9SR1 | pdb_00009sr1

helical Aurein 3.3, mP form

PDB DOI: https://doi.org/10.2210/pdb9SR1/pdb

Classification: ANTIMICROBIAL PROTEIN
Organism(s): Ranoidea raniformis
Mutation(s): No

Deposited: 2025-09-23 Released: 2026-10-07
Deposition Author(s): Bloch, Y., Rayan, B., Ragonis-Bachar, P., Landau, M.
Funding Organization(s): European Research Council (ERC), H2020 Marie Curie Actions of the European Commission, Israel Science Foundation, Volkswagen Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free:
0.173 (Depositor), 0.167 (DCC)
R-Value Work:
0.137 (Depositor), 0.139 (DCC)
R-Value Observed:
0.143 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9SR1

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

Literature

A Fate Amenable To Change: Chameleon Characteristics of Antimicrobial Peptides from Wasp Venom and Frog Skin

Golubev, A., Bloch, Y., Strati, F., Pigozzi Cali, M., Gustavsson, E., Landau, M.

To be published.

Macromolecule Content

Total Structure Weight: 3.6 kDa
Atom Count: 318
Modeled Residue Count: 34
Deposited Residue Count: 34
Unique protein chains: 1

Macromolecules

Find similar proteins by: Sequence | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aurein-3.3	A, B	17	Ranoidea raniformis	Mutation(s): 0
UniProt
Find proteins for P82396 (Ranoidea raniformis) Explore P82396 Go to UniProtKB: P82396
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P82396
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free: 0.173 (Depositor), 0.167 (DCC)
R-Value Work: 0.137 (Depositor), 0.139 (DCC)
R-Value Observed: 0.143 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 19.664	α = 90
b = 27.322	β = 89.601
c = 22.613	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
DIALS	data scaling
PHASER	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-07

Deposition Author(s):

Ragonis-Bachar, P.

Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	101087140
H2020 Marie Curie Actions of the European Commission	European Union	945405
Israel Science Foundation	Israel	2111/20
Volkswagen Foundation	Germany	76251-4659/2022 (ZN 4042)

Revision History (Full details and data files)

Version 1.0: 2026-10-07
Type: Initial release