9SGW | pdb_00009sgw

Rn2, ancient tentative ribonuclease fold

PDB DOI: https://doi.org/10.2210/pdb9SGW/pdb
BMRB: 35014

Classification: OXIDOREDUCTASE
Organism(s): unidentified
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2025-08-22 Released: 2026-07-01
Deposition Author(s): Srb, P., Veverka, V.
Funding Organization(s): Grant Agency of the Czech Republic

Experimental Data Snapshot

Method: SOLUTION NMR
Conformers Calculated: 100
Conformers Submitted: 30
Selection Criteria: target function

wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

Ancient amino acid sets enable stable protein folds

Giacobelli, V.G., Andresson, S., Srb, P., Neuwirthova, T., Ruszova, Z., Marhoul, J., Psenicka, S., Knetl, A., Bednarova, L., Veverka, V., Andre, I., Hlouchova, Z.

To be published.

Macromolecule Content

Total Structure Weight: 10.39 kDa
Atom Count: 667
Modeled Residue Count: 99
Deposited Residue Count: 105
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Rn2	A	105	unidentified	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: SOLUTION NMR
Conformers Calculated: 100
Conformers Submitted: 30
Selection Criteria: target function

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-01

Deposition Author(s):

Funding Organization	Location	Grant Number
Grant Agency of the Czech Republic	Czech Republic	--

Revision History (Full details and data files)

Version 1.0: 2026-07-01
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.