• Deposited: 1980-10-29 Released: 1981-03-04 
• Deposition Author(s): Grau, U.M., Rossmann, M.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Work: 0.196 

Literature

Structure of the active ternary complex of pig heart lactate dehydrogenase with S-lac-NAD at 2.7 A resolution.

Grau, U.M., Trommer, W.E., Rossmann, M.G.

(1981) J Mol Biol 151: 289-307

• PubMed: 7338899 
• DOI: https://doi.org/10.1016/0022-2836(81)90516-7
• Primary Citation of Related Structures:  
  5LDH

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 74.94 kDa 
• Atom Count: 5,248 
• Modelled Residue Count: 668 
• Deposited Residue Count: 668 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
LACTATE DEHYDROGENASE	A, B	334	Sus scrofa	Mutation(s): 0  EC: 1.1.1.27
UniProt
Find proteins for P00336 (Sus scrofa) Explore P00336  Go to UniProtKB:  P00336

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LNC	C [auth A], E [auth B]	(3S)-5-(3-CARBOXY-3-HYDROXYPROPYL) NICOTINAMIDE-ADENINE-DINUCLEOTIDE C25 H33 N7 O17 P2 PLMTVPOYALSQOL-AMUFZZJCSA-N
CIT	D [auth A], F [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Work: 0.196 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 133.6	α = 90
b = 133.6	β = 90
c = 113.5	γ = 120

Structure Validation

Entry History 

Deposition Data

• Released Date: 1981-03-04 
Deposition Author(s): Grau, U.M., Rossmann, M.G.

Revision History  

• Version 1.0: 1981-03-04
  Type: Initial release
  
• Version 1.1: 2008-03-25
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2023-05-31
  Changes: Database references, Derived calculations, Other
• Version 2.0: 2023-07-26
  Type: Remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Refinement description
• Version 2.1: 2024-03-20
  Changes: Data collection, Derived calculations
• Version 2.2: 2024-12-25
  Changes: Advisory, Derived calculations, Structure summary