2bdq

Crystal Structure of the Putative Copper Homeostasis Protein CutC from Streptococcus agalactiae, Northeast Strucural Genomics Target SaR15.

Method: X-RAY DIFFRACTION

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

copper homeostasis protein CutC

Streptococcus agalactiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	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	Q8DYB9_STRA5
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–211； UniProt 1–211 Author chain B； PDBConstruct 1–211； UniProt 1–211

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	2bdq
Deposition date deposition_date	2005-10-20
Structure title title	Crystal Structure of the Putative Copper Homeostasis Protein CutC from Streptococcus agalactiae, Northeast Strucural Genomics Target SaR15.
Keywords keywords	;alpha beta protein, Structural Genomics, PSI, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, METAL TRANSPORT ;; METAL TRANSPORT
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.

2bdq__assembly_1__model_1

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

Download this curve (.dat)

2bdq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2bdq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.01 Å
Rg (electron density)	23.32 Å
Total Rg	24.06 Å
Atom count	3260
Residues	410
Excluded volume	58485 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2bdq__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	2bdqA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	380 — Copper homeostasis (CutC) domain

Domain ID domain_id	2bdqB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	380 — Copper homeostasis (CutC) domain

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Unit-cell length a length_a	48.458 Å
Unit-cell length b length_b	71.542 Å
Unit-cell length c length_c	128.187 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	29.250 Å
R factor r_factor	0.2210
R_work r_work	0.2210
R_free r_free	0.2710

Description description	copper homeostasis protein CutC
Molecular weight formula_weight	25220.9 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	3476

Crystal Structure of the Putative Copper Homeostasis Protein CutC from Streptococcus agalactiae, Northeast Strucural Genomics Target SaR15.

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

copper homeostasis protein CutC

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

2bdq__assembly_1__model_1

2bdq__assembly_1__model_1 | I(q)

2bdq__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	Streptococcus agalactiae
NCBI taxonomy ID ncbi_taxonomy_id	1311
Host organism host_organism	Escherichia coli BL21

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	216

Crystal Structure of the Putative Copper Homeostasis Protein CutC from Streptococcus agalactiae, Northeast Strucural Genomics Target SaR15.

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

copper homeostasis protein CutC

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

2bdq__assembly_1__model_1

2bdq__assembly_1__model_1 | I(q)

2bdq__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)