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3q1r

Crystal structure of a bacterial RNase P holoenzyme in complex with TRNA and in the presence of 5' leader

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

Ribonuclease P protein component

Thermotoga maritima

UniProt Q9X1H4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Monomer Protein 1 RNA 3 RNase P RNA × 1 TRNA (PHE) × 1 ;TRNA 5' LEADER ; × 1 MAGNESIUM ION × 5 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1nz0 1nz0 1nz0 1nz0 6cqc 6cqc 6cqc 6cqc 6max

9 assemblies

Homodimer
1nz0 1nz0 1nz0 1nz0 1nz0

5 assemblies

Homotetramer
1nz0 1nz0

2 assemblies

Other homooligomers
1nz0 1nz0

2 assemblies

Heteromeric or nucleic-acid complex
3q1q 3q1r

2 assemblies

View Construct and Data Evidence
UniProt name RNPA_THEMA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 4–118； UniProt 3–117

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_id3q1r
Deposition date deposition_date2010-12-17
Structure title titleCrystal structure of a bacterial RNase P holoenzyme in complex with TRNA and in the presence of 5' leader
Keywords keywords;RNASE P, RIBOZYME, RIBONUCLEASE P, TRNA, PRE-TRNA, TETRALOOP-RECEPTOR, RIBOSE ZIPPER, A-MINOR INTERACTION, BASE STACKING, INTERMOLECULAR BASE PAIRS, INTERMOLECULAR RNA-RNA CONTACTS, RNP, RIBONUCLEOPROTEIN COMPLEX, ENZYME-PRODUCT COMPLEX, METALLOENZYME, RNA-METAL INTERACTIONS, SHAPE COMPLEMENTARITY, SUBSTRATE RECOGNITION, ENDONUCLEASE, HYDROLASE-RNA COMPLEX ;; HYDROLASE/RNA
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.

3q1r__assembly_1__model_1

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

Download this curve (.dat)

3q1r__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.

3q1r__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）41.50 Å
Rg (electron density)41.56 Å
Total Rg41.70 Å
Atom count10186
Residues550
Excluded volume147740 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3q1r__assembly_1__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 (5)

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7. Citations (1)