9Q4D | pdb_00009q4d

A DARPin fused to the double trigger 1TEL variant crystallization chaperone via a direct helical fusion

PDB DOI: https://doi.org/10.2210/pdb9Q4D/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Homo sapiens, synthetic construct
Expression System: Escherichia coli B
Mutation(s): Yes

Deposited: 2025-08-20 Released: 2025-10-01
Deposition Author(s): Averret, J.C., Bradford, M.J., Wilson, E.W., Averret, B.J., Anderson, E., Doukov, T., Moody, J.D.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.30 Å
R-Value Free:
0.185 (Depositor), 0.187 (DCC)
R-Value Work:
0.156 (Depositor), 0.162 (DCC)
R-Value Observed:
0.158 (Depositor)

Starting Models: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Opening Doors in Protein Crystallization: TELSAM Fusions with Two pH Triggers

Averret, J.C., Bradford, M.J., Wilson, E.W., Tseng, Y.J., Averett, B.J., Anderson, E., Anderson, A., Hansen, D., Samarawickrama, P., Pedroza Romo, M.J., Doukov, T., Moody, J.D.

To be published.

Macromolecule Content

Total Structure Weight: 27.71 kDa
Atom Count: 1,944
Modeled Residue Count: 226
Deposited Residue Count: 243
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription factor ETV6,DARPin	A	243	Homo sapiens, synthetic construct This entity is chimeric	Mutation(s): 2 Gene Names: ETV6, TEL, TEL1
UniProt & NIH Common Fund Data Resources
Find proteins for P41212 (Homo sapiens) Explore P41212 Go to UniProtKB: P41212
PHAROS: P41212 GTEx: ENSG00000139083
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P41212
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain G [auth A] SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain D [auth A] SDF format, chain C [auth A] SDF format, chain B [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] MOL2 format, chain C [auth A] MOL2 format, chain B [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A] mmCIF format, chain C [auth A] mmCIF format, chain B [auth A]	B [auth A] C [auth A] D [auth A] E [auth A] F [auth A] B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A]
K Query on K Download:Ideal Coordinates CCD File SDF format, chain M [auth A] MOL2 format, chain M [auth A] mmCIF format, chain M [auth A]	M [auth A]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain M [auth A] Interactions & Density Focus chain M [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain L [auth A] SDF format, chain K [auth A] SDF format, chain J [auth A] SDF format, chain I [auth A] MOL2 format, chain L [auth A] MOL2 format, chain K [auth A] MOL2 format, chain J [auth A] MOL2 format, chain I [auth A] mmCIF format, chain L [auth A] mmCIF format, chain K [auth A] mmCIF format, chain J [auth A] mmCIF format, chain I [auth A]	I [auth A], J [auth A], K [auth A], L [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Interactions & Density Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.30 Å
R-Value Free: 0.185 (Depositor), 0.187 (DCC)
R-Value Work: 0.156 (Depositor), 0.162 (DCC)
R-Value Observed: 0.158 (Depositor)

Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.021	α = 90
b = 83.021	β = 90
c = 56.84	γ = 120

Software Package:

Software Name	Purpose
PDB-REDO	refinement
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing
Coot	model building

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-10-01

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	1R15GM146209
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	1R35GM155011