3zzn

5-Mutant (R79W, R151A, E279A, E299A,E313A) Lactate-Dehydrogenase from Thermus thermophillus

Method: X-RAY DIFFRACTION

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

LACTATE DEHYDROGENASE

THERMUS THERMOPHILUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	ADENOSINE-5'-DIPHOSPHATE × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LDH_THET8
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–310； UniProt 1–310 Author chain B； PDBConstruct 1–310； UniProt 1–310 Author chain C； PDBConstruct 1–310； UniProt 1–310 Author chain D； PDBConstruct 1–310； UniProt 1–310

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_id	3zzn
Deposition date deposition_date	2011-09-02
Structure title title	5-Mutant (R79W, R151A, E279A, E299A,E313A) Lactate-Dehydrogenase from Thermus thermophillus
Keywords keywords	PROTEIN ADAPTATION, CONFORMATIONAL ENERGY LANDSCAPE, OXIDOREDUCTASE, HYPERTHERMOPHILIC; OXIDOREDUCTASE
Experimental Method method	X-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.

3zzn__assembly_1__model_1

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

Download this curve (.dat)

3zzn__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3zzn__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	32.46 Å
Rg (electron density)	31.35 Å
Total Rg	32.07 Å
Atom count	9178
Residues	1239
Excluded volume	164130 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3zzn__assembly_1__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)

Entity 1 Entity 1 polymer

Description description	LACTATE DEHYDROGENASE
Molecular weight formula_weight	32599.4 kDa
EC 编号 ec_number	1.1.1.27
Mutation mutation	YES
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	9876

MKVGIVGSGMVGSATAYALALLGVAREVVLVDLDRKLAQAHAEDILHATPFAHPVWVWAGSYGDLEGARAVVLAAGVAQRPGETRLQLLDRNAQVFAQVVPRVLEAAPEAVLLVATNPVDVMTQVAYALSGLPPGRVVGSGTILDTARFRALLAEYLRVAPQSVHAYVLGEHGDSEVLVWSSAQVGGVPLLEFAEARGRALSPEDRARIDEGVRRAAYRIIEGKGATYYGIGAGLARLVRAILTDEKGVYTVSAFTPEVAGVLEVSLSLPRILGAGGVAGTVYPSLSPEERAALRRSAEILKEAAFALGF

Source Source

Source organism organism	THERMUS THERMOPHILUS
NCBI taxonomy ID ncbi_taxonomy_id	300852
Host organism host_organism	Escherichia coli DH5[alpha]

Entity 2 Entity 2 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	416

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d3zzna1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.0 — automated matches

Domain ID domain_id	d3zzna2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.162 — LDH C-terminal domain-like
Superfamily Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
Family Family family	d.162.1.0 — automated matches

Domain ID domain_id	d3zznb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.0 — automated matches

Domain ID domain_id	d3zznb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.162 — LDH C-terminal domain-like
Superfamily Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
Family Family family	d.162.1.0 — automated matches

Domain ID domain_id	d3zznc1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.0 — automated matches

Domain ID domain_id	d3zznc2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.162 — LDH C-terminal domain-like
Superfamily Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
Family Family family	d.162.1.0 — automated matches

Domain ID domain_id	d3zznd1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.0 — automated matches

Domain ID domain_id	d3zznd2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.162 — LDH C-terminal domain-like
Superfamily Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
Family Family family	d.162.1.0 — automated matches

CATH v4.4 (8 domains)

Domain ID domain_id	3zznA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	3zznA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

Domain ID domain_id	3zznB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	3zznB02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

Domain ID domain_id	3zznC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	3zznC02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

Domain ID domain_id	3zznD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	3zznD02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

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Unit-cell length a length_a	157.123 Å
Unit-cell length b length_b	59.597 Å
Unit-cell length c length_c	153.076 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.37 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	45.470 Å
R factor r_factor	0.1919
R_work r_work	0.1878
R_free r_free	0.2512

5-Mutant (R79W, R151A, E279A, E299A,E313A) Lactate-Dehydrogenase from Thermus thermophillus

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

LACTATE DEHYDROGENASE

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3zzn__assembly_1__model_1

3zzn__assembly_1__model_1 | I(q)

3zzn__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

5-Mutant (R79W, R151A, E279A, E299A,E313A) Lactate-Dehydrogenase from Thermus thermophillus

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

LACTATE DEHYDROGENASE

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3zzn__assembly_1__model_1

3zzn__assembly_1__model_1 | I(q)

3zzn__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)