2pc9

Crystal Structure Of ATP-Dependent Phosphoenolpyruvate Carboxykinase From Thermus thermophilus HB8

Method: X-RAY DIFFRACTION

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

Phosphoenolpyruvate carboxykinase [ATP]

Thermus thermophilus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 PHOSPHATE ION × 3 ADENOSINE-5'-TRIPHOSPHATE × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 PHOSPHATE ION × 3 ADENOSINE-5'-TRIPHOSPHATE × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 PHOSPHATE ION × 6 ADENOSINE-5'-TRIPHOSPHATE × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 PHOSPHATE ION × 4 ADENOSINE-5'-TRIPHOSPHATE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PPCK_THET8
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–529； UniProt 1–529 Author chain B； PDBConstruct 1–529； UniProt 1–529 Author chain C； PDBConstruct 1–529； UniProt 1–529 Author chain D； PDBConstruct 1–529； UniProt 1–529

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	2pc9
Deposition date deposition_date	2007-03-29
Structure title title	Crystal Structure Of ATP-Dependent Phosphoenolpyruvate Carboxykinase From Thermus thermophilus HB8
Keywords keywords	;Phosphoenolpyruvate Carboxykinase, adenosine triphosphate, Thermus thermophilus HB8, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, 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.

2pc9__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2pc9__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2pc9__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	24.31 Å
Rg (electron density)	23.32 Å
Total Rg	24.17 Å
Atom count	4174
Residues	517
Excluded volume	73783 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2pc9__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2pc9__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2pc9__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2pc9__assembly_4__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	Phosphoenolpyruvate carboxykinase [ATP]
Molecular weight formula_weight	59387.2 kDa
EC 编号 ec_number	4.1.1.49
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	17321

MQRLEALGIHPKKRVFWNTVSPVLVEHTLLRGEGLLAHHGPLVVDTTPYTGRSPKDKFVVREPEVEGEIWWGEVNQPFAPEAFEALYQRVVQYLSERDLYVQDLYAGADRRYRLAVRVVTESPWHALFARNMFILPRRFGNDDEVEAFVPGFTVVHAPYFQAVPERDGTRSEVFVGISFQRRLVLIVGTKYAGEIKKSIFTVMNYLMPKRGVFPMHASANVGKEGDVAVFFGLSGTGKTTLSTDPERPLIGDDEHGWSEDGVFNFEGGCYAKVIRLSPEHEPLIYKASNQFEAILENVVVNPESRRVQWDDDSKTENTRSSYPIAHLENVVESGVAGHPRAIFFLSADAYGVLPPIARLSPEEAMYYFLSGYTARVAGTERGVTEPRATFSACFGAPFLPMHPGVYARMLGEKIRKHAPRVYLVNTGWTGGPYGVGYRFPLPVTRALLKAALSGALENVPYRRDPVFGFEVPLEAPGVPQELLNPRETWADKEAYDQQARKLARLFQENFQKYASGVAKEVAEAGPRTE

Source Source

Source organism organism	Thermus thermophilus
NCBI taxonomy ID ncbi_taxonomy_id	300852
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 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	16

Entity 4 Entity 4 non-polymer

Description description	ADENOSINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	507.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	763

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2pc9a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.91 — PEP carboxykinase-like
Superfamily Superfamily superfamily	c.91.1 — PEP carboxykinase-like
Family Family family	c.91.1.1 — PEP carboxykinase C-terminal domain

Domain ID domain_id	d2pc9a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.109 — PEP carboxykinase N-terminal domain
Superfamily Superfamily superfamily	c.109.1 — PEP carboxykinase N-terminal domain
Family Family family	c.109.1.1 — PEP carboxykinase N-terminal domain

Domain ID domain_id	d2pc9b1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.91 — PEP carboxykinase-like
Superfamily Superfamily superfamily	c.91.1 — PEP carboxykinase-like
Family Family family	c.91.1.1 — PEP carboxykinase C-terminal domain

Domain ID domain_id	d2pc9b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.109 — PEP carboxykinase N-terminal domain
Superfamily Superfamily superfamily	c.109.1 — PEP carboxykinase N-terminal domain
Family Family family	c.109.1.1 — PEP carboxykinase N-terminal domain

Domain ID domain_id	d2pc9c1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.91 — PEP carboxykinase-like
Superfamily Superfamily superfamily	c.91.1 — PEP carboxykinase-like
Family Family family	c.91.1.1 — PEP carboxykinase C-terminal domain

Domain ID domain_id	d2pc9c2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.109 — PEP carboxykinase N-terminal domain
Superfamily Superfamily superfamily	c.109.1 — PEP carboxykinase N-terminal domain
Family Family family	c.109.1.1 — PEP carboxykinase N-terminal domain

Domain ID domain_id	d2pc9d1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.91 — PEP carboxykinase-like
Superfamily Superfamily superfamily	c.91.1 — PEP carboxykinase-like
Family Family family	c.91.1.1 — PEP carboxykinase C-terminal domain

Domain ID domain_id	d2pc9d2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.109 — PEP carboxykinase N-terminal domain
Superfamily Superfamily superfamily	c.109.1 — PEP carboxykinase N-terminal domain
Family Family family	c.109.1.1 — PEP carboxykinase N-terminal domain

CATH v4.4 (12 domains)

Domain ID domain_id	2pc9A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	449 — Phosphoenolpyruvate Carboxykinase; domain 1
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 1

Domain ID domain_id	2pc9A02
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	8 — Phosphoenolpyruvate Carboxykinase; domain 2
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 2

Domain ID domain_id	2pc9A03
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2pc9B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	449 — Phosphoenolpyruvate Carboxykinase; domain 1
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 1

Domain ID domain_id	2pc9B02
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	8 — Phosphoenolpyruvate Carboxykinase; domain 2
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 2

Domain ID domain_id	2pc9B03
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2pc9C01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	449 — Phosphoenolpyruvate Carboxykinase; domain 1
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 1

Domain ID domain_id	2pc9C02
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	8 — Phosphoenolpyruvate Carboxykinase; domain 2
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 2

Domain ID domain_id	2pc9C03
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2pc9D01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	449 — Phosphoenolpyruvate Carboxykinase; domain 1
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 1

Domain ID domain_id	2pc9D02
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	8 — Phosphoenolpyruvate Carboxykinase; domain 2
Homologous superfamily homologous superfamily	10 — Phosphoenolpyruvate Carboxykinase, domain 2

Domain ID domain_id	2pc9D03
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	109.695 Å
Unit-cell length b length_b	128.553 Å
Unit-cell length c length_c	178.991 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	16

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	39.910 Å
R factor r_factor	0.2130
R_work r_work	0.2130
R_free r_free	0.2500

Crystal Structure Of ATP-Dependent Phosphoenolpyruvate Carboxykinase From Thermus thermophilus HB8

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

Phosphoenolpyruvate carboxykinase [ATP]

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

2pc9__assembly_3__model_1

2pc9__assembly_3__model_1 | I(q)

2pc9__assembly_3__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)

Crystal Structure Of ATP-Dependent Phosphoenolpyruvate Carboxykinase From Thermus thermophilus HB8

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

Phosphoenolpyruvate carboxykinase [ATP]

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

2pc9__assembly_3__model_1

2pc9__assembly_3__model_1 | I(q)

2pc9__assembly_3__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)