3qv7

Crystal structure of Leishmania mexicana pyruvate kinase(LmPYK)in complex with ponceau S and acid blue 25.

Method: X-RAY DIFFRACTION

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

Pyruvate kinase

Leishmania mexicana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	SULFATE ION × 4 POTASSIUM ION × 8 3-hydroxy-4-[(E)-{2-sulfo-4-[(E)-(4-sulfophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonic acid × 5 9,10-dioxo-4-(phenylamino)-9,10-dihydroanthracene-2-sulfonic acid × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KPYK_LEIME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–499； UniProt 1–499 Author chain B； PDBConstruct 1–499； UniProt 1–499 Author chain C； PDBConstruct 1–499； UniProt 1–499 Author chain D； PDBConstruct 1–499； UniProt 1–499

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	3qv7
Deposition date deposition_date	2011-02-25
Structure title title	Crystal structure of Leishmania mexicana pyruvate kinase(LmPYK)in complex with ponceau S and acid blue 25.
Keywords keywords	PYRUVATE KINASE, GLYCOLYSIS, TIM Barrel, Sugar kinase, ADP/ATP binding, cytosol, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
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.

3qv7__assembly_1__model_1

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

Download this curve (.dat)

3qv7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3qv7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	41.38 Å
Rg (electron density)	40.83 Å
Total Rg	41.03 Å
Atom count	13842
Residues	1785
Excluded volume	245950 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3qv7__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 (6)

Entity 1 Entity 1 polymer

Description description	Pyruvate kinase
Molecular weight formula_weight	54467.9 kDa
EC 编号 ec_number	2.7.1.40
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,A,B,C
Atom count atom_count	14425

MSQLAHNLTLSIFDPVANYRAARIICTIGPSTQSVEALKGLIQSGMSVARMNFSHGSHEYHQTTINNVRQAAAELGVNIAIALDTKGPEIRTGQFVGGDAVMERGATCYVTTDPAFADKGTKDKFYIDYQNLSKVVRPGNYIYIDDGILILQVQSHEDEQTLECTVTNSHTISDRRGVNLPGCDVDLPAVSAKDRVDLQFGVEQGVDMIFASFIRSAEQVGDVRKALGPKGRDIMIICKIENHQGVQNIDSIIEESDGIMVARGDLGVEIPAEKVVVAQKILISKCNVAGKPVICATQMLESMTYNPRPTRAEVSDVANAVFNGADCVMLSGETAKGKYPNEVVQYMARICLEAQSALNEYVFFNSIKKLQHIPMSADEAVCSSAVNSVYETKAKAMVVLSNTGRSARLVAKYRPNCPIVCVTTRLQTCRQLNITQGVESVFFDADKLGHDEGKEHRVAAGVEFAKSKGYVQTGDYCVVIHADHKVKGYANQTRILLVE

Source Source

Source organism organism	Leishmania mexicana
NCBI taxonomy ID ncbi_taxonomy_id	5665
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 4 Entity 4 non-polymer

Description description	3-hydroxy-4-[(E)-{2-sulfo-4-[(E)-(4-sulfophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonic acid
Molecular weight formula_weight	672.6 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 5 Entity 5 non-polymer

Description description	9,10-dioxo-4-(phenylamino)-9,10-dihydroanthracene-2-sulfonic acid
Molecular weight formula_weight	379.4 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	505

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

Domain ID domain_id	d3qv7a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
Family Family family	c.1.12.1 — Pyruvate kinase

Domain ID domain_id	d3qv7a2
Class class	b — All beta proteins
Fold Fold fold	b.58 — PK beta-barrel domain-like
Superfamily Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
Family Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

Domain ID domain_id	d3qv7a3
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
Superfamily Superfamily superfamily	c.49.1 — PK C-terminal domain-like
Family Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	d3qv7b1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
Family Family family	c.1.12.1 — Pyruvate kinase

Domain ID domain_id	d3qv7b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
Superfamily Superfamily superfamily	c.49.1 — PK C-terminal domain-like
Family Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	d3qv7c1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
Family Family family	c.1.12.1 — Pyruvate kinase

Domain ID domain_id	d3qv7c2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
Superfamily Superfamily superfamily	c.49.1 — PK C-terminal domain-like
Family Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	d3qv7d1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
Family Family family	c.1.12.1 — Pyruvate kinase

Domain ID domain_id	d3qv7d2
Class class	b — All beta proteins
Fold Fold fold	b.58 — PK beta-barrel domain-like
Superfamily Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
Family Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

Domain ID domain_id	d3qv7d3
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
Superfamily Superfamily superfamily	c.49.1 — PK C-terminal domain-like
Family Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

CATH v4.4 (10 domains)

Domain ID domain_id	3qv7A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
Homologous superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	3qv7A02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

Domain ID domain_id	3qv7A03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	33 — M1 Pyruvate Kinase; Domain 3
Homologous superfamily homologous superfamily	10 — PK beta-barrel domain-like

Domain ID domain_id	3qv7B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
Homologous superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	3qv7B02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

Domain ID domain_id	3qv7C01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
Homologous superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	3qv7C02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

Domain ID domain_id	3qv7D01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
Homologous superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

Domain ID domain_id	3qv7D02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

Domain ID domain_id	3qv7D03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	33 — M1 Pyruvate Kinase; Domain 3
Homologous superfamily homologous superfamily	10 — PK beta-barrel domain-like

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Unit-cell length a length_a	182.109 Å
Unit-cell length b length_b	164.798 Å
Unit-cell length c length_c	123.348 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	115.80 °
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	2.700 Å
Low-resolution limit resolution_low	21.140 Å
R factor r_factor	0.2168
R_work r_work	0.2154
R_free r_free	0.2441

Crystal structure of Leishmania mexicana pyruvate kinase(LmPYK)in complex with ponceau S and acid blue 25.

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

Pyruvate kinase

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

3qv7__assembly_1__model_1

3qv7__assembly_1__model_1 | I(q)

3qv7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 20 domains

SCOP 2.08 (10 domains)

CATH v4.4 (10 domains)

7. Citations (1)

Crystal structure of Leishmania mexicana pyruvate kinase(LmPYK)in complex with ponceau S and acid blue 25.

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

Pyruvate kinase

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

3qv7__assembly_1__model_1

3qv7__assembly_1__model_1 | I(q)

3qv7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 20 domains

SCOP 2.08 (10 domains)

CATH v4.4 (10 domains)

7. Citations (1)