SAXSdb — 2qzc

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

Transcriptional activator TenA-1

Sulfolobus solfataricus P2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	IMIDAZOLE × 2 GLYCEROL × 7 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	IMIDAZOLE × 4 GLYCEROL × 14 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q97WL0_SULSO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–214； UniProt 1–213 Author chain B； PDBConstruct 2–214； UniProt 1–213

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	2qzc
Deposition date deposition_date	2007-08-16
Structure title title	Crystal structure of a putative tena-like thiaminase (tena-1, sso2206) from sulfolobus solfataricus p2 at 1.50 A resolution
Keywords keywords	;Heme oxygenase-like fold, structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, lyase ;; LYASE
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.

2qzc__assembly_1__model_1

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

Download this curve (.dat)

2qzc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2qzc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.87 Å
Rg (electron density)	24.14 Å
Total Rg	24.93 Å
Atom count	3381
Residues	407
Excluded volume	61066 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2qzc__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2qzc__assembly_2__model_1`	tetrameric （4）	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 (4)

Entity 1 Entity 1 polymer

Description description	Transcriptional activator TenA-1
Molecular weight formula_weight	25059.1 kDa
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	3856

GMSIVGNVENLINGVGELWNKYVKHEFILKMRDGSLPLDIFRYYLIQDGKYVEDMLRALLIASSKGPIDKVTKILNLVFSSRDKGLETHGKLYSKLDISRDVIVKTGYNLINYAYTRHLYYYANLDWNKFLVAWTPCMFGYSIVGDYVIDSPNEVYKTWASFYASTEYKKRIEAILYALDEVSITEDLLNIFINSVRFEIGFWDASLRKDPTVY

Source Source

Source organism organism	Sulfolobus solfataricus P2
NCBI taxonomy ID ncbi_taxonomy_id	273057
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	IMIDAZOLE
Molecular weight formula_weight	69.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	312

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2qzca_
Class class	a — All alpha proteins
Fold Fold fold	a.132 — Heme oxygenase-like
Superfamily Superfamily superfamily	a.132.1 — Heme oxygenase-like
Family Family family	a.132.1.0 — automated matches

Domain ID domain_id	d2qzcb_
Class class	a — All alpha proteins
Fold Fold fold	a.132 — Heme oxygenase-like
Superfamily Superfamily superfamily	a.132.1 — Heme oxygenase-like
Family Family family	a.132.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	2qzcA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	910 — Heme Oxygenase; Chain A
Homologous superfamily homologous superfamily	10 — Heme oxygenase-like

Domain ID domain_id	2qzcB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	910 — Heme Oxygenase; Chain A
Homologous superfamily homologous superfamily	10 — Heme oxygenase-like

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Unit-cell length a length_a	88.862 Å
Unit-cell length b length_b	88.862 Å
Unit-cell length c length_c	135.760 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	16

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	38.152 Å
R factor r_factor	0.1660
R_work r_work	0.1650
R_free r_free	0.1840

Crystal structure of a putative tena-like thiaminase (tena-1, sso2206) from sulfolobus solfataricus p2 at 1.50 A resolution

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

Transcriptional activator TenA-1

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

2qzc__assembly_1__model_1

2qzc__assembly_1__model_1 | I(q)

2qzc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of a putative tena-like thiaminase (tena-1, sso2206) from sulfolobus solfataricus p2 at 1.50 A resolution

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

Transcriptional activator TenA-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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2qzc__assembly_1__model_1

2qzc__assembly_1__model_1 | I(q)

2qzc__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)