SAXSdb — 2vsx

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

ATP-DEPENDENT RNA HELICASE EIF4A

SACCHAROMYCES CEREVISIAE

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150 × 2 （P39935） ADENOSINE MONOPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150 × 1 （P39935） ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150 × 1 （P39935） ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF4A_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–395； UniProt 1–395 Author chain B； PDBConstruct 1–395； UniProt 1–395

EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150

SACCHAROMYCES CEREVISIAE

UniProt P39935

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	ATP-DEPENDENT RNA HELICASE EIF4A × 2 （P10081） ADENOSINE MONOPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	ATP-DEPENDENT RNA HELICASE EIF4A × 1 （P10081） ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	ATP-DEPENDENT RNA HELICASE EIF4A × 1 （P10081） ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF4F1_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 2–284； UniProt 572–854 Author chain F； PDBConstruct 2–284； UniProt 572–854

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	2vsx
Deposition date deposition_date	2008-04-30
Structure title title	Crystal Structure of a Translation Initiation Complex
Keywords keywords	;ACETYLATION, ATP-BINDING, PHOSPHOPROTEIN, PROTEIN BIOSYNTHESIS, TRANSLATION REGULATION, TRANSLATION INITIATION, TRANSLATION/HYDROLASE, INITIATION FACTOR, NUCLEOTIDE-BINDING, HELICASE, HYDROLASE, CYTOPLASM, RNA-BINDING, TRANSLATION-HYDROLASE complex ;; TRANSLATION/HYDROLASE
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.

2vsx__assembly_1__model_1

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

Download this curve (.dat)

2vsx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2vsx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	38.08 Å
Rg (electron density)	37.60 Å
Total Rg	37.93 Å
Atom count	9623
Residues	1209
Excluded volume	172560 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2vsx__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2vsx__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2vsx__assembly_3__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	ATP-DEPENDENT RNA HELICASE EIF4A
Molecular weight formula_weight	44746.0 kDa
EC 编号 ec_number	3.6.1.-
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	9623

MSEGITDIEESQIQTNYDKVVYKFDDMELDENLLRGVFGYGFEEPSAIQQRAIMPIIEGHDVLAQAQSGTGKTGTFSIAALQRIDTSVKAPQALMLAPTRELALQIQKVVMALAFHMDIKVHACIGGTSFVEDAEGLRDAQIVVGTPGRVFDNIQRRRFRTDKIKMFILDEADEMLSSGFKEQIYQIFTLLPPTTQVVLLSATMPNDVLEVTTKFMRNPVRILVKKDELTLEGIKQFYVNVEEEEYKYECLTDLYDSISVTQAVIFCNTRRKVEELTTKLRNDKFTVSAIYSDLPQQERDTIMKEFRSGSSRILISTDLLARGIDVQQVSLVINYDLPANKENYIHRIGRGGRFGRKGVAINFVTNEDVGAMRELEKFYSTQIEELPSDIATLLN

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150
Molecular weight formula_weight	32360.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,F

MLVPSANRWVPKFKSKKTEKKLAPDGKTELLDKDEVERKMKSLLNKLTLEMFDAISSEILAIANISVWETNGETLKAVIEQIFLKACDEPHWSSMYAQLCGKVVKELNPDITDETNEGKTGPKLVLHYLVARCHAEFDKGWTDKLPTNEDGTPLEPEMMSEEYYAAASAKRRGLGLVRFIGFLYRLNLLTGKMMFECFRRLMKDLTDSPSEETLESVVELLNTVGEQFETDSFRTGQATLEGSQLLDSLFGILDNIIQTAKISSRIKFKLIDIKELRHDKNWNS

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 3 Entity 3 non-polymer

Description description	ADENOSINE MONOPHOSPHATE
Molecular weight formula_weight	347.2 kDa
Source method src_method	syn
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2vsxa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.0 — automated matches

Domain ID domain_id	d2vsxa2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.0 — automated matches

Domain ID domain_id	d2vsxb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.0 — automated matches

Domain ID domain_id	d2vsxb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.0 — automated matches

CATH v4.4 (6 domains)

Domain ID domain_id	2vsxA01
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	2vsxA02
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	2vsxB01
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	2vsxB02
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	2vsxE01
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	180 —

Domain ID domain_id	2vsxF01
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	180 —

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Unit-cell length a length_a	68.920 Å
Unit-cell length b length_b	111.360 Å
Unit-cell length c length_c	111.280 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	99.71 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	33.210 Å
R factor r_factor	0.2535
R_work r_work	0.2520
R_free r_free	0.2869

Crystal Structure of a Translation Initiation Complex

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

ATP-DEPENDENT RNA HELICASE EIF4A

State in the Current Structure

Other States of the Same Protein in the Database

EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150

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

2vsx__assembly_1__model_1

2vsx__assembly_1__model_1 | I(q)

2vsx__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Crystal Structure of a Translation Initiation Complex

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

ATP-DEPENDENT RNA HELICASE EIF4A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

EUKARYOTIC INITIATION FACTOR 4F SUBUNIT P150

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

2vsx__assembly_1__model_1

2vsx__assembly_1__model_1 | I(q)

2vsx__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)