SAXSdb — 2hro

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

Phosphoenolpyruvate-protein phosphotransferase

Staphylococcus carnosus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	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	PT1_STACA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–573； UniProt 1–574

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	2hro
Deposition date deposition_date	2006-07-20
Structure title title	Structure of the full-lenght Enzyme I of the PTS system from Staphylococcus carnosus
Keywords keywords	PTS, protein Phosphorylation, Sugar transport, Histidine phosphorylation, 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.

2hro__assembly_1__model_1

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

Download this curve (.dat)

2hro__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2hro__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	46.19 Å
Rg (electron density)	46.84 Å
Total Rg	46.41 Å
Atom count	8150
Residues	1102
Excluded volume	143740 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2hro__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	Phosphoenolpyruvate-protein phosphotransferase
Molecular weight formula_weight	63361.6 kDa
EC 编号 ec_number	2.7.3.9
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	4247

MAKQIKGIAASDGVAIAKAYLLVEPDLSFDNESVTDTDAEVAKFNGALNKSKVELTKIRNNAEKQLGADKAAIFDAHLLVLEDPELIQPIEDKIKNESVNAAQALTDVSNQFITIFESMDNEYMAERAADIRDVSKRVLAHILGVELPNPSIVDESVVIIGNDLTPSDTAQLNKEYVQGFVTNIGGRTSHSAIMSRSLEIPAVVGTKSITEEVEAGDTIVVDGMTGDVLINPSDEVIAEYQEKRENFFKDKQELQKLRDAESVTADGHHVELAANIGTPNDLPGVIENGAEGIGLYRTEFLYMGRDQMPTEEEQFEAYKAVLEAMKGKRVVVRTLDIGGDKELPYLDLPEEMNPFLGYRAIRLCLDQPEIFRPQLRALLRASVFGKLNIMFPMVATIQEFRDAKALLEEERANLKNEGYEVADDIELGIMVEIPSTAALADIFAKEVDFFSIGTNDLIQYTMAADRMSERVSYLYQPYNPAILRLVKQVIEASHAEGKWTGMCGEMAGDQTAIPLLLGLGLDEFSMSATSILKARRLIRSLNESEMKELSERAVQCATSEEVVDLVEEYTKNA

Source Source

Source organism organism	Staphylococcus carnosus
NCBI taxonomy ID ncbi_taxonomy_id	1281
Host organism host_organism	Escherichia coli

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	172

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	2hroA01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	30 — Glucose Oxidase; domain 1
Homologous superfamily homologous superfamily	10 — Phosphohistidine domain

Domain ID domain_id	2hroA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	274 — Enzyme I; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — PtsI, HPr-binding domain

Domain ID domain_id	2hroA03
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

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Unit-cell length a length_a	173.364 Å
Unit-cell length b length_b	46.852 Å
Unit-cell length c length_c	85.297 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	101.46 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	34.860 Å
R factor r_factor	0.2151
R_work r_work	0.2150
R_free r_free	0.2670

Structure of the full-lenght Enzyme I of the PTS system from Staphylococcus carnosus

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

Phosphoenolpyruvate-protein phosphotransferase

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

2hro__assembly_1__model_1

2hro__assembly_1__model_1 | I(q)

2hro__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) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

Structure of the full-lenght Enzyme I of the PTS system from Staphylococcus carnosus

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

Phosphoenolpyruvate-protein phosphotransferase

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

2hro__assembly_1__model_1

2hro__assembly_1__model_1 | I(q)

2hro__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) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)