1t24

Plasmodium falciparum lactate dehydrogenase complexed with NAD+ and 4-hydroxy-1,2,5-oxadiazole-3-carboxylic acid

Method: X-RAY DIFFRACTION Dmax: 66.1 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

L-lactate dehydrogenase

Plasmodium falciparum

UniProt Q27743

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–316 Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 OXQ 4-HYDROXY-1,2,5-OXADIAZOLE-3-CARBOXYLIC ACID × 4 GOL GLYCEROL × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;291 K;MPD, Hepes, Imidazole, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 1.70 Å R-free 0.167

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LDH1_PLAFD
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–316; UniProt 1–316

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1t24

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1t24
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1t24
Deposition date deposition_date2004-04-20
Structure title titlePlasmodium falciparum lactate dehydrogenase complexed with NAD+ and 4-hydroxy-1,2,5-oxadiazole-3-carboxylic acid
Keywords keywordsProtein-ligand complex, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier20.35
Radius of gyration Rg (electron density) rg_electron19.27
Forward intensity I(0) i020409500.00
Molecular weight molecular_weight34845.0 kDa
Excluded volume excluded_volume43908 ų
Envelope volume envelope_volume49553 ų
Hydration-shell volume shell_volume21250 ų
Envelope diameter envelope_diameter67.4
Shell Rg shell_rg26.14
Envelope Rg envelope_rg19.59
Shape Rg shape_rg19.28
Total Rg total_rg20.16
Total atoms total_atoms2442
Residues n_residues304
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax66.1
Rg (real space) rg_real20.25
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real2.0410e+07
I(0) uncertainty (real space) i0_real_error2.5540e+05
Rg (reciprocal space) rg_reciprocal20.27
I(0) (reciprocal space) i0_reciprocal20410000.0000
Solution quality estimate total_estimate0.8106
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.5
Skewness Skewness skewness0.219
Kurtosis Kurtosis kurtosis-0.341
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4089000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.847; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1t24a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.5 — LDH N-terminal domain-like
Domain ID domain_idd1t24a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.162 — LDH C-terminal domain-like
Superfamily Superfamily superfamilyd.162.1 — LDH C-terminal domain-like
Family Family familyd.162.1.1 — Lactate & malate dehydrogenases, C-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id1t24A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1t24A02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

8. Citations (1)

9. Files and Curves (10)