3me3

Activator-Bound Structure of Human Pyruvate Kinase M2

Method: X-RAY DIFFRACTION

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

Pyruvate kinase isozymes M1/M2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	3-{[4-(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl)-1,4-diazepan-1-yl]sulfonyl}aniline × 2 1,6-di-O-phosphono-beta-D-fructofuranose × 4 SULFATE ION × 4 UNKNOWN ATOM OR ION × 42 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KPYM_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 20–550； UniProt 1–531 Author chain B； PDBConstruct 20–550； UniProt 1–531 Author chain C； PDBConstruct 20–550； UniProt 1–531 Author chain D； PDBConstruct 20–550； UniProt 1–531

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	3me3
Deposition date deposition_date	2010-03-31
Structure title title	Activator-Bound Structure of Human Pyruvate Kinase M2
Keywords keywords	activator, Structural Genomics Consortium, SGC, TRANSFERASE; TRANSFERASE
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.

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3me3__assembly_1__model_1`	tetrameric （4）	Excluded	—	—
	Exclusion reason： The source record does not identify the atom or ion element unambiguously, so a reliable calculation is not possible.

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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 isozymes M1/M2
Molecular weight formula_weight	60050.1 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	A,B,C,D
Atom count atom_count	16045

MGSSHHHHHHSSGLVPRGSMSKPHSEAGTAFIQTQQLHAAMADTFLEHMCRLDIDSPPITARNTGIICTIGPASRSVETLKEMIKSGMNVARLNFSHGTHEYHAETIKNVRTATESFASDPILYRPVAVALDTKGPEIRTGLIKGSGTAEVELKKGATLKITLDNAYMEKCDENILWLDYKNICKVVEVGSKIYVDDGLISLQVKQKGADFLVTEVENGGSLGSKKGVNLPGAAVDLPAVSEKDIQDLKFGVEQDVDMVFASFIRKASDVHEVRKVLGEKGKNIKIISKIENHEGVRRFDEILEASDGIMVARGDLGIEIPAEKVFLAQKMMIGRCNRAGKPVICATQMLESMIKKPRPTRAEGSDVANAVLDGADCIMLSGETAKGDYPLEAVRMQHLIAREAEAAIYHLQLFEELRRLAPITSDPTEATAVGAVEASFKCCSGAIIVLTKSGRSAHQVARYRPRAPIIAVTRNPQTARQAHLYRGIFPVLCKDPVQEAWAEDVDLRVNFAMNVGKARGFFKKGDVVIVLTGWRPGSGFTNTMRVVPVP

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	3-{[4-(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl)-1,4-diazepan-1-yl]sulfonyl}aniline
Molecular weight formula_weight	453.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	1,6-di-O-phosphono-beta-D-fructofuranose
Molecular weight formula_weight	340.1 kDa
Source method src_method	man
Copy count entity_count	4

Entity 4 Entity 4 non-polymer

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

Entity 5 Entity 5 non-polymer

Description description	UNKNOWN ATOM OR ION
Source method src_method	syn
Copy count entity_count	42

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	675

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6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id	3me3A01
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	3me3A02
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	3me3A03
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	3me3B01
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	3me3B02
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	3me3B03
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	3me3C01
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	3me3C02
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	3me3C03
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	3me3D01
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	3me3D02
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	3me3D03
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	80.882 Å
Unit-cell length b length_b	152.564 Å
Unit-cell length c length_c	93.036 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.17 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	26.714 Å
R factor r_factor	0.2190
R_work r_work	0.2190
R_free r_free	0.2620

Activator-Bound Structure of Human Pyruvate Kinase M2

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

Pyruvate kinase isozymes M1/M2

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

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) 12 domains

CATH v4.4 (12 domains)

7. Citations (1)

Activator-Bound Structure of Human Pyruvate Kinase M2

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

Pyruvate kinase isozymes M1/M2

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

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) 12 domains

CATH v4.4 (12 domains)

7. Citations (1)