SAXSdb — 4pc7

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

Elongation factor Tu 1

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Elongation factor Ts × 1 （P0A6P1） PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ;(1S,2S,3E,5E,7E,10S,11S,12S)-12-[(2R,4E,6E,8Z,10R,12E,14E,16Z,18S,19Z)-10,18-DIHYDROXY-12,16,19-TRIMETHYL-11,22-DIOXOOX ACYCLODOCOSA-4,6,8,12,14,16,19-HEPTAEN-2-YL]-2,11-DIHYDROXY-1,10-DIMETHYL-9-OXOTRIDECA-3,5,7-TRIEN-1-YL 6-DEOXY-2,4-DI-O-METHYL-BETA-L-GALACTOPYRANOSIDE ; × 1 MAGNESIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EFTU1_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–394； UniProt 1–394

Elongation factor Ts

Escherichia coli

UniProt P0A6P1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Elongation factor Tu 1 × 1 （P0CE47） PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ;(1S,2S,3E,5E,7E,10S,11S,12S)-12-[(2R,4E,6E,8Z,10R,12E,14E,16Z,18S,19Z)-10,18-DIHYDROXY-12,16,19-TRIMETHYL-11,22-DIOXOOX ACYCLODOCOSA-4,6,8,12,14,16,19-HEPTAEN-2-YL]-2,11-DIHYDROXY-1,10-DIMETHYL-9-OXOTRIDECA-3,5,7-TRIEN-1-YL 6-DEOXY-2,4-DI-O-METHYL-BETA-L-GALACTOPYRANOSIDE ; × 1 MAGNESIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EFTS_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–282； UniProt 2–283

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	4pc7
Deposition date deposition_date	2014-04-14
Structure title title	Elongation factor Tu:Ts complex in a near GTP conformation.
Keywords keywords	G:GEF:Nucleotide complex, Elongation factor, Translation, Protein synthesis; TRANSLATION
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.

4pc7__assembly_1__model_1

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

Download this curve (.dat)

4pc7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4pc7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.01 Å
Rg (electron density)	28.36 Å
Total Rg	29.11 Å
Atom count	4887
Residues	628
Excluded volume	87479 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4pc7__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 (6)

Entity 1 Entity 1 polymer

Description description	Elongation factor Tu 1
Molecular weight formula_weight	43340.5 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	4888

MSKEKFERTKPHVNVGTIGHVDHGKTTLTAAITTVLAKTYGGAARAFDQIDNAPEEKARGITINTSHVEYDTPTRHYAHVDCPGHADYVKNMITGAAQMDGAILVVAATDGPMPQTREHILLGRQVGVPYIIVFLNKCDMVDDEELLELVEMEVRELLSQYDFPGDDTPIVRGSALKALEGDAEWEAKILELAGFLDSYIPEPERAIDKPFLLPIEDVFSISGRGTVVTGRVERGIIKVGEEVEIVGIKETQKSTCTGVEMFRKLLDEGRAGENVGVLLRGIKREEIERGQVLAKPGTIKPHTKFESEVYILSKDEGGRHTPFFKGYRPQFYFRTTDVTGTIELPEGVEMVMPGDNIKMVVTLIHPIAMDDGLRFAIREGGRTVGAGVVAKVLG

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Elongation factor Ts
Molecular weight formula_weight	30332.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

AEITASLVKELRERTGAGMMDCKKALTEANGDIELAIENMRKSGAIKAAKKAGNVAADGVIKTKIDGNYGIILEVNCQTDFVAKDAGFQAFADKVLDAAVAGKITDVEVLKAQFEEERVALVAKIGENINIRRVAALEGDVLGSYQHGARIGVLVAAKGADEELVKHIAMHVAASKPEFIKPEDVSAEVVEKEYQVQLDIAMQSGKPKEIAEKMVEGRMKKFTGEVSLTGQPFVMEPSKTVGQLLKEHNAEVTGFIRFEVGEGIEKVETDFAAEVAAMSKQS

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER
Molecular weight formula_weight	522.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	;(1S,2S,3E,5E,7E,10S,11S,12S)-12-[(2R,4E,6E,8Z,10R,12E,14E,16Z,18S,19Z)-10,18-DIHYDROXY-12,16,19-TRIMETHYL-11,22-DIOXOOX ACYCLODOCOSA-4,6,8,12,14,16,19-HEPTAEN-2-YL]-2,11-DIHYDROXY-1,10-DIMETHYL-9-OXOTRIDECA-3,5,7-TRIEN-1-YL 6-DEOXY-2,4-DI-O-METHYL-BETA-L-GALACTOPYRANOSIDE ;
Molecular weight formula_weight	839.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id	4pc7A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	4pc7A02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	4pc7A03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	10 — Translation factors

Domain ID domain_id	4pc7C01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	10 — Ubiquitin-associated (UBA) domain

Domain ID domain_id	4pc7C02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	479 — Tetrahydropterin Synthase; Chain A
Homologous superfamily homologous superfamily	20 — Elongation factor Ts, dimerisation domain

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Unit-cell length a length_a	122.820 Å
Unit-cell length b length_b	122.820 Å
Unit-cell length c length_c	173.330 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 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	3.600 Å
Low-resolution limit resolution_low	29.500 Å
R factor r_factor	0.2567
R_work r_work	0.2554
R_free r_free	0.2831

Elongation factor Tu:Ts complex in a near GTP conformation.

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

Elongation factor Tu 1

State in the Current Structure

Other States of the Same Protein in the Database

Elongation factor Ts

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

4pc7__assembly_1__model_1

4pc7__assembly_1__model_1 | I(q)

4pc7__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

7. Citations (1)

Elongation factor Tu:Ts complex in a near GTP conformation.

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

Elongation factor Tu 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

Elongation factor Ts

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

4pc7__assembly_1__model_1

4pc7__assembly_1__model_1 | I(q)

4pc7__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

7. Citations (1)