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1llc

STRUCTURE DETERMINATION OF THE ALLOSTERIC L-LACTATE DEHYDROGENASE FROM LACTOBACILLUS CASEI AT 3.0 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

L-LACTATE DEHYDROGENASE

Lactobacillus casei

UniProt P00343

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 1,6-di-O-phosphono-alpha-D-fructofuranose × 4 SULFATE ION × 4 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 4 1,6-di-O-phosphono-alpha-D-fructofuranose × 4 SULFATE ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1llc 1llc 2zqy 2zqz 2zqz 6jml 6jml

7 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name LDH_LACCA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–325； UniProt 1–325

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1llc
Deposition date deposition_date1988-11-21
Structure title titleSTRUCTURE DETERMINATION OF THE ALLOSTERIC L-LACTATE DEHYDROGENASE FROM LACTOBACILLUS CASEI AT 3.0 ANGSTROMS RESOLUTION
Keywords keywordsOXIDOREDUCTASE(CHOH(D)-NAD(A)); OXIDOREDUCTASE(CHOH(D)-NAD(A))
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1llc__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1llc__assembly_2__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1llc__assembly_2__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）31.99 Å
Rg (electron density)31.07 Å
Total Rg31.78 Å
Atom count9916
Residues1284
Excluded volume177400 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1llc__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1llc__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1llca1
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_idd1llca2
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_id1llcA01
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_id1llcA02
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
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7. Citations (4)