SAXSdb — 2vsf

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

DNA REPAIR HELICASE RAD3 RELATED PROTEIN

THERMOPLASMA ACIDOPHILUM

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	IRON/SULFUR CLUSTER × 1 CALCIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9HM14_THEAC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–602； UniProt 1–602

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	2vsf
Deposition date deposition_date	2008-04-23
Structure title title	Structure of XPD from Thermoplasma acidophilum
Keywords keywords	NER, TFIIH, HELICASE, HYDROLASE, ATP-BINDING, NUCLEOTIDE-BINDING, IRON SULFUR CLUSTER; 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.

2vsf__assembly_1__model_1

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

Download this curve (.dat)

2vsf__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2vsf__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.59 Å
Rg (electron density)	26.48 Å
Total Rg	27.35 Å
Atom count	4760
Residues	588
Excluded volume	85060 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2vsf__assembly_1__model_1`	monomeric （1）	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	DNA REPAIR HELICASE RAD3 RELATED PROTEIN
Molecular weight formula_weight	69260.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4761

MQKSYGVALESPTGSGKTIMALKSALQYSSERKLKVLYLVRTNSQEEQVIKELRSLSSTMKIRAIPMQGRVNMCILYRMVDDLHEINAESLAKFCNMKKREVMAGNEAACPYFNFKIRSDETKRFLFDELPTAEEFYDYGERNNVCPYESMKAALPDADIVIAPYAYFLNRSVAEKFLSHWGVSRNQIVIILDEAHNLPDIGRSIGSFRISVESLNRADREAQAYGDPELSQKIHVSDLIEMIRSALQSMVSERCGKGDVRIRFQEFMEYMRIMNKRSEREIRSLLNYLYLFGEYVENEKEKVGKVPFSYCSSVASRIIAFSDQDEEKYAAILSPEDGGYMQAACLDPSGILEVLKESKTIHMSGTLDPFDFYSDITGFEIPFKKIGEIFPPENRYIAYYDGVSSKYDTLDEKELDRMATVIEDIILKVKKNTIVYFPSYSLMDRVENRVSFEHMKEYRGIDQKELYSMLKKFRRDHGTIFAVSGGRLSEGINFPGNELEMIILAGLPFPRPDAINRSLFDYYERKYGKGWEYSVVYPTAIKIRQEIGRLIRSAEDTGACVILDKRAGQFRKFIPDMKKTSDPASDIYNFFISAQAREKYGA

Source Source

Source organism organism	THERMOPLASMA ACIDOPHILUM
NCBI taxonomy ID ncbi_taxonomy_id	2303
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	2vsfA01
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	2vsfA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	30 — DNA Binding (I), subunit A
Homologous superfamily homologous superfamily	20 — Bacterial XPD DNA helicase, FeS cluster domain

Domain ID domain_id	2vsfA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	40 —

Domain ID domain_id	2vsfA04
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

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Unit-cell length a length_a	78.890 Å
Unit-cell length b length_b	78.890 Å
Unit-cell length c length_c	174.040 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	6

Space group space_group	P 65
Space-group number int_tables_number	170
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2090
R_work r_work	0.2060
R_free r_free	0.2870

Structure of XPD from Thermoplasma acidophilum

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

DNA REPAIR HELICASE RAD3 RELATED PROTEIN

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

2vsf__assembly_1__model_1

2vsf__assembly_1__model_1 | I(q)

2vsf__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

CATH v4.4 (4 domains)

7. Citations (1)

Structure of XPD from Thermoplasma acidophilum

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

DNA REPAIR HELICASE RAD3 RELATED PROTEIN

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

2vsf__assembly_1__model_1

2vsf__assembly_1__model_1 | I(q)

2vsf__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

CATH v4.4 (4 domains)

7. Citations (1)