SAXSdb — 2hpr

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

HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR

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	SULFATE ION × 1 water × 1	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PTHP_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–87； UniProt 1–87

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	2hpr
Deposition date deposition_date	1992-09-09
Structure title title	HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR MUTANT WITH MET 51 REPLACED BY VAL AND SER 83 REPLACED BY CYS (M51V, S83C)
Keywords keywords	PHOSPHOTRANSFERASE; PHOSPHOTRANSFERASE
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.

2hpr__assembly_1__model_1

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

Download this curve (.dat)

2hpr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2hpr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	13.32 Å
Rg (electron density)	11.62 Å
Total Rg	13.00 Å
Atom count	631
Residues	86
Excluded volume	11166 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2hpr__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2hpr__assembly_2__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	HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR
Molecular weight formula_weight	9067.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	730

AQKTFKVTADSGIHARPATVLVQTASKYDADVNLEYNGKTVNLKSIMGVVSLGIAKGAEITISASGADENDALNALEETMKCEGLGE

Source Source

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423

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	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	99

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2hpra_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.94 — HPr-like
Superfamily Superfamily superfamily	d.94.1 — HPr-like
Family Family family	d.94.1.1 — HPr-like

CATH v4.4 (1 domains)

Domain ID domain_id	2hprA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1340 — Histidine-containing Protein; Chain: A;
Homologous superfamily homologous superfamily	10 — HPr-like

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Unit-cell length a length_a	47.260 Å
Unit-cell length b length_b	47.260 Å
Unit-cell length c length_c	61.850 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	6

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	0.1450
R_work r_work	—
R_free r_free	—

HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR MUTANT WITH MET 51 REPLACED BY VAL AND SER 83 REPLACED BY CYS (M51V, S83C)

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

HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR

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

2hpr__assembly_1__model_1

2hpr__assembly_1__model_1 | I(q)

2hpr__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)

HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR MUTANT WITH MET 51 REPLACED BY VAL AND SER 83 REPLACED BY CYS (M51V, S83C)

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

HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR

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

2hpr__assembly_1__model_1

2hpr__assembly_1__model_1 | I(q)

2hpr__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)