9FHA | pdb_00009fha

Human transthyretin (TTR) in complex with (E)-2-((((2-(trifluoromethyl)benzyl)oxy)imino)methyl)benzoic acid

PDB DOI: https://doi.org/10.2210/pdb9FHA/pdb

Classification: PROTEIN TRANSPORT
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-05-27 Released: 2025-06-11
Deposition Author(s): Ciccone, L., Shepard, W., Sirigu, S., Camodeca, C., Mazzoccchi, F., Fruchart, C., Nencetti, S., Orlandini, E.
Funding Organization(s): Italian Ministry of Education

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free:
0.234 (Depositor), 0.235 (DCC)
R-Value Work:
0.194 (Depositor), 0.201 (DCC)
R-Value Observed:
0.196 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Human transthyretin (TTR) in complex with (E)-2-((((2-(trifluoromethyl)benzyl)oxy)imino)methyl)benzoic acid

Ciccone, L., Shepard, W., Sirigu, S., Camodeca, C., Mazzoccchi, F., Fruchart, C., Nencetti, S., Orlandini, E.

To be published.

Macromolecule Content

Total Structure Weight: 28.2 kDa
Atom Count: 2,178
Modeled Residue Count: 231
Deposited Residue Count: 254
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transthyretin	A, B	127	Homo sapiens	Mutation(s): 0 Gene Names: TTR, PALB
UniProt & NIH Common Fund Data Resources
Find proteins for P02766 (Homo sapiens) Explore P02766 Go to UniProtKB: P02766
PHAROS: P02766 GTEx: ENSG00000118271
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P02766
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1IC9 (Subject of Investigation/LOI) Query on A1IC9 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]	2-[(~{E})-[2-(trifluoromethyl)phenyl]methoxyiminomethyl]benzoic acid C₁₆ H₁₂ F₃ N O₃ ADUIAKGKEUWNAN-AWQFTUOYSA-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: 1.70 Å
R-Value Free: 0.234 (Depositor), 0.235 (DCC)
R-Value Work: 0.194 (Depositor), 0.201 (DCC)
R-Value Observed: 0.196 (Depositor)

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.32	α = 90
b = 84.74	β = 90
c = 63.77	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2025-06-11

Deposition Author(s):

Funding Organization	Location	Grant Number
Italian Ministry of Education	Italy	2022KJB3B7

Revision History (Full details and data files)

Version 1.0: 2025-06-11
Type: Initial release

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.