9S2Q | pdb_00009s2q

NH-triazol-modified insulin

PDB DOI: https://doi.org/10.2210/pdb9S2Q/pdb

Classification: HORMONE
Organism(s): Homo sapiens
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2025-07-22 Released: 2026-08-12
Deposition Author(s): Hadzi, S., Gazvoda, M.
Funding Organization(s): Slovenian Research Agency

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.37 Å
R-Value Free:
0.215 (Depositor), 0.227 (DCC)
R-Value Work:
0.181 (Depositor), 0.192 (DCC)
R-Value Observed:
0.183 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Protein NH-triazole functionalization for improvement of protein properties results in thermally stable insulin with preserved biological activity

Hadzi, S., Gazvoda, M.

To be published.

Macromolecule Content

Total Structure Weight: 6.1 kDa
Atom Count: 486
Modeled Residue Count: 51
Deposited Residue Count: 51
Unique protein chains: 2

Macromolecules

Find similar proteins by: Sequence | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	A	21	Homo sapiens	Mutation(s): 0 Gene Names: INS
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308 Go to UniProtKB: P01308
PHAROS: P01308 GTEx: ENSG00000254647
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P01308
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin B chain	B	30	Homo sapiens	Mutation(s): 0 Gene Names: INS
UniProt
Find proteins for P01318 (Ovis aries) Explore P01318 Go to UniProtKB: P01318
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P01318
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1JLG( Subject of Investigation/LOI) Query on A1JLG Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth B]	C [auth A], D [auth B]	3-(1~{H}-1,2,3-triazol-4-ylmethoxy)propanal C₆ H₉ N₃ O₂ CVXQMMNMBYNTFH-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.37 Å
R-Value Free: 0.215 (Depositor), 0.227 (DCC)
R-Value Work: 0.181 (Depositor), 0.192 (DCC)
R-Value Observed: 0.183 (Depositor)

Space Group: I 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.76	α = 90
b = 77.76	β = 90
c = 77.76	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
autoPROC	data scaling
PHASER	phasing

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-08-12

Deposition Author(s):

Funding Organization	Location	Grant Number
Slovenian Research Agency	Slovenia	P1-0201
Slovenian Research Agency	Slovenia	J1-50026
Slovenian Research Agency	Slovenia	--

Revision History (Full details and data files)

Version 1.0: 2026-08-12
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.