SAXSdb — 3m9n

▼

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

DNA polymerase IV

Sulfolobus solfataricus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Monomer	Protein 1 DNA 2	;DNA (5'-D(GPGPGPGPAPAPGPGPAPAPAPGPC)-3') ; × 1 ;DNA (5'-D(TPCPTPGPGPCPTPTPTPCPCPTPTPCPCPCPCP*C)-3') ; × 1 CALCIUM ION × 3 CYTIDINE-5'-TRIPHOSPHATE × 1 Cisplatin × 1 water × 3	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DPO42_SULSO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 1–352； UniProt 1–352

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3m9n
Deposition date deposition_date	2010-03-22
Structure title title	Crystal Structure of Dpo4 in complex with DNA containing the major cisplatin lesion
Keywords keywords	;Dpo4, translesion DNA synthesis, TLS, cisplatin, Y-family DNA polymerase, protein-DNA complex, DNA, DNA damage, DNA repair, DNA replication, DNA-binding, DNA-directed DNA polymerase, Magnesium, Metal-binding, Mutator protein, Nucleotidyltransferase, Transferase, Transferase-DNA complex ;; Transferase/DNA
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3m9n__assembly_1__model_1

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

Download this curve (.dat)

3m9n__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3m9n__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.26 Å
Rg (electron density)	22.70 Å
Total Rg	23.38 Å
Atom count	3318
Residues	369
Excluded volume	58169 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3m9n__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Description description	DNA polymerase IV
Molecular weight formula_weight	40257.9 kDa
EC 编号 ec_number	2.7.7.7
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	3661

MIVLFVDFDYFYAQVEEVLNPSLKGKPVVVCVFSGRFEDSGAVATANYEARKFGVKAGIPIVEAKKILPNAVYLPMRKEVYQQVSSRIMNLLREYSEKIEIASIDEAYLDISDKVRDYREAYNLGLEIKNKILEKEKITVTVGISKNKVFAKIAADMAKPNGIKVIDDEEVKRLIRELDIADVPGIGNITAEKLKKLGINKLVDTLSIEFDKLKGMIGEAKAKYLISLARDEYNEPIRTRVRKSIGRIVTMKRNSRNLEEIKPYLFRAIEESYYKLDKRIPKAIHVVAVTEDLDIVSRGRTFPHGISKETAYSESVKLLQKILEEDERKIRRIGVRFSKFIEAIGLDKFFDT

Source Source

Source organism organism	Sulfolobus solfataricus
NCBI taxonomy ID ncbi_taxonomy_id	2287
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	;DNA (5'-D(GPGPGPGPAPAPGPGPAPAPAPGP*C)-3') ;
Molecular weight formula_weight	4114.7 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	P

GGGGAAGGAAAGC

Entity 3 Entity 3 polymer

Description description	;DNA (5'-D(TPCPTPGPGPCPTPTPTPCPCPTPTPCPCPCPCPC)-3') ;
Molecular weight formula_weight	5345.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

TCTGGCTTTCCTTCCCCC

Entity 4 Entity 4 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 non-polymer

Description description	CYTIDINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	483.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	Cisplatin
Molecular weight formula_weight	300.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	292

▼

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	3m9nB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	3m9nB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1170 — MutS, DNA mismatch repair protein, domain I
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	3m9nB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	20 — 5' to 3' exonuclease, C-terminal subdomain

Domain ID domain_id	3m9nB04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily	100 — DNA polymerase, Y-family, little finger domain

▶

Unit-cell length a length_a	98.227 Å
Unit-cell length b length_b	103.233 Å
Unit-cell length c length_c	52.259 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	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.930 Å
Low-resolution limit resolution_low	27.600 Å
R factor r_factor	0.2450
R_work r_work	0.2430
R_free r_free	0.2610

Crystal Structure of Dpo4 in complex with DNA containing the major cisplatin lesion

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

DNA polymerase IV

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

3m9n__assembly_1__model_1

3m9n__assembly_1__model_1 | I(q)

3m9n__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Crystal Structure of Dpo4 in complex with DNA containing the major cisplatin lesion

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

DNA polymerase IV

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

3m9n__assembly_1__model_1

3m9n__assembly_1__model_1 | I(q)

3m9n__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)