SAXSdb — 2zp2

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

Kinase A inhibitor

Bacillus subtilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KIPI_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–141； UniProt 100–240 Author chain B； PDBConstruct 1–141； UniProt 100–240

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	2zp2
Deposition date deposition_date	2008-06-24
Structure title title	C-terminal domain of KipI from Bacillus subtilis
Keywords keywords	kipI, histidine kinase inhibitor, ATP-binding, Nucleotide-binding, Protein kinase inhibitor, Sporulation, TRANSFERASE INHIBITOR; 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.

2zp2__assembly_1__model_1

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

Download this curve (.dat)

2zp2__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2zp2__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	14.02 Å
Rg (electron density)	12.69 Å
Total Rg	14.08 Å
Atom count	816
Residues	121
Excluded volume	14688 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2zp2__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2zp2__assembly_2__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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	2zp2A00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2zp2B00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

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Unit-cell length a length_a	44.909 Å
Unit-cell length b length_b	84.417 Å
Unit-cell length c length_c	84.409 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	3.010 Å
Low-resolution limit resolution_low	16.880 Å
R factor r_factor	0.2675
R_work r_work	0.2635
R_free r_free	0.3438

Description description	Kinase A inhibitor
Molecular weight formula_weight	15341.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1635

C-terminal domain of KipI from Bacillus subtilis

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

Kinase A inhibitor

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

2zp2__assembly_1__model_1

2zp2__assembly_1__model_1 | I(q)

2zp2__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
Host organism host_organism	Escherichia coli

C-terminal domain of KipI from Bacillus subtilis

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

Kinase A inhibitor

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

2zp2__assembly_1__model_1

2zp2__assembly_1__model_1 | I(q)

2zp2__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)