SAXSdb — 6k39

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

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HS71A_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–144； UniProt 395–537 Author chain B； PDBConstruct 2–144； UniProt 395–537

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

Homo sapiens

UniProt Q13155

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AIMP2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 145–152； UniProt 25–32 Author chain B； PDBConstruct 145–152； UniProt 25–32

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	6k39
Deposition date deposition_date	2019-05-16
Structure title title	Structural analysis of AIMP2-DX2 and HSP70 interaction
Keywords keywords	HSP70, AIMP2-DX2, substrate binding domain, CHAPERONE; CHAPERONE
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.

6k39__assembly_1__model_1

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

Download this curve (.dat)

6k39__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6k39__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.48 Å
Rg (electron density)	21.36 Å
Total Rg	22.20 Å
Atom count	4701
Residues	303
Excluded volume	41534 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6k39__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	6k39A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Substrate Binding Domain Of DNAk; Chain A, domain 1

Domain ID domain_id	6k39B01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Substrate Binding Domain Of DNAk; Chain A, domain 1

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Unit-cell length a length_a	56.111 Å
Unit-cell length b length_b	111.581 Å
Unit-cell length c length_c	45.571 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 2
Space-group number int_tables_number	18
Crystal system crystal_system	orthorhombic

Resolution resolution	1.398 Å
Low-resolution limit resolution_low	25.632 Å
R factor r_factor	0.1682
R_work r_work	0.1673
R_free r_free	0.1918

Description description	Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2
Molecular weight formula_weight	16737.8 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	5135

Structural analysis of AIMP2-DX2 and HSP70 interaction

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

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

State in the Current Structure

Other States of the Same Protein in the Database

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

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

6k39__assembly_1__model_1

6k39__assembly_1__model_1 | I(q)

6k39__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	434

Structural analysis of AIMP2-DX2 and HSP70 interaction

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

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Heat shock 70 kDa protein 1A,Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

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

6k39__assembly_1__model_1

6k39__assembly_1__model_1 | I(q)

6k39__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)