SAXSdb — 2akz

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

Gamma enolase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 4 PHOSPHATE ION × 2 FLUORIDE ION × 4 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ENOG_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–433； UniProt 1–433 Author chain B； PDBConstruct 1–433； UniProt 1–433

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	2akz
Deposition date deposition_date	2005-08-04
Structure title title	Fluoride Inhibition of Enolase: Crystal Structure of the Inhibitory Complex
Keywords keywords	enolase; fluoride inhibition; negative cooperativity; glycolysis; crystal structure; isothermal titration calorimetry, LYASE; LYASE
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.

2akz__assembly_1__model_1

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

Download this curve (.dat)

2akz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2akz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.72 Å
Rg (electron density)	25.87 Å
Total Rg	26.64 Å
Atom count	6540
Residues	867
Excluded volume	116410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2akz__assembly_1__model_1`	dimeric （2）	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 (6)

Entity 1 Entity 1 polymer

Description description	Gamma enolase
Molecular weight formula_weight	48018.1 kDa
EC 编号 ec_number	4.2.1.11
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7546

SIEKIWAREILDSRGNPTVEVDLYTAKGLFRAAVPSGASTGIYEALELRDGDKQRYLGKGVLKAVDHINSTIAPALISSGLSVVEQEKLDNLMLELDGTENKSKFGANAILGVSLAVCKAGAAERELPLYRHIAQLAGNSDLILPVPAFNVINGGSHAGNKLAMQEFMILPVGAESFRDAMRLGAEVYHTLKGVIKDKYGKDATNVGDEGGFAPNILENSEALELVKEAIDKAGYTEKIVIGMDVAASEFYRDGKYDLDFKSPTDPSRYITGDQLGALYQDFVRDYPVVSIEDPFDQDDWAAWSKFTANVGIQIVGDDLTVTNPKRIERAVEEKACNCLLLKVNQIGSVTEAIQACKLAQENGWGVMVSHRSGETEDTFIADLVVGLCTGQIKTGAPCRSERLAKYNQLMRIEEELGDEARFAGHNFRNPSVLHHHHHH

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	FLUORIDE ION
Molecular weight formula_weight	19.0 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	967

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d2akza1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
Family Family family	c.1.11.1 — Enolase

Domain ID domain_id	d2akza2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.54 — Enolase N-terminal domain-like
Superfamily Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
Family Family family	d.54.1.1 — Enolase N-terminal domain-like

Domain ID domain_id	d2akza3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2akzb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
Family Family family	c.1.11.1 — Enolase

Domain ID domain_id	d2akzb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.54 — Enolase N-terminal domain-like
Superfamily Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
Family Family family	d.54.1.1 — Enolase N-terminal domain-like

CATH v4.4 (4 domains)

Domain ID domain_id	2akzA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

Domain ID domain_id	2akzA02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	120 — Enolase-like C-terminal domain

Domain ID domain_id	2akzB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

Domain ID domain_id	2akzB02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	120 — Enolase-like C-terminal domain

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Unit-cell length a length_a	109.007 Å
Unit-cell length b length_b	118.515 Å
Unit-cell length c length_c	67.189 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.360 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	0.1118
R_work r_work	0.1099
R_free r_free	0.1443

Fluoride Inhibition of Enolase: Crystal Structure of the Inhibitory Complex

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

Gamma enolase

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

2akz__assembly_1__model_1

2akz__assembly_1__model_1 | I(q)

2akz__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (5 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Fluoride Inhibition of Enolase: Crystal Structure of the Inhibitory Complex

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

Gamma enolase

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

2akz__assembly_1__model_1

2akz__assembly_1__model_1 | I(q)

2akz__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (5 domains)

CATH v4.4 (4 domains)

7. Citations (1)