SAXSdb — 1v6h

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

Divalent Cation Tolerance Protein CutA1

Thermus thermophilus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	SULFATE ION × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CUTA_THET8
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–103； UniProt 1–103 Author chain B； PDBConstruct 1–103； UniProt 1–103 Author chain C； PDBConstruct 1–103； UniProt 1–103

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	1v6h
Deposition date deposition_date	2003-11-29
Structure title title	The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8
Keywords keywords	CutA, Copper Tolerance, Trimer, STRUCTURAL GENOMICS, RIKEN Structural Genomics/Proteomics Initiative, RSGI, UNKNOWN FUNCTION; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

1v6h__assembly_1__model_1

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

Download this curve (.dat)

1v6h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1v6h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.07 Å
Rg (electron density)	18.51 Å
Total Rg	19.40 Å
Atom count	2462
Residues	309
Excluded volume	44475 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1v6h__assembly_1__model_1`	trimeric （3）	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	Divalent Cation Tolerance Protein CutA1
Molecular weight formula_weight	11635.4 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	2853

MEEVVLITVPSEEVARTIAKALVEERLAACVNIVPGLTSIYRWQGEVVEDQELLLLVKTTTHAFPKLKERVKALHPYTVPEIVALPIAEGNREYLDWLRENTG

Source Source

Source organism organism	Thermus thermophilus
NCBI taxonomy ID ncbi_taxonomy_id	274
Host organism host_organism	Escherichia coli BL21(DE3)

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	386

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1v6ha_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.5 — GlnB-like
Family Family family	d.58.5.2 — Divalent ion tolerance proteins CutA (CutA1)

Domain ID domain_id	d1v6hb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.5 — GlnB-like
Family Family family	d.58.5.2 — Divalent ion tolerance proteins CutA (CutA1)

Domain ID domain_id	d1v6hc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.5 — GlnB-like
Family Family family	d.58.5.2 — Divalent ion tolerance proteins CutA (CutA1)

CATH v4.4 (3 domains)

Domain ID domain_id	1v6hA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	120 —

Domain ID domain_id	1v6hB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	120 —

Domain ID domain_id	1v6hC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	120 —

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Unit-cell length a length_a	71.753 Å
Unit-cell length b length_b	71.753 Å
Unit-cell length c length_c	100.399 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	18

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	29.200 Å
R factor r_factor	—
R_work r_work	0.1880
R_free r_free	0.2340

The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8

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

Divalent Cation Tolerance Protein CutA1

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

1v6h__assembly_1__model_1

1v6h__assembly_1__model_1 | I(q)

1v6h__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 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)

The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8

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

Divalent Cation Tolerance Protein CutA1

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

1v6h__assembly_1__model_1

1v6h__assembly_1__model_1 | I(q)

1v6h__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 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)