SAXSdb — 2i7n

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

Pantothenate kinase 1

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	ACETYL COENZYME *A × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PANK1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–360； UniProt 234–593 Author chain B； PDBConstruct 1–360； UniProt 234–593

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	2i7n
Deposition date deposition_date	2006-08-31
Structure title title	Crystal structure of human PANK1 alpha: the catalytic core domain in complex with AcCoA
Keywords keywords	PANK, 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.

2i7n__assembly_1__model_1

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

Download this curve (.dat)

2i7n__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2i7n__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.34 Å
Rg (electron density)	29.23 Å
Total Rg	29.59 Å
Atom count	5201
Residues	658
Excluded volume	93435 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2i7n__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 (3)

Entity 1 Entity 1 polymer

Description description	Pantothenate kinase 1
Molecular weight formula_weight	40176.2 kDa
EC 编号 ec_number	2.7.1.33
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	5453

PPFPWFGMDIGGTLVKLVYFEPKDITAEEEQEEVENLKSIRKYLTSNTAYGKTGIRDVHLELKNLTMCGRKGNLHFIRFPSCAMHRFIQMGSEKNFSSLHTTLCATGGGAFKFEEDFRMIADLQLHKLDELDCLIQGLLYVDSVGFNGKPECYYFENPTNPELCQKKPYCLDNPYPMLLVNMGSGVSILAVYSKDNYKRVTGTSLGGGTFLGLCCLLTGCETFEEALEMAAKGDSTNVDKLVKDIYGGDYERFGLQGSAVASSFGNMMSKEKRDSISKEDLARATLVTITNNIGSIARMCALNENIDRVVFVGNFLRINMVSMKLLAYAMDFWSKGQLKALFLEHEGYFGAVGALLELFK

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 BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	ACETYL COENZYME *A
Molecular weight formula_weight	809.6 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	252

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2i7na1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.14 — Fumble-like

Domain ID domain_id	d2i7na2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.14 — Fumble-like

Domain ID domain_id	d2i7nb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.14 — Fumble-like

Domain ID domain_id	d2i7nb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.14 — Fumble-like

CATH v4.4 (6 domains)

Domain ID domain_id	2i7nA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	510 —

Domain ID domain_id	2i7nA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	40 — ATPase, nucleotide binding domain

Domain ID domain_id	2i7nA03
Class class	6 — Special
Architecture architecture	10 — Helix non-globular
Topology topology	10 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	2i7nB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	510 —

Domain ID domain_id	2i7nB02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	40 — ATPase, nucleotide binding domain

Domain ID domain_id	2i7nB03
Class class	6 — Special
Architecture architecture	10 — Helix non-globular
Topology topology	10 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

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Unit-cell length a length_a	92.989 Å
Unit-cell length b length_b	92.989 Å
Unit-cell length c length_c	197.782 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 63
Space-group number int_tables_number	173
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	39.460 Å
R factor r_factor	0.2220
R_work r_work	0.2220
R_free r_free	0.2430

Crystal structure of human PANK1 alpha: the catalytic core domain in complex with AcCoA

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

Pantothenate kinase 1

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

2i7n__assembly_1__model_1

2i7n__assembly_1__model_1 | I(q)

2i7n__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 (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) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Crystal structure of human PANK1 alpha: the catalytic core domain in complex with AcCoA

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

Pantothenate kinase 1

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

2i7n__assembly_1__model_1

2i7n__assembly_1__model_1 | I(q)

2i7n__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 (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) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)