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4rnp

BACTERIOPHAGE T7 RNA POLYMERASE, HIGH SALT CRYSTAL FORM, LOW TEMPERATURE DATA, ALPHA-CARBONS ONLY

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

RNA POLYMERASE

Enterobacteria phage T7

UniProt P00573

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count
2 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count
3 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
4rnp 4rnp 4rnp

3 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1aro 1cez 1h38 1h38 1h38 1h38 1msw 1s0v 1s0v 1s0v 1s0v 1s76

40 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name RPOL_BPT7
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–883； UniProt 1–883 Author chain B； PDBConstruct 1–883； UniProt 1–883 Author chain C； PDBConstruct 1–883； UniProt 1–883

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_id4rnp
Deposition date deposition_date1997-09-11
Structure title titleBACTERIOPHAGE T7 RNA POLYMERASE, HIGH SALT CRYSTAL FORM, LOW TEMPERATURE DATA, ALPHA-CARBONS ONLY
Keywords keywordsNUCLEOTIDYLTRANSFERASE, RNA POLYMERASE, TRANSCRIPTION; NUCLEOTIDYLTRANSFERASE
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.

4rnp__assembly_1__model_1

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

Download this curve (.dat)

4rnp__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.

4rnp__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）28.63 Å
Rg (electron density)27.98 Å
Total Rg28.34 Å
Atom count0
Residues0
Excluded volume107620 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4rnp__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4rnp__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 4rnp__assembly_3__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 (1)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4rnpa_
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.8.1.3 — T7 RNA polymerase
Domain ID domain_idd4rnpb_
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.8.1.3 — T7 RNA polymerase
Domain ID domain_idd4rnpc_
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.8.1.3 — T7 RNA polymerase
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7. Citations (5)