3tag

5-fluorocytosine paired with dAMP in RB69 gp43

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed DNA polymerase

Escherichia phage RB69

UniProt Q38087

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(*CP*CP*(C37)P*GP*GP*TP*AP*TP*GP*AP*CP*AP*GP*CP*CP*GP*CP*G)-3') ; × 1 ;DNA (5'-D(*GP*CP*GP*GP*CP*TP*GP*TP*CP*AP*TP*AP*CP*CP*A)-3') ; × 1 SULFATE ION × 1 water × 3 Consistent with all polymers
2 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*CP*CP*(C37)P*GP*GP*TP*AP*TP*GP*AP*CP*AP*GP*CP*CP*GP*CP*G)-3') ; × 1 ;DNA (5'-D(*GP*CP*GP*GP*CP*TP*GP*TP*CP*AP*TP*AP*CP*CP*A)-3') ; × 1 water × 3 Consistent with all polymers
3 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*CP*CP*(C37)P*GP*GP*TP*AP*TP*GP*AP*CP*AP*GP*CP*CP*GP*CP*G)-3') ; × 1 ;DNA (5'-D(*GP*CP*GP*GP*CP*TP*GP*TP*CP*AP*TP*AP*CP*CP*A)-3') ; × 1 water × 3 Consistent with all polymers
4 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*CP*CP*(C37)P*GP*GP*TP*AP*TP*GP*AP*CP*AP*GP*CP*CP*GP*CP*G)-3') ; × 1 ;DNA (5'-D(*GP*CP*GP*GP*CP*TP*GP*TP*CP*AP*TP*AP*CP*CP*A)-3') ; × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DPOL_BPR69
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–903; UniProt 1–903 Author chain B; PDBConstruct 1–903; UniProt 1–903 Author chain C; PDBConstruct 1–903; UniProt 1–903 Author chain D; PDBConstruct 1–903; UniProt 1–903

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_id3tag
Deposition date deposition_date2011-08-04
Structure title title5-fluorocytosine paired with dAMP in RB69 gp43
Keywords keywordsTransferase-DNA complex; Transferase/DNA
Experimental Method methodX-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.

3tag__assembly_1__model_1

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

Download this curve (.dat)

3tag__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3tag__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)33.06 Å
Rg (electron density)32.03 Å
Total Rg32.69 Å
Atom count8061
Residues938
Excluded volume141640 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3tag__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3tag__assembly_2__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 3tag__assembly_3__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 3tag__assembly_4__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 (5)

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6. Fold Classification (SCOP + CATH) 33 domains

SCOP 2.08 (9 domains)

Domain ID domain_idd3taga1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
Domain ID domain_idd3taga2
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.1 — DNA polymerase I
Domain ID domain_idd3taga3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3tagb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
Domain ID domain_idd3tagb2
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.1 — DNA polymerase I
Domain ID domain_idd3tagc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
Domain ID domain_idd3tagc2
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.1 — DNA polymerase I
Domain ID domain_idd3tagd1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
Domain ID domain_idd3tagd2
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.1 — DNA polymerase I

CATH v4.4 (24 domains)

Domain ID domain_id3tagA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology342 — DNA Polymerase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — DNA Polymerase, chain B, domain 1
Domain ID domain_id3tagA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id3tagA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1600 — Palm domain of DNA polymerase
Homologous superfamily homologous superfamily10 — B family DNA polymerase, palm domain
Domain ID domain_id3tagA04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily690 — B family DNA polymerase, finger domain
Domain ID domain_id3tagA05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily300 —
Domain ID domain_id3tagA06
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1820 — Ribonuclease H-like motif
Homologous superfamily homologous superfamily10 — DnaQ-like 3'-5' exonuclease
Domain ID domain_id3tagB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology342 — DNA Polymerase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — DNA Polymerase, chain B, domain 1
Domain ID domain_id3tagB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id3tagB03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1600 — Palm domain of DNA polymerase
Homologous superfamily homologous superfamily10 — B family DNA polymerase, palm domain
Domain ID domain_id3tagB04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily690 — B family DNA polymerase, finger domain
Domain ID domain_id3tagB05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily300 —
Domain ID domain_id3tagB06
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1820 — Ribonuclease H-like motif
Homologous superfamily homologous superfamily10 — DnaQ-like 3'-5' exonuclease
Domain ID domain_id3tagC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology342 — DNA Polymerase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — DNA Polymerase, chain B, domain 1
Domain ID domain_id3tagC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id3tagC03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1600 — Palm domain of DNA polymerase
Homologous superfamily homologous superfamily10 — B family DNA polymerase, palm domain
Domain ID domain_id3tagC04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily690 — B family DNA polymerase, finger domain
Domain ID domain_id3tagC05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily300 —
Domain ID domain_id3tagC06
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1820 — Ribonuclease H-like motif
Homologous superfamily homologous superfamily10 — DnaQ-like 3'-5' exonuclease
Domain ID domain_id3tagD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology342 — DNA Polymerase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — DNA Polymerase, chain B, domain 1
Domain ID domain_id3tagD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id3tagD03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1600 — Palm domain of DNA polymerase
Homologous superfamily homologous superfamily10 — B family DNA polymerase, palm domain
Domain ID domain_id3tagD04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily690 — B family DNA polymerase, finger domain
Domain ID domain_id3tagD05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily300 —
Domain ID domain_id3tagD06
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1820 — Ribonuclease H-like motif
Homologous superfamily homologous superfamily10 — DnaQ-like 3'-5' exonuclease
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7. Citations (1)